NXP USA Inc.
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PCA9691BS/1,118
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PCA9691BS/1,118

Product Overview

The PCA9691BS/1,118 belongs to the category of I2C-bus controlled 16-channel constant current LED driver. It is commonly used for controlling LED lighting applications and offers various characteristics such as high efficiency, compact package, and versatile functionality. The product is typically available in a small package size and is designed to provide precise control over LED currents.

Basic Information

  • Category: LED Driver
  • Use: Control of LED lighting applications
  • Characteristics: High efficiency, compact package, precise current control
  • Package: Small form factor
  • Essence: Provides accurate and efficient LED current control
  • Packaging/Quantity: Typically supplied in reels or tubes

Specifications

  • Input Voltage: 2.3V to 5.5V
  • Output Current: Up to 40mA per channel
  • Channels: 16
  • Interface: I2C-bus

Detailed Pin Configuration

The PCA9691BS/1,118 features a detailed pin configuration that includes pins for power supply, I2C communication, and individual LED channel outputs. The pinout provides a clear layout for easy integration into LED lighting systems.

Functional Features

  • I2C Control: Allows for easy interfacing with microcontrollers
  • Individual Channel Control: Enables precise adjustment of each LED channel
  • Constant Current Output: Ensures consistent brightness across LEDs
  • Integrated Oscillator: Simplifies external component count

Advantages and Disadvantages

Advantages

  • Precise current control
  • Compact package size
  • Versatile I2C interface

Disadvantages

  • Limited to 16 channels
  • Requires I2C communication for control

Working Principles

The PCA9691BS/1,118 operates by receiving commands through the I2C-bus interface to set the desired current levels for each LED channel. It then regulates the output current to maintain consistent brightness, providing efficient and reliable LED control.

Detailed Application Field Plans

The PCA9691BS/1,118 is well-suited for various LED lighting applications, including: - Architectural lighting - Automotive lighting - Display backlighting - Signage and decorative lighting

Detailed and Complete Alternative Models

  • PCA9956BTW,118
  • TLC5947PWPR
  • MAX7219CNG+

In conclusion, the PCA9691BS/1,118 is a versatile LED driver offering precise current control and efficient operation. Its compact package and I2C interface make it suitable for a wide range of LED lighting applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací PCA9691BS/1,118 v technických řešeních

  1. Question: What is the PCA9691BS/1,118 used for in technical solutions?
    Answer: The PCA9691BS/1,118 is a 16-channel I2C-bus controlled LED driver, commonly used for controlling LEDs in various technical applications.

  2. Question: How many channels does the PCA9691BS/1,118 have?
    Answer: The PCA9691BS/1,118 has 16 channels for driving LEDs individually.

  3. Question: What is the maximum current per channel that PCA9691BS/1,118 can handle?
    Answer: The PCA9691BS/1,118 can handle up to 25mA per channel.

  4. Question: Can PCA9691BS/1,118 be cascaded to control more than 16 channels?
    Answer: Yes, multiple PCA9691BS/1,118 devices can be cascaded to control more than 16 channels.

  5. Question: What is the supply voltage range for PCA9691BS/1,118?
    Answer: The supply voltage range for PCA9691BS/1,118 is 2.3V to 5.5V.

  6. Question: Is PCA9691BS/1,118 compatible with standard I2C interfaces?
    Answer: Yes, PCA9691BS/1,118 is compatible with standard I2C interfaces, making it easy to integrate into existing systems.

  7. Question: Can PCA9691BS/1,118 be used for dimming LEDs?
    Answer: Yes, PCA9691BS/1,118 supports PWM control, allowing for smooth dimming of LEDs.

  8. Question: What is the maximum frequency for PWM control on PCA9691BS/1,118?
    Answer: The maximum frequency for PWM control on PCA9691BS/1,118 is 152Hz.

  9. Question: Does PCA9691BS/1,118 have built-in thermal shutdown protection?
    Answer: Yes, PCA9691BS/1,118 includes built-in thermal shutdown protection to prevent damage from overheating.

  10. Question: Are there any application notes or reference designs available for using PCA9691BS/1,118?
    Answer: Yes, application notes and reference designs are available to assist in the implementation of PCA9691BS/1,118 in various technical solutions.