TIDA-00866

Inrush Current Limiter for Automotive Applications Reference Design

TIDA-00866

Design files

Overview

This reference design not only offers protective measures and diagnostics for off-board load, but also clamps the start-up inrush current effectively. A typical application acts as a power switch for the remote display in the automotive infotainment system. This design offers a new generation, smart, high-side switch TPS1H100-Q1 with an adjustable current limit function which can clamp the inrush current effectively.

Features
  • Clamp inrush current effectively
  • Provide full diagnosis for off-board load
  • Save size with integrated FET
  • Wide supply range from 3.5 V to 40 V
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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.

TIDUB34B.PDF (1911 K)

Reference design overview and verified performance test data

TIDRNK7.PDF (426 K)

Detailed schematic diagram for design layout and components

TIDRNK8.PDF (154 K)

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

TIDRNK9.PDF (56 K)

Detailed overview of design layout for component placement

TIDRNL0.ZIP (301 K)

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

TIDCCM8.ZIP (195 K)

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

Products

Includes TI products in the design and potential alternatives.

High-side switches

TPS1H100-Q140-V, 100-mΩ, 1-ch automotive smart high-side switch with adjustable current limit

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Design guide TPS1H100 40-V, 100-mΩ, Smart High-Side Switch as Current Limiter Reference Guide (Rev. B) Jul. 14, 2016

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