Reference design for automotive cluster driver notification functions
TIDA-01628
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Key Document
Description
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
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Schematic/Block Diagram
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Design Guide
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TI Devices (8)
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| Sample & Buy |
Design Kits & Evaluation Modules |
| LM43602-Q1 |
Automotive Qualified 3.5V to 36V, 2A Synchronous Step-Down Voltage Converter |
Step-down (buck) regulators |
Sample & Buy |
View Design Kits & Evaluation Modules |
| LM5150-Q1 |
Wide VIN Automotive Low IQ Boost Controller |
Step-up (boost) regulators |
Sample & Buy |
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| LM74700-Q1 |
3.2-V to 65-V, 80-uA IQ automotive ideal diode controller |
Power switches |
Sample & Buy |
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| LMR33630-Q1 |
3.8-V to 36-V, 3-A synchronous step-down voltage converter |
Step-down (buck) regulators |
Sample & Buy |
View Design Kits & Evaluation Modules |
| OPA320-Q1 |
Automotive Qualified, Precision, Zero-Crossover, 20MHz, 0.9pA Ib, RRIO, CMOS Operational Amplifier
|
Operational amplifiers (op amps) |
Sample & Buy |
View Design Kits & Evaluation Modules |
| TLC6C5816-Q1 |
Automotive power logic 16-bit Shift Register LED driver with diagnostics |
LED drivers |
Sample & Buy |
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| TPA6211A1-Q1 |
Automotive, 3.1-W, mono, analog input Class-AB audio amplifier |
Audio amplifiers |
Sample & Buy |
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| TPS61193-Q1 |
Low-EMI, high-performance 3-channel LED driver for Automotive lighting |
LED drivers |
Sample & Buy |
View Design Kits & Evaluation Modules |
CAD/CAE symbols
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Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Step 3: Open the .bxl file with the Ultra Librarian software.
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Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a (free download.).
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Technical documentation
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User guides (1)
| Title | Type | Size (KB) | Date |
| | PDF | 7115 |
29 Jun 2020
|
Design files (6)
| | ZIP | 5997 |
06 Nov 2018
|
| | ZIP | 2595 |
06 Nov 2018
|
| | PDF | 3887 |
06 Nov 2018
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| | PDF | 437 |
06 Nov 2018
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| | PDF | 113 |
06 Nov 2018
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| | PDF | 841 |
06 Nov 2018
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