STMicroelectronics expand constant current sink LED driver family

The STP24DP05 is a monolithic, low voltage, low current power 24-bit constant current driver designed for LED panel displays. The device contains a 8 x 3-bit serial-in, parallel-out shift register that feeds a 8 x 3 –bit D-type storage register. The detection functionality on the output line checks open/short fault conditions.

Key features include 3.3V and 5V micro driver, 8 x 3 channel groups of constant current output, adjustable output current through one external resistor for each group of 8-channel, short and open output error detection via SPI and flag pin, serial data IN / parallel data OUT, SPI serial interface, gradual output delay, thermal shutdown with flag pin and excellent current accuracy.

The device can provide 5 to 80mA output current and is supplied in the TQFP48 package.

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