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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.

Introduction and Agenda

This section will cover the introduction and agenda for this 21 part training series. 

Market Challenges

This section will cover the market challenges to consider when choosing your DC/DC solution

Control Mode Comparision

This section will cover compare the 3 different control mode chosen

Product Comparison

This section will compare the 3 different products used

Topology Comparison

This section will compare the 2 different topologies chosen for this comparison

Design Parameters

This section will review the design parameters used

Switching Frequency Considerations

This section will cover issue to consider when choosing your switching frequency

Inductor Selection

This section will cover thing to consider when choosing your output inductor

Output Capacitor Selection

This section will cover thing to consider when choosing your output capacitor

Series Capacitor Selection

This section will cover the selection of the series capacitor for the TPS54A20

Capacitor self heating

This section will cover the effect of capacitor self heating on your DCDC design.

Compensation network selection for the TPS54824

This section will cover selection of the compensation components for the TPS54824

Solution Comparison

This section will compare the schematics and components chosen for the 3 solutions used in this comparis

Closed Loop Analysis

This section will compare the closed loop analysis of the 3 different solutions.

Transient Response

This section will compare the transient response of the 3 solutions.

Output Ripple and Jitter

This section will compare the out put ripple and jitter for the 3 different solutions

Efficiency

This section will compare the efficiency results for each of the 3 solutions

Thermals

This section will compare the thermal images and results for the 3 solutions tested.

330 Results
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