mitsumi li-ion battery charge control ic monolithic ic ... li-ion battery charge control ic mm3658ar...
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• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
Li-ion Battery Charge Control ICMonolithic IC MM3658AR
Outline
This IC is a linear charge control IC for 1-cell lithium iron phosphate (LiFePO4) battery.The chip temperature detection function can limit the temperature rise in the IC during high power charging and the battery temperature detection function enables the Charging by temperature to be controlled.The package is a small size SSON-10pin.
Features
1. BAT Regulation Voltage 3.6V±30mV(±0.8%)2. Fast Charge Current 558mA±5%(RICHG=2.32k )3. The external resistor enables trickle/fast-charge current/charge completion current to be set (Maximum charge current : 1.5A).4. A charge timer is embedded in this IC. The external resistor enables the charge timer to be set arbitrarily. 5. The chip temperature detection function can limit the temperature rise in the IC during high power charging. It can be charged at an optimal rate.6. The battery temperature detection function with thermistor input enable Charging by temperature to be controlled.7. LED Driver (1ch)
Package
SSON-10A
Applications
1. Shavers2. Portable Devices
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
Block Diagram
Pin Assignment
Input/outputdifference detection(VCC-BAT<0.045V)
Battery discharge(10uA, 200uA,
300uA)
1uF
VrefAC Adaptor
(5V)
Reset detection(2.5V)
Adaptor detection(3.3V)
VCC
VCC
VCC
VDD REG
REG
VCC
hys
VDD(1.92V)
Vref
Vref
hys
10k
Thermistor10k
(@25°C)High
temperaturedetection
VDD
TH
Fosc[Hz]=0.912V/(1.425E-10*Rosc)
Rosc100k
REG Reset
Timer short
Chip surface temperature
Temperature control
Vccref
Constant current contorl(0.3,1C)
Constant voltage contorl(3.6V)
Charge currentdetection
Charge completiondetection
(0.1C)
Overvoltagedetection
(3.8V)
Richg2.32k
Li-lon
IBAT[A]=Vccref(1.92V)/Richg x 674
Charge startdetection
(1.1V)
x 1 / N
ChargeON/OFF
Vcvref(REG)
Cha
rge
Cur
rent
1C
0.2C
0Ttreg1(93°C)
Tsd(153°C)
Ttreg2(103°C)
Timer short
ROSC
GND
LED
RICHG
VSENSE
BAT
Timer
Charge Control
OSC(64kHz)
TMRcnt
VCC
Rosc
LED
GND
VDD
BAT
VSENSE
RICHG
TMRcnt
TH
(TOP VIEW)
1
2
10
9
8
7
6
3
4
5
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
Pin Description
Recommended Operating Conditions (Except where noted otherwise Ta=25°C)
Pin No. Pin name Functions
1 VCC Power supply, charge Tr input pin. Connect to an AC adaptor.
2 Rosc
Oscillation frequency setting resistance connection pin fosc=0.912V/(1.425E-10*Rosc) *Estimation : The fosc value for each Rosc value is referred to following characteristics.(Fosc vs. Rosc external resistor)
3 LED LED connect pin (Nch open drain output) Turn on during charging.
4 GND Ground pin
5 VDD
Battery temperature detecting reference voltage pin. * It is not recommended to be used other than as battery temperature detecting reference voltage (resistance connection) since it is also used for internal charge current reference voltage.
6 TH Battery temperature detection input pin. Connect to a thermistor.
7 TMRcntTimer (trickle charge timer, fast charge timer) ON/OFF control pin.H : Timer stops, L/open : Timer is valid.
8 RICHG
Charge current setting resistance connection pin ICHG=674*1.92V/RICHG *Estimation : The Charge Current value for each RICHG value is referred to following characteristics. (Charge current vs. RICHG external resistor)
9 VSENSEBattery voltage detection, constant voltage charge control pin. Connect to the positive side of a battery pack.
10 BAT Charge Tr output pin. Connect to the positive side of a battery pack.
Absolute Maximum Ratings (Except where noted otherwise Ta=25°C)
Note1 : When mounted on a 40×40×1.6tmm (epoxy glass ,double-sided, copper layer 90%) PC board.
Item Symbol Ratings UnitsStorage Temperature Tstg −55~+150 °C
Operating Temperature Topr −40~+85 °CPin Voltage Vin −0.3~+6.0 V
BAT Pin Output Current IBAT 1.5 ALED Pin Sink Current ILED 20 mA
Power Dissipation Pd 1.94 (Note1) W
Item Symbol Ratings UnitsOperating Temperature Topr 0~+45 °CVCC Operating Voltage Vop 4.0~6.0 V
BAT Output Current Vbop 1.1~3.65 V
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
Electrical Characteristics (Except where noted otherwise VCC=5.0V, Ta=0~45°C)
Note2 : The parameter is guaranteed by design.
