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WEBENCH Project Report Project : 3 : PA_Project_302 (modified from 301) May 6, 2015 22:14:32 GMT-07:00

WEBENCH® Power Architect

Project ReportProject : 4305911/3 : PA_Project_302 (modified from 301)Created : 2015-05-06 22:08:34.829Optimize project optFactor=3

Project Summary1. Total System Efficiency 93.054 %2. Total System BOM Count 14.03. Total System Footprint 166.0 mm24. Total System BOM Cost $2.245. Total System Power Dissipation 427.7 mW

--> Launch WEBENCH Power Architect.

LOAD_1Teensy

TPS62177

0.06A 3.3V, 0.1A

SUPPLY_1

LOAD_2Firgelli Motor I

0.45A

LOAD_3Firgelli Motor II

0.45ATPS61252

1.05A 6V, 0.9A

SUPPLY_2

5.5V - 6V 10.0A max

1.11A

SOURCE_DC_1

WEBENCH® Power Architect Project ID : 3 PA_Project_302 (modif ied from 301) Power Architect 2015- 05- 06 22:08:34.829

Power Supplies# Name NSID Description Vout Iout Efficiency Foot-

printCost Design Page

1. SUPPLY_1 TPS62177 Switcher : Fixed 3.3Vout, HighLight-Load Efficiency BuckConverter

3.3 V 0.1 A 91.8% 53 $1.14 26 4

2. SUPPLY_2 TPS61252 Switcher : High EfficiencySynchronous Boost Converter

6 V 0.9 A 93.1% 113 $1.10 27 9

Power Loads# Name VLoad ILoad Description1. Teensy 3.3 V 0.1 A2. Firgelli Motor I 6 V 0.45 A3. Firgelli Motor II 6 V 0.45 A

http://webench.ti.com/webench5/power/webench5.cgi?app=powerarchitect&project_id=3

WEBENCH® Power Architect Project


WEBENCH Project Report 3 : PA_Project_302 (modified from 301) May 6, 2015 22:14:32 GMT-07:00

Project Diagram

LOAD_1Teensy

TPS62177

0.06A 3.3V, 0.1A

SUPPLY_1

LOAD_2Firgelli Motor I

0.45A

LOAD_3Firgelli Motor II

0.45ATPS61252

1.05A 6V, 0.9A

SUPPLY_2

5.5V - 6V 10.0A max

1.11A

SOURCE_DC_1

WEBENCH® Power Architect Project ID : 3 PA_Project_302 (modif ied from 301) Power Architect 2015- 05- 06 22:08:34.829




Electrical Procurement BOM

Manufacturer Part Number Description Quantity Budgetary Price Footprint(mm2)

Kemet C0603C101J3GACTU 0603 1 $0.01 5TDK C2012X5R1A225K/0.85 0805 1 $0.03 7Vishay-Dale CRCW0402100KFKED 0402 1 $0.01 3Vishay-Dale CRCW04021M00FKED 0402 1 $0.01 3Vishay-Dale CRCW04026K65FKED 0402 1 $0.01 3Vishay-Dale CRCW0402715KFKED 0402 1 $0.01 3MuRata GRM21BR60J226ME39L 0805 1 $0.05 7MuRata GRM319R61C106KE15D 1206 1 $0.03 11MuRata GRM31CR61C226ME15L 1206 1 $0.13 11Coilcraft LPS4018-103MRB LPS4018 1 $0.35 24Susumu Co Ltd RR1220P-184-D 0805 1 $0.01 7Bourns SRN3015-1R5Y SRN3015 1 $0.14 16Texas Instruments TPS61252DSGR DSG0008A 1 $0.75 55Texas Instruments TPS62177DQCR R-PWSON-N10 1 $0.70 12Total 14 $2.24 166




WEBENCH ® Design Report

Design : 4305911/26 TPS62177DQCRTPS62177DQCR 5.5V-6.0V to 3.30V @ 0.1A

VinMin = 5.5VVinMax = 6.0VVout = 3.3VIout = 0.1A

Device = TPS62177DQCRTopology = BuckCreated = 5/6/15 10:08:32 PMBOM Cost = $1.14Footprint = 53.0 mm2

