Overview
The PCA9634D,118 is an 8-bit Fm+ I2C-bus LED driver produced by NXP USA Inc. This component is designed to optimize Red/Green/Blue/Amber (RGBA) color mixing applications and is highly versatile in controlling LED outputs. It features an internal 25 MHz oscillator, requiring no external components, and supports hot insertion, making it suitable for a variety of LED driving tasks.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Package Type | 20-SOIC (0.295", 7.50mm Width) |
| Supply Voltage Range | 2.3 V to 5.5 V |
| Output Voltage | 5.5 V |
| Number of Outputs | 8 |
| Output Current per Channel | 25 mA |
| Operating Temperature Range | -40°C to +85°C |
| Dimming Method | I²C |
| Internal Oscillator Frequency | 25 MHz |
| ESD Protection | Exceeds 2000 V HBM, 200 V MM, and 1000 V CDM |
| Lead Free and RoHS Status | Lead free / RoHS Compliant |
Key Features
- Programmable LED outputs with hardware blinking and dimming capabilities.
- Seven hardware address pins allowing up to 126 devices on the same I2C-bus.
- Four software programmable I2C-bus addresses for group addressing.
- Software Reset feature (SWRST Call) for resetting the device through the I2C-bus.
- No glitch on power-up and low standby current.
- Edge rate control on outputs and noise filter on SDA/SCL inputs.
- Supports hot insertion and has 5.5 V tolerant inputs.
Applications
- RGB or RGBA LED drivers for color mixing applications.
- LED status information and LED displays.
- LCD backlights and keypad backlights for cellular phones or handheld devices.
Q & A
- What is the PCA9634D,118 used for?
The PCA9634D,118 is used as an 8-bit Fm+ I2C-bus LED driver, particularly for RGB or RGBA color mixing applications.
- What is the operating voltage range of the PCA9634D,118?
The operating voltage range is from 2.3 V to 5.5 V.
- How many outputs does the PCA9634D,118 have?
The PCA9634D,118 has 8 outputs.
- What is the maximum output current per channel?
The maximum output current per channel is 25 mA.
- What are the key features of the PCA9634D,118's I2C-bus addressing?
The device has seven hardware address pins and four software programmable I2C-bus addresses, allowing for flexible addressing of multiple devices.
- Does the PCA9634D,118 support hot insertion?
Yes, the PCA9634D,118 supports hot insertion.
- What is the operating temperature range of the PCA9634D,118?
The operating temperature range is from -40°C to +85°C.
- Is the PCA9634D,118 RoHS compliant?
Yes, the PCA9634D,118 is lead free and RoHS compliant.
- What type of dimming does the PCA9634D,118 support?
The PCA9634D,118 supports I²C dimming.
- Does the PCA9634D,118 have ESD protection?
Yes, it exceeds 2000 V HBM, 200 V MM, and 1000 V CDM.
