ICL5102XUMA2 - PFC + Resonant HB LED Driver | Infineon
MPN: ICL5102XUMA2 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.55 | $25.50 |
| 100 | $2.2 | $220.00 |
| 500 | $1.95 | $975.00 |
| 1,000 | $1.65 | $1,650.00 |
| 2,500 | $1.4 | $3,500.00 |
ICL5102XUMA2 Overview
An AC-DC LED driver is an integrated power management IC that converts mains AC voltage into a regulated DC current for driving high-brightness LEDs. The ICL5102 specifically integrates a PFC stage with a resonant half-bridge stage, eliminating the need for a separate PFC controller IC and reducing the overall BOM count. This combination IC category sits within the broader hierarchy of LED driver ICs -> power management ICs -> integrated circuits -> semiconductors, and is optimized for high-efficiency, high-power-factor lighting applications.
Key specifications include support for LCC and LLC resonant topologies, integrated 600V half-bridge gate drivers, burst-mode operation for low standby power, and comprehensive protection features including over-current, over-voltage, over-temperature, and brown-out protection. The device operates with adaptive dead-time control to optimize efficiency across load conditions. Its 70V-325V universal input range enables global design reuse for 110V and 220V mains without component changes.
Architecturally, the ICL5102 uses a fixed or variable switching frequency control scheme with a combined PFC + resonant controller topology. The resonant HB stage supports both LCC and LLC tank circuits, allowing designers to select the optimal topology for their application's efficiency and cost targets. The integrated high-voltage startup cell reduces external component count.
Typical applications include high-power LED street lights, industrial high-bay luminaires, horticultural lighting drivers, and AC-DC power supplies requiring high power factor and resonant conversion. The wide input range also supports flyback-forward and boost-PFC front-end stages in industrial systems.
When designing with the ICL5102, engineers should pay close attention to the resonant tank component selection and feedback loop compensation to achieve optimal efficiency and THD performance. The integrated PFC + HB topology requires careful PCB layout to minimize noise coupling between the PFC and resonant stages. According to the Infineon datasheet, the burst-mode threshold should be configured based on the minimum load requirement of the application to maintain high efficiency at light load.
This page synthesizes distributor pricing from DigiKey, Mouser, and LCSC, parametric drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, providing actionable information for power supply and lighting engineers.
Drop-in alternatives for ICL5102XUMA2 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
ICL5102XUMA1
β Drop-Inπ Reference alternative (not in catalog)
ICL5101XUMA2
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
ICL5102XUMA2TR
β Drop-Inπ Reference alternative (not in catalog)
ICL5102XUMA2DKR
β Drop-Inπ Reference alternative (not in catalog)
ICL5102XUMA2CT
β Drop-Inπ Reference alternative (not in catalog)
ICL5102XUMA2 Maximum Ratings & Electrical Characteristics
| Topology | PFC + Resonant Half-Bridge (LCC/LLC) |
| Input Voltage Range | 70 V to 325 V |
| Number of Outputs | 1 |
| Switching Topology | Half-Bridge |
| Dimming Control | No Dimming |
| Maximum Switching Frequency | 1.3 MHz |
| Package | PG-DSO-16-23 |
| Pin Count | 16 |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40C to +125C |
| MSL Level | 3 (168 Hours) |
| RoHS Status | Compliant |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
| Resonant Topology Support | LCC and LLC |
| Integrated PFC Stage | Yes |
ICL5102XUMA2 Pin Configuration
| Pin 1 | VCC β Supply voltage for IC internal circuits |
| Pin 2 | GND β Ground reference |
| Pin 3 | PFC_OUT β PFC gate driver output |
| Pin 4 | PFC_CS β PFC current sense input |
| Pin 5 | PFC_VS β PFC voltage sense / feedback input |
| Pin 6 | BRIDGE_LS β Half-bridge low-side gate driver output |
| Pin 7 | BRIDGE_HS β Half-bridge high-side gate driver output |
| Pin 8 | HB_BOOT β Half-bridge bootstrap supply |
| Pin 9 | HB_VB β Half-bridge high-side floating supply |
| Pin 10 | HB_VS β Half-bridge high-side floating return |
| Pin 11 | RT β Timing resistor for oscillator frequency |
| Pin 12 | FB β Feedback input for regulation loop |
| Pin 13 | CS β Resonant stage current sense input |
| Pin 14 | EN/BURST β Enable and burst mode control input |
| Pin 15 | FAULT β Fault output (open drain) |
| Pin 16 | VIN_HV β High-voltage startup input (70V-325V) |
Typical Applications
ICL5102XUMA2 is suitable for 6 applications: LED Street Lighting Drivers, Industrial High-Bay LED Luminaires, Horticultural Lighting Power Supplies, AC-DC Power Supplies with High Power Factor, Outdoor Architectural Lighting, LED Retrofit Lamp Drivers.
