Overview
The ICE2PCS02GFUMA1, produced by Infineon Technologies, is a second-generation Continuous Conduction Mode (CCM) Power Factor Correction (PFC) controller. It is designed specifically for power supply and lighting drivers, integrating both PFC and half-bridge (HB) controllers. This IC employs BiCMOS technology and offers several improvements over its predecessors, including a wider Vcc operating range, an improved internal oscillator, and additional protection features such as direct bulk capacitor over-voltage protection.
Key Specifications
| Parameter | Specification |
|---|---|
| Package Type | DSO-8 |
| Operating Voltage Range (Vcc) | 11V to 25V |
| Input Voltage Range | 85 VAC to 265 VAC |
| Switching Frequency | Programmable (50kHz - 250kHz), Fixed at 65kHz for ICE2PCS02G |
| Max Duty Cycle | 95% (at 25°C) at 125kHz |
| Internal Reference Voltage | 3V ± 2% at 25°C |
| Gate Drive Current | 1.5A source, 2.0A sink |
| Protection Features | VCC Under-Voltage Lockout, Cycle by Cycle Peak Current Limiting, Output Over-Voltage Protection, Open Loop Detection, Soft Overcurrent Protection |
Key Features
- Ease of use with few external components required
- Supports wide input range and average current control
- External current and voltage loop compensation for greater user flexibility
- Programmable operating/switching frequency (50kHz - 250kHz)
- Enhanced dynamic response and short startup (soft-start) duration
- Integrated protection features including VCC under-voltage lockout, cycle by cycle peak current limiting, output over-voltage protection, open loop detection, and soft overcurrent protection
- Fulfills Class D requirements of IEC 1000-3-2
Applications
- PC silverbox power supplies
- Server power supplies
- Industrial Switch-Mode Power Supplies (SMPS)
Q & A
- What is the ICE2PCS02GFUMA1 used for?
The ICE2PCS02GFUMA1 is used for power factor correction in power supply and lighting drivers, particularly in continuous conduction mode (CCM) applications.
- What are the key improvements over the first generation of ICE1PCS01/02?
The second-generation ICE2PCS02G has a wider Vcc operating range, an improved internal oscillator, and additional protection features such as direct bulk capacitor over-voltage protection.
- What is the operating voltage range for the Vcc of the ICE2PCS02GFUMA1?
The operating voltage range for Vcc is from 11V to 25V.
- What are the input voltage range and switching frequency of the ICE2PCS02GFUMA1?
The input voltage range is from 85 VAC to 265 VAC, and the switching frequency is programmable between 50kHz and 250kHz, with a fixed frequency of 65kHz for the ICE2PCS02G.
- What protection features are integrated into the ICE2PCS02GFUMA1?
The IC includes VCC under-voltage lockout, cycle by cycle peak current limiting, output over-voltage protection, open loop detection, and soft overcurrent protection.
- Does the ICE2PCS02GFUMA1 fulfill any specific standards?
Yes, it fulfills the Class D requirements of IEC 1000-3-2.
- What are the typical applications of the ICE2PCS02GFUMA1?
Typical applications include PC silverbox power supplies, server power supplies, and industrial SMPS.
- How does the ICE2PCS02GFUMA1 enhance system safety and reduce BOM cost?
The integrated protection features save system BOM cost and enhance system safety by reducing the need for external components.
- What is the gate drive capability of the ICE2PCS02GFUMA1?
The gate drive has a capability of 1.5A instantaneous source and 2.0A instantaneous sink current.
- Can the ICE2PCS02GFUMA1 be put into standby mode?
Yes, the IC can be turned off and forced into standby mode by pulling down the voltage at pin 6 (VSENSE) to lower than 0.6V, or during a Brown-out condition.
