規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | DC DC Controller |
| Topology | Step-Down (Buck) |
| InternalSwitch(s) | No |
| NumberofOutputs | 1 |
| Voltage-Supply(Min) | 8V |
| Voltage-Supply(Max) | 450V |
| Frequency | 25kHz, 100kHz |
| Dimming | Analog, PWM |
| Applications | Backlight, Lighting, Signage |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The HV9910BLG-G is a versatile and compact integrated circuit designed for driving high-brightness LEDs. It functions as a PWM (Pulse Width Modulation) controller, allowing for efficient regulation of LED brightness and current. This IC can operate over a wide input voltage range, making it suitable for various applications, including automotive, architectural, and general lighting systems.
Key features of the HV9910BLG-G include its high efficiency, adjustable output current, and built-in protection mechanisms such as over-temperature and over-current protection. It supports both continuous and discontinuous conduction modes, enhancing its flexibility in different circuit designs. Additionally, the HV9910BLG-G enables dimming control via its PWM input, allowing for smooth and precise adjustment of LED brightness.
The device is usually housed in a compact package, facilitating easy integration into space-constrained designs. Its robust performance and reliability make it a popular choice among designers looking to implement energy-efficient and high-performance LED driver solutions.
Key features of the HV9910BLG-G include its high efficiency, adjustable output current, and built-in protection mechanisms such as over-temperature and over-current protection. It supports both continuous and discontinuous conduction modes, enhancing its flexibility in different circuit designs. Additionally, the HV9910BLG-G enables dimming control via its PWM input, allowing for smooth and precise adjustment of LED brightness.
The device is usually housed in a compact package, facilitating easy integration into space-constrained designs. Its robust performance and reliability make it a popular choice among designers looking to implement energy-efficient and high-performance LED driver solutions.
Equivalent
The HV9910BLG-G is a high-voltage LED driver IC. Equivalent products include the Supertex HV9910, Microchip HV9910, and similar high-voltage LED driver ICs from manufacturers like Texas Instruments (LM3409) or ON Semiconductor (NCP3066). Always verify the specifications such as input voltage range, output current, and dimming capabilities to ensure compatibility.
Features
The HV9910BLG-G is a switch-mode LED driver IC designed for driving high-brightness LEDs. Key features include:
1. Wide Input Voltage Range: Operates from 8V to 450V DC, making it suitable for a variety of applications.
2. Constant Current Output: Provides precise current regulation for consistent LED brightness and performance.
3. High Efficiency: Capable of delivering high power efficiency, which reduces thermal management requirements.
4. PWM Dimming Capability: Supports pulse-width modulation dimming for flexible brightness control.
5. Internal 15V Regulator: Simplifies design by providing a regulated voltage for internal circuitry.
6. Low EMI: Designed to minimize electromagnetic interference, which is important for maintaining signal integrity in sensitive applications.
7. Protection Features: Includes thermal shutdown, overload protection, and under-voltage lockout to ensure reliable operation.
8. Integrated MOSFET Driver: Reduces the need for external components, simplifying the overall design.
These features make the HV9910BLG-G an excellent choice for driving LEDs in a wide range of lighting applications, including automotive, architectural, and general illumination.
1. Wide Input Voltage Range: Operates from 8V to 450V DC, making it suitable for a variety of applications.
2. Constant Current Output: Provides precise current regulation for consistent LED brightness and performance.
3. High Efficiency: Capable of delivering high power efficiency, which reduces thermal management requirements.
4. PWM Dimming Capability: Supports pulse-width modulation dimming for flexible brightness control.
5. Internal 15V Regulator: Simplifies design by providing a regulated voltage for internal circuitry.
6. Low EMI: Designed to minimize electromagnetic interference, which is important for maintaining signal integrity in sensitive applications.
7. Protection Features: Includes thermal shutdown, overload protection, and under-voltage lockout to ensure reliable operation.
8. Integrated MOSFET Driver: Reduces the need for external components, simplifying the overall design.
These features make the HV9910BLG-G an excellent choice for driving LEDs in a wide range of lighting applications, including automotive, architectural, and general illumination.
Pinout
The HV9910BLG-G is a high-brightness LED driver IC with an 8-pin configuration. It is designed for driving high-brightness LEDs with a constant current. Here's a brief overview of its pin functions:
1. VDD: Provides the supply voltage to the IC.
2. GND: Ground reference for the IC.
3. PWMD: Pulse Width Modulation dimming input.
4. COMP: Compensation pin for setting the control loop frequency.
5. CS: Current sense input for measuring the LED current.
6. GATE: Drives the gate of an external MOSFET to control LED current.
7. RT: Resistor timing pin for setting the switching frequency.
8. LD: Linear dimming control input for adjusting LED brightness.
This IC is particularly suited for applications requiring efficient and precise control of LED brightness, such as in lighting systems.
1. VDD: Provides the supply voltage to the IC.
2. GND: Ground reference for the IC.
3. PWMD: Pulse Width Modulation dimming input.
4. COMP: Compensation pin for setting the control loop frequency.
5. CS: Current sense input for measuring the LED current.
6. GATE: Drives the gate of an external MOSFET to control LED current.
7. RT: Resistor timing pin for setting the switching frequency.
8. LD: Linear dimming control input for adjusting LED brightness.
This IC is particularly suited for applications requiring efficient and precise control of LED brightness, such as in lighting systems.
Manufacturer
The HV9910BLG-G is manufactured by Microchip Technology Inc. Microchip Technology is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. The company focuses on delivering technology that helps designers create optimal electronic products. Founded in 1989 and headquartered in Chandler, Arizona, Microchip is known for its comprehensive portfolio of semiconductor products and solutions that serve various markets including automotive, industrial, consumer, aerospace, and communications.
Application
The HV9910BLG-G is a versatile LED driver IC commonly used in various lighting applications. Its primary application areas include LED street lighting, architectural lighting, signage and display lighting, automotive lighting systems, and general-purpose LED drivers for residential and commercial use. The IC provides efficient current regulation for high-brightness LEDs and supports both buck and boost configurations, making it suitable for a wide range of LED lighting solutions. Its ability to handle various input voltages and drive different LED configurations makes it an ideal choice for energy-efficient and durable LED lighting systems.
Package
The HV9910BLG-G is a high brightness LED driver IC typically available in an 8-lead SOIC (Small Outline Integrated Circuit) package. This package type is compact and suitable for surface mount technology (SMT), making it ideal for use in applications requiring efficient space utilization and reliable performance.
