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3bit LED drive control dedicated circuit
TM1803
Summarize
TM1803 is a 3 bits LED (light-emitting diode display) drive control circuit, internal integrated with MCU digital interface, latch, LED high voltage driver and so on .Through the external MCU control, the chip can achieve separate luminance, And through cascade control can achieve outdoor large-screen color dot-matrix light-emitting control. TM1803 have excellent performance and high reliability.
Feature
z z z z z Use high-voltage power CMOS process Output voltage is up to 24V Brightness adjustment circuit(256) Serial-shift and cascade Interface Oscillation modeļ¼Built-in RC oscillator, signal clock synchronization.