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PCA9634D118
+NomenclatureIC LED DRIVER LIN DIM 25MA 20SO
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FabricantNXP USA Inc.
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Pièce fabricant #PCA9634D118
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Fiche technique PCA9634D118 DataSheet
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Package SOP-20
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En stock4394
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Spécifications
| Attribut | Valeur |
| Package | Bulk |
| ProductStatus | Active |
Présentation
Description
Key features of the PCA9634D118 include the ability to control up to 8 LED channels independently, each with 256 brightness levels. It supports a maximum output current of 25 mA per channel, making it suitable for driving standard LEDs directly. The integrated PWM (Pulse Width Modulation) controller allows for fine-grained brightness adjustments and color mixing.
Additionally, the PCA9634D118 supports blinking and dimming functions for more dynamic control. It is compatible with standard I²C interfaces, and its address can be configured to avoid conflicts with other devices on the same bus.
Overall, the PCA9634D118 is an efficient solution for developers working on LED lighting projects, particularly those requiring real-time color control and brightness adjustments.
Equivalent
1. NXP PCA9685 - 16-channel, I2C-bus LED controller.
2. Texas Instruments TLC59116 - 16-channel I2C bus LED driver.
3. ON Semiconductor CAT9532 - 16-bit I2C LED driver.
4. Maxim Integrated MAX7313 - 16-port I2C LED driver.
5. Microchip MCP23008 - 8-bit I/O expander with I2C interface.
Ensure compatibility based on specific application requirements like the number of channels, current driving capacity, and package type.
Features
1. 8-bit Resolution PWM Control: Each of the 8 LED outputs can be programmed with 256 different brightness levels, allowing for precise dimming control.
2. I²C Interface: Supports a fast-mode plus (Fm+) I²C-bus interface with data rates up to 1 MHz, enabling easy integration with microcontrollers.
3. Individual and Global Dimming: Provides both individual brightness control for each LED and a global dimming function for all LEDs.
4. Open-drain Outputs: Designed to drive LEDs with open-drain outputs that can sink up to 25 mA of current per channel.
5. Low Standby Current: Features low power consumption in standby mode, making it suitable for battery-operated devices.
6. Multiple Addressing: Supports multiple device addressing, allowing up to 126 devices on the same bus.
7. Built-in Gradation Control: Facilitates smooth transitions and color mixing without additional processing.
These features make the PCA9634D118 versatile for a wide range of LED control applications, including display backlighting and decorative lighting systems.
Pinout
- SDA (Pin 1): Serial data line for I²C communication.
- SCL (Pin 2): Serial clock line for I²C communication.
- OE (Pin 9): Output enable; active low.
- VDD (Pin 20): Power supply pin.
- GND (Pin 10): Ground pin.
- LEDn (Pins 3-8, 11-18): LED driver outputs. There are 8 LED outputs, LED0 to LED7.
- ADR (Pin 19): Address pin; used for I²C address configuration.
The PCA9634D118 allows independent dimming and blinking of each LED output, allowing for flexible LED control in a variety of applications.
Manufacturer
Application
1. LED Display Panels: Used in digital signage and information boards for precise LED control.
2. Backlighting: Suitable for LCD panels and keypads in consumer electronics.
3. Automotive Lighting: Employed in interior and dashboard lighting systems for dynamic light management.
4. General Illumination: Utilized in smart lighting systems for mood and ambient lighting control.
5. Industrial Control Systems: Integrated into status indicators and control panels for machinery.
Its features, like programmable brightness and blink rates, make it versatile for managing LED-based visual outputs effectively.