BOM Count = 5Total Pd = 0.03W

Cin2.2 µF4.9 mOhm

Cout22.0 µF9.0 mOhm

L110.0 µH200.0 mOhm

Rpg100.0 kOhm63.0 mW

TPS62177

PGND

VIN

EN

NC FB

AGND PG

SLEEP

SW

VOS

U1

VinMin = 5.5VVinMax = 6.0V

Vout = 3.3VIout = 0.1A

VinIout

Electrical BOM# Name Manufacturer Part Number Properties Qty Price Footprint

1. Cin TDK C2012X5R1A225K/0.85Series= X5R

Cap= 2.2 uFESR= 4.9 mOhmVDC= 10.0 VIRMS= 2.08 A

1 $0.030805 7 mm2

2. Cout MuRata GRM21BR60J226ME39LSeries= X5R


1 $0.050805 7 mm2

3. L1 Coilcraft LPS4018-103MRB L= 10.0 µHDCR= 200.0 mOhm

1 $0.35

LPS4018 24 mm2

4. Rpg Vishay-Dale CRCW0402100KFKEDSeries= CRCW..e3

Res= 100.0 kOhmPower= 63.0 mWTolerance= 1.0%

1 $0.010402 3 mm2

5. U1 Texas Instruments TPS62177DQCR Switcher 1 $0.70

R-PWSON-N10 12 mm2

L Ipp

Vin= 5.5V Vin= 5.75V Vin= 6.0V

0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.1330.1340.1350.1360.1370.1380.1390.1400.1410.1420.1430.1440.1450.1460.1470.1480.1490.1500.1510.152

L Ip

p(A

)

Vout p- p


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.0015

0.0020

0.0025

0.0030

0.0035

0.0040

0.0045

0.0050

0.0055

0.0060

0.0065

0.0070

0.0075

0.0080

Vo

ut

p-

p(V

)

http://www.tdk.co.jp/tefe02/e412%5Fc.pdf

http://search.murata.co.jp/Ceramy/PnsearchViewAction.do?HnOFG%3DON%26HnNFG%3DON%26SEL%5FCNT%3D50%26sLang%3Den%26sKey%3DGRM21BR60J226ME39L%26x%3D9%26y%3D9%26search%3Dstartwith

http://www.coilcraft.com/pdfs/lps4018.pdf

http://www.vishay.com/docs/20035/dcrcwe3.pdf

http://www.ti.com/product/tps62177




Duty Cycle


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0

5

10

15

20

25

30

35

40

45

50

55

60

Du

ty C

ycle

(%)

Efficiency


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

Eff

icie

ncy

(%)

M Vds Act


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.035

0.040

0.045

0.050

0.055

0.060

0.065

0.070

0.075

0.080

0.085

0.090

0.095

0.100

0.105

0.110

0.115

M V

ds

Act

(V)

IC Tj


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

29.9

30.0

30.1

30.2

30.3

30.4

30.5

30.6

30.7

30.8

30.9

31.0

31.1

31.2

31.3

31.4

31.5

31.6

31.7

IC T

j(d

egC

)

Cin Pd


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.0000000

0.0000025

0.0000050

0.0000075

0.0000100

0.0000125

0.0000150

0.0000175

0.0000200

0.0000225

0.0000250

Cin

Pd

(W)

Cin IRMS


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.000

0.005

0.010

0.015

0.020

0.025

0.030

0.035

0.040

0.045

0.050

0.055

0.060

0.065

0.070

0.075

Cin

IR

MS(

A)




Iin Avg


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.000

0.005

0.010

0.015

0.020

0.025

0.030

0.035

0.040

0.045

0.050

0.055

0.060

0.065

Iin

Avg

(A)

Pout


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.000

0.025

0.050

0.075

0.100

0.125

0.150

0.175

0.200

0.225

0.250

0.275

0.300

0.325

Po

ut(

W)

IC Ipk


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.06

0.07

0.08

0.09

0.10

0.11

0.12

0.13

0.14

0.15

0.16

0.17

0.18

IC I

pk

(A)

Cout IRMS


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.0365

0.0370

0.0375

0.0380

0.0385

0.0390

0.0395

0.0400

0.0405

0.0410

0.0415

0.0420

0.0425

0.0430

0.0435

Co

ut

IRM

S(A

)

