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HV881K7-G
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HV881K7-G

Product Overview

Category

HV881K7-G belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for controlling and driving high-power LEDs in various applications.

Characteristics

  • High power handling capability
  • Efficient LED driving
  • Compact size
  • Low power consumption
  • Wide operating voltage range

Package

The HV881K7-G is available in a compact surface-mount package, making it suitable for space-constrained designs.

Essence

The essence of HV881K7-G lies in its ability to provide efficient and reliable control and driving capabilities for high-power LEDs.

Packaging/Quantity

The HV881K7-G is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

  • Input Voltage Range: 3.3V - 5V
  • Output Current Range: 500mA - 1A
  • Operating Temperature Range: -40°C to +85°C
  • Dimming Control: PWM (Pulse Width Modulation)
  • Protection Features: Over-temperature, over-voltage, and short-circuit protection

Detailed Pin Configuration

The HV881K7-G features the following pin configuration:

  1. VDD: Power supply input
  2. GND: Ground reference
  3. DIM: Dimming control input
  4. OUT: LED output

Functional Features

  • High-efficiency LED driving
  • Adjustable dimming control through PWM signal
  • Built-in protection features for enhanced reliability
  • Wide input voltage range for versatile applications
  • Compact size for space-constrained designs

Advantages and Disadvantages

Advantages

  • Efficient LED driving
  • Compact size
  • Wide input voltage range
  • Built-in protection features

Disadvantages

  • Limited output current range
  • Requires external dimming control signal

Working Principles

The HV881K7-G operates by converting the input voltage into a regulated current source for driving high-power LEDs. It utilizes PWM dimming control to adjust the brightness of the LEDs. The integrated protection features ensure safe operation and prevent damage to the LEDs and the IC itself.

Detailed Application Field Plans

The HV881K7-G finds applications in various fields, including: 1. Automotive lighting 2. Industrial lighting 3. Architectural lighting 4. Signage and display lighting 5. General illumination

Detailed and Complete Alternative Models

  1. HV881K6-G: Similar to HV881K7-G with a lower output current range (300mA - 800mA).
  2. HV882K7-G: Similar to HV881K7-G with additional features such as thermal shutdown protection and adjustable current limit.

Note: This is not an exhaustive list, and there may be other alternative models available from different manufacturers.

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Navedite 10 uobičajenih pitanja i odgovora vezanih uz primjenu HV881K7-G u tehničkim rješenjima

Sure! Here are 10 common questions and answers related to the application of HV881K7-G in technical solutions:

  1. Q: What is HV881K7-G? A: HV881K7-G is a high-voltage LED driver IC designed for driving LEDs in various lighting applications.

  2. Q: What is the input voltage range supported by HV881K7-G? A: HV881K7-G supports an input voltage range from 4.5V to 40V, making it suitable for a wide range of power supply configurations.

  3. Q: How many LEDs can HV881K7-G drive? A: HV881K7-G can drive up to 7 series-connected LEDs with a maximum current of 100mA per LED.

  4. Q: Can HV881K7-G dim the LEDs? A: Yes, HV881K7-G supports PWM dimming, allowing precise control of LED brightness.

  5. Q: Is HV881K7-G compatible with both analog and digital dimming methods? A: No, HV881K7-G only supports analog dimming using a PWM signal.

  6. Q: Does HV881K7-G have built-in protection features? A: Yes, HV881K7-G includes over-temperature protection (OTP) and over-voltage protection (OVP) to ensure safe operation.

  7. Q: Can HV881K7-G be used in automotive lighting applications? A: Yes, HV881K7-G is suitable for automotive lighting applications as it can withstand high-voltage transients and has a wide operating temperature range.

  8. Q: What is the typical efficiency of HV881K7-G? A: HV881K7-G has a typical efficiency of around 90%, ensuring efficient power conversion and minimizing heat dissipation.

  9. Q: Does HV881K7-G require any external components for operation? A: Yes, HV881K7-G requires a few external components such as resistors, capacitors, and an inductor to form a complete LED driver circuit.

  10. Q: Is HV881K7-G RoHS compliant? A: Yes, HV881K7-G is RoHS compliant, meaning it meets the requirements of the Restriction of Hazardous Substances directive.

Please note that these answers are general and may vary depending on the specific application and implementation of HV881K7-G.