Infineon REF_ICL5102_U100W_LCC LED Driver for BSS126, ICL5102, IPN60R360P7S

This 100W reference design focuses on demonstrating the great power quality and the supreme high frequency performance of the half-bridge (HB) driver with ICL5102 and the cost-efficient CoolMOS™ P7 family. It fully utilizes the applicable frequency range supported by this HB driver, so as to achieve a highly compact LCC transformer. This transformer integrates the series inductance of the LCC resonance tank. Through this high power density transformer design, significant system-level cost down and size reduction driven by the high frequency operating capability can be realized.

The REF_ICL5102_U100W_LCC is a 100W LED power supply with constant current output in a voltage range from 55 V down to 20 V. Features include a wide output current range from 1.82 A down to 0.018 A, a wide analog dimming level of 100 percent down to 1 percent, fast time-to-light of 50 0ms in the worst case, a high power factor of more than 0.9 above 30 percent load at 267 VRMS and an input current THD of less than 10 percent above 20 percent load at 267 VRMS.

•600V CoolMOS™ P7 superjunction MOSFET, (IPN60R360P7S)

•600V N-Channel small signal depletion-mode MOSFET, (BSS126)

•LLC over current protection

•Capacitive mode regulation

•Overtemperature protection (OTP)

•Output overvoltage protection (OVP)

•Brown-out detection (BO)

•LCC transformer design with series resonance inductance integrated

•Efficiency at nominal load: 93.0% at 230VRMS (91.5% at 120VRMS)

•Power factor: >0.9 @ 30% load at 267VRMS

•Input current THD: <10% @ 20% load at 267VRMS

•Input voltage range: 90–267VAC

•Regulated main output current: 0.018 –1.82A in an output voltage range from 20VDCup to 55VDC

•Analog dimming from 100% to 1%

•Time to light: tT2L <500ms @ 90VAC

•Harmonics: According to the latest EN61000-3-2 Class-C

•EMI: According to EN55015

•For high power density designs

•Keeping thermals under control

•High power factor and low THD

•Very stable output current

•Numerous monitor and protection features

•Highly integrated, saving additional components and cost competitive solution