M Irms


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.000

0.005

0.010

0.015

0.020

0.025

0.030

0.035

0.040

0.045

0.050

0.055

0.060

0.065

0.070

0.075

0.080

M I

rms(

A)

Cout Pd


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.0000120

0.0000125

0.0000130

0.0000135

0.0000140

0.0000145

0.0000150

0.0000155

0.0000160

0.0000165

0.0000170

Co

ut

Pd

(W)




Total Pd


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.0000

0.0025

0.0050

0.0075

0.0100

0.0125

0.0150

0.0175

0.0200

0.0225

0.0250

0.0275

0.0300

To

tal

Pd

(W)

IC Pd


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.0000

0.0025

0.0050

0.0075

0.0100

0.0125

0.0150

0.0175

0.0200

0.0225

0.0250

0.0275

IC P

d(W

)

L Pd


0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10

Output Current (A)

0.00000

0.00025

0.00050

0.00075

0.00100

0.00125

0.00150

0.00175

0.00200

0.00225

0.00250

0.00275

0.00300

L P

d(W

)

Efficiency (Log- Scale)


1E- 5 1E- 4 1E- 3 1E- 2 1E- 1

Iout(A)

5

10

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

Eff

icie

ncy

(%)

Operating Values# Name Value Category Description1. Cin IRMS 49.591 mA Current Input capacitor RMS ripple current2. Cout IRMS 43.414 mA Current Output capacitor RMS ripple current3. IC Ipk 175.195 mA Current Peak switch current in IC4. Iin Avg 59.901 mA Current Average input current5. L Ipp 150.39 mA Current Peak-to-peak inductor ripple current6. M1 Irms 75.086 mA Current Q Iavg7. BOM Count 5 General Total Design BOM count8. FootPrint 53.0 mm2 General Total Foot Print Area of BOM components9. Frequency 1.012 MHz General Switching frequency

10. IC Tolerance 24.0 mV General IC Feedback Tolerance11. M Vds Act 57.209 mV General Voltage drop across the MosFET12. Pout 330.0 mW General Total output power13. Total BOM $1.14 General Total BOM Cost14. Vout OP 3.3 V Op_Point Operational Output Voltage15. Duty Cycle 56.379 % Op_point Duty cycle16. Efficiency 91.819 % Op_point Steady state efficiency17. IC Tj 31.627 degC Op_point IC junction temperature18. ICThetaJA 61.6 degC/W Op_point IC junction-to-ambient thermal resistance19. IOUT_OP 100.0 mA Op_point Iout operating point20. VIN_OP 6.0 V Op_point Vin operating point21. Vout p-p 1.944 mV Op_point Peak-to-peak output ripple voltage22. Cin Pd 12.051 µW Power Input capacitor power dissipation23. Cout Pd 16.963 µW Power Output capacitor power dissipation24. IC Pd 26.404 mW Power IC power dissipation25. L Pd 2.971 mW Power Inductor power dissipation26. Total Pd 29.403 mW Power Total Power Dissipation

Design Inputs# Name Value Description1. Iout 100.0 m Maximum Output Current




# Name Value Description2. Iout1 100.0 m Output Current #13. VinMax 6.0 Maximum input voltage4. VinMin 5.5 Minimum input voltage5. Vout 3.3 Output Voltage6. Vout1 3.3 Output Voltage #17. base_pn TPS62177 Base Product Number8. source DC Input Source Type9. Ta 30.0 Ambient temperature

Design Assistance1. TPS62177 Product Folder : http://www.ti.com/product/tps62177 : contains the data sheet and other resources.

http://www.ti.com/product/tps62177




WEBENCH ® Design Report

Design : 4305911/27 TPS61252DSGRTPS61252DSGR 5.5V-6.0V to 6.00V @ 0.9A

VinMin = 5.5VVinMax = 6.0VVout = 6.0VIout = 0.9A

Device = TPS61252DSGRTopology = BoostCreated = 5/6/15 10:08:33 PMBOM Cost = $1.10Footprint = 113.0 mm2

