SNOU179A May   2021  – September 2021 LM74501-Q1

 

  1.   Trademarks
  2. 1Introduction
  3. 2Setup
    1. 2.1 I/O Connector Description
    2. 2.2 Board Setup
    3. 2.3 Schematic
  4. 3Operation
    1. 3.1 LM74501-Q1EVM Performance Capture
      1. 3.1.1 LM74501-Q1EVM Startup
      2. 3.1.2 Startup Reverse Polarity (–12 V)
  5. 4EVM Board Assembly Drawings and Layout Guidelines
    1. 4.1 PCB Drawings
    2. 4.2 Bill of Materials
  6. 5Revision History

Bill of Materials

Table 4-1 lists the LM74501-Q1EVM BOM.

Table 4-1 Bill of Materials

Designator

Quantity

Value

Description

Package Reference

Part Number

Manufacturer

!PCB

1

Printed Circuit Board

PSIL135

Any

BATT_MON, ENA, GATE, VINA, VOUTA

5

Test Point, Miniature, SMT

Testpoint_Keystone_Miniature

5015

Keystone

C1

1

0.1uF

CAP, CERM, 0.1 uF, 25 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603

0603

CGA3E2X7R1E104K080AA

TDK

C2

1

2.2uF

CAP, CERM, 2.2 uF, 100 V, +/- 10%, X7R, AEC-Q200 Grade 1,

CGA6N3X7R2A225K230AB

TDK

C3

1

47uF

CAP, AL, 47 uF, 63 V, +/- 20%, AEC-Q200 Grade 2, SMD

D8xL10.2mm

EEE-HA1J470UP

Panasonic

C4, C5

2

0.33uF

CAP, CERM, 0.33 µF, 50 V,+/- 10%, X8R, AEC-Q200 Grade 0, 1206

1206

CGA5L2X8R1H334K160AA

TDK

CT

1

0.022uF

CAP, CERM, 0.022 uF, 100 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603

0603

CGA3E2X7R2A223K080AA

TDK

GND1, GND2

2

TEST POINT SLOTTED .118", TH

Test point, TH Slot Test point

1040

Keystone

H1, H2, H3, H4

4

Machine Screw, Round, #4-40 x 1/4, Nylon, Philips panhead

Screw

NY PMS 440 0025 PH

B&F Fastener Supply

H5, H6, H7, H8

4

Standoff, Hex, 0.5"L #4-40 Nylon

Standoff

1902C

Keystone

J1, J2, J3, J4

4

Standard Banana Jack, Uninsulated, 8.9mm

Keystone575-8

575-8

Keystone

J5

1

Header, 100mil, 3x1, Tin, TH

Header, 3 PIN, 100mil, Tin

PEC03SAAN

Sullins Connector Solutions

LBL1

1

Thermal Transfer Printable Labels, 0.650" W x 0.200" H - 10,000 per roll

PCB Label 0.650 x 0.200 inch

THT-14-423-10

Brady

Q1

1

N-Channel 40V 120A (Ta) 172W (Ta) Surface Mount LFPAK56, Power-SO8

SOT669

BUK7Y3R0-40HX

Nexperia

R1

1

91k

RES, 91 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

CRCW060391K0JNEA

Vishay-Dale

R2

1

9.1k

RES, 9.1 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603

0603

CRCW06039K10JNEA

Vishay-Dale

R3

1

0

RES, 0, 5%, 0.1 W, 0603

0603

ERJ-3GEY0R00V

Panasonic

SH-J1

1

1x2

Shunt, 100mil, Flash Gold, Black

Closed Top 100mil Shunt

SPC02SYAN

Sullins Connector Solutions

U1

1

Low IQ Reverse Battery Protection Controller with Integrated VDS Clamp

SOT23-8

LM74501QDDFQ1

Texas Instruments

D2

0

58V

Diode, TVS, Uni, 58 V, SMA

SMA

SMAJ58A

Diodes Inc.

FID1, FID2, FID3, FID4, FID5, FID6

0

Fiducial mark. There is nothing to buy or mount.

N/A

N/A

N/A

Q2

0

N-Channel 40V 100A (Tc) 136W (Tc) Surface Mount TO-252AA

TO-252

SQD100N04-3M6_GE3

Vishay