SLVUBU3A April   2020  – October 2020 LM7480-Q1

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications
  3. 2Description
    1. 2.1  Input Power and Load (J1/J3 and J2/J4):
    2. 2.2  Enable Control (J5):
    3. 2.3  Over Voltage Protection (J6):
    4. 2.4  Input Voltage Monitor (J8 and VIN_MON):
    5. 2.5  Two back-back connected MOSFETs (Q1/Q3 and Q2/Q4):
    6. 2.6  Output slew rate control (R2 and C2):
    7. 2.7  Output Schottky Diode (D2) and LED indication:
    8. 2.8  TVS selection for 12-V battery protection:
    9. 2.9  TVS selection for 24-V battery protection:
    10. 2.10 Test Points:
  4. 3Schematic
  5. 4Test Equipment Requirements
    1. 4.1 Power Supplies
    2. 4.2 Meters
    3. 4.3 Oscilloscope
    4. 4.4 Loads
  6. 5Test Setup and Results
    1. 5.1 Initial Setup
    2. 5.2 Power up
    3. 5.3 Over Voltage Protection
    4. 5.4 Enable Control
    5. 5.5 Hot-plug and Disable using EN
    6. 5.6 Inrush Current Control
    7. 5.7 Load Response
  7. 6Board Layout and Bill of Materials
    1. 6.1 Board Layout
    2. 6.2 Bill of Materials
  8. 7Revision History

Bill of Materials

Table 6-1 Bill of Materials

Fitted

Description

Designator

PartNumber

Quantity

Manufacturer

Package Reference

Value

Alternate Manufacturer

Fitted

CAP, CERM, 0.1 uF, 100 V, +/- 10%, X7R, 0603

C1

GRM188R72A104KA35J

1

MuRata

603

0.1 uF

Fitted

CAP, CERM, 0.01 uF, 100 V, +/- 10%, X7R, AEC-Q200 Grade 1, 0603

C2

CGA3E2X7R2A103K080AA

1

TDK

603

0.01 uF

Fitted

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

C3

CGA3E2X7R1E104K080AA

1

TDK

603

0.1 uF

Fitted

CAP, CERM, 0.1 uF, 100 V, +/- 10%, X7R, AEC-Q200 Grade 1, 1206

C4, C5

CGA5L2X7R2A104K160AA

2

TDK

1206

0.1 uF

Fitted

CAP, CERM, 2.2 uF, 100 V, +/- 10%, X7R, 1210

C6

C1210C225K1RACTU

1

Kemet

1210

2.2 uF

Fitted

CAP, AL, 47 uF, 63 V, +/- 20%, 0.65 ohm, AEC-Q200 Grade 2, SMD

C7

EEE-FK1J470P

1

Panasonic

SMT Radial F

47 uF

Fitted

Diode, TVS, Bi, 33 V, SMB

D1

SMBJ33CA-13-F

1

Diodes Inc.

SMB

33 V

Fitted

Diode, Schottky, 70 V, 1 A, SMA

D2

B170-13-F

1

Diodes Inc.

SMA

70 V

Fitted

LED, Green, SMD

D5

LTST-C190GKT

1

Lite-On

1.6x0.8x0.8mm

Green

Fitted

Standard Banana Jack, Uninsulated, 8.9mm

J1, J2, J3, J4

575-8

4

Keystone

Keystone575-8

Fitted

Header, 100mil, 3x1, Tin, TH

J5, J6, J8

PEC03SAAN

3

Sullins Connector Solutions

Header, 3 PIN, 100mil, Tin

Fitted

Header, 100mil, 2x1, Tin, TH

J7

PEC02SAAN

1

Sullins Connector Solutions

Header, 2 PIN, 100mil, Tin

Fitted

Dual N-Channel MOSFET, 49 A, 60 V, 8-Pin DFN

Q1

NVMFD5C650NL

1

ON Semiconductor

DFN8_5X6

Fitted

RES, 0, 5%, 0.063 W, AEC-Q200 Grade 0, 0402

R1

RK73Z1ETTP

1

KOA Speer

402

0

Fitted

RES, 100, 5%, 0.1 W, AEC-Q200 Grade 0, 0603

R2

CRCW0603100RJNEA

1

Vishay-Dale

603

100

Fitted

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

R3

CRCW060391K0JNEA

1

Vishay-Dale

603

91 k

Fitted

RES, 3.48 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

R4

CRCW06033K48FKEA

1

Vishay-Dale

603

3.48 k

Fitted

RES, 12 k, 5%, 0.1 W, AEC-Q200 Grade 0, 0603

R5

CRCW060312K0JNEA

1

Vishay-Dale

603

12 k

Fitted

RES, 100 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603

R6

CRCW0603100KFKEA

1

Vishay-Dale

603

100 k

Fitted

RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0402

R7, R9

ERJ-2GE0R00X

2

Panasonic

402

0

Fitted

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

R8

CRCW06039K10JNEA

1

Vishay-Dale

603

9.1 k

Fitted

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

R10

ERJ-3GEY0R00V

1

Panasonic

603

0

Fitted

Test Point, Miniature, Orange, TH

TP1, TP2

5003

2

Keystone

Orange Miniature Testpoint

Fitted

TEST POINT SLOTTED .118", TH

TP3, TP4, TP5

1040

3

Keystone

Test point, TH Slot Test point

Fitted

Test Point, Miniature, Black, TH

TP6

5001

1

Keystone

Black Miniature Testpoint

Fitted

Test Point, Miniature, SMT

TP7, TP8, TP9

5015

3

Keystone

Testpoint_Keystone_Miniature

Fitted

Test Point, Miniature, Red, TH

TP10

5000

1

Keystone

Red Miniature Testpoint

Fitted

Ideal Diode Controller with Load Dump Protection, DRR0012E (WSON-12)

U1

LM74800DRRRQ1

1

Texas Instruments

DRR0012E

Texas Instruments

Not Fitted

Diode, TVS, Uni, 58 V, 93.6 Vc, SMB

D3

SMBJ58A-13-F

0

Diodes Inc.

SMB

58 V

Not Fitted

Diode, TVS, Uni, 24 V, 38.9 Vc, SMB

D4

SMBJ24A-13-F

0

Diodes Inc.

SMB

24 V

Not Fitted

Fiducial mark. There is nothing to buy or mount.

FID1, FID2, FID3, FID4, FID5, FID6

N/A

0

N/A

N/A

Not Fitted

INF-MOSFET-N-3

Q2, Q3

IPD100N06S4-03

0

Infineon

PG-TO252-3