Item Symbol Measurement conditions Min. Typ. Max. Units
Supply Current 1 ICC1 During fast charge (Irapchg=500mA setting) 3.0 4.5 mA
Supply Current 2 (Note2) ICC2 During fast charge (Irapchg=1000mA setting) 3.5 5.2 mA
Leak Current 1 Ileak
Inflow current of BAT/VSENSE pin under the following conditions :
1. BAT (=VSENSE) =3.6V, AC adaptor is unconnected2. charging is completed
1 2 μA
Reset Detection Voltage Vpor Reset when VCC<Vpor 2.3 2.5 2.7 V
ADP Detection Voltage Vadp Charging stops when VCC<Vadp 3.1 3.3 3.5 V
VSENSE Pin Discharge Current 1 Idischg1 VSENSE(=BAT)=3.2V, in charge error mode 10.0 20.0 μA
VSENSE Pin Discharge Current 2 Idischg2 VSENSE(=BAT)=3.2V 100 200 300 μA
Charge Start Detection Voltage
VstartUsed for battery connection detection as well Charging stops when VSENSE (=BAT)<Vstart
1.0 1.1 1.2 V
Charge Start Detection Voltage Hysteresis
VstarthysNot applied to battery voltage detection
immediately after reset release.50 100 150 mV
BAT Regulation Voltage Vchg 3.57 3.60 3.63 V
Charge Stop I/O Potential Difference 1
Vdef1Charge stops when VCC-BAT<Vdef1
VCC=H L 5 30 65 mV
Charge Stop I/O Potential Difference 2
Vdef2Charge stops when VCC-BAT<Vdef2
VCC=L H 5 45 65 mV
Battery Overvoltage Detection Voltage Vov VCC =>Vov+100mV 3.7 3.8 3.9 V
Forced Charge Current Istart RICHG=2.32k , 0.3C (1.0C=Irapchg) 116 167 219 mA
Fast-charge Current IrapchgRICHG=2.32k , 1.0C
BAT=3.2V 530 558 586 mA
Fast-charge Current (Note2) Irapchg(*)RICHG=2.32k , 1.0C
BAT=Vstart~Vchg530 558 586 mA
Fast-charge Current2 Irapchg2RICHG=1.30k , 1.0C
BAT=3.2V1000 mA
Charge Completion Current Ifc RICHG=2.32k , BAT>Vstart 40 56 72 mA
Charge Completion Current (Note2) Ifc(*) RICHG=2.32k , BAT>Vstart 40 56 72 mA
Chip Temperature Detection1 (Note2) Ttreg1 Applied to Tj (chip temperature) 83 93 103 °C
Chip Temperature Detection2 (Note2) Ttreg2 Applied to Tj (chip temperature) 103 °C
Chip Temperature Detection Difference (Note2)
TdtregApplied to Tj (chip temperature)
Ttreg2-Ttreg15 10 15 °C
Thermal Shutdown Temperature (Note2) Tsd Applied to Tj (chip temperature) 143 153 163 °C
Temperature Detecting Reference Voltage VDD VDD pin Output Voltage 1.92 V
Temperature Detecting Reference Terminal Current (Note2)
IDD VDD pin Output Current 3 mA
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
Item Symbol Measurement conditions Min. Typ. Max. Units
Charge Stop Battery Temperature Detection Voltage (High temperature)
VthSHCharge stop threshold when
TH pin falls (76°C)VDD*0.1123
VDD*0.1193
VDD*0.1266
V
Charge Recovery Battery Temperature Detection Voltage (High temperature)
VthRHCharge recovery threshold when
TH pin rises (76°C)VDD*0.1427
V
TMRcnt pin Low-Level Input Voltage Vtmrl 0.5 V
TMRcnt pin High-Level Input Voltage Vtmrh 2 V
TMRcnt pin Low-Level Input Current Itmrl TMRcnt=0V 1 μA
TMRcnt pin High-Level Input Current Itmrh TMRcnt=5.0V 10 μA
LED Output pin Low-Level Voltage VledL Iled=10mA 0.4 V
LED Output pin Leak Current Iledleak LED=5V -1 +1 μA
Series Pass Tr On Resistance Ron Io=200mA 0.38 0.60
Oscillator Frequency (Note2) Fosc Rosc=100k 57.6 64 70.4 kHz
LED Blinking Cycle (Note2) FledApplied to a LED pin when Rosc=100k and
in charge error mode0.92 1.02 1.13 s
LED Blinking Duty (Note2) Dled Applied to a LED pin when Rosc=100k 30 50 70 %
VSENSE Pin Discharge Time (Note2) Tdischg Fosc=64kHz 58 64 70 ms
AC ADP Connection Detection Time (Note2, 3)
TadpFoc=64kHz, Vpor<VCC<Vadp
Applied when VCC=>Vadp detection24 32 ms
Tadp2 Applied when VCC=<Vpor detection 32 64 96 μs
Forced Charge Time (Note2) Tistart Fosc=64kHz 480 512 544 ms
Forced Charge OFF Time (Note2) Toff Fosc=64kHz 115 128 141 ms
Fast Charge Start Voltage Detection Time (Note2, 4) Tqstart Fosc=64kHz 96 128 ms
Battery Voltage Detection Time (Note2, 4) Tcon Fosc=64kHz 96 128 ms
Charge Completion Current Detection Time (Note2, 5) Tifc Fosc=64kHz 192 256 ms
Fast-charge Timer (Note2) Tchg Valid when Fosc=64kHz, TMRcnt=L, or Open 270 300 330 min
Battery Overvoltage Detection (Note2, 4) Tov Fosc=64kHz 96 128 ms
Charge Stop Battery Temperature Detection Time (Note2, 4)
TproFosc=64kHz
Vth1, VTH=L H or Vth4, VTH=H L96 128 ms
Charge Recovery Battery Temperature Detection Time (Note2, 4)
TproRFosc=64kHz
Vth1R, VTH=H L or Vth4R, VTH=L H
Note2 : The parameter is guaranteed by design.Note3 : The detection time varies depending on the timing of detection for approximately one clock due to the mode transition system operated when matched 4 times in 8ms.Note4 : The detection time varies depending on the timing of detection for approximately one clock due to the mode transition system operated when matched 4 times in 32ms.Note5 : The detection time varies depending on the timing of detection for approximately one clock due to the mode transition system operated when matched 4 times in 64ms.
