infineon公司的XDPL8220是高度集成新一代器件,組合了邊界模式PFC和準諧振FB控制器以及初級邊調(diào)整,從而節(jié)省了外接元件和優(yōu)化了性能,通用AC輸入(90-305VAC)或DC輸出(90-305VDC),可用功率范圍20W到150W,多控制模式(恒流(CC)/恒壓(CV)/有限功率(LP),效率大于90%,主要用在LED照明的電子控制(ECG).本文介紹了XDPL8220主要特性,框圖,型應(yīng)用電路圖以及參考設(shè)計REF-XDPL8220-U100W主要特性與優(yōu)勢,電路圖和PCB設(shè)計圖.

XDPL8220 is a highly integrated next-generation device combining a boundary mode PFC plus a quasi-resonantFB controller with primary-side regulation. The integration of these functions enables saving of external partsand optimizes performance by harmonized operation of the two stages.

XDPL8220 uses a constant on-time scheme with a THD improvement algorithm to provide a high power factorand excellent THD performance.With its unique control scheme of CV, CC and LP, the LED driver designer is provided with a large degree offlexibility and can utilize the system hardware to its limits.

The on-chip One Time Programmable Memory (OTP) memory has an area for parameters that control thebehavior of the circuit, e. g. the output current or the maximum output power. This enables the user of thedevice to create a platform concept with significantly fewer different hardware versions while still covering thesame application range.

The two-stage approach reduces any variation in the output current (flicker) to a non-visible level. By separatingthe PFC from the power conversion part (FB), both stages operate in a more stable manner and require fewermargins, which has a positive influence on the cost.

Lighting requires more and more 24/7 operation, making it necessary to have a stand-by mode with short wakeuptimes and low power consumption. The power consumption of less than 100 mW of the XDPL8220-basedsystems defines the new standard for stand-by power in lighting ECGs.

XDPL8220 enables adaptive temperature protection using either the internal sensor or an external NegativeTemperature Coefficient Thermistor (NTC), or both.Futureproof flexibility with application-oriented programmable operating windows enables management ofLED generations and portfolio complexity .

XDPL8220主要特性:

• Universal AC input (90 - 305 VAC) or DC input (90 - 305 VDC)
• Applicable power range of 20 W to 150 W
• Small number of external parts optimizes Bill of Materials (BOM) and form factor
• High efficiency (> 90%)
• Multicontrol mode (Constant Current (CC)/Constant Voltage (CV)/Limited Power (LP)) reduces requiredproduct variety
• Important parameters can be configured after manufacturing
• Low harmonic distortion (Total Harmonic Distortion (THD) < 15%)
• Low output ripple current
• Integrated startup cell ensures fast time to light (< 250 ms)
• Adaptive Temperature Protection
• Ambient operating temperature -40 °C to 85 °C
• Automatic switching between Quasi-Resonant Mode (QRM) and Discontinuous Conduction Mode (DCM)
• Wide output voltage range
• Pulse Width Modulation (PWM) dimming control
• Output dimming by analog reduction of driving current down to 5%
For safe operation, the XDPL8220 contains a comprehensive set of protection features:
• Output overvoltage protection (open load)
• Output undervoltage protection (output short)
• VCC over- and undervoltage lockout
• Input over- and undervoltage protection
• Bus over- and undervoltage protection
• Overcurrent protection for Power Factor Correction (PFC) and Flyback (FB) stage
XDPL8220應(yīng)用:
• Integrated Electronic Control Gear (ECG) for Light Emitting Diode (LED) luminaires

圖1.XDPL8220簡化功能框圖

圖2. XDPL8220典型應(yīng)用電路圖

參考設(shè)計REF-XDPL8220-U100W

Efficient and flickerfree reference circuit design with high power factor and low THD, universal input voltage for 100W output power.

參考設(shè)計REF-XDPL8220-U100W主要元件:

Digital power IC:  XDPL8220 
600V CoolMOS™ C6:  IPA60R190C6
800V CoolMOS™ P7:  IPA80R450P7
0-10V dimming interface IC:  CDM10V

參考設(shè)計REF-XDPL8220-U100W主要特性:

Integrated PFC and flyback controller
Simultaneous constant current, constant voltage and limited power modes
Output voltage range 16V-48V, max.current 2.5A, max. ouput power 100W
Ultrafast start-up time (<0,25s)
Analog 0-10V Dimming with CDM10V and connector for "Interface Gen2" programmer

參考設(shè)計REF-XDPL8220-U100W優(yōu)勢:

Simple small footprint design
Same design can be used for different LED applications
Wide operating range
Direct setting of different board features via parameter

參考設(shè)計REF-XDPL8220-U100W目標應(yīng)用:

Medium to high power LED lighting driver

圖3.參考設(shè)計REF-XDPL8220-U100W外形圖

圖4.參考設(shè)計REF-XDPL8220-U100W電路圖

圖5.參考設(shè)計REF-XDPL8220-U100W PCB設(shè)計圖
詳情請見:
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和?fileId=5546d4625a888733015a8a75f2233f7e
Infineon-XDPL8220 Getting Started-GS-v01_00-EN.pdf
Infineon-XDPL8220-DS-v01_00-EN.pdf
Infineon-CircuitDiagram_ReferenceDesign_XDPL8220_DigitalPower_100W-ATI-v01_00-EN.pdf