SLVUDR4 January   2026 LM251772-Q1

 

  1.   1
  2.   Description
  3.   Get Started
  4.   Features
  5.   Applications
  6.   6
  7. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  8. 2Hardware Connector, Test Point, and Selection Switch Descriptions
    1. 2.1 Connector Descriptions
    2. 2.2 Jumper Descriptions
    3. 2.3 Test Point Descriptions
  9. 3Implementation Results
    1. 3.1 Test Setup
    2. 3.2 Test Procedure
    3. 3.3 Precautions
    4. 3.4 Test Data and Performance Curves
      1. 3.4.1 Thermal Performance
      2. 3.4.2 Efficiency
      3. 3.4.3 Steady State Waveforms
      4. 3.4.4 Step Load Response
      5. 3.4.5 AC Loop Response Curves
  10. 4Hardware Design Files
    1. 4.1 Schematic
    2. 4.2 Board Layout
    3. 4.3 Bill of Materials
  11. 5Additional Information
    1.     Trademarks

4.3 Bill of Materials

Designator Quantity Value PartNumber Manufacturer Description
C1, C2, C12, C28 4 0.1uF CGA3E3X7S2A104K080AB TDK CAP, CERM, 0.1uF, 100V, +/- 10%, X7S, AEC-Q200 Grade 1, 0603
C3, C5, C6, C9, C14, C20, C21, C22, C40 9 10µF CGA6P1X7R2A106K250AC TDK 10µF ±10% 100V Ceramic Capacitor X7R 1210 (3225 Metric)

C4, C7, C23

3

27µF

A768KE276M1JLAE054

KEMET

 Cap Aluminum Polymer 27uF 63V 20% Solder Cylindrical 54mOhm 1175mA 2000 hr 125°C T/R

C8, C10, C13

3

GRM188R72A104KA35D

Murata

 0.1µF ±10% 100V Ceramic Capacitor X7R 0603 (1608 Metric)

C11

1

0.1uF

GCJ188R72A104KA01D

MuRata

 CAP, CERM, 0.1uF, 100 V,+/- 10%, X7R, AEC-Q200 Grade 1, 0603

C15, C16, C29

3

0.1uF

GRM155R62A104KE14D

MuRata

 CAP, CERM, 0.1uF, 100V, +/- 10%, X5R, 0402

C17, C18, C19

3

27µF

PCR1K270MCL1GS

Nichicon

 27µF 80V Aluminum - Polymer Capacitors Radial, Can - SMD 38mOhm 4000 Hrs @ 125°C

C24

1

0.1uF

GRM155R71H104ME14D

MuRata

 CAP, CERM, 0.1uF, 50V, +/- 20%, X7R, 0402

C25

1

270pF

GRM1555C1H271JA01D

MuRata

 CAP, CERM, 270pF, 50V, +/- 5%, C0G/NP0, 0402

C26, C27

2

22µF

GRT188R61A226ME13D

Murata

 Multi-Layer Ceramic Capacitor 22uF 10V X5R ±20% 0603 Paper T/R

C30

1

680pF

08051A681JAT2A

AVX

 CAP, CERM, 680pF, 100V, +/- 5%, C0G/NP0, 0805

C31, C33

2

0.1uF

GCM155R71H104KE02D

MuRata

 CAP, CERM, 0.1uF, 50V, +/- 10%, X7R, AEC-Q200 Grade 1, 0402

C32

1

1000pF

C0805C102J1GACTU

Kemet

CAP, CERM, 1000pF, 100V, +/- 5%, C0G/NP0, 0805

C34

1

220pF

06035A221FAT2A

AVX

 CAP, CERM, 220pF, 50V, +/- 1%, C0G/NP0, 0603

C36

1

0.012uF

C0603C123K5RACTU

Kemet

 CAP, CERM, 0.012µF, 50V,+/- 10%, X7R, AEC-Q200 Grade 1, 0603

C37

1

0.02uF

CC0603KRX7R9BB203

Yageo

 CAP, CERM, 0.02µF, 50V,+/- 10%, X7R, 0603

C38

1

4700pF

06031C472JAT2A

AVX

 CAP, CERM, 4700pF, 100V, +/- 5%, X7R, 0603

C39

1

0.047uF

06035C473JAT2A

AVX

 CAP, CERM, 0.047µF, 50V,+/- 5%, X7R, 0603

C41

1

10µF

C3225X7R2A106K250AC

TDK

 10µF ±10% 100V Ceramic Capacitor X7R 1210 (3225 Metric)

C43, C44

2

680pF

C0603C681J5GACTU

Kemet

 CAP, CERM, 680pF, 50V, +/- 5%, C0G/NP0, 0603

D1

1

BAS70-04-E3-18

Vishay

 Diode Array 1 Pair Series Connection Schottky 70V 200mA (DC) Surface Mount TO-236-3, SC-59, SOT-23-3

D2, D3

2

48V

SMBJ48A-13-F

Diodes Inc.

