Overview
The PCA9635PW/Q900,118 is a 16-bit I2C-bus controlled LED driver produced by NXP USA Inc. This component is optimized for Red/Green/Blue/Amber (RGBA) color mixing applications and is particularly suited for driving LEDs in various lighting scenarios. The device features individual and group PWM control, allowing for precise brightness adjustment and dimming or blinking of LEDs.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | NXP USA Inc. |
| Package Type | TSSOP-28 |
| Number of Outputs | 16 |
| PWM Frequency | 97 kHz (individual), 24 Hz to once every 10.73 seconds (group) |
| PWM Resolution | 8-bit (256 steps) for both individual and group PWM |
| Supply Voltage | 2.3 V to 5.5 V |
| Operating Temperature | -40 °C to +85 °C |
| Interface | I2C, SMBus |
| RoHS Compliance | Yes |
| AEC-Q100 Compliance | Yes (for PCA9635PW/Q900,118) |
Key Features
- Individual and group PWM control for precise brightness adjustment and dimming or blinking of LEDs.
- 8-bit resolution (256 steps) for both individual and group PWM controllers.
- Fixed frequency of 97 kHz for individual PWM and adjustable frequency between 24 Hz to once every 10.73 seconds for group PWM.
- I2C-bus interface for easy communication and control.
- AEC-Q100 compliant, making it suitable for automotive applications.
- RoHS compliant, ensuring environmental sustainability.
Applications
- RGB or RGBA LED drivers for color mixing applications.
- LED status information and indicators.
- LED displays and signage.
- LCD backlights for various devices.
- Keypad backlights for cellular phones and handheld devices.
Q & A
- What is the PCA9635PW/Q900,118 used for?
The PCA9635PW/Q900,118 is used as a 16-bit I2C-bus controlled LED driver, optimized for RGBA color mixing applications.
- What is the package type of the PCA9635PW/Q900,118?
The package type is TSSOP-28.
- How many LED outputs does the PCA9635PW/Q900,118 have?
The device has 16 LED outputs.
- What is the PWM frequency range of the PCA9635PW/Q900,118?
The individual PWM operates at a fixed frequency of 97 kHz, while the group PWM has an adjustable frequency between 24 Hz to once every 10.73 seconds.
- What is the supply voltage range for the PCA9635PW/Q900,118?
The supply voltage range is from 2.3 V to 5.5 V.
- Is the PCA9635PW/Q900,118 RoHS compliant?
Yes, the PCA9635PW/Q900,118 is RoHS compliant.
- Is the PCA9635PW/Q900,118 AEC-Q100 compliant?
Yes, the PCA9635PW/Q900,118 is AEC-Q100 compliant, making it suitable for automotive applications.
- What are some common applications of the PCA9635PW/Q900,118?
Common applications include RGB or RGBA LED drivers, LED status information, LED displays, LCD backlights, and keypad backlights for cellular phones and handheld devices.
- How does the PCA9635PW/Q900,118 control LED brightness?
The device controls LED brightness through individual and group PWM controllers, each with 8-bit resolution (256 steps).
- What interface does the PCA9635PW/Q900,118 use for communication?
The device uses the I2C and SMBus interfaces for communication.
