Single USB Car Charger with Cable Compensation and Battery Short Protection Reference Design PMP11668 (ACTIVE)

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Key Document

Description

The PMP11668 reference design is a single channel USB charger for automotive application. It includes a buck converter followed by a USB charging port controller. Its built-in short-to-battery protection, IEC ESD protection features enhance the system's reliability significantly in automotive application. This design can also handle a 2.1A load current using a simple two layer design. Its output port supports the USB BC1.2 CDP charging protocol.

Features
  • Linear VBUS droop compensation
  • Short-to-battery protection on protected VBUS, DP_IN and DM_IN pins
  • IEC ESD protection on DP_IN/DM_IN
  • USB BC1.2 CDP charging protocol supported
  • High integration for the compensation and protections
  • Two layer simple design

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Schematic/Block Diagram

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Design Guide

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Design Files

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Parametrics
 PMP11668.1
(Output Voltage 1)
Vin (Min) (V)6.5
Vin (Max) (V)36
Vout (Nom) (V)5
Iout (Max) (A)2.1
Output Power (W)10.5
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Synchronous

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LMR23630  SIMPLE SWITCHER®, 36V 3A Synchronous Step-Down Converter  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS254900-Q1  USB Charging Port Controller  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LMR23630 Download Download
Download Download
TPS254900-Q1 Download Download

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Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 544 10 Nov 2016
Design files (6)
Title Type Size (KB) Date
ZIP 485 10 Nov 2016
ZIP 28 10 Nov 2016
PDF 664 10 Nov 2016
PDF 81 10 Nov 2016
PDF 81 10 Nov 2016
PDF 61 10 Nov 2016
Related Tools & Software

Reference Designs  ( 1 )

Name Part Number Tool Type
USB Type-C™ DFP 5V3A Charger Reference Design  PMP11594  TI Designs

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