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TIDA-01628
Reference design for automotive cluster driver notification functions
TIDA-01628
Overview
This reference design implements power and driver notification functions typically found in an automotive instrument cluster. The design features reverse battery protection, a pre-boost stage to support cold-crank battery voltage conditions down to 3.5 volts, buck regulators for 3.3-V and 5-V supplies, an audio amplifier circuit to provide notifications, an LED backlight supply with automated brightness control and LED drivers with flexible diagnostic functions for tell-tale LEDs.
Features
- Wide Vin range supports cold cranking to 3.5V and load dump to 40V
- Tell-tale LED drivers with configurable fault diagnostics
- 5V, single rail audio amplifier for chime and warning
- Adjustable ambient backlight brightness with light sensor
- Low loss reverse battery protection for reduced power dissipation
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.
TIDUDX8B.PDF (7178 K)
Reference design overview and verified performance test data
TIDRXM5.PDF (841 K)
Detailed schematic diagram for design layout and components
TIDRXM6.PDF (113 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDRXM7.PDF (437 K)
Detailed overview of design layout for component placement
TIDRXM9.ZIP (2595 K)
Files used for 3D models or 2D drawings of IC components
TIDCF04.ZIP (5997 K)
Design file that contains information on physical board layer of design PCB
TIDRXM8.PDF (3887 K)
PCB layer plot file used for generating PCB design layout
Products
Includes TI products in the design and potential alternatives.
AC/DC & DC/DC converters (integrated FET)
LM43602-Q1 — Automotive Qualified 3.5V to 36V, 2A Synchronous Step-Down Voltage Converter
Data sheet: PDF | HTMLAC/DC & DC/DC converters (integrated FET)
LMR33630-Q1 — 3.8-V to 36-V, 3-A synchronous step-down voltage converter
Data sheet: PDF | HTMLAutomotive LED drivers
TLC6C5816-Q1 — Automotive power logic 16-bit Shift Register LED driver with diagnostics
Data sheet: PDF | HTMLAutomotive LED drivers
TPS61193-Q1 — Low-EMI, high-performance 3-channel LED driver for Automotive lighting
Data sheet: PDF | HTMLIdeal diode/ORing controllers
LM74700-Q1 — 3.2-V to 65-V, 80-uA IQ automotive ideal diode controller
Data sheet: PDF | HTMLSpeaker amps
TPA6211A1-Q1 — Automotive, 3.1-W, mono, analog input Class-AB audio amplifier
Data sheet: PDF | HTMLStart development
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | Reference Design for Automotive Cluster Driver Notification Functions (Rev. B) | PDF | HTML | Jun. 29, 2020 |
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