PCA9625D

series introduction

# PCA9625D Product Series Introduction

## 1. Overview
The PCA9625D is a highly versatile and advanced integrated circuit product series designed by NXP Semiconductors. It belongs to the family of LED driver ICs, specifically tailored to meet the diverse requirements of modern lighting applications. With its exceptional features and performance, the PCA9625D offers a reliable and efficient solution for controlling multiple LEDs in various settings, from consumer electronics to industrial lighting systems.

## 2. Key Features

### 2.1 High - Density LED Control
- The PCA9625D is capable of driving up to 16 individual LEDs. This high - density control feature makes it ideal for applications where a large number of LEDs need to be managed, such as LED matrix displays, automotive interior lighting, and decorative lighting fixtures.
- Each LED output can be independently controlled, allowing for precise brightness adjustment and color mixing in RGB LED applications.

### 2.2 I²C Interface
- It utilizes the popular I²C (Inter - Integrated Circuit) bus interface for communication. This interface simplifies the connection between the PCA9625D and a microcontroller or other control devices.
- The I²C interface operates at a standard clock frequency, enabling easy integration into existing systems. It also supports multiple devices on the same bus, allowing for daisy - chaining of multiple PCA9625D chips to control an even larger number of LEDs.

### 2.3 PWM Dimming
- Pulse - Width Modulation (PWM) is used for dimming control of the LEDs. The PCA9625D offers a high - resolution PWM control, typically with a resolution of up to 8 - bit or more.
- This high - resolution PWM allows for smooth and flicker - free dimming of the LEDs, providing a more comfortable and visually appealing lighting experience. It can also be used to create dynamic lighting effects, such as fading, blinking, and color cycling.

### 2.4 Thermal Shutdown and Over - Current Protection
- To ensure the reliability and safety of the device, the PCA9625D is equipped with thermal shutdown and over - current protection features.
- The thermal shutdown mechanism automatically turns off the device when the temperature exceeds a certain threshold, preventing damage due to overheating. The over - current protection safeguards the LEDs and the IC itself from excessive current, which could otherwise lead to premature failure.

### 2.5 Low Power Consumption
- The PCA9625D is designed with power efficiency in mind. It operates at a relatively low supply voltage and consumes minimal power during normal operation.
- This low power consumption not only reduces energy costs but also makes it suitable for battery - powered applications, such as portable lighting devices and wearable electronics.

## 3. Applications

### 3.1 Consumer Electronics
- In smartphones and tablets, the PCA9625D can be used to control the backlighting of the display, as well as the indicator LEDs. Its high - resolution dimming and independent control capabilities allow for a more immersive user experience.
- For smart home devices, such as smart bulbs and light strips, the PCA9625D enables precise control of the lighting color and brightness, integrating seamlessly with home automation systems.

### 3.2 Automotive Lighting
- In automotive interior lighting, the PCA9625D can drive the dashboard LEDs, ambient lighting, and door panel lighting. Its thermal and over - current protection features ensure reliable operation in the harsh automotive environment.
- For exterior lighting applications, such as LED turn signals and brake lights, the PCA9625D can provide the necessary control and dimming functions.

### 3.3 Industrial Lighting
- In industrial control panels and machinery, the PCA9625D can

Images for reference

32-SOIC SOT287-1

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Datasheets

• PCA9625

Partlist