Infineon Technologies ICE2PCS06GHUMA1

Overview

ICE2PCS06GHUMA1 from Infineon Technologies is a standalone Continuous Conduction Mode (CCM) Power Factor Correction (PFC) controller IC for boost-topology AC-DC front-ends. It delivers average current control, fixed 65 kHz switching frequency (±5% at 25°C), 3 V ±2% internal reference, and input brown-out protection with hysteresis (turn-on at VINS > 1.5 V, shutdown at VINS < 0.71 V). Used in universal-input (85–265 VAC) SMPS for LED drivers, industrial power supplies, and Class D-compliant consumer electronics.

For engineers reviewing the ICE2PCS06GHUMA1 datasheet, ICE2PCS06GHUMA1 pinout, ICE2PCS06GHUMA1 application, or ICE2PCS06GHUMA1 equivalent, key selection criteria include its CCM average-current architecture, external voltage/current loop compensation flexibility, soft-start behavior, cycle-by-cycle peak current limiting, and gate drive capability supporting MOSFETs up to 15 V clamp.

Technical Context

The ICE2PCS06GHUMA1 implements a cascaded dual-loop control architecture: an inner current loop regulates sinusoidal input current via ISENSE feedback and average current sensing, while the outer voltage loop maintains regulated DC bus voltage using VSENSE feedback referenced to a trimmed 3 V internal reference. Both loops use externally compensated OTA stages (ICOMP and VCOMP pins) for full design flexibility.

It operates exclusively in CCM under normal load, entering DCM only at light loads - still meeting IEC 61000-3-2 Class D harmonic limits. Protection logic integrates input brown-out detection (VINS), output over-voltage (OVP), open-loop (OLP), soft overcurrent (SOC), and cycle-by-cycle peak current limiting - all triggering controlled standby mode without latch-off.

Key Specifications

Pinout & Package

ICE2PCS06GHUMA1 is housed in a PG-DSO-8 (SOIC-8) surface-mount package with standard 1.27 mm pitch and exposed pad thermal enhancement per Infineon's outline drawing.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar standalone CCM PFC controller applications.

Compared with ICE2PCS05G, ICE2PCS06GHUMA1 adds dedicated brown-out protection for improved reliability in unstable grids; versus UCC28070, it offers simpler single-phase implementation at lower cost and board area, but lacks interleaving and programmability.

Availability

ICE2PCS06GHUMA1 is available at Aetrix Electronics and suitable for LED driver front-ends, industrial AC-DC power supplies, and consumer audio amplifier PSUs requiring stable component supply, long-term lifecycle support, and full traceability.

Supply support for ICE2PCS06GHUMA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with global manufacturing and quality certification to ISO 9001 and IATF 16949.

The ICE2PCS series targets cost-sensitive, high-volume active PFC applications in universal-input offline power supplies, emphasizing ease of design, minimal external components, and compliance-ready performance.

FAQ

What is the purpose of the VINS pin on ICE2PCS06GHUMA1?

The VINS pin provides dedicated input brown-out detection by sensing a scaled version of the rectified AC line voltage. When VINS falls below 0.71 V, the IC shuts down; it restarts when VINS rises above 1.5 V. This hysteresis prevents oscillation during marginal line conditions and eliminates reliance on VSENSE for brown-out sensing - preserving OVP accuracy and improving system robustness in unstable utility environments.

Can ICE2PCS06GHUMA1 operate in Discontinuous Conduction Mode (DCM)?

ICE2PCS06GHUMA1 is designed for Continuous Conduction Mode (CCM) operation and maintains average current control in CCM across full load range. Under very light loads, the boost inductor may naturally enter DCM due to reduced current, but the IC does not actively control or optimize for DCM. Its protection features and loop dynamics remain valid, and IEC 61000-3-2 Class D compliance is maintained even in this transitional region.

How is the output voltage regulated using VSENSE and the internal reference?

VSENSE connects to a resistive divider across the DC bus. The internal 3.0 V ±2% reference is compared against the divided voltage. When VSENSE < 3 V, the voltage error amplifier (OTA1) increases its output at VCOMP, raising the current command and thus the average input current - boosting the output voltage. At regulation, VSENSE = 3 V, establishing precise DC bus setpoint (e.g., 385 V with 127:1 divider ratio).

Does ICE2PCS06GHUMA1 require an external auxiliary supply for VCC?

Yes - VCC must be supplied by an external auxiliary winding or dedicated bias supply delivering 11–26 V DC. The IC has no internal high-voltage start-up circuitry. During startup, VCC must exceed 11.8 V while VINS > 1.5 V and VSENSE > 0.6 V to enable gate drive. Typical auxiliary supplies derive from the main transformer's auxiliary winding or a separate flyback circuit, decoupled with ≥10 µF low-ESR capacitor.