HV9910CLG-G

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HV9910CLG-G

IC LED DRIVER CTRLR PWM 8SOIC

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規格

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) 15V
Voltage-Supply(Max) 450V
Frequency 25kHz, 100kHz
Dimming Analog, PWM
Applications Backlight, Lighting, Signage
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概述

Description

HV9910CLG-G is a high-voltage, constant-current LED driver IC (from the HV9910 family) designed for LED backlighting and high-brightness lighting. It contains a high-voltage internal switch (MOSFET) and regulates LED current by sensing a resistor in the LED path, using an external inductor and diode to form a flyback/boost converter. The LED current is set by the external current-sense resistor. It supports dimming via a DIM or PWM input and includes protections such as overcurrent, overvoltage, and thermal shutdown for robustness. The “CLG-G” suffix indicates the RoHS-compliant Green package variant. Typical applications include LED strings powered from high-voltage supplies, such as LCD backlights and LED lighting where wide input voltage swings are present.

Features

Here are the key features of HV9910CLG-G (high-level, from the datasheet):
- High-voltage, constant-current LED driver for series string/backlighting
- Constant-current regulation with sense-resistor feedback
- Dimming capability via PWM and analog/digital control inputs
- Protection features: open-LED protection, overcurrent/short-circuit protection, UVLO, thermal shutdown
- Wide input voltage range with internal startup current source (reduces external parts)
- Fast transient response and stable regulation for LED strings
- RoHS-compliant, lead-free packaging (CLG-G suffix indicates Green RoHS)
- Designed for use with external switching topology as a compact LED driver solution
Note: Exact electrical specs (current range, voltage range, dimming details, pinout) vary by package and operating conditions. Consult the HV9910CLG-G datasheet for precise numbers and application guidance.

Package

HV9910CLG-G comes in a 16-pin Gull Wing Small Outline Package (SOP-16), RoHS-compliant.

Pinout

- Pin count: 8 pins (SOIC/similar, lead-free variant HV9910CLG-G).
- Function: Single-channel high-voltage constant-current LED driver/controller. It regulates LED current via an external sense resistor and drives an external MOSFET, with dimming capability (PWM/analog) and built-in oscillator for LED string applications.

Manufacturer

- Manufacturer: Microchip Technology Inc. (the HV9910 was originally from Supertex, Inc., which Microchip acquired in 2014).
- What kind of company: A global semiconductor company that designs and sells analog, mixed-signal/high-voltage ICs (Supertex was a specialty designer of high-voltage ICs).

Application

HV9910CLG-G is a high-voltage, constant-current LED driver IC for multiplexed LED strings. Typical applications: LCD backlight modules (TVs/monitors) and large displays; LED signage and billboards; architectural and decorative lighting; backlighting for high-voltage LED arrays with PWM dimming and protection features.

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