Product details

Features ON/OFF LED Driver, Thermal Shutdown Data transfer rate (Typ) (MHz) 30 Ch to ch accuracy (Typ) (+/- %) 4 Rating Catalog Operating temperature range (C) -40 to 125
Features ON/OFF LED Driver, Thermal Shutdown Data transfer rate (Typ) (MHz) 30 Ch to ch accuracy (Typ) (+/- %) 4 Rating Catalog Operating temperature range (C) -40 to 125
SOIC (DW) 24 160 mm² 15.5 x 10.3 SSOP (DBQ) 24 52 mm² 8.65 x 6 TSSOP (PW) 24 34 mm² 4.4 x 7.8
  • 16 Constant-Current Output Channels
  • Constant Output Current Invariant to Load Voltage
    Change
  • Excellent Output Current Accuracy:
    • Between Channels: < ±4% (Max)
    • Between ICs: < ±6% (Max)
  • Constant Output Current Range:
    3 mA to 45 mA
  • Output Current Adjusted By External Resistor
  • Fast Response of Output Current, OE (Min):
    100 ns
  • 30-MHz Clock Frequency
  • Schmitt-Trigger Inputs
  • 3.3-V to 5-V Supply Voltage
  • Thermal Shutdown for Overtemperature
    Protection
  • ESD Performance: 1-kV HBM
  • 16 Constant-Current Output Channels
  • Constant Output Current Invariant to Load Voltage
    Change
  • Excellent Output Current Accuracy:
    • Between Channels: < ±4% (Max)
    • Between ICs: < ±6% (Max)
  • Constant Output Current Range:
    3 mA to 45 mA
  • Output Current Adjusted By External Resistor
  • Fast Response of Output Current, OE (Min):
    100 ns
  • 30-MHz Clock Frequency
  • Schmitt-Trigger Inputs
  • 3.3-V to 5-V Supply Voltage
  • Thermal Shutdown for Overtemperature
    Protection
  • ESD Performance: 1-kV HBM

The TLC5925 is designed for LED displays and LED lighting applications. The TLC5925 contains a 16-bit shift register and data latches, which convert serial input data into parallel output format. At the TLC5925 output stage, 16 regulated-current ports provide uniform and constant current for driving LEDs within a wide range of VF variations. Used in system design for LED display applications (such as, LED panels), the TLC5925 provides great flexibility and device performance. Users can adjust the output current from 3 mA to 45 mA through an external resistor, Rext, which gives flexibility in controlling the light intensity of LEDs. TLC5925 is designed for up to 17 V at the output port. The high clock frequency, 30 MHz, also satisfies the system requirements of high-volume data transmission.

The serial data is transferred into TLC5925 via SDI, shifted in the shift register, and transferred out via SDO. LE can latch the serial data in the shift register to the output latch. OE enables the output drivers to sink current.

The TLC5925 is designed for LED displays and LED lighting applications. The TLC5925 contains a 16-bit shift register and data latches, which convert serial input data into parallel output format. At the TLC5925 output stage, 16 regulated-current ports provide uniform and constant current for driving LEDs within a wide range of VF variations. Used in system design for LED display applications (such as, LED panels), the TLC5925 provides great flexibility and device performance. Users can adjust the output current from 3 mA to 45 mA through an external resistor, Rext, which gives flexibility in controlling the light intensity of LEDs. TLC5925 is designed for up to 17 V at the output port. The high clock frequency, 30 MHz, also satisfies the system requirements of high-volume data transmission.

The serial data is transferred into TLC5925 via SDI, shifted in the shift register, and transferred out via SDO. LE can latch the serial data in the shift register to the output latch. OE enables the output drivers to sink current.

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Type Title Date
* Data sheet TLC5925 Low-Power 16-Channel Constant-Current LED Sink Driver datasheet (Rev. B) 29 Sep 2015
White paper Common LED Functions and LED Driver Design Considerations 21 Sep 2020
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Technical article Here's how body electronics and lighting technology are changing the driving experience 26 Sep 2016
Technical article LED brightness adjustment: high-frequency PWM dimming 26 Aug 2016
Technical article Take better selfies with innovative LED flashes 18 Nov 2014
Technical article Solving the automotive EMI issues in new cars with all the screens 11 Sep 2014

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