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Image for illustration purposes only,
refer to technical specifications

Manufacturer Part #

PCA9685PW,112

PCA9685 Series 25 mA 5.5 V 1 MHz 12-bit PWM Fm+I2C-Bus LED Controller - TSSOP-28

PCA9685PW,112 Datasheet
ECAD Model: Convert this file for your ECAD tool by downloading the free Library Loader. Learn more about ECAD model.
Mfr. Name:	NXP
Standard Pkg:	Product Variant Information section Available Packaging Package Qty: 51 per Tube Package Style: TSSOP-28 Mounting Method: Surface Mount
Date Code:	2405

NXP PCA9685PW,112 - Technical Attributes

Supply Voltage:	2.3V to 5.5V
Output Current per Channel:	25mA
Output Voltage:	5.5V
Switching Frequency-Max:	1MHz
Package Style:	TSSOP-28
Mounting Method:	Surface Mount

Features & Applications

The PCA9685 is an I2C-bus controlled 16-channel LED controller optimized for LCD Red/Green/Blue/Amber (RGBA) color backlighting applications. Each LED output has its own 12-bit resolution (4096 steps) fixed frequency individual PWM controller that operates at a programmable frequency from a typical of 40 Hz to 1000 Hz with a duty cycle that is adjustable from 0 % to 100 % to allow the LED to be set to a specific brightness value. All outputs are set to the same PWM frequency.

Features and benefits:

25 MHz typical internal oscillator requires no external components
External 50 MHz (max.) clock input
Internal power-on reset
Noise filter on SDA/SCL inputs
Edge rate control on outputs
No output glitches on power-up
Supports hot insertion
Low standby current
Operating power supply voltage range of 2.3 V to 5.5 V
5.5 V tolerant inputs
−40 °C to +85 °C operation

Applications:

RGB or RGBA LED drivers
LED status information
LED displays
LCD backlights
Keypad backlights for cellular phones or handheld devices