HV9910CNG-G-M934

Product Overview

Category

The HV9910CNG-G-M934 belongs to the category of integrated circuits (ICs) used in power management applications.

Use

This IC is primarily used for driving high-brightness light-emitting diodes (LEDs) in various lighting applications.

Characteristics

• High efficiency: The HV9910CNG-G-M934 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 supports dimming control, allowing for adjustable brightness levels in LED lighting systems.
• Protection features: It incorporates various protection mechanisms such as overvoltage and overcurrent protection, ensuring safe operation.

Package

The HV9910CNG-G-M934 is available in a compact and industry-standard package, which facilitates easy integration into electronic devices.

Essence

The essence of the HV9910CNG-G-M934 lies in its ability to efficiently drive high-brightness LEDs while providing flexibility in terms of dimming control and protection features.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with a quantity per package varying based on the manufacturer's specifications.

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/SOIC-8

Detailed Pin Configuration

The HV9910CNG-G-M934 has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for regulating output current
4. DIM: Dimming control input
5. EN: Enable pin for turning the IC on/off
6. CS: Current sense pin for monitoring LED current
7. SW: Switching node connection
8. VDD: Supply voltage for internal circuitry

Functional Features

• Constant current output: The IC maintains a constant current output to ensure consistent brightness in LED lighting applications.
• Dimming control: It allows for adjustable brightness levels through analog or pulse-width modulation (PWM) dimming techniques.
• Protection mechanisms: The IC incorporates overvoltage, overcurrent, and thermal protection features to safeguard the LED and the IC itself.
• High efficiency: The HV9910CNG-G-M934 offers high power conversion efficiency, minimizing energy losses.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Wide input voltage range
• Dimming control capability
• Integrated protection features

Disadvantages

• Limited maximum output current compared to some other LED driver ICs
• Requires external components for proper operation

Working Principles

The HV9910CNG-G-M934 operates as a constant current LED driver. It regulates the LED current by adjusting the duty cycle of the internal switching regulator based on the feedback received from the FB pin. The dimming control input (DIM) allows for adjusting the brightness level by modulating the duty cycle using either an analog or PWM signal. The IC also incorporates various protection mechanisms to ensure safe operation under different conditions.

Detailed Application Field Plans

The HV9910CNG-G-M934 finds applications in various lighting systems, including: - Residential and commercial lighting - Automotive lighting - Industrial lighting - Street lighting - Signage and display lighting

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the HV9910CNG-G-M934 include: - LT3799 - LM3409 - TPS92550

These alternative models provide comparable features and can be considered as substitutes based on specific application requirements.

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