The SSL5031TS is part of a new range of LED driver ICs for nonisolated, non-dimmable LEDsolutions. Complementing NXP’s broad GreenChip SSL family of products, the new ICsupports LED lighting applications ranging from 5 W lamp power like Candela shape up to25 W lamp power like integrated Fixtures/Luminaires, TLED and PAR lamp shapes.

SSL5021BTS SSL5031TS SSL5031BTS SSL5031CTS Topology Buck Buck-boost Buck Buck Low Ripple √

High PF Low THD

√ √ √ Thermal foldback √ √ √

• Driving LED strings from a rectified mains supply, high power factor/low-THD
• Small electronic Bill of Materials (BOM) enabling a compact solution and a small,single layer Printed-Circuit Board (PCB) footprint
• Excellent line and load regulation and LED output current accuracy (< ±3%)
• Efficient BCM operation with:
  • No reverse recovery losses in freewheel diode
  • Zero Current Switching (ZCS) and valley switching
  • Minimal inductance value and size required
  • High efficiency (up to 93 %)
  • Ultra low IC current during operation (< 150 μA)
• Many auto-recovery protections:
  • UnderVoltage LockOut (UVLO)
  • Cycle-by-cycle OverCurrent Protection (OCP)
  • Internal OverTemperature Protection (OTP)
  • Output Overvoltage Protection (OVP)
  • Output Short Protection (OSP)
  • Thermal foldback protection via a single PTC or NTC resistor

• Low cost non-dimmable, non-isolated retrofit LED lamps up to 25 W
• Low cost non-dimmable, non-isolated driver modules for LED lighting up to 25W

• PESD3V3L4UG - 低电容单向四倍ESD保护二极管阵列
• BZT52H-C7V5 - 采用SOD123F封装的单倍齐纳二极管
• 74AUP2G0604 - 低功耗反相缓冲器，带开漏和反相器
• 74ALVC162835ADGG - 18位寄存驱动器，具有30Ω端接电阻（3态）
• BUK765R3-40E - N沟道TrenchMOS标准电平FET
• BLF8G10L(S)-160 - 功率LDMOS晶体管
• SA612AD - 双平衡混频器和振荡器
• BAS70XY - 通用肖特基二极管
• 74LVC244AD - 八位元缓冲器/线路驱动器；3态
• PCF8885 - 8通道电容式触摸和近距离传感器，具有自动校准和极低功耗