NXP PCA9633D16 - 4-bit Fm+ I²C-bus LED driver
The NXP PCA9633D16 is a highly efficient 4-bit Fast-mode Plus (Fm+) I²C-bus LED driver, perfect for controlling four individual LEDs. This compact and versatile driver is part of NXP's leading-edge semiconductor solutions, designed to provide users with an optimal balance of power efficiency, performance, and size.
Key Features:
- Integrated LED Driver: Equipped with 4 LED drivers, each with its own programmable blink rate and duty cycle, the PCA9633D16 allows for precise control over lighting effects.
- I²C Interface: The device supports a 1000 kbit/s Fast-mode Plus I²C-bus interface, ensuring high-speed communication with the host controller.
- Programmable Outputs: Output drivers are programmable to be either open-drain with a 25 mA current sink capability or totem pole with a 25 mA source capability, providing flexibility for various LED configurations.
- Low Standby Current: The PCA9633D16 is designed for low power consumption with a standby current of just 5 μA, making it suitable for battery-powered applications.
- Output Current Adjustment: Through external resistors, users can adjust the output current for each LED channel, enabling brightness control without the need for pulse-width modulation (PWM).
- Hardware Dimming: The device supports both hardware and software dimming, allowing for smooth transitions and dynamic lighting effects.
Applications:
The PCA9633D16 is ideal for a wide range of applications, including LED status indication, backlighting for LCD displays, keypad backlighting for mobile devices, and general-purpose LED lighting systems. Its small footprint and ease of use make it an excellent choice for both simple and complex lighting designs.
Package:
The device is available in a 16-pin TSSOP package, which is a space-saving option for PCB designs. Its compact size combined with the feature-rich capabilities makes the PCA9633D16 a versatile and reliable solution for LED driving requirements.