TI TPS92010 230-VAC TRIAC调光6W LED照明方案
TI 公司的TPS92010具有高效率的PWM控制器,采用准谐振模式以降低EMI和开关损耗,起动电流小于25uA,可编程线路和负载过压保护,并提供LED开路保护和超温保护,主要用在A19 E12/E26/27, GU10, MR16, PAR30/38集成灯,结构和显示照明以及走廊和顶灯照明.本文介绍了TPS9201主要特性,框图, 典型应用电路图以及230-VAC TRIAC调光6-W LED驱动器主要特性,电路图,材料清单和布局图.
The TPS92010 is a PWM controller with advanced energy features to provide high efficiency driving for LED lighting applications.
The TPS92010 incorporates frequency fold back and low power mode operation to reduce the operation frequency at light load and no load operations.
The TPS92010 is offered in the 8-pin SOIC (D) package. Operating junction temperature range is –40℃ to 105℃.
TPS9201主要特性:
LED Lighting Current Driver Controller with Energy Saving Features
Quasi-Resonant Mode Operation for Reduced EMI and Low Switching Losses (Low Voltage Switching)
Low Standby Current for Deep Dimming Efficiency Power Consumption
Low Startup Current: 25 µA Maximum
Programmable Line and Load Overvoltage Protection
Provides Open LED Protection
Internal Overtemperature Protection
Current Limit Protection
Cycle-by-Cycle Power Limit
..