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
Test Circuit
VCC1
2
3
4
5
10
9
8
7
6
1uF 1uF
VF1
I1
I3 V3
V5
V1 V10 I10
V9
V8
I9
I7
SW31
IF3
IF10
VF10
1.1V(Vstart)以上
VF9
VF8
VF6
VF7
IF5
VF3VCC
SW32
SW8
SW6
SW92
SW10
SW91
SW5
R2(100kΩ)
R8(1.93kΩ)
100kΩ
10kΩ
10kΩ
Rosc
LED
GND
VDD
BAT
VSENSE
RICHG
TMRcnt
TH
TEST CIRCUIT SW31 SW32 SW5 SW6 SW8 SW91 SW92 SW10
A
B ×C
D
E
F
G
H ×
• SW setting condition
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
Parameter Symbol Test Circuit Test Conditions
Supply Current 1 ICC1 AMeasure the current of I1-I10 when R8=(Irapchg=500mA setting) and IF10=500mA.
Supply Current 2 (Note6)
ICC2 AMeasure the current of I1-I10 when R8=(Irapchg=1000mA setting) and IF10=1000mA.
Leak Current 1 Ileak A1. Measure the current of I10 when VF1=0V and VF10=3.6V. (charge completion mode).2. Measure the current of I10 when VF10=3.65V
Leak Current 1 (Note6) Ileak A 1. Measure the current of I10 when VF1=0V and VF10=1.0~3.6V.
Reset Detection Voltage
Vpor BWhen gradually increasing VF1 from 2.3V to 2.7V under the condition of VF9 = 3.2V and VF10 = 3.2V, the VF1 when I9 exceeds 100μA should be Vpor.
ADP Detection Voltage Vadp CWhen gradually increasing VF1 from 2.3V to 3.5V under the condition of VF10 = 3.2V, the VF1 when V3 changes from H L should be Vadp.
VSENSE Pin Discharge Current 1
Idischg1 BMeasure the current of I9 when VF 9 = 4.0V 3.2V after being kept under the condition of VF10 = 3.2V and VF 9 = 4.0V and entering into error mode.
VSENSE Pin Discharge Current 2
Idischg2 BMeasure the current of I9 immediate after increasing VF1 from 2.3V to 5.0V when VF9 = 3.2V and VF10 = 3.2V.
Charge Start Detection Voltage
Vstart CWhen gradually increasing VF10 from 1.0V to 1.2V under the condition of VF10 = 0.5V, the VF10 when the charging starts (|I10| > 1mA) and V3 = H L should be Vstart.
Charge Start Detection Voltage Hysteresis
Vstarthys CVstarthys=Vstart-Vstart2 When gradually decreasing VF10 from 1.2V to 0.8V under the condition of VF10 = 1.5V, the VF10 when the charging stops (|I10| < 1mA) and V3 = L H should be Vstart2. Vstarthys = Vstart-Vstart2
Regulation Voltage BAT
Vchg AMeasure the voltage of V9 in fast charge mode and when IF10 = -72mA (|IF10| > Ifc).
Charge Stop I/O Potential Difference 1
Vdef1 HWhen VF1=3.6V and VF9 = VF10 = 3.5V,fast charge mode, applied to VF8 = 2.5V and gradually decreased to VF1 = 3.6V 3.5V, and V1-V10 when changing to I9<100uA should be Vdef1.
Charge Stop I/O Potential Difference 2
Vdef2 HAfter Vdref1, when VF1 = 3.6V and VF9 = VF10=3.5V,fast charge mode, gradually increased to VF1 = 3.6V 3.5V, and V1-V10 when changing to I9>100μA should be Vdef2. (VF8 = 2.5V is maintained.)
Battery Overvoltage Detection Voltage
Vov CWhen gradually increasing VF10 from 3.67V to 3.9V under the condition of VF10 = 3.65V, the VF10 when V3 becomes blinking (repeating H L, charge error mode) should be Vov.
Forced Charge Current Istart AMeasure the current of I10 immediately after increasing VF1 from 2.3V to 5.0V when VF10 = 3.2V and R8 = 2.32k .
Fast-charge Current Irapchg A Measure the current of I10 when VF10 = 3.2V and R8 = 2.32k .
Fast-charge Current (Note6)
Irapchg (*) AMeasure the current of I10 when VF10 = Vstart~Vchg, R8 = 2.32k .
Fast-charge Current2 Irapchg2 A Measure the current of I10 when VF10 = 3.2V and R8 = 1.30k .
Test Condition (Except where noted otherwise VCC=5.0V, Ta=0~45°C)
Note6 : The parameter is guaranteed by design.
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
Parameter Symbol Test Circuit Test Conditions
Charge Completion Current
Ifc BWhen gradually increasing VF9 from 3.5V to 3.6V under the condition of VF9 = 3.2V and VF10 = Vstart, the |I10| immediately before V3 = L H and the charging stops (|I10| > 1mA) should be Ifc.
Charge Completion Current (Note6)
Ifc(*) BWhen gradually increasing VF9 from 3.5V to 3.6V under the condition of VF9 = 3.2V and VF10 > Vstart, the |I10| immediately before V3 = L H and the charging stops (|I10| < 1mA) should be Ifc.