BOM Count = 9Total Pd = 0.4W

Cff100.0 pF

Cin10.0 µF

Cout22.0 µF6.0 mOhm

L11.5 µH66.0 mOhm

Rfbb180.0 kOhm100.0 mW

Rfbt715.0 kOhm63.0 mW

Rlim6.65 kOhm63.0 mW

Rpg1000.0 kOhm63.0 mW

TPS61252DSG

GND

VOUT

FB

ILIM PG

EN

SWVIN

PAD

U1

Vin

Iout_1

_Vout_1

_GND_1

Iout_2

_Vout_2

Electrical BOM# Name Manufacturer Part Number Properties Qty Price Footprint

1. Cff Kemet C0603C101J3GACTUSeries= C0G/NP0

Cap= 100.0 pFVDC= 25.0 VIRMS= 0.0 A

1 $0.010603 5 mm2

2. Cin MuRata GRM319R61C106KE15DSeries= X5R

Cap= 10.0 uFVDC= 16.0 VIRMS= 0.0 A

1 $0.03

1206 11 mm2

3. Cout MuRata GRM31CR61C226ME15LSeries= X5R


1 $0.13

1206 11 mm2

4. L1 Bourns SRN3015-1R5Y L= 1.5 µHDCR= 66.0 mOhm

1 $0.14

SRN3015 16 mm2

5. Rfbb Susumu Co Ltd RR1220P-184-DSeries= 264


1 $0.010805 7 mm2

6. Rfbt Vishay-Dale CRCW0402715KFKEDSeries= CRCW..e3


1 $0.010402 3 mm2

7. Rlim Vishay-Dale CRCW04026K65FKEDSeries= CRCW..e3


1 $0.010402 3 mm2

http://www.kemet.com/docfinder?Partnumber%3DC0603C101J3GACTU

http://search.murata.co.jp/Ceramy/PnsearchViewAction.do?HnOFG%3DON%26HnNFG%3DON%26SEL%5FCNT%3D50%26sLang%3Den%26sKey%3DGRM319R61C106KE15D%26x%3D9%26y%3D9%26search%3Dstartwith

http://www.murata.com/products/catalog/pdf/c02e.pdf

http://www.bourns.com/data/global/pdfs/SRN3015.pdf

http://www.susumu.co.jp/english/pdf/products-j01-04.pdf






# Name Manufacturer Part Number Properties Qty Price Footprint

8. Rpg Vishay-Dale CRCW04021M00FKEDSeries= CRCW..e3


1 $0.010402 3 mm2

9. U1 Texas Instruments TPS61252DSGR Switcher 1 $0.75

DSG0008A 55 mm2

L Ipp


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

0.1550

0.1575

0.1600

0.1625

0.1650

0.1675

0.1700

0.1725

0.1750

L Ip

p(A

)

Vout p- p


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

0.0025

0.0050

0.0075

0.0100

0.0125

0.0150

0.0175

0.0200

0.0225

0.0250

Vo

ut

p-

p(V

)

Duty Cycle


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

0

1

2

3

4

5

6

7

8

9

10

11

12

13

Du

ty C

ycle

(%)

Efficiency


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

93.0

93.5

94.0

94.5

95.0

95.5

96.0

96.5

97.0

97.5

98.0

98.5

99.0

Eff

icie

ncy

(%)

IC Tj


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

30.0

32.5

35.0

37.5

40.0

42.5

45.0

47.5

50.0

52.5

55.0

IC T

j(d

egC

)

Cin Pd


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

- 0.000000005

- 0.000000004

- 0.000000003

- 0.000000002

- 0.000000001

0.000000000

0.000000001

0.000000002

0.000000003

0.000000004

0.000000005

Cin

Pd

(W)


http://www.ti.com/product/TPS61252




Cin IRMS


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

0.036

0.037

0.038

0.039

0.040

0.041

0.042

0.043

0.044

0.045

0.046

0.047

0.048

0.049

0.050

0.051

Cin

IR

MS(

A)

Iin Avg


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

Iin

Avg

(A)

Pout


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

Po

ut(

W)

IC Ipk


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

0.200.250.300.350.400.450.500.550.600.650.700.750.800.850.900.951.001.051.101.15

IC I

pk

(A)

Cout IRMS


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

0.050

0.075

0.100

0.125

0.150

0.175

0.200

0.225

0.250

0.275

0.300

0.325

0.350

Co

ut

IRM

S(A

)

Cout Pd


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

0.00000

0.00005

0.00010

0.00015

0.00020

0.00025

0.00030

0.00035

0.00040

0.00045

0.00050

0.00055

0.00060

0.00065

0.00070

0.00075

Co

ut

Pd

(W)




