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TM1803

Titan Micro
Part Number TM1803
Manufacturer Titan Micro
Description 3-bit LED drive control dedicated circuit
Published Sep 15, 2014
Detailed Description 3bit LED drive control dedicated circuit TM1803 Summarize TM1803 is a 3 bits LED (light-emitting diode display) drive ...
Datasheet PDF File TM1803 PDF File

TM1803
TM1803

Overview
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 mode：Built-in RC oscillator, signal clock synchronization.
While accepting the completed data of this module, data can be auto-shaped and transmitted to next chip via data output pin.
z z Built-in power-on reset circuit PWM control side can achieve 256 adjustment, scan frequency not less than 400hz /s z z The completion of data reception and decoding by a signal line When the refresh rate of 30 frames/ s, the number of cascade is not less than 512 on low-speed mode.
And it is not less than 1024 on high-speed mode.
z z SOP8 package Data transmission speed can be 400Kbps and 800Kbps two modes ©Titan Micro Electronics www.
titanmec.
com Page 1 of 6 3bit LED drive control dedicated circuit TM1803 PIN Configuration (Top View) TM1803 OUTR OUTG OUTB GND 1 2 3 4 8 7 6 5 VDD SET DIN DO PIN identifications： PIN name OUTR OUTG OUTB VSS DOUT DIN SET VDD Description Red PWM Control Output Green PWM Control Output Blue PWM Control Output Logical gnd ; system gnd Data Output Data Input Mode setting 1)SET toVDD：Low-speed mode 2)SET flaoting: High-speed mode Logic Power ,5V±10% PIN NO.
1 2 3 4 5 6 7 8 Electrical parameters Limit parameter（Ta = 25℃, Vss = 0 V） Parameter Logic Supply Voltage Output voltage Logic input voltage LED Driver Output Current Power loss Operating Temperature Storage Temperature Symbol VDD VOUT VI1 IO1 PD Topt Tstg Range -0.
5 ～+7.
0 24 -0.
5...


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