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High-brightness LED array driver with diagnostics for automotive applications based on STAP08DP05 and STM8AF

STEVAL-ILL058V1

Overview

The STEVAL-ILL058V1 evaluation board is a high brightness LED array driver application with diagnostics based on the automotive grade, low voltage, 8-bit constant current LED sink driver STAP08DP05 from STMicroelectronics.

The LED driver is configured and controlled through an 8-bit automotive grade STM8A microcontroller via SPI interface.
An automotive grade A5974D DC-DC converter provides the voltages and power for the overall functioning of the board.

Main features

6 - 24 V DC power supply with reverse voltage protection, short-circuit protection and standard DC jack input
Backward/forward transition switch and reset switch
SWIM connector to program microcontroller and for debugging purposes
Connector for LIN development and evaluation
Brightness control potentiometer
Speed control potentiometer
40 white LEDs (PLCC 4)

8 jumpers to simulate open-circuit errors
4 jumpers to simulate short-circuit errors
Slot for USB-to-UART daughterboard
Demonstrates pre-configured patterns (dot-sequence, backlighting, alphanumeric text etc.) in stand-alone mode
Demonstrates basic mode or frame programming mode with GUI SW
RoHS compliant

Design Files

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-06-20 13:38:35

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