NXP SSL2102 19-22W调光LED驱动方案
NXP公司的SSL2102是开关电源(SMPS)控制器,集成了直接连接到火线整流的切相调光器, 设计用来驱动LED器件,并支持大多数调光解决方案.器件包括高压功率开关和直接起动电路,主要用在25W以下的LED驱动.本文介绍了SSL2102主要特性,方框图,应用电路以及19-22W调光LED驱动器演示板电路图和230VAC与120VAC时的材料清单(BOM).
The SSL2102 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 direct start-up from the rectified mains voltage. Furthermore the device includes high-voltage circuitry to supply the phase cut dimmer
SSL2102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 dedicated built-in circuitry
Built-in demagnetization detection
The IC has Over Temperature Protection (OTP) built-in
Short-Winding Protection (SWP) and Over Current Protection (OCP)
The IC has internal VCC generation that allows start-up from rectified mains voltage
Natural dimming curve by logarithmic correction
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