Chip Temperature Detection 1 (Note6)
Ttreg1 AWhen gradually increasing chip temperature from 83°C to 103°C under the condition of fast charge mode, VF1 = 5V, and VF10 = 3.2V, the chip temperature when I10 drops to the value that is 1C (I10 when chip temperature is 25°C) × 95% should be Ttreg1.
Chip Temperature Detection 2 (Note6)
Ttreg2 AWhen gradually increasing chip temperature from 85°C to 120°Cunder the condition of fast charge mode, VF1 = 5V, and VF10 = 3.2V, the chip temperature when I10 drops to the value that is 0.2C (I10 when chip temperature is 125°C) × 105% should be Ttreg2.
Chip Temperature Detection Difference (Note6)
Tdtreg A Tdtreg = Ttreg2-Ttreg1
Thermal Shutdown Temperature (Note6)
Tsd CWhen gradually increasing chip temperature from 143°C to 163°C under the condition of fast charge mode, VF1 = 5V, and VF10 = 3.2V, the chip temperature when V3 becomes blinking (repeating H L, charge error mode) and the charging stops (|I10| < 1mA)should be Tsd.
Reference Voltage VDD D Measure the voltage of 5V when VF6 = 1.0V and VF10 = 3.2V.
Temperature Detecting Reference Terminal Current (Note6)
IDD DWhen gradually decreasing IF5 under the condition of VF6 = 1.0V and VF10 = 3.2V, the |IF5| when V5 = VDD × 90% should be IDD.
Charge Stop Battery Temperature Detection
Voltage (High temperature)VthSH D
When gradually decreasing VF6 from 1.0V to 0V under the condition of fast charge mode, VF6 = 1.0V, and VF10 = 3.2V, the VF6 when V3 = L H and the charging stops (|I10| < 1mA) should be Vth5.
Charge Recovery Battery Temperature Detection
Voltage (High temperature)VthRH D
When gradually increasing VF6 from 0V to 1.0V under the condition of charge stop temperature detection mode, VF6 = 0V, and VF10 = 3.2V, the VF6 when V3 = H L and the charging restarts (|I10| > 1mA) should be Vth5R.
TMRcnt Pin Low-Level Input Voltage
VtmrlC
When gradually decreasing from 5.0V to 0V under the condition of fast charge mode, time reduction mode (See PIN DESCRIPTION on page 4), VF7 = 5.0V, and VF10 = 3.2V, the voltage below VF7 should be Vtmrl andthe voltage exceeding VF7 should be VtmrH when V3 becomes blinking (repeating H L, charge error mode) and the charging stops (|I10| < 1mA).
TMRcnt Pin High-Level Input Voltage
Vtmrh
TMRcnt Pin Low-Level Input Current
Itmrl AMeasure the current of I7 under the condition of fast charge mode, VF7 = 0V, and VF10 = 3.2V.
TMRcnt Pin High-Level Input Current
Itmrh AMeasure the current of I7 under the condition of fast charge mode, VF7 = 5V, and VF10 = 3.2V.
Note6 : The parameter is guaranteed by design.
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
Parameter Symbol Test Circuit Test Conditions
Output Pin Low-Level Voltage VledL A Measure the voltage of V3 under the condition of fast charge
mode, IF3 = 10mA, and VF10 = 3.2V.LED Output Pin Leak
Current Iledleak E Measure the current of I3 when VF3 = 5V and VF10 = 3.65V (charge completion mode).
Series Pass Tr On Resistance Ron A
Measure the voltage of V1-V10 under the condition of fast charge mode, VF1 = 4.0V, and IF10 = -200mA. Ron = (V1-V10) /200mA
LED Blinking Cycle (Note6) Fled C Measure the blinking cycle (repeating H L) of V3 after being kept
under the condition of VF10 = 4.0V and entering charge error mode.LED Blinking Duty
(Note6) Dled C Measure the duty ratio of blinking cycle (repeating H L) Fled of V3 after being kept in the condition of VF10 = 4.0V and entering charge error mode.
VSENSE Pin Discharge Time (Note6) Tdischg B
When increasing VF1 from 2.3V to 5.0V under the condition of VF9 = 3.2V and VF10 = 3.2V, measure the time from when VF1 > 2.5V (Vpor) to when the current of I9 drops below 100μA.
AC ADP Connection Detection Time
(Note6)
Tadp C
1. After being kept for 128ms and more (more than Tpro) under the condition of VF10 = 3.0V and VF1 = 2.3V 3.1V, measure the time from when VF1 > 3.4V (Vadp) to when V3 = H L when increasing VF1 from 3.1V to 5.0V.
2. When decreasing VF10 from 5.0V to 3.1V under the condition of fast charge mode and VF10 = 3.0V, measure the time from when VF1 < 3.4V (Vadp) to when the fast charge stops (|I10 |< 1mA).
Tadp2 CWhen decreasing VF1 from 5.0V to 2.0V in fast charge mode and when VF10 = 3.0V, measure the time from when VF1 < 2.5V (Vpor) to when V3 = L H.
Forced Charge Time (Note6) Tistart C
When increasing VF1 from 2.3V to 5.0V under the condition of VF10 = 3.2V, measure the time from forced charge start (|I10| > 1mA) to forced charge stop(|I10| < 1mA).
Forced Charge OFF Time (Note6) Toff C
After increasing VF1 from 2.3V to 5.0V under the condition of VF10 = 3.2V, the half time from forced charge stop (|I10| < 1mA) to fast charge start(|I10| > 1mA) should be Toff.
