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

(ACTIVE) PMP10260

Description & Features

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Key Document

Description

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

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Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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Parametrics
 PMP10260.1
(Output Voltage 1)
Vin (Min) (V)18
Vin (Max) (V)60
Vout (Nom) (V)14.4
Iout (Max) (A)60
Output Power (W)864
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Multiphase

TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
INA198  -16V to +80V, Low-/High-side, High-Speed, Voltage Output Current Sense Amplifier  Current sense amplifiers  Sample & Buy Not Available
LM50  ±2°C Analog Output Temperature Sensor  Temperature sensors  Sample & Buy Not Available
LM5060  High-Side Protection Controller with Low Quiescent Current  Power switches  Sample & Buy View Design Kits & Evaluation Modules
LM5119  5.5-65V Wide Vin, Current Mode Dual Synchronous Buck Controller  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS54060  3.5V to 60V Input, 0.5A Step-Down Converter with Eco-Mode  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
INA198 Download Download
LM50 Download Download
LM5060 Download Download
LM5119 Download Download
TPS54060 Download -
Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 3936 01 Oct 2015 6
Design files (5)
Title Abstract Type Size (KB) Date Views
ZIP 296 01 Oct 2015 5
ZIP 43722 01 Oct 2015 8
PDF 140 01 Oct 2015 7
PDF 137 01 Oct 2015 9
PDF 220 01 Oct 2015 40

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