HV9861ALG-G

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HV9861ALG-G

+Nomenclature

IC LED DRIVER CTRLR PWM 8SOIC

  • FabricantTechnologie de micropuce

  • Pièce fabricant #HV9861ALG-G

  • En stock7182

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Spécifications

Attribut Valeur
PartStatus Active
Type DC DC Controller
Topology Step-Down (Buck)
InternalSwitch(s) No
NumberofOutputs 1
Voltage-Supply(Min) 15V
Voltage-Supply(Max) 450V
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)
SupplierDevicePackage 8-SOIC
BaseProductNumber HV9861

Présentation

Description

The HV9861ALG-G is a high-voltage LED driver IC designed for efficient driving of LED lighting applications. It is a product from Microchip Technology, optimized for applications requiring high brightness and precision control. The device integrates a switching controller that efficiently converts input power to drive LEDs with consistent current, essential for maintaining uniform brightness and extending LED lifespan.
Key features of the HV9861ALG-G include high power efficiency, a wide input voltage range, and robust protection mechanisms such as over-voltage, short-circuit, and thermal shutdown. It supports both analog and pulse-width modulation (PWM) dimming, allowing for versatile brightness control suitable for various lighting environments.
The IC is particularly useful in applications such as architectural lighting, street lighting, and automotive lighting, where reliability and performance are critical. Its compact size and ease of integration make it an attractive choice for designers seeking to develop high-performance LED lighting solutions with minimal footprint. Overall, the HV9861ALG-G provides a comprehensive solution for high-efficiency, high-precision LED driving applications.

Equivalent

The HV9861ALG-G is a high-voltage LED driver IC. Equivalent products may include:
1. LT3743 by Analog Devices
2. TPS92691 by Texas Instruments
3. MAX16834 by Maxim Integrated
4. LM3409 by Texas Instruments
These ICs offer similar functions for driving LEDs with high efficiency and are suitable for applications requiring high voltage and current regulation. Always check specific datasheets for compatibility in your application.

Features

The HV9861ALG-G is a high-efficiency LED driver IC designed for driving high-brightness LEDs. It offers precise current regulation, making it suitable for applications where consistent LED brightness and performance are crucial. Key features include:
1. Constant Current Control: Ensures stable LED illumination by delivering a consistent current to the LEDs regardless of input voltage variations.
2. High Efficiency: Optimized for energy efficiency, minimizing power loss and heat generation.
3. Wide Input Voltage Range: Supports a broad range of input voltages, providing flexibility for different applications and power sources.
4. PWM Dimming: Allows for pulse-width modulation dimming, enabling adjustable LED brightness levels for various lighting conditions.
5. Over-Temperature Protection: Safeguards the IC and connected LEDs from damage due to excessive temperatures, enhancing reliability and lifespan.
6. Compact Package: Available in a small form factor, making it suitable for space-constrained applications.
These features make the HV9861ALG-G an excellent choice for applications such as architectural lighting, street lighting, and general industrial lighting solutions.

Pinout

The HV9861ALG-G is a high-voltage LED driver IC designed by Microchip Technology. It typically comes in a SOIC-8 package, which means it has 8 pins. Here's a brief overview of its pin functions:
1. VDD: Power supply input.
2. CS: Current sense input. It monitors the LED current for regulation.
3. GND: Ground reference for the IC.
4. GATE: Drives the gate of an external MOSFET.
5. PWMD: PWM dimming input. Used for controlling the brightness of LEDs.
6. RT: Timing resistor pin. Sets the switching frequency via an external resistor.
7. COMP: Compensation pin. Connects to a network for stability of the control loop.
8. OVP: Over-voltage protection input. Monitors output voltage to protect the LED driver circuit.
The HV9861A is used in applications requiring high efficiency and precise control of LED currents, such as in solid-state lighting. It facilitates efficient conversion and regulation of power for driving LEDs, with features like PWM dimming and protection mechanisms.

Manufacturer

The HV9861ALG-G is manufactured by Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. The company offers a wide range of semiconductor products used in various applications, including automotive, industrial, consumer electronics, and communications. Microchip's products are known for their high performance, reliability, and cost-effectiveness, making them a popular choice for designers and engineers around the world.

Application

The HV9861ALG-G is typically used in LED lighting applications. It is a high-voltage LED driver IC designed to efficiently drive high-brightness LEDs. Its common applications include residential and commercial lighting, street lighting, industrial lighting, and automotive lighting systems. The device is ideal for applications requiring precise current regulation and high efficiency, making it suitable for LED backlighting in LCD displays and general-purpose illumination. Additionally, its capability to handle high input voltages makes it well-suited for use in systems where stability and reliability are critical, such as in outdoor and architectural lighting solutions.

Package

The HV9861ALG-G is available in a SOIC-8 package type, which is a small outline integrated circuit with 8 pins.

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