Infineon Buck Controller 2-Channel 40-Pin QFN IR35204MTRPBF

Infineon IR35204MTRPBF is a high-efficiency, dual-loop digital multi-phase buck controller designed specifically for CPU voltage regulation and power management applications in industrial and electronic systems. With 2 channel outputs and a 40-pin QFN surface-mount package, the device supports modern power management standards and delivers precise voltage control to meet demanding processor requirements.

This buck controller fully complies with Intel VR12 Rev 1.7, VR12.5 Rev 1.5, IMVP8 Rev 1.2, and AMD SVI2 Rev 1.06 specifications, ensuring compatibility and optimal performance in computing applications.

The device features IR Efficiency Shaping including Dynamic Phase Control and Automatic Power State Switching to maximize energy efficiency. Its programmable 1-phase or 2-phase operation adapts to load conditions, supported by Active Diode Emulation for ultra-light loads, minimizing power loss.

The innovative IR Adaptive Transient Algorithm (ATA) on both loops allows reduction of output bulk capacitors, lowering overall system cost while maintaining high transient response. Auto-phase detection with PID coefficient autoscaling further optimizes operation.

Robust fault protection is incorporated with Over Voltage Protection (OVP), Under Voltage Protection (UVP), Over Current Protection (OCP), Over Temperature Protection (OTP), and CAT_FLT fault signaling to ensure device and system reliability.

Communication interfaces such as I2C, SMBus, and PMBus allow real-time telemetry of temperature, voltage, current, and power for advanced system monitoring and control.

Suitable for industrial electronics, computing hardware power regulation, and power management IC applications requiring high switching frequency of 2 MHz, the IR35204MTRPBF offers compactness with a 5 mm length and 850 μm package height in a surface mount QFN package.

Operating input voltage ranges from 2.9 V minimum to 3.63 V maximum, with ambient temperature ratings from -40°C to 85°C, enabling use in various environmental conditions. Supports programmable 1-phase or 2-phase operation to optimize efficiency.

Includes IR Adaptive Transient Algorithm (ATA) for minimizing bulk capacitors. Complies with Intel and AMD voltage regulation standards. Equipped with multiple fault protection features for enhanced reliability. Provides I2C/SMBus/PMBus interfaces for system telemetry.

Operates at a switching frequency of 2 MHz for high-speed regulation. Compact QFN package sized 5 mm by 850 μm for space-constrained designs. Designed for input voltages from 2.9V to 3.63V and wide temperature range.

This Infineon buck controller is ideal for applications in industrial power management, computing devices, telecom infrastructure, and other electronic systems requiring efficient voltage regulation and monitoring.

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