Overview
The PCA9634D,112 is an 8-bit Fm+ I²C-bus LED driver produced by NXP USA Inc. This component is optimized for Red/Green/Blue/Amber (RGBA) color mixing applications, making it ideal for various lighting and display solutions. The PCA9634D is part of the PCA9634 series, which offers advanced features for LED control and dimming.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SO20 |
| Status | No Longer Manufactured |
| PbFree | Yes |
| EU RoHS | Yes |
| Halogen Free | - |
| RHF Indicator | G |
| REACH SVHC | Yes |
| Number of LED Outputs | 8 |
| LED Output Resolution | 8-bit (256 steps) |
| Individual PWM Frequency | 97 kHz |
| Group PWM Frequency | 190 Hz (adjustable from 24 Hz to once every 10.73 seconds) |
| Operating Voltage Range | 2.3 V to 5.5 V |
| Operating Temperature Range | -40°C to +85°C |
| ESD Protection | 2000 V HBM, 200 V MM, 1000 V CDM |
Key Features
- Each LED output has its own 8-bit resolution (256 steps) fixed frequency Individual PWM controller
- An additional 8-bit resolution (256 steps) Group PWM controller for dimming or blinking all LEDs
- LED outputs programmable to be off, on, or set at individual or group PWM controller values
- Open-drain or totem-pole output configuration with 25 mA current sink capability at 5 V
- 7 hardware address pins allowing 126 devices to be connected to the same I²C-bus
- 4 software programmable I²C-bus addresses for group addressing
- Software Reset feature (SWRST Call) through the I²C-bus
- Internal power-on reset and noise filter on SDA/SCL inputs
- Support for hot insertion and low standby current
Applications
- RGB or RGBA LED drivers
- LED status information
- LED displays
- LCD backlights
- Keypad backlights for cellular phones or handheld devices
Q & A
- What is the PCA9634D,112 used for? The PCA9634D,112 is used for controlling and dimming LEDs in various applications, including RGB or RGBA color mixing.
- What is the package type of the PCA9634D,112? The package type is SO20.
- Is the PCA9634D,112 PbFree and EU RoHS compliant? Yes, it is PbFree and EU RoHS compliant.
- What is the resolution of the Individual PWM controller for each LED output? Each LED output has an 8-bit resolution (256 steps).
- What is the frequency range of the Group PWM controller? The Group PWM controller operates at a fixed frequency of 190 Hz and is adjustable from 24 Hz to once every 10.73 seconds.
- What is the operating voltage range of the PCA9634D,112? The operating voltage range is from 2.3 V to 5.5 V.
- What is the operating temperature range of the PCA9634D,112? The operating temperature range is from -40°C to +85°C.
- Does the PCA9634D,112 support hot insertion? Yes, it supports hot insertion.
- How many devices can be connected to the same I²C-bus using the PCA9634D,112? Up to 126 devices can be connected using the 7 hardware address pins.
- What kind of ESD protection does the PCA9634D,112 have? It has ESD protection exceeding 2000 V HBM, 200 V MM, and 1000 V CDM.
