Texas Instruments

PCA9534APWR

The PCA9534APWR is a 16-bit I2C bus and SMBus 4-port LED driver from Texas Instruments. It is designed to drive up to four high-current LEDs from a microcontroller or other I2C-compatible digital input. The PCA9534APWR features a high output current capability of up to 40mA per channel and a wide operating voltage range of 2.7V to 5.5V.

Key Features:

1. 4 high-current LED drive outputs
2. I2C bus and SMBus compatible interface
3. Wide operating voltage range: 2.7V to 5.5V
4. High output current capability: up to 40mA per channel
5. 16-bit programmable current sources for each LED output
6. Individual shut-down control for each LED output
7. Short-circuit and over-temperature protection
8. Small package size: 16-pin TSSOP

Applications:

1. LED lighting applications in consumer electronics, such as smartphones, tablets, and laptops
2. Automotive interior and exterior lighting
3. Industrial control panels and displays
4. Medical equipment with LED indicators
5. Home automation systems with LED indicators
6. LED backlighting for LCD displays
7. General-purpose LED driving in various applications

The PCA9534APWR is a versatile and powerful LED driver that can be easily integrated into a wide range of applications requiring high-current LED driving capabilities. Its I2C interface allows for easy communication with a microcontroller or other digital input, making it a popular choice for designers looking to control multiple LEDs with precision and efficiency.