Automotive Precision eFuse Reference Design
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Key Document


Fuses are used in many products to avoid current surges and the damage that overcurrent may cause. The traditional fuses used in the Automotive space are low in accuracy and response time. The TIDA-00795 Automotive Precision eFuse reference design is a replacement to the traditional fuse offering higher accuracy and features not found in traditional fuses.This eFuse reference design can be used as a building block to implement a multichannel eFuse box. It can also be used in the Body Control Module (BCM) and Electronic Control Unit (ECU).

  • Accuracy: > 97 %
  • Configurable delay time to accommodate inrush current for 10us, 50us & 100us
  • Configurable current limit upto 30A (Scalable >100A)
  • Response time: max 10us (configurable by delay time)
  • Compliance to 12V electrical transients of ISO 7637_2

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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
INA300-Q1  AEC-Q100, 36V current sense comparator  Current sense amplifiers  Sample & Buy View Design Kits & Evaluation Modules
LM9036Q-Q1  Automotive 50-mA, off-battery (40-V), low-IQ, low-dropout voltage regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
INA300-Q1 Download
LM9036Q-Q1 Download Download

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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 2830 22 Aug 2016
Selection guide (1)
Title Type Size (KB) Date
PDF 1772 04 Apr 2018
Design files (6)
Title Type Size (KB) Date
ZIP 1389 24 May 2016
ZIP 501 31 Mar 2016
PDF 982 31 Mar 2016
PDF 173 31 Mar 2016
PDF 89 31 Mar 2016
PDF 421 31 Mar 2016

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