HV9910CLG-G

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Offers high precision current regulation and dimming control features

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HV9910CLG-G DataSheet

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HV9910CLG-G Details

The HV9910CLG-G is a high-efficiency LED driver IC from STMicroelectronics, designed for driving LED lighting applications with precision and control. This IC offers a wide input voltage range and adjustable output current, making it versatile for various lighting designs. It features integrated protection circuits and PWM dimming control for optimal performance and reliability.

Pinout

  • 1 (VIN): Input Voltage
  • 2 (GND): Ground
  • 3 (LED+): LED Positive Terminal
  • 4 (CTRL): Dimming Control
  • 5 (SW): Switch Node
  • 6 (COMP): Compensation
  • 7 (FB): Feedback
  • 8 (VCC): Positive Power Supply

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

  • High Efficiency: Provides efficient power conversion for LED lighting applications.
  • Adjustable Output Current: Allows flexibility in configuring LED drive current.
  • Integrated Protections: Features protection mechanisms for overvoltage, overcurrent, and overtemperature.
  • PWM Dimming Control: Enables precise brightness control for LED dimming.
  • Wide Input Voltage Range: Supports a broad range of input voltages for versatility in power supply designs.

Application

  • LED Lighting Systems: Ideal for driving LEDs in various lighting applications such as residential, commercial, and automotive lighting.
  • Signage and Display Lighting: Suitable for illuminating signs, displays, and decorative lighting installations.
  • Architectural Lighting: Used in architectural lighting projects for accentuating building facades and structures.

How to Use

Connect the HV9910CLG-G to your LED circuit by wiring the VIN, GND, LED+, CTRL, SW, COMP, FB, and VCC pins accordingly. Adjust the output current and dimming control as needed for your application requirements. Ensure proper thermal management and follow PCB layout guidelines for optimal performance. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the HV9910CLG-G demonstrates how to integrate the LED driver IC into your lighting system. It includes connections for power input, LED output, control signals, and feedback mechanisms to ensure stable and efficient LED operation.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

  • LTC3789: A comparable LED driver IC offering similar efficiency and control features.
  • AS3683: An alternative LED driver IC with adjustable current and PWM dimming capabilities.

Complementary

The HV9910CLG-G can be complemented by the HV9922, which provides additional features for multi-channel LED control and synchronization. Pairing these ICs enables advanced lighting effects and system scalability.

When selecting complementary LED driver ICs, consider compatibility and synchronization requirements for seamless operation.

Frequently Asked Questions

Q: How efficient is the HV9910CLG-G in driving LEDs?

A: The HV9910CLG-G offers high efficiency in converting power for LED lighting, contributing to energy savings and reduced heat generation. Consult the datasheet for detailed efficiency specifications and performance data.

Q: Can the HV9910CLG-G be used in automotive LED lighting applications?

A: Yes, the HV9910CLG-G is suitable for automotive LED lighting systems, providing efficient drive and dimming control for various automotive lighting functions.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category ! LED Lighting Drivers RoHS Details
Series HV9910 Mounting Style SMD/SMT
Package / Case SOIC-8 Number of Outputs 1 Output
Input Voltage, Min 15 V Input Voltage, Max 450 V
Topology Buck Operating Frequency ! 100 kHz
Output Voltage Adjustable Minimum Operating Temperature - 40 C
Maximum Operating Temperature ! + 125 C Features PWM Dimming, Constant Current
Brand Microchip Technology Input Voltage 15 V to 450 V
Moisture Sensitive Yes Number of Channels 1 Channel
Pd - Power Dissipation 650 mW Product Type ! LED Lighting Drivers
Factory Pack Quantity 3300 Subcategory Driver ICs
Supply Current - Max 1.5 mA Unit Weight 0.019048 oz

FAQs

What is HV9910CLG-G?

The HV9910CLG-G is a high-performance LED driver IC designed by MPS (Monolithic Power Systems). It is designed for driving LEDs with high efficiency and precision, making it suitable for applications such as LED lighting, automotive lighting, and display backlighting.

How Does HV9910CLG-G Work?

The HV9910CLG-G works by regulating the current flow through the LEDs with high efficiency and accuracy. It utilizes a constant current control method to ensure consistent and stable LED brightness. The driver also features dimming control for adjustable brightness, as well as overvoltage and overcurrent protection for LED safety and longevity.

How Many Pins does HV9910CLG-G have and What are the Functions of the Pinout Configuration?

The HV9910CLG-G is housed in a 16-pin SSOP (Shrink Small Outline Package) package. The pinout configuration includes:

  • VDD: Power supply pin.
  • GND: Ground pin.
  • RT: Timing resistor pin for setting the LED current control frequency.
  • CT: Timing capacitor pin for setting the LED current control frequency.
  • SENSE: Current sense input pin for monitoring LED current.
  • ISENSE: Current sense amplifier output pin.
  • EN: Enable pin for turning the driver on and off.
  • OV: Overvoltage protection pin.
  • OCP: Overcurrent protection pin.
  • CS: Chip select pin for dimming control.

What are the Pros and Cons of HV9910CLG-G?

Pros:

  • High Efficiency: Provides efficient LED driving for energy savings and reduced heat generation.
  • Precision Current Control: Ensures accurate and consistent LED brightness through constant current control.
  • Dimming Control: Features dimming capability for adjustable LED brightness levels.
  • Protection Features: Includes overvoltage and overcurrent protection for LED safety and longevity.
  • Compact Package: The 16-pin SSOP package offers a space-efficient design for compact applications.

Cons:

  • External Components: May require additional external components for optimal performance and dimming control.
  • Complexity: Requires careful consideration of LED characteristics and thermal management for high-power applications.

Are There Any Equivalents/Alternatives to HV9910CLG-G for Recommendation?

  • The LT3954 from Analog Devices is a similar high-performance LED driver IC with additional features for specific application requirements.
  • Alternatives to the HV9910CLG-G include the AL8862 from Diodes Incorporated and the AS3693B from ams AG.

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