ICE3PCS02GXUMA1 - CCM PFC Controller, 85-265VAC, 100kHz | Infineon
MPN: ICE3PCS02GXUMA1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.42 | $1.42 |
| 10 | $1.28 | $12.80 |
| 100 | $1.05 | $105.00 |
| 500 | $0.88 | $440.00 |
| 1,000 | $0.74 | $740.00 |
| 2,500 | $0.62 | $1,550.00 |
ICE3PCS02GXUMA1 Overview
A Power Factor Correction (PFC) controller is a power-management IC that shapes the input current of an AC-DC converter so it is in phase with the input voltage, raising the power factor toward unity and reducing line-frequency harmonic distortion. It belongs to the broader PMIC hierarchy: PFC controller -> AC-DC controller -> power management IC -> semiconductor. Active CCM PFC, the topology addressed by the ICE3PCS02G, is the most common technique in mid- to high-power offline converters above 75 W because it combines low peak currents with predictable boost-inductor behavior.
Key features of the ICE3PCS02G family include a low 0.2 V peak-current-limit threshold that minimizes sense-resistor dissipation, integrated digital control voltage loop that removes the need for an external compensation network, adjustable gate switching frequency from 21 kHz to 100 kHz for EMI optimization, the ability to synchronize to an external frequency source, and comprehensive protection features including VCC undervoltage lockout and overcurrent protection. Compared to the 1st-generation ICE1PCS0x and 2nd-generation ICE2PCS0x families, the 3rd-generation IC offers a tighter reference and digital-loop simplification that reduces external BOM by roughly twenty components per design.
The device uses Infineon's high-voltage BCD process that integrates the start-up cell, gate driver, and control logic on a single die rated for the surge environment of an offline front-end. This integration enables the compact 8-pin PG-DSO footprint and eliminates the auxiliary winding typically needed to power the controller in older designs.
Typical applications include 100 W to 800 W SMPS front-ends for desktop PCs, gaming consoles, plasma/LCD televisions, and industrial power supplies requiring EN61000-3-2 compliance. The 100 kHz upper switching limit and synchronization input make it well suited to coordinate with the downstream LLC or quasi-resonant converter in two-stage converter architectures.
Designers should plan for thermal management of the gate-driver dissipation at high switching frequency and for input-bridge bulk-cap sizing that determines hold-up time. The controller's wide input range allows a single board design to ship globally without input-voltage strapping.
This page synthesizes distributor pricing, drop-in alternatives within the 8-pin PG-DSO footprint, and practical PFC design notes not found in the standalone manufacturer datasheet.
Drop-in alternatives for ICE3PCS02GXUMA1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ICE3PCS02GXUMA1 (same form factor and footprint) — differing in Package, Switching Frequency Range, Topology, Internal Reference Voltage, Control Method.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ICE3PCS01GXUMA1
✅ Drop-In✓ In Stock
$1.68 / Unit
View Datasheet →ICE3PCS03GXUMA1
✅ Drop-In✓ In Stock
$1.45 / Unit
View Datasheet →ICE3RBR1765JGXUMA1
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →ICE2PCS02GXUMA1
✅ Drop-In✓ In Stock
$0.74 / Unit
View Datasheet →ICE2PCS01GXUMA1
✅ Drop-In✓ In Stock
$1.02 / Unit
View Datasheet →ICE3PCS02GXUMA1 Maximum Ratings & Electrical Characteristics
| Product Type | PFC Controller IC (Active CCM) |
| Manufacturer | Infineon Technologies |
| Topology | Boost PFC, Continuous Conduction Mode |
| Generation | 3rd Generation (ICE3 family) |
| Input Voltage Range (AC) | 85 VAC to 265 VAC |
| Internal Reference Voltage | 2.5 V (trimmed) |
| Switching Frequency Range | 21 kHz to 100 kHz (adjustable, some sources cite up to 250 kHz) |
| Peak Current Limit Threshold | 0.2 V (across sense resistor) |
| Quiescent Current (typical) | 1.4 mA |
| External Synchronization | Yes |
| Control Method | Digital control voltage loop |
| Package | PG-DSO-8 |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40C to +125C |
| RoHS Status | Compliant |
| Target Power Range | 100 W to 800 W SMPS front-ends |
ICE3PCS02GXUMA1 Pin Configuration
| Pin 1 | VCC — Supply voltage (typically 15V derived from auxiliary winding or external start-up) |
| Pin 2 | GND — Ground reference |
| Pin 3 | ISENSE — Current sense input; threshold 0.2V for peak current limit |
| Pin 4 | VINS — Input voltage sense for feedforward and brown-out protection |
| Pin 5 | VCOMP — Voltage loop compensation node (digital control output) |
| Pin 6 | FREQ — Switching frequency setting (21kHz to 100kHz) |
| Pin 7 | SYNC — External synchronization input |
| Pin 8 | GATE — Gate driver output for external boost MOSFET |
Typical Applications
ICE3PCS02GXUMA1 is suitable for 6 applications: Desktop PC SMPS Front-End (250-500W), LCD/LED Television Power Supply, Industrial SMPS for EN61000-3-2 Compliance, Gaming Console and High-End Set-Top Box PSU, Server & Telecom Auxiliary Power Supply, Plasma Display and Large-Format Monitor.
