Document
System LED Drivers for Mobile Phones
7x17(Max.) Dot Matrix LED Display Driver
BD26503GUL
●Description
BD26503GUL is “Matrix LED Driver” that is the most suitable for the cellular phone. It can control 7x17(119 dot) LED Matrix by internal 7-channel PMOS SWs and 17-channel LED drivers. It can control the luminance and firefly lighting of the LED matrix by the setting of the internal register. It supports SPI and I2C interface. VCSP50L3 (3.6mm□0.55mm height max), small and thin type chip size package.
It adopts the very thin CSP package that is the most suitable for the slim phone.
●Features
1) LED Matrix driver (7x17) ・It has 7-channel PMOS SWs and 17-channel current drivers with 1/7 timing driven sequentially. ・Put ON/OFF(for every dot). ・The current drivers can drive 0-20.00mA current with 16 step(for every dot). ・64 steps of the luminance control by PWM (common setting for all dots) ・Continuous (TDMA off ) lighting function for LED14-LED17 ・Easy register settin.