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HV9911NG-G-M934
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HV9911NG-G-M934

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: LED Driver
  • Characteristics: High Efficiency, Constant Current Control
  • Package: SOP-8
  • Essence: Switching Regulator
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Voltage Range: 0.3V to 38V
  • Maximum Output Current: 1.5A
  • Switching Frequency: 200kHz to 1MHz
  • Dimming Control: Analog/PWM
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The HV9911NG-G-M934 IC has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for current control
  4. DIM: Dimming control input pin
  5. EN: Enable pin for turning on/off the IC
  6. VCC: Power supply pin for internal circuitry
  7. SW: Switching node pin
  8. LX: Inductor connection pin

Functional Features

  • High efficiency due to switching regulator design
  • Constant current control for driving LEDs
  • Wide input voltage range allows for versatile applications
  • Dimming control options for brightness adjustment
  • Enable pin for easy on/off control

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Constant current control ensures stable LED performance - Wide input voltage range provides flexibility in power source selection - Dimming control allows for customized lighting levels - Enable pin simplifies system integration

Disadvantages: - Requires additional external components for operation - Limited maximum output current of 1.5A

Working Principles

The HV9911NG-G-M934 is a switching regulator IC specifically designed for driving LEDs. It operates by converting the input voltage to a high-frequency AC signal, which is then rectified and filtered to provide a stable DC output voltage. The IC incorporates a constant current control mechanism to ensure that the connected LEDs receive a consistent current, resulting in uniform brightness.

Detailed Application Field Plans

The HV9911NG-G-M934 LED driver IC finds applications in various fields, including:

  1. General lighting: Used in residential, commercial, and industrial lighting fixtures.
  2. Automotive lighting: Enables efficient and reliable LED lighting in vehicles.
  3. Display backlighting: Provides precise control over LED brightness in displays.
  4. Signage and advertising: Powers LED-based signs and billboards.
  5. Street lighting: Offers energy-efficient solutions for outdoor lighting.

Detailed and Complete Alternative Models

  1. HV9910NG-G-M934: Similar to HV9911NG-G-M934 but with a lower maximum output current of 1A.
  2. HV9912NG-G-M934: Similar to HV9911NG-G-M934 but with a higher maximum output current of 2A.
  3. HV9913NG-G-M934: Similar to HV9911NG-G-M934 but with additional dimming control options.

(Note: This list is not exhaustive and other alternative models may exist.)

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技術ソリューションにおける HV9911NG-G-M934 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of HV9911NG-G-M934 in technical solutions:

Q1: What is HV9911NG-G-M934? A1: HV9911NG-G-M934 is a high-efficiency LED driver IC that can be used in various lighting applications.

Q2: What is the input voltage range for HV9911NG-G-M934? A2: The input voltage range for HV9911NG-G-M934 is typically between 4.5V and 40V.

Q3: What is the maximum output current supported by HV9911NG-G-M934? A3: HV9911NG-G-M934 can support a maximum output current of up to 1.5A.

Q4: Can HV9911NG-G-M934 be used for dimming LED lights? A4: Yes, HV9911NG-G-M934 has built-in dimming control features that allow for easy dimming of LED lights.

Q5: Is HV9911NG-G-M934 suitable for both AC and DC input applications? A5: Yes, HV9911NG-G-M934 can be used in both AC and DC input applications.

Q6: Does HV9911NG-G-M934 have over-temperature protection? A6: Yes, HV9911NG-G-M934 has built-in over-temperature protection to ensure safe operation.

Q7: Can HV9911NG-G-M934 be used in automotive lighting applications? A7: Yes, HV9911NG-G-M934 is suitable for automotive lighting applications due to its wide input voltage range and high efficiency.

Q8: What is the typical efficiency of HV9911NG-G-M934? A8: HV9911NG-G-M934 has a typical efficiency of around 90%, making it highly efficient for LED lighting applications.

Q9: Does HV9911NG-G-M934 require any external components for operation? A9: Yes, HV9911NG-G-M934 requires a few external components such as resistors, capacitors, and an inductor for proper operation.

Q10: Can HV9911NG-G-M934 be used in constant current or constant voltage mode? A10: HV9911NG-G-M934 is primarily designed for constant current mode operation, but it can also be used in constant voltage mode with appropriate circuit design.