Diode, TVS, Uni, 48V, 77.4Vc, SMB

J1, J2, J5, J6

4

108-0740-001

Cinch Connectivity

 Standard Banana Jack, Uninsulated, 15A

J3, J4

2

61300611121

Wurth Elektronik

Header, 2.54 mm, 6x1, Gold, TH

J7

1

SSW-105-02-G-D-RA

Samtec

10 Position Receptacle Connector 0.100" (2.54mm) Through Hole, Right Angle Gold

J8

1

N2510-6002-RB

3M

Header (shrouded), 100mil, 5x2, High-Temperature, Gold, TH

J9

1

XT30PW-F

Amass

Socket, DC supply, XT30, female, PIN: 2, on PCBs, THT, yellow, 15A

J10

1

XT30PW-M

Amass

Socket, DC supply, XT30, male, PIN: 2, on PCBs, THT, yellow, 15A, 500V

J11, JP6, JP8, JP10, JP11, JP12

6

61300211121

Wurth Elektronik

Header, 2.54mm, 2x1, Gold, TH

JP1, JP3, JP4, JP5, JP7, JP9

6

61300311121

Wurth Elektronik

Header, 2.54mm, 3x1, Gold, TH

JP2

1

61300511121

Wurth Elektronik

Header, 2.54mm, 5x1, Gold, TH

L1

1

4.7uH

74439370047

Wurth Elektronik

Inductor, Shielded, Metal Composite, 4.7µH, 17A, 0.00385ohm, SMD

Q1, Q2

2

IAUCN08S7L033ATMA1

Infineon

MOSFET N-Channel 80V 130A (Tj) 118W (Tc) Surface Mount PG-TDSON-8-34

Q3, Q3A, Q4

3

ISC0703NLSATMA1

Infineon

MOSFET N-Channel 60V 23A (Ta), 135A (Tc) 3W (Ta), 100W (Tc) Surface Mount PG-TDSON-8

Q5

1

60V

CSD18540Q5B

Texas Instruments

MOSFET, N-CH, 60V, 100A, DNK0008A (VSON-CLIP-8)

R1

1

5.10k

RC0603FR-075K1L

Yageo

RES, 5.10k, 1%, 0.1W, 0603

R2, R7, R9, R10, R11, R15, R16, R20, R24, R27, R35

11

0

RMCF0603ZT0R00

Stackpole Electronics Inc

RES, 0, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

R3

1

10m

KRL2012E-C-R010-F-T05

Susumu

10mOhms ±1% 1W Chip Resistor Wide 0805 (2012 Metric), 0508 Automotive AEC-Q200, Current Sense Metal Foil

R4, R6

2

5m

KRL2012E-M-R005-F-T5

Susumu

5mOhms ±1% 1W Chip Resistor Wide 0805 (2012 Metric), 0508 Automotive AEC-Q200, Current Sense Metal Foil

R13, R14, R28

3

3

CRCW06033R00JNEA

Vishay-Dale

RES, 3.0, 5%, 0.1W, AEC-Q200 Grade 0, 0603

R17, R18

2

10

CRCW060310R0FKEAHP

Vishay-Dale

RES, 10.0, 1%, 0.25W, AEC-Q200 Grade 0, 0603

R21

1

75.0k

RC0603FR-0775KL

Yageo

RES, 75.0k, 1%, 0.1 W, 0603

R22

1

12.7k

RC0603FR-0712K7L

Yageo

RES, 12.7k, 1%, 0.1 W, 0603

R23, R26

2

3

CRCW12063R00JNEA

Vishay-Dale

RES, 3.0, 5%, 0.25W, AEC-Q200 Grade 0, 1206

R25

1

10.0k

RT0603BRD0710KL

Yageo America

RES, 10.0k, 0.1%, 0.1W, 0603

R29

1

7.15k

CRCW06037K15FKEA

Vishay-Dale

RES, 7.15k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

R31

1

97.6k

RC0603FR-0797K6L

Yageo

RES, 97.6k, 1%, 0.1W, 0603

R32, R33

2

3.9

CRCW06033R90JNEA

Vishay-Dale

RES, 3.9, 5%, 0.1W, AEC-Q200 Grade 0, 0603

R34

1

20.0k

CRCW060320K0FKEA

Vishay-Dale

RES, 20.0k, 1%, 0.1W, AEC-Q200 Grade 0, 0603

R37

1

2.7k

CRCW06032K70JNEA

Vishay-Dale

RES, 2.7k, 5%, 0.1W, AEC-Q200 Grade 0, 0603

R43

1

10.0k

TNPW060310K0BEEA

Vishay-Dale

RES, 10.0k, 0.1%, 0.1W, AEC-Q200 Grade 1, 0603

RT1

1

10k

TMP6131DECR

Texas Instruments

±1% tolerance 10kΩ linear thermistor available in 0402 and 0603 package options 2-X1SON -40 to 125

U1

1

LM251772QRHARQ1

Texas Instruments

36V VIN 4 Switch Buck-Boost Controller with I2C

C35

0

56pF

06035A560FAT2A

AVX

CAP, CERM, 56pF, 50V, +/- 1%, C0G/NP0, 0603

C42

0

 4700pF C0603C472K5RACTU

Kemet

 CAP, CERM, 4700pF, 50V, +/- 10%, X7R, 0603

Q1A

0

IAUCN08S7L033ATMA1

Infineon

MOSFET N-Channel 80V 130A (Tj) 118W (Tc) Surface Mount PG-TDSON-8-34

R5, R36, R38, R44

0

0

RMCF0603ZT0R00

Stackpole Electronics Inc

RES, 0, 1%, 0.1W, AEC-Q200 Grade 0, 0603

R8

0

10

RC0603FR-0710RL

Yageo

RES, 10.0, 1%, 0.1W, 0603

R12

0

82.0k

RC0603FR-0782KL

Yageo

RES, 82.0k, 1%, 0.1W, 0603

R19

0

4.30k

RC0603FR-074K3L

Yageo

RES, 4.30k, 1%, 0.1W, 0603

R30

0

40.2k

CRCW060340K2FKEA

Vishay-Dale

RES, 40.2 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

R39, R40

0

2.00k

RC0603FR-072KL

Yageo

RES, 2.00k, 1%, 0.1W, 0603

R41

0

3.83k

CRCW06033K83FKEA

Vishay-Dale

RES, 3.83 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

R42

0

8.25k

RC0603FR-078K25L

Yageo

RES, 8.25k, 1%, 0.1W, 0603