Desktop PC SMPS Front-End (250-500W)
The ICE3PCS02GXUMA1 is well suited to desktop PC power supplies in the 250-500 W range where EN61000-3-2 Class D compliance and high PF (>0.95) at full load are mandatory. Its integrated digital voltage loop eliminates the bulky Type-II compensation network typical of older ICE2 designs, reducing BOM and PCB area. Operating at 65 kHz typical switching frequency, the controller drives an external boost MOSFET handling 500V peak input stress. The 0.2V current-sense threshold minimizes sense-resistor dissipation at 300W, contributing roughly 0.5W total loss savings vs 0.5V-threshold alternatives. External synchronization allows locking the PFC stage to the downstream LLC converter for EMI coordination in two-stage ATX designs.
Recommended
LCD/LED Television Power Supply
LCD and LED TV SMPS front-ends in the 150-400 W class require high power factor, low standby power, and compact PCB layout. The ICE3PCS02GXUMA1's 8-pin PG-DSO package and integrated digital compensation shrink the PFC section to roughly 1.5 square inches, enabling slim TV form factors. The trimmed 2.5V reference ensures stable output voltage across the 85-265VAC worldwide input range without calibration. At 50 kHz switching frequency the boost inductor remains under 1 mH, supporting integration into the TV's main PCB. Synchronization to the main LLC stage prevents beat-frequency EMI in the AM broadcast band, a common pitfall in TV designs where separate PFC and LLC clocks intermodulate.
Recommended
Industrial SMPS for EN61000-3-2 Compliance
Industrial power supplies above 75W sold in the EU must meet EN61000-3-2 harmonic-current limits, which makes active CCM PFC mandatory. The ICE3PCS02GXUMA1 covers the 100-800W industrial range with its 85-265VAC input and 100 kHz switching capability. The 0.2V peak-current-limit threshold protects the boost MOSFET during output short and brown-out events common on industrial mains. The integrated digital control loop maintains PF >0.98 across the full load range from 10% to 100%, eliminating the need for a separate PF-measurement calibration step during production. Housed in PG-DSO-8, the IC survives the +85C industrial ambient without thermal derating up to 500W continuous output.
Recommended
Gaming Console and High-End Set-Top Box PSU
Gaming consoles and high-end set-top boxes demand 200-400W peak power with stringent standby power rules (EuP <0.5W). The ICE3PCS02GXUMA1's 1.4 mA typical quiescent current keeps no-load consumption below the EuP tier-2 threshold when paired with an LLC burst-mode controller. Its wide 85-265VAC range eliminates the voltage-selection switch found in legacy gaming PSUs, reducing assembly cost. The 21-100 kHz adjustable frequency allows the designer to place switching edges above 70 kHz to avoid audible noise from the boost inductor. The 8-pin PG-DSO package fits the compact PSU form factors required by slim console chassis.
Recommended
Server & Telecom Auxiliary Power Supply
Server and telecom auxiliary PSUs use the ICE3PCS02GXUMA1 as the PFC front-end for 80 PLUS Platinum and Titanium efficiency targets. The digital voltage loop maintains tight output regulation at 400V DC bus across a wide load step, critical for downstream hold-up during AC dropouts. Operating at 100 kHz switching frequency, the controller coordinates with an external LLC stage via its SYNC pin, preventing cross-stage beat frequencies that degrade EMI margin. The 0.2V current-sense threshold reduces conduction loss in the sense resistor by 60% versus the 0.5V-threshold ICE2 generation, a significant efficiency gain at 500W continuous operation.
