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TEXAS INSTRUMENTS  TLC5921DAPG4  LED DRIVER, CONSTANT CURRENT, HTSSOP-32

TEXAS INSTRUMENTS TLC5921DAPG4

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Product Overview

The TLC5921DAPG4 is a 16-channel Constant Current LED Sink Driver incorporating shift register and data latch. The current value at constant current output can be set by one external register. The device 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. The constant current value is determined by external resistor, R(IREF) between IREF and GND. The shift register latch is configured with 16 x 1 bits. The 1 bit for constant current output data represents ON for constant current output if data is 1 or OFF if data is 0.
  • Constant output current range (1 to 80mA)
  • Constant current accuracy (±1% typical/±4% maximum)
  • Clock synchronized 1-bit serial input
  • 4.5 to 5.5V Power supply voltage
  • Thermal shutdown (turn output off when junction temperature exceeds limit)
  • LED open detection (error signal output at LED disconnection)
  • Green product and no Sb/Br

Applications

LED Lighting; Lighting; Automotive

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Product Information

Device Topology:
Constant Current
No. of Outputs:
16Outputs
Output Current:
80mA
Output Voltage:
17V
Driver Case Style:
HTSSOP
No. of Pins:
32Pins
Input Voltage Min:
4.5V
Input Voltage Max:
5.5V
Switching Frequency:
20MHz
Operating Temperature Min:
-20°C
Operating Temperature Max:
85°C
Packaging:
Each
Dimming Control Type:
-
MSL:
MSL 3 - 168 hours
Input Voltage:
4.5V to 5.5V
LED Driver Application:
Lighting
SVHC:
No SVHC (15-Jun-2015)

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Legislation and Environmental

Moisture Sensitivity Level:
MSL 3 - 168 hours
RoHS Compliant:
Yes

Applications

  • LED Lighting;
  • Lighting;
  • Automotive

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