TLC59025 (ACTIVE)

Low-Power 16-Channel Constant-Current LED Sink Driver

Description

The TLC59025 is designed for LED displays and LED lighting applications. The TLC59025 contains a 16-bit shift register and data latches, which convert serial input data into parallel output format. At the TLC59025 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 (e.g., LED panels), the TLC59025 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. TLC59025 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 TLC59025 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.

Features

  • 16 Constant-Current Output Channels
  • Matches Industry Standard IOUT to External Resistor Ratio
  • Constant Output Current Invariant to Load Voltage Change
  • Excellent Output Current Accuracy:
    • Between Channels: < ±5% (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

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Parametrics Compare all products in Signage/Linear

 
Data Vin (Min) (V)
Data Vin (Max) (V)
Output Channels
Analog Dimming Steps
Data Input
Data Transfer Rate (Typ) (MHz)
Ch to Ch Accuracy (Typ) (+/- %)
Per Channel Drive (mA)
LED Voltage (Max) (V)
Special Features
Rating
Operating Temperature Range (C)
Pin/Package
Approx. Price (US$)
TLC59025 TLC5916 TLC5917 TLC5925 TLC5926 TLC5927
3     3     3     3     3     3    
5.5     5.5     5.5     5.5     5.5     5.5    
16     8     8     16     16     16    
  256     256       256     256    
Serial     Serial     Serial     Serial     Serial     Serial    
30     30     30     30     30     30    
5     3     3     4     6     6    
45     120     120     45     120     120    
17     20     20     17     17     17    
Thermal Shutdown     Thermal Shutdown
LED Open Detection
LED Short to Ground Detection    
Thermal Shutdown
LED Open Detection
LED Short to Ground Detection
LED Short to VLED Detection    
Thermal Shutdown     Thermal Shutdown
LED Open Detection
LED Short to Ground Detection    
Thermal Shutdown
LED Open Detection
LED Short to Ground Detection
LED Short to VLED Detection    
Catalog     Catalog     Catalog     Catalog     Catalog     Catalog    
-40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125    
24SSOP     16SOIC
16TSSOP
16PDIP    
16PDIP
16SOIC
16TSSOP    
24SOIC
24SSOP
24TSSOP    
24HTSSOP
24SOIC
24SSOP    
24HTSSOP
24SOIC
24SSOP    
0.55 | 1ku     0.47 | 1ku     0.48 | 1ku     0.50 | 1ku     0.60 | 1ku     0.65 | 1ku    

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