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SCT2167

StarChips
Part Number SCT2167
Manufacturer StarChips
Description 8-bit Serial-In/Parallel-Out Constant Current Driver
Published Nov 29, 2014
Detailed Description StarChips Technology SCT2167 V01_02; Jul/12 8-bit Serial-In/Parallel-Out Constant Current Driver Product Description ...
Datasheet PDF File SCT2167 PDF File

SCT2167
SCT2167

Overview
StarChips Technology SCT2167 V01_02; Jul/12 8-bit Serial-In/Parallel-Out Constant Current Driver Product Description The SCT2167 serial interfaced LED driver sinks 8 LED clusters with constant current to keep the uniform intensity of LED displays.
In applications, an external resistor is used to set the full scale constant output current from 5mA up to 45mA.
The SCT2167 guarantees each output can endure maximum 17V DC voltage stress.
The built in shift registers and data latches making the SCT2167 effective solution in driving LED display.
The output enable function gates all 8 outputs on and off, and is fast enough to be used as PWM input for LED intensity control.
Since the serial data input rate can be reached up to 25MHz, the SCT2167 will satisfy system which needs high volume data transmission to control the LED Features 8 constant current sinkers with output voltage sustainable to 17V Constant output current : 5 – 30/45mA@3.
3/5V Excellent regulation to load, supply voltage and temperature Temperature regulation: ±0.
005%/°C load regulation: ±0.
1%/V line regulation: ±0.
5%/V High current matching accuracy: ±1% between outputs, ±2% between ICs Fine grayscale response with 180ns PWM pulse width Dropout voltage 0.
5V@20mA, VDD=5V CMOS Schmitt trigger inputs with clock rate up to 25MHz @ cascade connection The constant current value of 8 outputs is set by a single external resistor Interlaced 30ns delay of output, preventing instant current surge and output bouncing overstress Built in power on reset(POR) circuit forces all the outputs off while power on Package: SSOP16 and SOP16 Applications: LED Displays, Variable Message Signs, Illumination, LED Traffic Signs 8-bit Serial-In/Parallel-Out Constant Current Driver Pin Configurations SCT2167 GND SDI CLK LA/ OUT0 OUT1 OUT2 OUT3 1 2 3 4 5 6 7 8 16 VDD 15 REXT 14 SDO SCT2167 13 OE/ CSSG CSOG 12 OUT7 11 OUT6 10 OUT5 9 OUT4 Terminal Description Pin Name Pin No.
I/O Function GND SDI 1 Ground terminal 2 I ...


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