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PCA9685BS,118

C Bus PCA9685BS,118

Inventory:6,642

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Overview of PCA9685BS,118

The PCA9685BS,118 is a 16-channel I2C-bus controlled LED controller IC designed to provide PWM control of LED brightness for various lighting and display applications. It offers individual LED brightness control and 12-bit resolution for smooth intensity adjustments.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VCC: Positive Power Supply
  • GND: Ground
  • SDA: I2C-bus Serial Data Input/Output
  • SCL: I2C-bus Serial Clock Input
  • nOE: Output Enable
  • nSYNC: Master Reset

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the PCA9685BS,118 IC for a visual representation.

Key Features

  • 16-Channel PWM Control: Provides independent PWM control of up to 16 LED outputs for precise brightness modulation.
  • 12-Bit Resolution: Offers high-resolution brightness adjustments for smooth and accurate LED intensity control.
  • I2C Compatible: Supports the widely used I2C communication protocol for easy integration with microcontrollers and other devices.
  • Output Enable Function: Includes an output enable pin for convenient control of LED output states.
  • Master Reset: Features a master reset pin for synchronized and controlled reset of the LED outputs.

Note: For detailed technical specifications, please refer to the PCA9685BS,118 datasheet.

Application

  • LED Lighting Control: Suitable for controlling the brightness and intensity of LED lighting systems in automotive, architectural, and decorative lighting applications.
  • Display Backlighting: Ideal for managing LED backlighting in displays, signage, and consumer electronic products.
  • Mood Lighting: Used in mood or ambient lighting setups where precise control of LED brightness is required for creating different atmospheres.

Functionality

The PCA9685BS,118 enables precise control of LED brightness through its 16-channel PWM control, making it suitable for various lighting and display applications requiring smooth intensity adjustments.

Usage Guide

  • Power Supply: Connect VCC (Pin) to the positive supply voltage and GND (Pin) to ground.
  • I2C Connection: Interface the SDA (Pin) and SCL (Pin) pins with the microcontroller's I2C bus for communication.
  • Output Control: Utilize the nOE and nSYNC pins to enable/disable LED outputs and perform master reset functions, respectively.

Frequently Asked Questions

Q: Can the PCA9685BS,118 control RGB LEDs?
A: Yes, the PCA9685BS,118 can control RGB LEDs by independently adjusting the brightness of each color channel using PWM control.

Q: Is the PCA9685BS,118 suitable for automotive lighting applications?
A: Yes, the PCA9685BS,118 can be used to control LED brightness in automotive lighting systems, providing precise intensity control for various lighting functions.

Equivalent

For similar functionalities, consider these alternatives to the PCA9685BS,118:

  • PCA9635PW,112: This LED driver IC from NXP Semiconductors offers similar features and compatibility with I2C communication.
  • SY58040UMI,TR: This LED controller from STMicroelectronics provides comparable functionality and performance for LED brightness control applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

isSample true sampleItemType ITEM_TYPE_SAMPLE
leadTime 19 exclusiveItemType ITEM_TYPE_SAMPLE
minPackQty 4000 isExSample true
orderingCode 935287058118 isDistributor true
salesNum PCA9685BS,118 pack_type REEL
price_flg Y pack_desc Reel 13" Q1/T1
status Active

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