infineon公司的XDPL8105是高性能基于己于微控制器的数字单级反激控制器,具有功率因素修正(PFC)

功能,采用DSO-8封装,支持广泛的设定,需要外接元件达到最低数.效率高达91%,通用输入电压85 – 305 V AC,

主要用在LED照明的数字控制.

XDPL8105产品亮点:
• Highly accurate primary side controlled output current (Line/load regulation typical within +/- 3%)
• High power quality (typical PF up to 0.99 and THD < 10%)
• High Efficiency (up to 91%)
• Configurable output current with no BOM change
• Supports universal input voltage (85 – 305 V AC)
• Supports wide output load voltage (up to 4 times of minimum output load voltage)
• Ideal for application with dimming signal from micro-controller on primary side
• Supports fully isolated 0 – 10 V dimming with Infineon CDM10V
• Supports low output current dimming.
• Low standby power
XDPL8105主要特性:

• Single stage QR Flyback with PFC and high precision primary side controlled constant current output
• Excellent line and load regulation
• Supports AC input (45 ~ 65 Hz) and/or DC input voltage operation
• Integrated 600 V startup cell
• Low Bill Of Material (BOM)
• Configurable parameters, e.g. adjustable voltage and current ranges, protection modes
• Supports non-dimmed and/or dimmed applications.
• Intelligent thermal management with adaptive thermal protection
XDPL8105应用:
• Electronic control gear for LED luminaires (5 W to 80 W)

图1.XDPL8105典型应用1(初级边微控制器调光)

图2.XDPL8105典型应用2(次级边0-10V调光)
XDPL8105 40W参考设计

The XDPL8105 40W reference design is a digitally configurable LED driver with a universal input of 90–305 VAC, a wide output load range of 16–45 VDC and isolated 0–10 V dimming (with CDM10V). Please refer to the next page for the main design features of this board based on Infineon’s XDPL8105 and CDM10V.

图3.带CDM10V适配板的XDPL8105 40W参考设计外形图
XDPL8105 40W参考设计主要特性:

· Single-stage flyback with power factor correction (PFC) and high-precision primary side-controlled constant current output 
· Excellent current accuracy (±3%) across universal input voltage range (90 to 305 Vac) and wide output voltage range (18 V – 45 V) 
· Integrated 600 V HV cell for fast startup 
· High efficiency with quasi-resonant (QR) operation 
· Low dimming output with discontinuous conduction mode (DCM) and active burst mode (ABM) operation 
· High power factor (PF) and low input current total harmonic distortion (iTHD) with advanced switching cycle modulation scheme 
· Low Bill Of Materials (BOM) 
· Configurable dimming curve to either linear or quadratic (eye-adaptive).
· Configurable output current at minimum dimming input (from 10% to 1%) 
· Quick design and variant handling supported by digital parameter configurability with .dp vision GUI – e.g. output current setting, dimming curve shape selection, protection handling and operation fine-tuning. 
· Supports transformer-less IEC60929-compliant isolated 0–10 V dimming using CDM10V. 
XDPL8105 40W参考设计电指标:

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