(China (Mainland))
Product Summary
The TLC5921DAPR is a current-sink constant current driver incorporating shift register and data latch. The current value at constant current output can be set by one external register. The TLC5921DAPR also incorporates thermal shutdown (TSD) circuitry which turns constant current output off when the junction temperature exceeds the limit, and LED open detection (LOD) circuitry to report the LED was disconnected.
Parametrics
TLC5921DAPR absolute maximum ratings: (1)Supply voltage, VCC: – 0.3 V to 7 V; (2)Output current (dc), IO(LC): 90 mA; (3)Input voltage range, VI: – 0.3 V to VCC + 0.3 V; (4)Output voltage range, VO(SOUT), VO(XDOWN): – 0.3 V to VCC + 0.3 V; (5)Output voltage range, VO(OUTn): – 0.3 V to 18 V; (6)Storage temperature range, Tstg: –40℃ to 150℃; (7)Continuous total power dissipation at (or below) TA = 25℃: 3.9 W; (8)Power dissipation rating at (or above) TA = 25℃: 31.4 mW/℃.
Features
TLC5921DAPR features: (1)Input/Output Signal Level: CMOS Level; (2)Power Supply Voltage: 4.5 V to 5.5V; (3)Maximum Output Voltage: 17 V (Max); (4)Data Transfer Rate: 20 MHz (Max); (5)Operating Free-Air Temperature Range: –20℃ to 85℃; (6)Available in 32 Pin HTSSOP DAP Package(PD=3.9 W, TA = 25℃); (7)LOD Function: LED Open Detection(Error Signal Output at LED Disconnection); (8)TSD Function: Thermal Shutdown (Turn Output Off When Junction Temperature Exceeds Limit).
Diagrams
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 TLC5921DAPR |
Texas Instruments |
LED Lighting Drivers LED Driver |
Data Sheet |
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TLC5921DAPRG4 |
Texas Instruments |
LED Lighting Drivers LED Driver |
Data Sheet |
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