5-Bit VID Single-Phase Voltage Regulator with Current Monitor for GPU Core Power The ISL6263CHRZ is a voltage regulator IC manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on available factual information:
### **Specifications:**
- **Manufacturer:** INTERSIL (now Renesas Electronics)
- **Part Number:** ISL6263CHRZ
- **Package:** 40-Lead QFN (6x6 mm)
- **Input Voltage Range:** 4.5V to 25V
- **Output Voltage Range:** Adjustable (supports Intel IMVP-6+ specifications)
- **Output Current:** Supports multi-phase (up to 2-phase) configurations
- **Switching Frequency:** Adjustable (300kHz to 1MHz)
- **Operating Temperature Range:** -40°C to +85°C
- **Efficiency:** High efficiency with adaptive voltage positioning (AVP)
### **Descriptions:**
- The ISL6263CHRZ is a **PWM controller** designed for **CPU core voltage regulation** in notebook computers.
- It complies with **Intel IMVP-6+** specifications for dynamic voltage scaling.
- Supports **2-phase buck converter** operation with integrated MOSFET drivers.
- Features **adaptive voltage positioning (AVP)** for improved transient response.
### **Features:**
- **Multi-Phase Operation:** Supports 1 or 2-phase configurations for scalable current delivery.
- **Dynamic Voltage Scaling:** Adjusts output voltage based on CPU load (IMVP-6+ compliant).
- **Integrated MOSFET Drivers:** Reduces external component count.
- **Programmable Switching Frequency:** Adjustable from 300kHz to 1MHz.
- **Overcurrent & Overvoltage Protection:** Enhances system reliability.
- **Thermal Monitoring:** Includes thermal shutdown protection.
- **AVP (Adaptive Voltage Positioning):** Optimizes transient response and reduces output capacitance.
This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application notes, refer to the official datasheet from Renesas Electronics.
