Overview
The ICE2PCS02GXUMA1 is a second-generation Continuous Conduction Mode (CCM) Power Factor Correction (PFC) controller produced by Infineon Technologies. This IC employs BiCMOS technology and is designed for active power factor correction converters in boost topology. It offers several improvements over its predecessors, including a lower internal reference voltage trimmed at 3V, a wider Vcc operating range, and enhanced internal oscillator performance. Additionally, it features direct bulk capacitor over-voltage protection and other safety mechanisms to ensure reliable operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | PG-DSO-8 | |
| Maximum Vcc Voltage | 25 | V |
| Internal Reference Voltage | 3V ± 2% at 25°C | V |
| Programmable Switching Frequency | 50kHz - 250kHz | Hz |
| Maximum Duty Cycle | 95% at 125kHz and 25°C | % |
| Input Brown-Out Detection | < 0.71V | V |
| Under-Voltage Lockout (UVLO) | 11V | V |
| Gate Drive Current | 1.5A source, 2.0A sink | A |
| Input Voltage Range | 85 - 265 VAC | VAC |
Key Features
- Ease of use with few external components
- Supports wide input range
- Average current control
- External current and voltage loop compensation for greater user flexibility
- Programmable operating/switching frequency (50kHz - 250kHz)
- Max duty cycle of 95% (at 25°C) at 125kHz
- Trimmed internal reference voltage (3V ± 2% at 25°C)
- VCC under-voltage lockout
- Cycle by cycle peak current limiting
- Output over-voltage protection
- Open loop detection
- Enhanced dynamic response
- Short startup (soft-start) duration
- Fulfills Class D requirements of IEC 1000-3-2
- Soft overcurrent protection
Applications
- PC silverbox power supplies
- Server power supplies
- Industrial Switch-Mode Power Supplies (SMPS)
Q & A
- What is the ICE2PCS02GXUMA1 used for?
The ICE2PCS02GXUMA1 is used as a Power Factor Correction (PFC) controller in continuous conduction mode (CCM) for active power factor correction converters in boost topology.
- What is the internal reference voltage of the ICE2PCS02GXUMA1?
The internal reference voltage is trimmed at 3V ± 2% at 25°C.
- What is the maximum Vcc voltage for the ICE2PCS02GXUMA1?
The maximum Vcc voltage is 25V.
- What is the programmable switching frequency range of the ICE2PCS02GXUMA1?
The programmable switching frequency range is 50kHz to 250kHz.
- What protection features does the ICE2PCS02GXUMA1 have?
The IC includes features such as VCC under-voltage lockout, cycle by cycle peak current limiting, output over-voltage protection, open loop detection, and soft overcurrent protection.
- What is the input voltage range supported by the ICE2PCS02GXUMA1?
The input voltage range is from 85 to 265 VAC.
- Does the ICE2PCS02GXUMA1 fulfill any specific standards?
Yes, it fulfills the Class D requirements of IEC 1000-3-2.
- What is the gate drive current capability of the ICE2PCS02GXUMA1?
The gate drive current capability is 1.5A source and 2.0A sink.
- How does the ICE2PCS02GXUMA1 handle startup?
The IC has a short startup (soft-start) duration to reduce stress on the system.
- What are some typical applications of the ICE2PCS02GXUMA1?
Typical applications include PC silverbox power supplies, server power supplies, and industrial SMPS.
