The NXP PCA9552BS-T is a sophisticated 16-bit I²C-bus LED driver designed to empower engineers with a versatile solution for controlling and dimming LEDs in a wide array of applications. This compact and efficient component is part of NXP's PCA9552 series, renowned for their reliability and performance in managing LED arrays.

Key Features

• I²C Interface: The PCA9552BS-T leverages the popular I²C-bus interface, facilitating easy communication with microcontrollers and other digital devices at speeds of up to 400 kHz.
• 16 LED Drivers: Each of the 16 LED drivers can be individually controlled, allowing for precise manipulation of lighting effects and power usage.
• Programmable Blink Rate: The device offers programmable blink rates, enabling designers to create dynamic lighting patterns and indicators.
• Adjustable Brightness: Brightness levels can be adjusted via PWM control, providing flexibility to meet the requirements of various visual indications and backlighting applications.
• Low Standby Current: Energy efficiency is a key consideration, and the PCA9552BS-T boasts a low standby current, making it suitable for battery-powered devices.
• Output Current Sink: Each output can sink up to 25 mA, accommodating a broad range of LED power needs.

Applications

The PCA9552BS-T is an ideal choice for a multitude of applications, including:

• Status indicators for servers, networking equipment, and telecommunications systems
• Backlighting controls for LCD displays, keypads, and buttons
• LED lighting systems requiring complex patterns and dimming capabilities
• Battery-powered devices where power conservation is critical

Technical Specifications

With a supply voltage range of 2.3 V to 5.5 V, the PCA9552BS-T is versatile enough to fit into various electrical environments. The operating temperature range of -40°C to +85°C ensures reliability across different climatic conditions. Packaged in a TSSOP24 format, it is designed for surface mounting, saving valuable board space in compact electronic assemblies.

Whether you're developing consumer electronics, automotive lighting systems, or industrial controls, the PCA9552BS-T from NXP stands out as a robust and adaptable LED driver solution.