Overview
The PCA9622DR,118 from NXP USA Inc. is a 16-bit I2C-bus controlled LED driver, optimized for voltage switch dimming and blinking of Red/Green/Blue/Amber (RGBA) LEDs. This component is designed to provide precise control over LED brightness and blinking patterns, making it suitable for a variety of lighting applications. The PCA9622 operates with a supply voltage range of 2.3 V to 5.5 V and features open-drain outputs that can sink up to 100 mA and tolerate voltages up to 40 V.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Package | 32-TSSOP (0.240", 6.10mm Width) |
| Supply Voltage Range | 2.3 V to 5.5 V |
| Output Current per Channel | Up to 100 mA |
| Maximum Off-State Voltage | 40 V |
| PWM Frequency (Individual) | 97 kHz |
| PWM Frequency (Group) | 190 Hz (fixed), adjustable from 24 Hz to 10.73 s |
| PWM Resolution | 256 steps (8-bit) for both individual and group control |
| Number of Hardware Address Pins | 7 (allowing 126 devices on the same I2C-bus) |
Key Features
- 16-bit I2C-bus controlled LED driver with individual and group PWM control.
- 256-step (8-bit) linear programmable brightness per LED output and group brightness control.
- Group blinking with frequency programmable from 24 Hz to 10.73 seconds and duty cycle from 0% to 99.6%.
- Open-drain outputs can sink up to 100 mA and are tolerant to a maximum off-state voltage of 40 V.
- Active LOW Output Enable (OE) input pin for hardware blinking and dimming of the LEDs.
- Seven hardware address pins allowing 126 PCA9622 devices to be connected to the same I2C-bus and individually programmed.
Applications
The PCA9622DR,118 is suitable for various lighting applications, including but not limited to:
- RGB/RGBA LED lighting systems.
- Automotive lighting systems.
- Industrial lighting control systems.
- Consumer electronics with advanced lighting features.
- Display backlighting and signage.
Q & A
- What is the PCA9622DR,118 used for?
The PCA9622DR,118 is used as a 16-bit I2C-bus controlled LED driver for precise control over LED brightness and blinking patterns.
- What is the supply voltage range of the PCA9622DR,118?
The supply voltage range is from 2.3 V to 5.5 V.
- How many LEDs can be controlled by the PCA9622DR,118?
The PCA9622DR,118 can control up to 16 LEDs.
- What is the resolution of the PWM control for each LED?
The PWM control for each LED has a resolution of 256 steps (8-bit).
- Can multiple PCA9622 devices be connected to the same I2C-bus?
- What is the maximum current each output can sink?
Each output can sink up to 100 mA.
- What is the maximum off-state voltage the outputs can tolerate?
The outputs can tolerate a maximum off-state voltage of 40 V.
- How is the group blinking frequency controlled?
The group blinking frequency can be programmed from 24 Hz to 10.73 seconds.
- Is the PCA9622DR,118 RoHS compliant?
Yes, the PCA9622DR,118 is RoHS compliant.
- What package type does the PCA9622DR,118 come in?
The PCA9622DR,118 comes in a 32-TSSOP package.