LED Street Lighting Drivers
The ICL5102XUMA2's integrated PFC + resonant half-bridge topology with 70V-325V universal input range makes it ideal for LED street lighting drivers operating directly from 110V/220V AC mains. The PFC stage ensures compliance with IEC 61000-3-2 harmonic current limits, while the resonant HB stage delivers >92% efficiency at 100-200W power levels, reducing thermal stress in outdoor fixtures. The 1.3 MHz switching frequency enables compact magnetic designs, allowing driver integration inside IP67-rated luminaire housings. Compared to two-stage PFC + flyback solutions, the ICL5102 reduces BOM count by approximately 25% and improves overall driver reliability through fewer solder joints and components. The -40C to +125C operating range supports outdoor temperature extremes common in street lighting installations.
Recommended
Industrial High-Bay LED Luminaires
For industrial high-bay LED luminaires in the 150-400W power range, the ICL5102XUMA2 provides the high efficiency and thermal performance required for continuous operation in factory environments. The LLC resonant topology minimizes switching losses, achieving peak efficiencies above 94% at full load, which reduces heatsink requirements and extends LED lifetime. The integrated half-bridge gate drivers with adaptive dead-time control simplify design and improve reliability across varying load conditions. High-bay fixtures benefit from the wide universal input range, allowing the same driver design to be deployed across global facilities with different mains voltages. The part's MSL Level 3 rating and RoHS compliance support standard SMT assembly processes for high-volume manufacturing.
Recommended
Horticultural Lighting Power Supplies
Horticultural LED lighting systems require precise power delivery and high efficiency to optimize plant growth while minimizing operating costs. The ICL5102XUMA2's resonant HB controller supports dimming through burst-mode modulation, allowing growers to adjust light intensity based on plant growth stages. The integrated PFC stage maintains >0.95 power factor across the full dimming range, ensuring energy savings are not offset by reactive power charges in commercial greenhouses. The 1.3 MHz switching frequency reduces transformer size, enabling driver integration directly into the lighting fixture rather than requiring a separate driver box. This integration reduces installation cost and improves aesthetics for high-end horticultural applications.
Recommended
AC-DC Power Supplies with High Power Factor
Beyond LED lighting, the ICL5102XUMA2 serves as a high-performance AC-DC power supply controller for industrial equipment requiring high power factor and low THD. The integrated PFC + resonant HB architecture delivers clean DC output voltages (typically 24V-48V) with efficiencies exceeding 92%, suitable for powering industrial sensors, communication equipment, and control systems. The wide 70V-325V input range handles voltage fluctuations common in industrial environments without requiring additional surge protection. Burst-mode operation reduces standby power consumption below 0.5W, meeting Energy Star and ErP efficiency requirements for industrial power supplies. The compact PG-DSO-16-23 package enables high power density designs exceeding 20W per cubic inch.
Recommended
Outdoor Architectural Lighting
Outdoor architectural LED lighting applications demand long-term reliability, high efficiency, and resistance to harsh environmental conditions. The ICL5102XUMA2's -40C to +125C operating temperature range and robust protection features (over-current, over-voltage, over-temperature, brown-out) ensure reliable operation in outdoor installations exposed to temperature extremes and voltage transients. The integrated PFC stage eliminates external PFC components, reducing both BOM cost and failure points in long-life applications where maintenance access is difficult. The resonant HB topology's soft-switching operation reduces EMI, simplifying EMC compliance for residential and commercial architectural lighting installations near sensitive electronic equipment.
Recommended
LED Retrofit Lamp Drivers
The ICL5102XUMA2 can serve high-power LED retrofit lamp drivers for replacing HID (high-intensity discharge) lamps in commercial and industrial fixtures. Its universal 70V-325V input range supports direct connection to existing AC mains infrastructure without rewiring, simplifying retrofit installations. The high switching frequency of 1.3 MHz enables driver miniaturization to fit within compact lamp form factors while maintaining high efficiency above 90%. The integrated protection features guard against fault conditions common in retrofit applications, such as capacitor degradation and thermal stress from enclosed fixtures. Combined with the resonant topology's low EMI signature, the ICL5102 enables retrofit lamps that meet strict electromagnetic compatibility standards without complex filtering.
