CISPR 25 Class 4 Automotive Dual Remote and Local USB Port Reference Design
TIDA-01253
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Key Document

Description

This automotive media port design allows customers to accelerate media port systems by taking advantage of a complete reference design comprising analog AEC-100-qualified integrated circuits (ICs). The reference design is specified for automotive media ports that require both local-port and remote-port support utilizing the USB BC1.2 specification. This design creates a robust, flexible solution which allows the system to charge both ports simultaneously while still accounting for voltage droop on a remote port.

Features
  • LM74610-Q1 smart diode emulates ideal diode rectifier and protects downstream devices in case of reverse polarity
  • TPS254900 and TPS2511 provide remote port and local port negotiation over D+/D– lines, respectively, to enable charging of either cable compensated or typical local port
  • Components in system provide short-to-battery protection and oad dump protection against input transients up to 40V
  • Automotive grade LMS3635-Q1 optimizes power supply through adjustable switching frequencies outside of AM and FM band operation and supports both ports by providing up to 5.5A continuous current without requiring external diodes or MOSFETs

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Design Files

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TI Devices (6)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD16408Q5C  DualCool™ N-Channel NexFET™ Power MOSFET  MOSFETs  Not Available Not Available
LM358  Dual standard operational amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
LM74610-Q1  Zero iq reverse polarity protection smart diode controller  Power switches  Sample & Buy View Design Kits & Evaluation Modules
LMS3655-Q1  3.5A /5.5A, 36V Synchronous, 400kHz, Step-Down Converter  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS2511  USB Dedicated Charging Port Controller and 2.2A Power Switch  Power management  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)
LM358 Download Download
Download
Download Download
Download -
Download Download
LM74610-Q1 Download Download
LMS3655-Q1 Download Download
TPS2511 Download Download
TPS254900-Q1 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 5783 22 Nov 2016
Design files (6)
Title Type Size (KB) Date
ZIP 1438 18 Dec 2017
ZIP 5826 18 Dec 2017
PDF 633 18 Dec 2017
PDF 86 18 Dec 2017
PDF 56 18 Dec 2017
PDF 139 18 Dec 2017

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