NXP USA Inc.
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PCA9703PW,112
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PCA9703PW,112

Product Overview

  • Category: Integrated Circuit
  • Use: LED Driver
  • Characteristics: High efficiency, compact design
  • Package: TSSOP
  • Essence: Efficiently drives LEDs in various applications
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage: 4.5V to 40V
  • Output Current: Up to 1A
  • Switching Frequency: 200kHz to 2MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The PCA9703PW,112 has a total of 20 pins, including power supply, control, and output pins. The pin configuration is as follows: 1. VCC 2. GND 3. IN 4. OUT 5. EN 6. ...

Functional Features

  • High Efficiency: Provides efficient LED driving with minimal power loss
  • PWM Dimming Control: Allows precise control over LED brightness
  • Overcurrent Protection: Safeguards LEDs from excessive current

Advantages and Disadvantages

  • Advantages:
    • Compact size
    • Wide input voltage range
    • PWM dimming capability
  • Disadvantages:
    • Limited maximum output current

Working Principles

The PCA9703PW,112 utilizes a buck converter topology to efficiently drive LEDs. It regulates the output current based on the input voltage and PWM control signal, ensuring consistent and reliable LED illumination.

Detailed Application Field Plans

This LED driver is suitable for various applications, including: - Automotive lighting - Industrial lighting - Architectural lighting - Display backlighting

Detailed and Complete Alternative Models

  • Alternative Model 1: PCA9633PW,112
    • Category: Integrated Circuit
    • Use: LED Driver
    • Characteristics: Low power consumption, small footprint
  • Alternative Model 2: PCA9685PW,112
    • Category: Integrated Circuit
    • Use: LED Driver
    • Characteristics: 16-channel PWM control, I2C interface

In conclusion, the PCA9703PW,112 is a versatile LED driver offering high efficiency and precise control, making it suitable for diverse lighting applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací PCA9703PW,112 v technických řešeních

  1. What is the PCA9703PW,112?

    • The PCA9703PW,112 is a high-speed, low-power, 8-channel I2C-bus and SMBus I/O expander for LED dimming and fan control applications.

  2. What is the maximum frequency supported by PCA9703PW,112?

    • The PCA9703PW,112 supports a maximum frequency of 400 kHz for I2C communication.

  3. How many channels does the PCA9703PW,112 support?

    • The PCA9703PW,112 supports 8 channels for LED dimming or fan control.

  4. What is the input voltage range for PCA9703PW,112?

    • The input voltage range for PCA9703PW,112 is typically 2.3 V to 5.5 V.

  5. Can PCA9703PW,112 be used for PWM control of LEDs?

    • Yes, PCA9703PW,112 can be used for PWM control of LEDs, making it suitable for various lighting applications.

  6. Is PCA9703PW,112 suitable for automotive applications?

    • Yes, PCA9703PW,112 is suitable for automotive applications due to its robust design and wide operating temperature range.

  7. What are the key features of PCA9703PW,112?

    • The key features of PCA9703PW,112 include 8-bit PWM resolution, individual LED brightness control, and thermal shutdown protection.

  8. Does PCA9703PW,112 have built-in ESD protection?

    • Yes, PCA9703PW,112 has built-in ESD protection, enhancing its reliability in harsh environments.

  9. Can PCA9703PW,112 be cascaded for expanding the number of channels?

    • Yes, PCA9703PW,112 can be cascaded with other devices to expand the number of channels for larger-scale applications.

  10. What are the typical applications of PCA9703PW,112?

    • Typical applications of PCA9703PW,112 include LED backlighting, automotive interior lighting, and industrial control systems.