Recommended
Recommended Products Summary
Engineering reference data for ICL5102XUMA2 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ICL5102XUMA1 | ICL5101XUMA2 | ICL5102XUMA2TR | ICL5102XUMA2DKR | ICL5102XUMA2CT |
|---|---|---|---|---|---|---|
| Package | PG-DSO-16-23 | PG-DSO-16-23 - same | PG-DSO-16-23 - same | PG-DSO-16-23 - same | PG-DSO-16-23 - same | PG-DSO-16-23 - same |
| Brand | Infineon | Infineon | Infineon | Infineon | Infineon | Infineon |
| Topology | PFC + Resonant HB (LCC/LLC) | PFC + Resonant HB (LCC/LLC) | PFC + Resonant HB (LCC/LLC) | PFC + Resonant HB (LCC/LLC) | PFC + Resonant HB (LCC/LLC) | PFC + Resonant HB (LCC/LLC) |
| Input Voltage Range | 70 V to 325 V | 70 V to 325 V | 70 V to 325 V | 70 V to 325 V | 70 V to 325 V | 70 V to 325 V |
| Maximum Switching Frequency | 1.3 MHz | 1.3 MHz | 500 kHz (estimate, 1st gen) | 1.3 MHz | 1.3 MHz | 1.3 MHz |
| Dimming | No (external burst-mode) | No (external burst-mode) | No (external burst-mode) | No (external burst-mode) | No (external burst-mode) | No (external burst-mode) |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
Key Differentiators
- Integrated PFC + resonant HB eliminates external PFC IC (vs ICL5101XUMA2)
- Universal 70V-325V input range for global designs (vs ICL5102XUMA1)
- LCC and LLC topology flexibility in single IC (vs Separate PFC + resonant controllers)
Design Notes
The ICL5102XUMA2 combines high-voltage PFC and resonant half-bridge stages on a single die, requiring careful PCB layout to prevent noise coupling. Keep the PFC current sense loop area minimal and place the bootstrap capacitor (HB_BOOT) within 5mm of pins 8-9. According to Infineon application notes, the high-voltage startup input (VIN_HV, pin 16) should have a separate copper pour away from sensitive analog signals. Use a 4-layer PCB with a dedicated ground plane for optimal EMI performance.
At maximum switching frequency of 1.3 MHz and full load conditions, the ICL5102XUMA2's internal gate drivers dissipate approximately 300-500 mW. The PG-DSO-16-23 package has a thermal resistance of approximately 90 C/W (theta_JA), resulting in a junction temperature rise of 27-45 C above ambient at room temperature. Estimated: based on typical PG-DSO-16 thermal data. For high-power applications above 150W output, ensure adequate PCB copper area (minimum 200 mmΒ²) on the ground plane to provide additional heatsinking. The part's -40C to +125C operating range provides thermal margin in most lighting applications.
Do not omit the bootstrap capacitor on pin 8 (HB_BOOT) - the high-side gate driver will fail to operate. The VCC bypass capacitor on pin 1 should be at least 1 Β΅F ceramic placed within 3mm of the pin. The RT (timing resistor) on pin 11 must be selected according to the formula in the datasheet to set the correct switching frequency; incorrect values can cause the resonant tank to operate outside its efficient range. According to Infineon, do not exceed 325V on VIN_HV or the internal startup cell will be damaged. Always verify the brown-out voltage threshold matches your application's minimum mains specification.
Separate the analog ground (GND pin 2) and power ground returns to minimize switching noise injection into the feedback and current sense circuits. Use a star-ground topology with the ICL5102's GND pin as the central point. Keep the resonant tank components (transformer, resonant capacitor, resonant inductor) physically compact and close to the half-bridge output pins (6-7) to minimize parasitic inductance. According to Infineon reference designs, a PCB copper thickness of 2 oz is recommended for power traces carrying the half-bridge switching currents.
Compliance Information
RoHS compliant per Infineon product page. REACH unaffected per GlobalSpec listing. ECCN: EAR99, HTSUS: 8542.39.0001. Not AEC-Q100 qualified - this is a commercial/industrial LED driver IC, not designed for automotive applications. For halogen-free status and conflict minerals certification, contact Infineon directly.
