</a>LED" title="LED">LED" title="LED">LED開路保護(hù)和超溫保護(hù),主要用在A19 E12/E26/27, GU10, MR16, PAR30/38集成燈,結(jié)構(gòu)和顯示照明以及走廊和頂燈照明.本文介紹了TPS9201主要特性,框圖, 典型應(yīng)用電路圖以及230-VAC TRIAC調(diào)光6-W LED驅(qū)動(dòng)器主要特性,電路圖,材料清單和布局圖.
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
Primary-Side Overcurrent Hiccup Restart Mode
1-A Sink TrueDrive, –0.75-A Source Gate Drive Output
Programmable Soft-Start
TPS9201應(yīng)用:
Residential LED Lighting Drivers for A19 E12/E26/27, GU10, MR16, PAR30/38 Integral Lamps
Drivers for Wall Sconces, Pathway Lighting and Overhead Lighting
Drivers for Wall Washing, Architectural and Display Lighting
圖1. TPS9201方框圖
圖2. TPS9201典型應(yīng)用電路圖
A 230-VAC TRIAC調(diào)光6-W LED驅(qū)動(dòng)器
The TPS92010EVM-631 is a fully assembled and tested circuit for demonstrating the TPS92010 Controller in a 230VAC light bulb replacement design that is TRIAC dimmable. The TPS92010EVM-631 includes an LED light engine to load the output and make it easy to see the dimming function when used with an external TRIAC based dimmer.
TRIAC調(diào)光6-W LED驅(qū)動(dòng)器主要特性:
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
Internal Overtemperature Protection
Current Limit Protection
1-A Sink TrueDrive, –0.75-A Source Gate Drive Output
Programmable Soft-Start
圖3.PSU電路圖
圖4.LED板電路圖
TRIAC調(diào)光6-W LED驅(qū)動(dòng)器材料清單:
圖5. PSU PCB布局圖(頂層)
詳情請見:
http://www.ti.com/lit/ds/symlink/tps92010.pdf
和
http://www.ti.com/lit/ug/sluu430c/sluu430c.pdf
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
Primary-Side Overcurrent Hiccup Restart Mode
1-A Sink TrueDrive, –0.75-A Source Gate Drive Output
Programmable Soft-Start
TPS9201應(yīng)用:
Residential LED Lighting Drivers for A19 E12/E26/27, GU10, MR16, PAR30/38 Integral Lamps
Drivers for Wall Sconces, Pathway Lighting and Overhead Lighting
Drivers for Wall Washing, Architectural and Display Lighting
圖1. TPS9201方框圖
圖2. TPS9201典型應(yīng)用電路圖
A 230-VAC TRIAC調(diào)光6-W LED驅(qū)動(dòng)器
The TPS92010EVM-631 is a fully assembled and tested circuit for demonstrating the TPS92010 Controller in a 230VAC light bulb replacement design that is TRIAC dimmable. The TPS92010EVM-631 includes an LED light engine to load the output and make it easy to see the dimming function when used with an external TRIAC based dimmer.
TRIAC調(diào)光6-W LED驅(qū)動(dòng)器主要特性:
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
Internal Overtemperature Protection
Current Limit Protection
1-A Sink TrueDrive, –0.75-A Source Gate Drive Output
Programmable Soft-Start
圖3.PSU電路圖
圖4.LED板電路圖
TRIAC調(diào)光6-W LED驅(qū)動(dòng)器材料清單:
圖5. PSU PCB布局圖(頂層)
詳情請見:
http://www.ti.com/lit/ds/symlink/tps92010.pdf
和
http://www.ti.com/lit/ug/sluu430c/sluu430c.pdf
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