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NXP SSL2101 LED反激驱动解决方案 消费电子 免费猫

发布时间:2020-02-17 13:30:00 阅读: 来源:立德粉厂家

NXP SSL2101 LED反激驱动解决方案 - 消费电子 - 电子工程网

NXP公司的SSL2101是120VAC LED反激驱动器,能直接工作在火线电压整流器,器件包括高压功率开关,以及直接从火线电压整流器起动的电路.支持大多数调光方案,内置了超温保护(OTP),过流保护(OCP)和绕组短路保护(SWP),主要用在高达10W的装饰灯如GU10,LED驱动器,高达15W的LED串以及1W-10W的LED灯.本文介绍了SSL2101主要特性, 方框图, 反激电路图(230V TRIAC适用)以及SSL2101光参考板主要指标,电路图和材料清单.

UM10477: SSL2101 120 V (AC) flyback task light 20 V/450 mA driver board

The SSL2101 is a Switched Mode Power Supply (SMPS) controller IC that operates in combination with a phase cut dimmer directly from rectified mains. It is designed to drive LED devices. The device includes a high-voltage power switch and a circuit to allow start-up directly from the rectified mains voltage. Furthermore the device includes high-voltage circuitry to supply the phase cut dimmer.

SSL2101主要特性:

Easy migration to existing lighting control infrastructure, triac and transistor dimmers

Supports majority of available dimming solutions

Valley switching efficiency is optimized by built-in dedicated circuitry

Built-in demagnetization detection

The IC has built-in OverTemperature Protection (OTP)

Short-Winding Protection (SWP) and OverCurrent Protection (OCP)

The IC has internal VCC generation that allows start-up from rectified mains voltage

Natural dimming curve by logarithmic correction

SSL2101应用:

The SSL2101 is suitable for different power requirements, these include:

Retro-fit lamps, e.g. GU10, up to a maximum of 10 W

LED modules, separate power supplies, e.g. LED spots, down-lights, up to a maximum of 15 W

LED strings, e.g. retail display, up to a maximum of 15 W

Mains isolated LED drivers up to 10 W to 15 W (flyback topology)

Non mains isolate LED drivers (buck topology) with a maximum peak current of 900 mA and continuous LED current below 450 mA

LED lamps 1 W to 10 W (flyback) or 450 mA (buck)

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