Fast Charge Start Voltage Detection Time (Note6) Tqstart C
When R8 = 2.32k , after increasing VF1 from 2.3V to 5.0V under the condition of VF10 = 3.2V, the half time from forced charge stop (|I10| < 1mA) to fast charge start(|I10| > 1mA) should be Tqstart.
Battery Voltage Detection Time (Note6) Tcon C
When decreasing VF10 from 3.65V to 3.2V after charge complete mode under the condition of VF10 = 3.65V, the half time from when the current of I9 exceeds 100μA to when V3 = L H and the charging restarts (|I10| > 1mA) should be Tcon.
Charge Completion Current Detection Time
(Note6)Tifc F
When decreasing IF10 from -80mA to -30mA under the condition of fast charge mode and R8 = 2.32k , measure the time from when IF10 > -56mA(Ifc) to when the charging stops (I10 > -1mA).
Fast-charge Timer(Note6) Tchg C
When decreasing VF7 from 5.0V to 0V under the condition of fast charge mode, VF7=5.0V, VF10=3.2V, and time reduction mode (See PIN DESCRIPTION), measure Tchg that is the time from when VF10 < 0.5V (Vtmr) to when V3 starts blinking (V3=H L, charge error mode) and the charging stops (|I10| < 1mA).
Battery Overvoltage Detection Time
(Note6)Tov C
When increasing VF10 from 3.2V to 4.0V under the condition of fast charge mode and VF10 = 3.2V, measure the time from when VF10 > 3.8V (Vov) to when V3 starts blinking (V3 = H L, charge error mode).
Charge Stop Battery Temperature Detection
Time (Note6)Tpro C
When decreasing VF6 from 1.0V to 0V under the condition of fast charge mode, VF6 = 1.0V, and VF10 = 3.2V, measure the time from when VF6 <VthSH to when V3 = L H and the charging stops (|I10| < 1mA).
Charge Recovery Battery Temperature Detection
Time (Note6)Tpro C
When increasing VF6 from 0V to 1.0V under the condition of charge stop detection mode, VF6 = 0V, and VF10 = 3.2V, measure the time from when VF6>VthSL) to when V3 = H L and the charging restarts (|I10| > 1mA).
Note6 : The parameter is guaranteed by design.
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
Timing Chart * All typ numeric value.
5V3.8V2.5V
0V
3.6V
1.0V
1.0C
0.3C
300uA
200uA(Idischg2)
1uA(Ileak)
0
Adaptor detection VCC>Vadp(3.8V)Reset detection VCC>Vpor(2.5V)
charge start
AdapterVoltage
VCC
BatteryVoltage
BAT
ChargeCurrent
VSENSEDischarge
Current
Fast chargetimer
(300min)
Fprced charge CC charge(fast-charge)
Chip temperature detection(Tjmax<93~103℃)
CV charge charge completion
Tistart512ms
Tifc256ms
Toff128ms
Toff128ms
Tcon128ms
Tqstar128ms
Tpro128ms
Tadp32ms
Tdischg64ms
Tdischg64ms
Tdischg64ms
Vo=3.60V
charge completion
ONON
OFF
ON
OFF
OFFLED
Normal charge
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
VSENSEDischargeCurrent
VCC
LED
3.6V
0V
0A
0uA
1.0C
0.3C
2.5V
3.3V
300uA200uA
(Idischg2)1uA
(Ileak)
ON
ONOFF
OFF
64ms(Tdischg)
64ms(Tdischg)
128ms(Tpro)
512ms(Tistart)
128ms(Tqstart)
128ms(Toff)
32ms(Tadp)
0.3C
128ms(Toff)
VCC
BAT
VSENSEDischarge
Current
LED
Charge
300uA
1uA(Ileak)0uA
ON
0A
1.0C
2.5V
0V
5.0V
0.1C
ON
64ms(Tdischg)
64ms(Tdischg)
128ms(Tpro)
32ms(Tadp) 512ms
(Tistard)128ms
(Tqstart)
[Trickle charge][Forced charge]
OFFOFF
200uA(Idischg2)
Current
ChargeCurrent
VCC
BAT
TMRcnt
LED
VSENSEDischarge
Current
5V
0V
1.0C
0A
0uA
0.1C
BAT<3.6VBAT>1.1V
ONON
[Input]
Blinking 1.024s(Fled)
Timer StartTimer StartTimer Reset
[Fast charge]
Max.300min(Tchg)
300min(Tchg)
[charge stop]charge error mode
OFF
300uA
2.0V0.5V0V
10uA(Idischg1)1uA(Ileak)
VCC
VSENSEDischargeCurrent
LEDON
ON
OFFOFF
2.5V
3.3V
3.6V
0V
0A
1.0C
300uA
1uA(Ileak)
0uA
32ms(Tadp)
64us(Tadp2)
ChargeCurrent
VCC
BAT
LED
VSENSEDischarge
Current
5.0V
0.5V
0V
1.0C
0A
0uA
0.3C
ON
ONOFF
OFF OFF
300uA200uA
(Idischg2)1uA
(Ileak)
[Forced charge] [charge stop]Battery