Total Pd


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

0.000

0.025

0.050

0.075

0.100

0.125

0.150

0.175

0.200

0.225

0.250

0.275

0.300

0.325

0.350

0.375

0.400

To

tal

Pd

(W)

IC Pd


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

0.000

0.025

0.050

0.075

0.100

0.125

0.150

0.175

0.200

0.225

0.250

0.275

0.300

0.325

IC P

d(W

)

L Pd


0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Output Current (A)

0.000

0.005

0.010

0.015

0.020

0.025

0.030

0.035

0.040

0.045

0.050

0.055

0.060

0.065

0.070

0.075

L P

d(W

)

Efficiency (Log- Scale)


1E- 4 1E- 3 1E- 2 1E- 1 1E0

Output Current (A)

67.5

70.0

72.5

75.0

77.5

80.0

82.5

85.0

87.5

90.0

92.5

95.0

97.5

100.0

Eff

icie

ncy

(%)

Operating Values# Name Value Category Description1. Cin IRMS 44.931 mA Current Input capacitor RMS ripple current2. Cout IRMS 354.123 mA Current Output capacitor RMS ripple current3. IC Ipk 1.13 A Current Peak switch current in IC4. Iin Avg 1.054 A Current Average input current5. L Ipp 155.65 mA Current Peak-to-peak inductor ripple current6. BOM Count 9 General Total Design BOM count7. FootPrint 113.0 mm2 General Total Foot Print Area of BOM components8. Frequency 2.901 MHz General Switching frequency9. Pout 5.4 W General Total output power

10. Total BOM $1.1 General Total BOM Cost11. Duty Cycle 12.765 % Op_point Duty cycle12. Efficiency 93.13 % Op_point Steady state efficiency13. IC Tj 56.013 degC Op_point IC junction temperature14. ICThetaJA 80.2 degC/W Op_point IC junction-to-ambient thermal resistance15. IOUT_OP 900.0 mA Op_point Iout operating point16. VIN_OP 5.5 V Op_point Vin operating point17. Vout p-p 9.12 mV Op_point Peak-to-peak output ripple voltage18. Cin Pd 0.0 W Power Input capacitor power dissipation19. Cout Pd 752.417 µW Power Output capacitor power dissipation20. IC Pd 324.353 mW Power IC power dissipation21. L Pd 73.225 mW Power Inductor power dissipation22. Total Pd 398.329 mW Power Total Power Dissipation

Design Inputs# Name Value Description1. Iout 900.0 m Maximum Output Current2. Iout1 900.0 m Output Current #13. VinMax 6.0 Maximum input voltage4. VinMin 5.5 Minimum input voltage5. Vout 6.0 Output Voltage




# Name Value Description6. Vout1 6.0 Output Voltage #17. base_pn TPS61252 Base Product Number8. source DC Input Source Type9. Ta 30.0 Ambient temperature

Design Assistance1. TPS61252 Product Folder : http://www.ti.com/product/TPS61252 : contains the data sheet and other resources.

Texas Instruments' WEBENCH simulation tools attempt to recreate the performance of a substantially equivalent physical implementationof the design. Simulations are created using Texas Instruments' published specifications as well as the published specifications of otherdevice manufacturers. While Texas Instruments does update this information periodically, this information may not be current at the time thesimulation is built. Texas Instruments does not warrant the accuracy or completeness of the specifications or any information contained therein.Texas Instruments does not warrant that any designs or recommended parts will meet the specifications you entered, will be suitable for yourapplication or fit for any particular purpose, or will operate as shown in the simulation in a physical implementation. Texas Instruments does notwarrant that the designs are production worthy.

You should completely validate and test your design implementation to confirm the system functionality for your application prior toproduction.

Use of Texas Instruments' WEBENCH simulation tools is subject to Texas Instruments' Site Terms and Conditions of Use. Prototype boardsbased on WEBENCH created designs are provided AS IS without warranty of any kind for evaluation and testing purposes and are subject tothe terms of the Evaluation License Agreement.

http://www.ti.com/product/TPS61252

http://www.ti.com/corp/docs/legal/termsofuse.shtml

http://www.ti.com/corp/docs/legal/termsofuse_estore.shtml

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