5V@2.1A USB Charger Automotive Reference Design

(ACTIVE) PMP10282

Description & Features

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Key Document

Description

This USB 3.0 charger provides 5V @ 2.1A over an automotive input range of 8V - 40V. It uses the integrated FET TPS54340 PWM Buck controller and implements cable voltage droop compensation. A TPS2546 charging port controller provides data line switching plus an integrated FET with dual current protection thresholds.

Features
  • 8 to 40V (12V nominal) input voltage and 5V/2.1A output with TPS54340
  • Programmable voltage droop
  • Supports both USB 2.0 and 3.0 power switch requirements
  • This reference design has been lab tested and is supported with design files and an application note

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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
 PMP10282.1
(Output Voltage 1)
Vin (Min) (V)8
Vin (Max) (V)40
Vout (Nom) (V)5
Iout (Max) (A)2.1
Output Power (W)10.5
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Non Sync

TI Devices (4)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
INA213  26V, Bi-Directional, Zero-Drift, Low-/High-Side, Voltage Output Current Sense Amplifier  Current sense amplifiers  Sample & Buy View Design Kits & Evaluation Modules
TPD2E001  Low-Capacitance 2-Channel +/-15kV ESD Protection Array for High-Speed Data Interfaces  Circuit protection  Sample & Buy View Design Kits & Evaluation Modules
TPS2546  USB Charging Port Controller and 2.5A Power Switch With Load Detection  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS54340  42 V Input, 3.5 A, Step-Down DC/DC 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)
INA213 Download Download
Download Download
TPD2E001 Download -
Download Download
Download -
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TPS2546 Download Download
TPS54340 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 1576 30 Nov 2015 9
Design files (5)
Title Abstract Type Size (KB) Date Views
ZIP 249 30 Nov 2015 9
ZIP 13917 30 Nov 2015 7
PDF 80 30 Nov 2015 6
PDF 99 30 Nov 2015 9
PDF 131 30 Nov 2015 88
Related Tools & Software

Reference Designs  ( 1 )

Name Part Number Tool Type
Dual-Port Automotive USB Charger Reference Design  PMP7390  TI Designs

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