unconnectionmode
32ms(Tadp)
128ms(Tpro)
128ms(Toff)
128ms(Tqstart)
512ms(Tistart)
64ms(Tdischg)
64ms(Tdischg)
ChargeCurrent
VCC
BAT
LED
VSENSEDischarge
Current
5.0V
0V
3.6V1.0C
0.1C0A
0uA
0.3C
ON
ONOFF
OFF OFF
300uA200uA
(Idischg2)1uA
(Ileak)
128ms(Tpro)
128ms(Toff)
128ms(Toff)
64ms(Tdischg)
64ms(Tdischg)
64ms(Tdischg)
[Forced charge] [charge stop]Charge
completionmode
32ms(Tadp) 128ms
(Tqstart)128ms
(Tqstart)256ms(Tifc)
512ms(Tistart)
Input Adaptor
1.1V<BAT<3.6V, Charge Start (Fast Charge)
BAT<1.1V, Charge Start (Battery Unconnection) BAT=3.6V, Charge Start (Charge Completion)
fast Charge Timeup
Release Adaptor
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
ChargeCurrent
VCC
BAT
LED
0uA
ON
0A
1.0C
3.8V
0V
5.0V
0.1C
OFFOFF
1.024(Fled)Blinking
VSENSEDischargeCurrent
300uA
10uA(Idischg1)1uA(Ileak)
200uA(Idischg2)
[charge stop]Charge error mode
128ms(Tpro)
32ms(Tadp)
64ms(Tdischg)
128ms(Tov)
ChargeCurrent
VCC
BAT
LED
VSENSEDischarge
Current
5.0V
0V
3.6V
0.1C
0A
0uA
ON
ON
OFF
OFF
300uA200uA
(Idischg2)
1uA(Ileak)
[Fast charge] [charge completion]
128ms(Tqstart)
256ms(Tifc)
128ms(Toff)
64ms(Tdischg)
ChargeCurrent
VCC
BAT
LED
ChipTemperature
VSENSEDischarge
Current
5.0V
BAT>0.3V
0V
1.0C
0A
0uA
0.1C
ONON
OFF
300uA
103°C93°C
10uA(Idischg1)1uA(Ileak)
[Fast charge]
Chip temperature detection(charge current is contorlledto become Tjmax<93~103℃)
LED
BAT
VCC
300uA
0uA
75℃(VDD*0.1228)
1.1V<BAT<3.6V
70℃(VDD*0.1427)
10uA(Idischg1)
1uA(Ileak)
ON
0A
1.0C
0V5V
ONON
OFF
BatteyTemperature(TH pin)
VSENSEDischarge
Current
ChargeCurrent
[Fast charge] [Fast charge]
128ms(Tpro)
128ms(Tpro)
ChargeCurrent
VCC
CVVoltage
LED
BatteryTemperature
(TH pin)
VSENSEDischarge
Current
5V
0.1C<Io<1.0C
0V3.60V
1.0C
0A
ONON ON
OFF
300uA
0uA
75°C(VDD*0.1228)70°C(VDD*0.1427)
10uA(Idischg1)1uA(Ileak)
128ms(Tpro)
128ms(Tpro)
ChargeCurrent
VCC
BAT
LED
ChipTemperature
VSENSEDischarge
Current
5V
BAT>0.3V
0V
1.0C
0A0.2C
ONON
OFF
300uA
0uA
103°C
153°C
93°C
10uA(Idischg1)1uA(Ileak)
Blinking 1.024s(Fled)
[Fast charge]
BAT>3.8V, Charge Start (Battery Overvoltage)
Chip Temperature Detection
Battery Temperature Detection (Constant Current Mode) Battery Temperature Detection (Constant Voltage Mode)
Thermal Shutdown
Full Charge Detection
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
Flow Chart
AC adaotor
ResetLED:OFF
Reset releaseVcc>Vpor(2.5V)Adaptor
Detection timeTadp2(64us)
Vsense pin dischargeIdischg2(200uA)T dischg(64ms)
Adaptor connection detectionVCC≧Vadp(3.8V)
Detection time:Tadp(32ms)
ACharge StartLED:Lighting
Forced charge ONIstart(0.3C)/V chg(4.2V)
/Tistart(512ms)
Forced charge ONT off(128ms)
VSENSE pin dischargeIdischg2(200uA)/T dischg(64ms)
Battery voltage detectionVBAT≧Vstart(1.1V)
T qstart(128ms)
Battery unconnectedCharge stop
LED:OFFTimer Reset
Error detection reset
Battery unconnectedor over discharge
Charge stopLED:OFF
Battery voltage checkVBAT≧Vstart-hys(1.0V)
Detection time:T qstart(128ms)
Tchg(300min)Time out
Fast-Charge modeIrapchg(1.0C)/Vchg(4.2V)
T chg(300min)Start
Charge OFFT off(128ms)
VSENSE pin dischargeIdischg2(200uA)/T dischg(64ms)
Charge current detectionIchg≧Ifc(0.1C)Detection time:
Tifc(128ms)
Battery voltagecheck VBAT≧Vstart(1.1V)
Detection time:T qstart(128ms)
Timer ResetError detection reset
Charge completionLED:OFF
T chg(300min)Timer Reset
Battery voltage detectionVBAT≧Vstart(1.1V)
T qstart(128ms) Charge Error Charge OFFLED:Blinking
VSENSDE pin dischargeIdischg1(10uA)
Timer resetError reset
AC adaptorPull out
connection
Yes
Yes
Yes
No
No
No
No
No
No
Yes
Yes
Yes
No
No
※1 All typ. numeric value.※2 Charge current, charge completion current and each detection time for RICHG=2.32kΩ, ROSC=100kΩ.
