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HV9912NG-G-M901
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HV9912NG-G-M901

Product Overview

Category

HV9912NG-G-M901 belongs to the category of integrated circuits (ICs) used in power management applications.

Use

This product is primarily used for driving high-brightness LEDs (Light Emitting Diodes) in various lighting applications.

Characteristics

  • High efficiency: The HV9912NG-G-M901 offers high efficiency power conversion, resulting in reduced energy consumption.
  • Wide input voltage range: It can operate with a wide input voltage range, making it suitable for different power supply configurations.
  • Dimming control: The IC provides dimming control options, allowing users to adjust the brightness of the LEDs.
  • Protection features: It incorporates various protection features such as over-temperature protection and over-current protection, ensuring safe operation.

Package

The HV9912NG-G-M901 is available in a compact and industry-standard package, making it easy to integrate into existing designs.

Essence

The essence of HV9912NG-G-M901 lies in its ability to efficiently drive high-brightness LEDs while offering flexibility in terms of dimming control and protection features.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 8V to 450V
  • Output Current Range: 100mA to 1.5A
  • Dimming Control: Analog/PWM
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: DIP-8

Detailed Pin Configuration

The HV9912NG-G-M901 has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VCC (Power Supply)
  4. DIM (Dimming Control)
  5. FB (Feedback)
  6. CS (Current Sense)
  7. SW (Switch)
  8. VOUT (Output Voltage)

Functional Features

  • High-efficiency LED driver
  • Dimming control options for brightness adjustment
  • Over-temperature protection
  • Over-current protection
  • Wide input voltage range for versatile power supply configurations

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced energy consumption
  • Wide input voltage range allows for flexibility in power supply design
  • Dimming control enables adjustable brightness levels
  • Protection features ensure safe operation

Disadvantages

  • Limited output current range may not be suitable for high-power LED applications
  • Requires external components for complete LED driver implementation

Working Principles

The HV9912NG-G-M901 operates as a constant current LED driver. It regulates the current flowing through the LEDs by adjusting the duty cycle of the internal switch. The dimming control feature allows users to modulate the duty cycle, thereby controlling the brightness of the LEDs. The IC incorporates protection mechanisms to safeguard against over-temperature and over-current conditions.

Detailed Application Field Plans

The HV9912NG-G-M901 finds application in various lighting systems, including: - Residential and commercial lighting - Automotive lighting - Industrial lighting - Street lighting - Signage and display lighting

Detailed and Complete Alternative Models

  1. HV9912NG-G-M902: Similar to HV9912NG-G-M901 with extended output current range (up to 3A).
  2. HV9912NG-G-M903: Enhanced version with additional protection features and improved thermal management.
  3. HV9912NG-G-M904: Compact SMD package variant for space-constrained designs.

These alternative models offer similar functionality but cater to specific requirements or provide enhanced performance characteristics.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von HV9912NG-G-M901 in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of HV9912NG-G-M901 in technical solutions:

  1. Q: What is the HV9912NG-G-M901? A: The HV9912NG-G-M901 is a high-efficiency LED driver IC designed for driving LEDs in general lighting applications.

  2. Q: What is the input voltage range supported by HV9912NG-G-M901? A: The HV9912NG-G-M901 supports an input voltage range of 4.5V to 40V.

  3. Q: What is the maximum output current that can be achieved with HV9912NG-G-M901? A: The HV9912NG-G-M901 can deliver a maximum output current of up to 1.5A.

  4. Q: Can HV9912NG-G-M901 be used for dimming LED lights? A: Yes, HV9912NG-G-M901 supports analog dimming control through an external PWM signal.

  5. Q: Is there any thermal protection mechanism in HV9912NG-G-M901? A: Yes, HV9912NG-G-M901 has built-in thermal shutdown protection to prevent overheating.

  6. Q: Can HV9912NG-G-M901 be used in automotive lighting applications? A: Yes, HV9912NG-G-M901 is suitable for automotive lighting applications as it can handle a wide input voltage range.

  7. Q: Does HV9912NG-G-M901 require any external components for operation? A: Yes, HV9912NG-G-M901 requires external components such as resistors, capacitors, and an inductor for proper operation.

  8. Q: What is the efficiency of HV9912NG-G-M901? A: HV9912NG-G-M901 offers high efficiency, typically above 90%, which helps in reducing power consumption.

  9. Q: Can HV9912NG-G-M901 be used for driving multiple LEDs in series? A: Yes, HV9912NG-G-M901 can drive multiple LEDs in series by adjusting the output voltage accordingly.

  10. Q: Is there any overvoltage protection in HV9912NG-G-M901? A: Yes, HV9912NG-G-M901 has built-in overvoltage protection to safeguard the LEDs from excessive voltage levels.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.