PMP10260

24Vdc Input (Double Car Battery) Automotive Multiphase Sync-Buck Reference Design

PMP10260

Design files

Overview

This high-efficiency, high-power reference design uses the LM5119 two-phase synchronous-buck controller to regulate 14.4V at 60A. This design can be used to supply single car battery power from a double battery system, often found in trucks. Features include input EMI filtering, output hot swap protection, input/output current monitoring and temperature monitoring.

Features
  • Efficiency of 96% at Vin = 24V and 60A output
  • Very low output ripple voltage (20mVpp)
  • Internal 5V bias supply provides up to 0.5A
  • Input and output current monitoring
  • Output over-current protection
Output voltage options PMP10260.1
Vin (Min) (V) 18
Vin (Max) (V) 60
Vout (Nom) (V) 14.4
Iout (Max) (A) 60
Output Power (W) 864
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Buck- Multiphase
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUAU6.PDF (3998 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRHW7.PDF (220 K)

Detailed schematic diagram for design layout and components

TIDRHW8.PDF (137 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRHW9.PDF (140 K)

Detailed overview of design layout for component placement

TIDRHX0.ZIP (43722 K)

Files used for 3D models or 2D drawings of IC components

TIDCB55.ZIP (296 K)

Design file that contains information on physical board layer of design PCB

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC controllers (external FET)

LM51195.5-65V Wide Vin, Current Mode Dual Synchronous Buck Controller

Data sheet: PDF | HTML
AC/DC & DC/DC converters (integrated FET)

TPS540603.5V to 60V Input, 0.5A Step-Down Converter with Eco-Mode

Data sheet: PDF | HTML
Analog current-sense amplifiers

INA198-16 to 80V, 500kHz current sense amplifier

Data sheet: PDF | HTML
Analog temperature sensors

LM50±2°C analog output temperature sensor, with 10mV/°C gain

Data sheet: PDF | HTML
eFuses & hot swap controllers

LM50605.5-V to 65-V high side protection controller

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Test report PMP10260 Test Results Oct. 01, 2015

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