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ISO 7637 Technical Overview

ISO 7637 Standards & Solutions Series

This video series covers:

  • Automotive Transient standards and TI solutions
  • Purpose and goals of standards
  • Questions to ask in product development
  • How to find right TI solutions and support
  • How to identify opportunities and to provide alternative solutions
Automotive front end power stage

Riding Out Automotive Transients : Architecting Front End Power Conversion Stage for Automotive Off-Battery Loads

With rapidly expanding electronic content in latest generation of cars, there is an ever increasing need for power conversion from the car battery rail. The 12-V battery rail is subject to a variety of transients. This presents a unique challenge in terms of the power architecture for off-battery systems. This presentation introduces the different types of transients that occur in automotive battery rails, the causes of those transients, and the standards and specifications defining the test conditions for those transients.

Reduce design risk for Low Earth Orbit satellites and other New Space applications

When: October 8, 2019 2:00 pm
What is NewSpace? What does it mean for satellite design? Explore products that meet quality & reliability requirements for short space flights and LEO designs.
Automotive front end power stage

Automotive transients introduction

This video presents a short overview of automotive frond-end and the transients tackled by the frond-end power conversion stage connected to an automotive battery rail.

Automotive front end power stage

Automotive transients explained

This section presents a high level overview of automotive board net and the describes the conditions that the the tests simulate. These include:

  • Reverse polarity
  • Jump start
  • Load sump
  • Starting profile
  • Superimposed ac
Automotive front end power stage

Architecting the dc-dc stage for automotive transients

This section presents an approach to architecting the dc-dc conversion stage to handle the transients on automotive battery rail. Following topologies are covered:

  • Buck-boost
  • Always-on boost + buck
  • On-demand boost + buck
  • Buck + post boost

Pro/cons of the different approaches are also discussed.

Automotive front end power stage

Reverse battery protection

This section presents the different methods of protecting the electronic loads connected to the automotive battery rail in the event of accidental reverse battery connection. The methods covered include:

  • Schottky diode
  • PFET + discretes
  • Smart diode + NFET
Automotive front end power stage

Riding out automotive transients using buck-boost dc-dc stage

This section presents the buck-boost dc-dc converter as an effective and efficient solution for the wide vin automotive battery rail. The advantages compared to pre-boost and two stage solutions are presented. Also contains an overview of buck-boost converter and controller offerings convering various current and power levels.

Basic background on eFuse protection ICs

The basics: When and how to use eFuses

Browse through our beginner resources below if you’re brand new to eFuses or need a refresher on common eFuse functions.

Design tips for eFuse protection ICs

Design tips for common eFuse use-cases

Or, jump right into our parametric table below to find the eFuse that meets your specification. 

Discover resources to help with efuse design in industrial, automotive and enterprise systems

Application-specific resources for eFuses

Enterprise data centers. Programmable logic controllers for fully-automated factories. Surround-view systems in your vehicle. What do these applications have common? If a fault impacts the power rails, the impact could be disastrous. Browse our video content or fully tested reference designs to see how our protection devices are solving real-world problems for these spaces.

Learn the basics and more advanced application concepts for implementing eFuse protection ICs

Accomplish straightforward system protection with fully integrated eFuses

eFuses are highly integrated ICs that offer device and system-level protection at the input or the output. Traditionally, complete power path protection circuitry was accomplished with a handful of discrete components – components that can use up to 70% greater board space, introduce unnecessary design hurdles, and potentially slow your time to market if UL recognition is required. Those problems are eliminated with our fully integrated eFuses that include over current, over voltage, reverse polarity and more essential protection functions.

Power Supply with Programmable Output Voltage and Protection

Date:
January 7, 2015

Duration:
03:33
This TI Design implements a universal power supply with programmable output voltage and innovative smart e-Fuse technology for use in a multi-standard position

Reverse Current Protection 101

Date:
August 13, 2015

Duration:
03:43
Learn about the risks, causes and prevention of reverse current protection.

Engineer It: How to simplify your motor drive solution

Date:
March 24, 2016

Duration:
03:22
Learn how to simplify your stepper motor drive solution from Ryan Kehr, application manager for Motor Drivers.
ISO 7637 Technical Overview

ISO 7637 Threat Environment

Date:
June 1, 2016

Duration:
08:22
This video covers: Automotive Transient standards structure, purpose and goals

ISO7637 TI Solutions 2016

Date:
June 1, 2016

Duration:
20:43
This video covers: Automotive Transient Protection, Negative transients, and reverse current protectionInrush control using TI solutions

ISO7637 Summary and Resources

Date:
June 1, 2016

Duration:
04:10
This video summarizes the key information from the ISO 7637 standards & solutions series.

Automotive transients introduction

Date:
April 13, 2017

Duration:
04:24
In this video, we will provide an overview of the main 12-V automotive battery rail transients that are handled by the power stage design.

SPDT Load Switch

Date:
July 8, 2015

Duration:
01:21
This design allows customers to make their own SPDT switches and add a customized break-before-make delay.
82 Results
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