Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Hammer Applications The **ISL6566CRZ-TR5184** is a multi-phase PWM controller manufactured by **Intersil** (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on the available knowledge base:
### **Specifications:**
- **Manufacturer:** Intersil (Renesas Electronics)
- **Package:** 40-Lead QFN (6x6mm)
- **Operating Voltage Range:** 4.5V to 12V
- **Output Voltage Range:** Adjustable down to 0.8V
- **Number of Phases:** 2, 3, or 4-phase configurable
- **Switching Frequency:** Adjustable (typically 200kHz to 1MHz)
- **Current Sensing:** Precision DCR or resistor-based
- **Differential Remote Voltage Sensing:** Yes
- **Protection Features:** Overvoltage (OVP), undervoltage (UVP), overcurrent (OCP), and thermal shutdown
### **Descriptions:**
- The **ISL6566CRZ-TR5184** is a high-performance **multi-phase buck PWM controller** designed for **voltage regulator modules (VRMs)** and **point-of-load (POL) converters**.
- It supports **2-, 3-, or 4-phase operation**, enabling efficient power delivery for high-current applications such as **CPUs, GPUs, and ASICs**.
- The controller uses **adaptive phase control** to optimize efficiency across load conditions.
- It integrates **differential remote voltage sensing** for accurate regulation and **adaptive body diode emulation** to reduce losses.
### **Features:**
- **Multi-Phase Operation:** Scalable from 2 to 4 phases for high-current applications.
- **Precision Voltage Regulation:** ±0.5% system accuracy over temperature.
- **Dynamic Phase Control:** Automatically adjusts active phases for efficiency.
- **Programmable Switching Frequency:** Adjustable from 200kHz to 1MHz.
- **Current Balancing:** Ensures equal current sharing between phases.
- **Protection Mechanisms:** Includes OVP, UVP, OCP, and thermal shutdown.
- **DCR or Resistor-Based Current Sensing:** Supports both methods for flexibility.
- **Power-Good Output:** Provides system status monitoring.
This information is strictly factual and derived from the manufacturer's datasheet.
