PCA9635PW,118 - NXP USA Inc.

Manufacturer Part Number

PCA9635PW,118

Manufacturer

NXP Semiconductors

Introduction

The PCA9635PW,118 is a programmable LED driver designed for controlling and dimming up to 16 LED channels. Suitable for backlighting applications.

Product Features and Performance

16 LED outputs with programmable blink and dimming

Selectable I2C-bus addresses

Built-in oscillator for PWM control

Outputs can be controlled independently

Noise filter on SDA/SCL inputs

Thermal shutdown protection

Enhanced ESD protection

Product Advantages

Enables control of large LED arrays

High resolution (256 steps) for brightness control

Supports software dimming and blink rate control

Low standby current

Supports both constant voltage and constant current drive modes

Key Technical Parameters

Supply Voltage (Min): 2.3V

Supply Voltage (Max): 5.5V

Output Voltage: 5.5V

Output Current per Channel: 25mA

PWM Frequency: 100kHz ~ 1MHz

I2C bus frequency: 1 MHz

Operating Temperature Range: -40°C to +85°C

Quality and Safety Features

Overtemperature shutdown

Output current limiting

Thermal overload protection

Compatibility

Compatible with I2C bus standards

Can be used with 5 V and 3.3 V logic interfaces

Application Areas

Backlight control for LCD displays

Ambient light applications

LED signage and advertising

Gaming machines

Product Lifecycle

Product Status: Active

Not nearing discontinuation

Replacements or upgrades may be available

Several Key Reasons to Choose This Product

Low power consumption enhances battery life for portable devices

Increased flexibility due to individually adjustable LED outputs

I2C interface provides easy integration with most microcontrollers

Support for fast I2C interface allows for high data rates

Supports advanced features like software programmable LED response

Designed by a reputable manufacturer in semiconductor industry, NXP Semiconductors