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
After reset releaseAlways works
Reset detectionVCC≦V por(2.5V)
Detection time:Tadp2(64us)
Over charge detectionVBAT≧Vov(4.35V)
Detection time:Tov(128us)
Chip temperature detectionTj>Tsd(153℃)
Charge ErrorCharge OFFLED:Blinking
VSENSE pin dischargeIdischg1(10uA)
After charge startAlways works
After adaptor connectionAlways works
Charge stopBattery temperature detection
&TH pin open checkVthSH(76℃)<VTHor TH pin=OpenDetection time:Tpro(128ms)
Charge stop temperature detection
Charge stipLED:OFF
Charge recovery battery temperature detection
&TH pin open checkVthSH(76℃)>VTHor TH pin ≠OpenDetection time:Tpro(128ms)
Timer interruptionStop VSENSE pin discharge
Battery voltage detectionVBAT<Vstart-hys(1.0V)
Detection time:Tqstart(128ms)
Battery unconnectedor over discharge
Charge stopLED:OFF
Reset LED:OFF
Yes Yes Yes
Yes
No No No
No
Yes
Yes
No
No
≦
※1 All typ. numeric value.※2 Charge current, charge completion current and each detection time for RICHG=2.32kΩ, ROSC=100kΩ.
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
Characteristics (Except where noted otherwise VCC=5.0V, RICHG=2.32k , ROSC=100k , Ta=25°C)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
■ Charge current vs.BAT voltage
Cha
rge
curre
nt [A
]
BAT voltage [V]
1 0 3 4 5
Charge current may be reduced by thermalregulationdependingon heat dissipationcondition of products.
■ RICHG voltage vs. Charge current
RIC
HG
vol
tage
[V]
Charge current[A]
0.0 0.0
0.4
0.8
1.2
1.6
2
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
■ Supply current vs. VCC
Supp
ly c
urre
nt[m
A]
VCC[V]
500
0.4
0.8
1.2
1.6
2
1 2 3 4
■ Charge current vs. RICHG external resistor
RICHG external resistor[kΩ]
1 0
200
400
600
800
1000
2 3 4 5 6 7
Cha
rge
curre
nt [m
A]
■ VSENSE current vs. VCC
VCC[V]
-0.2
0.0
1 2 3 4 50
0.2
0.4
0.6
0.8
1.0
1.2
1.4
VSEN
SE c
urre
nt [u
A]
■ Fosc vs. Rosc external resistor
Fosc
[kH
Z]
ROSC external resistor[kΩ]
100
20
40
60
80
100
100 1000
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
■ Line Regulation
VCC[V]
3.0 3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.5 4.0 4.5 5.0 5.5 6.0
BAT
Reg
ulat
ion
volta
ge[V
]
Ichg=558mAIchg=1AIchg=1.5A
■ Load Regulation
Charge current[A]
3.570.2 0.4 0.6 0.8 1.21 1.4
3.58
3.59
3.60
3.61
3.62
3.63
BAT
Reg
ulat
ion
volta
ge[V
]
■ Chip Temperature Control ・ Thermal Shutdown
Cha
rge
Cur
rent
[C]
Environmental Temperature [℃]
16014012010080604020
0.2
0
0.4
0.6
0.8
1
1.2
■ Series Pass Tr On Resistance vs. Charge current
Charge current[A]
00.0
0.1
0.2
0.3
0.4
0.5
0.6
0.2 0.4 0.6 0.8 1
Serie
s Pas
s Tr O
n Re
sista
nce
[Ω]
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
■ Supply current 1
Supp
ly c
urre
nt 1
[mA]
Temperature[℃]
0.0
1.0
2.0
3.0
4.0
5.0
-20-40 0 20 40 60 80
■ Supply current 2
Supp
ly c
urre
nt 2
[mA]
Temperature[℃]
-400.0
1.0
2.0
3.0
4.0
5.0
-20 0 20 40 60 80
■ Leak current 1-1
Temperature[℃]
-40-2
-1
0
1
2
-20 0 20 40 60 80
Leak
cur
rent
[uA]
■ Reset detection voltage
Temperature[℃]
-402.2
2.3
2.4
2.5
2.6
2.7
2.8
-20 0 20 40 60 80
Res
et d
etec
tion
volta
ge[V
]
■ Leak current 1-2Le
ak c
urre
nt 1
-2[u
A]
Temperature[℃]
-400.0
0.5
1.0
1.5
2.0
-20 0 20 40 60 80
■ Adaptor detection voltage
Temperature[℃]
3.0
3.1
3.2
3.3
3.4
3.5
3.6
-20-40 0 20 40 60 80
Adap
tor d
etec
tion
volta
ge[V
]
Temperature Dependency
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
VSEN
SE p
in D
isch
arge
cur
rent
1[u
A]
Temperature[℃]
-40 -20 00
5
10
15
20
25
20 40 60 80
■ VSENSE pin Discharge current 1 ■ VSENSE pin Discharge current 2
VSEN
SE p
in D
isch
arge
cur
rent
2[u
A]
Temperature[℃]
-4050
100
150
200
250
300
350
-20 0 20 40 60 80
■ Charge Start detection voltage
Cha
rge
Star
t det
ectio
n vo
ltage
[V]
Temperature[℃]
0.9
1.3
1.2
1.1
1.0
-20-40 0 20 40 60 80
70
60
50
40
30
20
10
0-40 -20
