念慈菴

LED display driver reference design with serial interface

TIDA-00206

Overview

This reference design uses a low-cost MSP430 and two DRV8860 eight-channel low-side drivers to drive eight seven-segment displays with brightness control. The display module benefits from the DRV8860's wide power supply range, high current, PWM brightness control, serial daisy-chain connectivity, and output scalability to hundreds of LEDs. It is a complete solution, equipped with six demonstration display modes via the onboard MCU program, with integrated protection against short circuit, under voltage and over temperature.

characteristic

● Serial interface minimizes signal count
● Only 2 DRV8860 can drive 8 characters
● Small PCB size
●Supports scalable output current for ultra-high brightness LEDs
● Internal 8-level PWM duty for brightness control via serial interface
●Onboard MCU equipped with six demonstration display modes

Backlog Impt notice changes Backlog Impt notice changes end

Design Files

Documentation

TIDA-00206 Test Results

Related Devices

Devices	Class	introduce	Datasheet
DRV8860	semiconductor;Driver IC	DRV8860 Octal Low-Side Driver with Serial Interface	Download
MSP430G2302	semiconductor;The embedded processor and controller	MSP430G2302 MSP430G2x32, MSP430G2x02 Mixed Signal Microcontroller	Download

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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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