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IC LED DRIVER CTRLR PWM 8SOIC
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FabricanteTecnologia Microchip
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Peça do Fabricante #HV9961LG-G
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Ficha Técnica HV9961LG-G DataSheet
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Pacote SOIC-8
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Em Estoque2289
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | DC DC Controller |
| Topology | Step-Down (Buck) |
| Internal Switch(s) | No |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 8V |
| Voltage - Supply (Max) | 450V |
| Dimming | Analog, PWM |
| Applications | Backlight, Lighting, Signage |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include a wide input voltage range, high efficiency, and a built-in PWM dimming interface, which allows for seamless integration with dimmable LED systems. The HV9961LG-G also offers comprehensive protection features such as overvoltage, overcurrent, and thermal shutdown, enhancing the safety and durability of the lighting applications it powers.
The IC is designed to deliver consistent current regulation, ensuring stable LED performance over a range of operating conditions. Its compact design and robust functionality make it an ideal choice for both new installations and retrofitting existing systems to enhance energy efficiency and performance.
Equivalent
Features
1. High-Voltage Operation: Capable of operating with high input voltages, suitable for a variety of LED lighting applications.
2. Constant Current Control: Ensures consistent brightness and efficiency by maintaining a constant current through LEDs.
3. PWM Dimming: Supports pulse-width modulation (PWM) dimming for flexible brightness control.
4. Efficiency: Designed for high efficiency, minimizing power loss and improving energy savings.
5. Protection Features: Includes over-voltage, over-current, and thermal protection to enhance reliability and longevity.
6. Compact Package: Available in a space-saving package, making it suitable for compact designs.
7. Application Versatility: Ideal for a range of applications such as general lighting, automotive lighting, and industrial lighting.
The HV9961LG-G is a robust and efficient solution for driving LED systems, ensuring high performance and reliability in various lighting applications.
Pinout
1. VIN: Input voltage pin. It supplies power to the IC.
2. CSN: Current sense negative input.
3. CSP: Current sense positive input.
4. COMP: Compensation pin for error amplifier output.
5. RT: Sets the switching frequency with an external resistor.
6. GATE: Drives the gate of an external MOSFET.
7. GND: Ground connection for the IC.
8. VDD: Output voltage for powering external circuits.
The HV9961 is used for applications requiring precise control over LED brightness and efficiency, thanks to its feedback and protection features.
Manufacturer
Application
1. LED Lighting Systems: Used in indoor and outdoor LED lighting solutions for residential, commercial, and industrial environments.
2. Automotive Lighting: Applied in automotive headlamps, tail lamps, and interior lighting due to its reliability and efficiency.
3. Backlighting: Utilized in LCD displays and signage where uniform and controlled illumination is critical.
4. Architectural Lighting: Employed in dynamic lighting scenarios that require high precision and dimming capabilities.
5. Street and Area Lighting: Ideal for energy-efficient street and area lighting solutions.
This IC is valued for its ability to provide consistent current regulation and high efficiency.