■ Charge Stop I/O Potential Difference 1
Cha
rge
Stop
I/O
Pot
entia
l D
iffer
ence
1[m
V]
0 20
Temperature [℃]
40 60 80
■ Charge Start detection voltage hysteresis
Char
ge S
tart d
etecti
on vo
ltage
hyste
resis
[mV]
Temperature[℃]
-40 -20 00
50
100
150
200
20 40 60 80
70
60
50
40
30
20
10
0-40 -20
■ Charge Stop I/O Potential Difference 2
Cha
rge
Stop
I/O
Pot
entia
l D
iffer
ence
2 [m
V]
0 20
Temperature [℃]
40 60 80
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
3.66
3.64
3.62
3.60
3.58
3.56
3.54-40 -20
■ BAT Regulation voltageBA
T R
egul
atio
n vo
ltage
[V]
0 20
Temperature [℃]
40 60 80 -40 -20 0 20
Temperature [℃]
40 60 80
■ Battery Overvoltage detection voltage
Batte
ry O
verv
olta
ge
dete
ctio
n vo
ltage
[V]
3.90
3.85
3.80
3.75
3.70
250
200
150
100
50-40 -20
■ Forced Charge Current
Forc
ed C
harg
e C
urre
nt[m
A]
0 20
Temperature [℃]
40 60 80
80
70
60
50
40
30-40 -20
■ Charge Completion current
Cha
rge
Com
plet
ion
curre
nt[m
A]
0 20
Temperature [℃]
40 60 80
600
580
560
540
520-40 -20
■ Fast-charge current
Fast
-cha
rge
curre
nt[m
A]
0 20
Temperature [℃]
40 60 80
2.00
1.95
1.90
1.85
1.80-40 -20
■ Temperature Detection Reference voltage
Tem
pera
ture
Det
ectio
nR
efer
ence
vol
tage
[V]
0 20
Temperature [℃]
40 60 80
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
0.15
0.14
0.13
0.12
0.11
0.10-40 -20
■ Charge Recovery Batt TemperatureDetection VoltageCh
arge
Rec
over
y Batt
Tem
pera
ture D
etecti
on
Volta
ge V
DD*
VthS
H[V]
0 20
Temperature [℃]
40 60 80
0.17
0.16
0.15
0.14
0.13
0.12-40 -20
■ Charge Recovery Batt Temperature Detection Voltage
Char
ge R
ecov
ery B
att T
empe
ratur
e Dete
ction
Volt
age V
DD*
VthR
H[V]
0 20
Temperature [℃]
40 60 80
2.0
1.0
0.0
-1.0
-2.0-40 -20
■ TMRcnt pin Low-level input current
TMR
cnt p
in L
ow-le
vel
inpu
t cur
rent
[uA]
0 20
Temperature [℃]
40 60 80
0.7
0.6
0.5
0.4
0.3
0.2-40 -20
■ LED Output pin Low-level voltage
LED
Out
put p
in L
ow-le
vel v
olta
ge[V
]
0 20
Temperature [℃]
40 60 80
-40 -20 0 20
Temperature [℃]
40 60 80
■ TMRcnt pin High-level input current
12.0
10.0
8.0
6.0
4.0
2.0
0.0
TMR
cnt p
in H
igh-
leve
l in
put c
urre
nt [u
A]
2.0
1.0
0.0
-1.0
-2.0-40 -20 0 20
Temperature [℃]
40 60 80
■ LED Output pin Leak current
LED
Out
put p
in L
eak
curre
nt [u
A]
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
0.6
0.5
0.4
0.3
0.2
0.1-40 -20
■ Series Pass Tr On ResistanceSe
ries
Pass
Tr O
n R
esis
tanc
e[Ω
]
0 20
Temperature [℃]
40 60 80
1.3
1.2
1.1
1.0
0.9
0.8-40 -20
■ LED Blinking cycle
LED
Blin
king
cyc
le[s
]
0 20
Temperature [℃]
40 60 80
80
75
70
65
60
55
50-40 -20
■ VSENSE Pin Discharge Time
VSEN
SE P
in D
isch
arge
Tim
e[m
s]
0 20
Temperature [℃]
40 60 80
160
150
140
130
120
110
100-40 -20
■ Forced Charge OFF Time
Forc
ed C
harg
e O
FF T
ime[
ms]
0 20
Temperature [℃]
40 60 80
620
580
540
500
460
420-40 -20
■ Forced Charge Time
Forc
ed C
harg
e Ti
me[
ms]
0 20
Temperature [℃]
40 60 80
340
320
300
280
260
240-40 -20
■ Fast-charge Timer
Fast
-cha
rge
Tim
er[m
s]
0 20
Temperature [℃]
40 60 80
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI Li-ion Battery Charge Control IC MM3658AR
AC
VDC
GND
6V以下470k
Cin1uF
Rosc100k
VCC[1]Rosc[2]
MM3658LED[3]
GND[4]
VDD[5]
BAT[10]VSENSE[9]
RICHG[8]
TH[6]TMRcnt
[7]
Input Overvoltage ProtectionLoad Switch
ADAPTOR
Cout1uF
System-path at adaptorconnection
System-path at adaptornonconnection
Battery packB+
B-
TH
RICHG2.32k
10k
Li-ionBattery
IN SYSTEMINTERFACE
SYSTEM
Thermistor
10k(@25℃)B 定数;3380K
GNDSYSTEM
INTERFACE
· We shall not be liable for any trouble or damage caused by using this circuit.
· In the event a problem which may affect industrial property or any other rights of us or a third party is encountered during the use of information described in these circuit, we shall not be liable for any such problem, nor grant a license therefore.
Application Circuit