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TLC5943PWP from TI,Texas Instruments

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TLC5943PWP

Manufacturer: TI, TEXASINSTRUM

16-bit ES-PWM with 7-bit Device Level Brightness Control 28-HTSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
TLC5943PWP TI, TEXASINSTRUM 433 In Stock

Description and Introduction

16-bit ES-PWM with 7-bit Device Level Brightness Control 28-HTSSOP -40 to 85 The TLC5943PWP is a 16-channel, constant-current sink LED driver manufactured by Texas Instruments. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Channels:** 16  
- **Output Current Range:** 3 mA to 120 mA (per channel)  
- **Supply Voltage (VCC):** 3.0 V to 5.5 V  
- **Logic Voltage (VLOGIC):** 3.0 V to 5.5 V  
- **Dot Correction (DC) Resolution:** 6-bit (64 steps)  
- **Grayscale (GS) PWM Resolution:** 12-bit (4096 steps)  
- **Data Transfer Rate:** Up to 30 MHz  
- **Package:** HTSSOP-28 (PWP)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The TLC5943PWP is designed for LED driving applications requiring high precision and brightness control.  
- It features individual 12-bit PWM grayscale control and 6-bit dot correction for brightness uniformity.  
- The device supports daisy-chaining for multiple ICs in a single system.  
- It includes thermal shutdown and open-circuit detection for protection.  

### **Features:**  
- **Constant-Current Sink Outputs:** Ensures uniform LED brightness.  
- **Dot Correction:** Adjusts brightness variations between LEDs.  
- **12-Bit Grayscale PWM:** Provides smooth dimming control.  
- **High-Speed Data Interface:** Supports SPI-compatible serial input.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Open-Load Detection:** Identifies faulty LED connections.  
- **Low-Power Standby Mode:** Reduces power consumption when inactive.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

16-bit ES-PWM with 7-bit Device Level Brightness Control 28-HTSSOP -40 to 85

Alternative Part Number

  • PCA9685PW --: 16-channel 12-bit PWM LED controller with I2C interface, functionally similar to the TLC5943 constant-current LED driver and available in a TSSOP package.
  • IS31FL3236A --: 36-channel constant-current LED driver with PWM dimming and I2C control, a close functional match for LED driving applications.
  • LP55231 --: 9-channel constant-current LED driver with programmable PWM and I2C interface from the same manufacturer, suitable as a lower-channel-count alternative.
  • LED1642GWPTR --: 16-channel constant-current LED driver with serial interface, comparable channel count and current capability for LED driving applications.
  • IS31FL3236A-QFLS2-TR --: 36-channel constant-current LED driver with I2C control, offering more channels and similar PWM dimming functionality as a higher-capacity alternative.

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