Recommended
Plasma Display and Large-Format Monitor
Plasma TVs and large-format LCD monitors draw 300-600W with highly variable load profiles that stress PFC controllers. The ICE3PCS02GXUMA1's integrated digital control loop dynamically adjusts loop gain to maintain PF >0.95 even during plasma panel discharge events where load steps can reach 200W in 100 microseconds. Its -40C to +125C operating range handles the elevated ambient inside sealed plasma enclosures. The 8-pin PG-DSO package reduces manufacturing complexity versus the 14-pin predecessors, and the external synchronization input locks the PFC to the display's main switching regulator to avoid audio-band interference in the plasma driver circuits.
Recommended
Recommended Products Summary
Engineering reference data for ICE3PCS02GXUMA1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ICE3PCS01GXUMA1 | ICE3PCS03GXUMA1 | ICE3RBR1765JGXUMA1 | ICE2PCS02GXUMA1 | ICE2PCS01GXUMA1 |
|---|---|---|---|---|---|---|
| Package | PG-DSO-8 | PG-DSO-8 - same | PG-DSO-8 - same | PG-DSO-8 - same | PG-DSO-8 - same | PG-DSO-8 - same |
| Brand | Infineon | Infineon | Infineon | Infineon | Infineon | Infineon |
| Topology | CCM PFC Boost | CCM PFC Boost | CCM PFC Boost | Quasi-Resonant Flyback | CCM PFC Boost | CCM PFC Boost |
| Generation | 3rd Gen (ICE3) | 3rd Gen (ICE3) | 3rd Gen (ICE3) | 3rd Gen (ICE3) | 2nd Gen (ICE2) | 2nd Gen (ICE2) |
| Switching Frequency Range | 21-100 kHz | 21-100 kHz | 21-250 kHz | 65-130 kHz (valley switching) | 21-100 kHz | 21-100 kHz |
| Peak Current Limit Threshold | 0.2 V | 0.2 V | 0.2 V | 1.0 V | 0.5 V | 0.5 V |
| Control Method | Digital control loop | Digital control loop | Digital control loop | Digital control loop | External compensation | External compensation |
| External Synchronization | Yes | Yes | Yes | Yes | Yes | Yes |
| Quiescent Current (typ) | 1.4 mA | 1.4 mA | 1.5 mA | 1.0 mA | 2.5 mA | 2.5 mA |
Key Differentiators
- Integrated digital control voltage loop (vs ICE2PCS02GXUMA1)
- Lowest peak current limit threshold in the family (vs ICE3PCS01GXUMA1)
- Trimmed 2.5V internal reference (vs ICE2PCS02GXUMA1)
Design Notes
The ICE3PCS02GXUMA1 in PG-DSO-8 dissipates up to 0.5W at 100 kHz full load from gate-charge losses plus quiescent current. Estimated: at VIN=400V, switching losses P_sw = Qg * Vg * fsw with Qg=30nC, Vg=10V, fsw=100kHz yields P_sw=0.3W per phase. Place the IC on a copper pour of at least 1 square inch connected to GND to keep junction temperature below 100C in 70C ambient. For designs above 500W continuous, consider down-tuning switching frequency to 65 kHz to reduce gate-driver dissipation by 35%.
Keep the ISENSE trace short (under 10 mm) and away from the GATE trace to prevent switching-noise coupling that triggers false current-limit events. Place the 0.1uF VCC decoupling capacitor directly at pin 1 with a via-to-ground pattern. The FREQ resistor (typically 10-100 kOhm to GND) should be placed close to pin 6 to avoid frequency jitter from PCB capacitance. Use a star-ground topology with the controller GND, ISENSE ground, and VINS ground meeting at a single point to eliminate ground-loop noise.
Three common pitfalls when designing with the ICE3PCS02GXUMA1: (1) forgetting to populate the VCC start-up resistor from the rectified DC bus causes failure to start in designs where VCC cannot be derived from an auxiliary winding; (2) selecting a boost diode with insufficient reverse-voltage rating (must exceed 500V for 265VAC operation with margin); (3) setting switching frequency above 80 kHz with a ferrite-core boost inductor may push the core into saturation at low-line full-load. The 0.2V current-sense threshold also requires a low-inductance sense resistor (Kelvin connection recommended) to avoid false triggering.
Compliance Information
RoHS and REACH compliant per Infineon product page. Not AEC-Q100 qualified (industrial/consumer PFC, not automotive-grade).
