Microchip Technology's HV9921N3-G LED Driver IC

The HV9921N3-G is a versatile and efficient LED driver integrated circuit (IC) from the well-known semiconductor manufacturer, Microchip Technology. This high-quality IC is specifically designed to deliver a constant current for illuminating LEDs, ensuring optimal performance and longevity for a wide range of lighting applications. Its robust design and advanced features make it an ideal choice for LED lighting solutions that require reliability and precision.

Key Features of HV9921N3-G

• Patented Current Control Method: The HV9921N3-G employs a unique current control method that does not produce any EMI radiation, making it perfect for noise-sensitive applications.
• High Efficiency: With its integrated PWM dimming capability, this IC enables high-efficiency operation and fine control over the brightness of the connected LEDs.
• Wide Input Voltage Range: It operates over a broad input voltage range, accommodating various power supplies and ensuring versatility across different electrical standards.
• Open-Circuit Protection: The device includes built-in open-circuit protection, safeguarding the IC and the LEDs from potential damage caused by open-circuit conditions.
• Thermal Protection: Thermal protection is also incorporated to prevent overheating, ensuring the IC operates within safe temperature limits.

Applications

The HV9921N3-G is suitable for a broad spectrum of LED lighting applications, such as:

• General purpose LED lighting
• Architectural and decorative lighting
• Commercial and residential lighting
• Automotive and industrial lighting

Its small footprint and high integration level make it an excellent choice for compact and sophisticated lighting systems. Whether you're designing a new lighting product or upgrading an existing one, the HV9921N3-G delivers the performance and durability that Microchip Technology's customers have come to expect.

For detailed technical specifications, application circuits, and layout guidelines, designers and engineers are encouraged to consult the comprehensive datasheet provided by Microchip Technology.