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TLC5921DAP from TI,Texas Instruments

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TLC5921DAP

Manufacturer: TI

LED Driver W/Shift Register, Data Latch & Current-Sink Constant Current Circuitry

Partnumber Manufacturer Quantity Availability
TLC5921DAP TI 92 In Stock

Description and Introduction

LED Driver W/Shift Register, Data Latch & Current-Sink Constant Current Circuitry The TLC5921DAP is a 16-channel, constant-current sink LED driver manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Channels:** 16  
- **Output Current:** Adjustable (up to 120 mA per channel)  
- **Supply Voltage (VCC):** 3 V to 5.5 V  
- **Logic Input Voltage:** 3 V to 5.5 V  
- **Constant Current Accuracy:** ±6% (channel-to-channel)  
- **Power Dissipation:** 1.5 W  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** HTSSOP-32 (DAP)  

### **Descriptions:**  
- The TLC5921DAP is designed for driving LEDs with constant current, ensuring uniform brightness.  
- It includes a serial-in, parallel-out shift register for data input and a latch for output control.  
- Each channel features an open-drain output with adjustable current via an external resistor.  
- Suitable for LED displays, signage, and backlighting applications.  

### **Features:**  
- **16 Constant-Current Sink Outputs**  
- **Adjustable Output Current via External Resistor**  
- **3.3V or 5V Logic Compatibility**  
- **Serial Data Interface (CLK, SDI, LE, OE)**  
- **Thermal Shutdown Protection**  
- **Low Standby Current Consumption**  
- **ESD Protection (HBM: 2 kV)**  

This information is strictly based on the manufacturer's datasheet for the TLC5921DAP.

Application Scenarios & Design Considerations

LED Driver W/Shift Register, Data Latch & Current-Sink Constant Current Circuitry

Alternative Part Number

  • STP16CP05TTR --: 16-channel constant-current LED sink driver with serial interface, functionally similar to the TLC5921 and widely used as a drop-in alternative in LED display designs.
  • MBI5026GF --: 16-channel constant-current LED driver with shift register and latch, commonly used as a direct replacement for TI TLC5921 in LED panel applications.
  • CAT4016HV6-GT3 --: 16-channel constant-current LED driver with serial interface and similar current range, suitable alternative when the TLC5921 is unavailable.

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