SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel):
260
Qualification Status:
Not Qualified
Seated Height-Max:
1.2 mm
Supply Current-Max:
60 mA
Supply Voltage-Max:
5.5 V
Supply Voltage-Min:
3 V
Supply Voltage-Nom:
3.3 V
Supply Voltage1-Max:
5.5 V
Supply Voltage1-Min:
3 V
Supply Voltage1-Nom:
3.3 V
Surface Mount:
YES
Technology:
BICMOS
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form:
GULL WING
Terminal Pitch:
0.65 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
4.4 mm
fmax-Min:
30 MHz
TLC5944PWP Frequently Asked Questions (FAQs)
The maximum frequency of the clock input is 30 MHz, but it's recommended to keep it below 20 MHz for reliable operation.
The recommended sequence is: GSCLK low, SCLK low, XLAT high, then GSCLK high to latch the data. After that, SCLK can be clocked to transfer data, and XLAT can be low to update the outputs.
The VPRG pin is used to set the internal voltage reference for the grayscale PWM generator. It should be connected to a voltage source between 1.2V and 3.3V, with 2.5V being the recommended value.
The TLC5944PWP has a built-in thermal shutdown feature that disables the device when it overheats. To handle this, you can monitor the TSD pin, which goes low when the device is in thermal shutdown. You can then take action to reduce the power consumption or provide cooling to the device.
It's recommended to keep the power supply lines (VCC, GND) separate from the signal lines (SCLK, GSCLK, XLAT, etc.) to minimize noise and interference. Also, keep the traces short and use a solid ground plane to reduce EMI.
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System Verified
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TLC5944PWP Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
