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ISL95870HRUZ-T from INTERSIL

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ISL95870HRUZ-T

Manufacturer: INTERSIL, 长期INTE, INTE

PWM DC/DC Controller with VID Inputs for Portable GPU Core-Voltage Regulator

Partnumber Manufacturer Quantity Availability
ISL95870HRUZ-T,ISL95870HRUZT INTERSIL, 长期INTE, INTE 17018 In Stock

Description and Introduction

PWM DC/DC Controller with VID Inputs for Portable GPU Core-Voltage Regulator The ISL95870HRUZ-T is a power management IC (PMIC) manufactured by Renesas Electronics (formerly Intersil). Below are the factual specifications, descriptions, and features from the available knowledge base:

### **Specifications:**  
- **Manufacturer:** Renesas Electronics (Intersil)  
- **Part Number:** ISL95870HRUZ-T  
- **Package:** 40-Lead QFN (6x6 mm)  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Programmable (supports multi-phase operation)  
- **Number of Phases:** 2-Phase or 3-Phase Configurable  
- **Switching Frequency:** Adjustable (300kHz to 1MHz)  
- **Operating Temperature Range:** -40°C to +105°C  
- **Control Method:** Voltage Mode PWM Controller  

### **Descriptions:**  
The ISL95870HRUZ-T is a high-efficiency, multi-phase PWM controller designed for CPU and GPU power applications. It supports 2-phase or 3-phase operation with adaptive voltage positioning (AVP) and dynamic phase shedding for improved efficiency across load conditions.  

### **Features:**  
- **Multi-Phase Operation:** Supports 2-phase or 3-phase configurations.  
- **Adaptive Voltage Positioning (AVP):** Enhances transient response.  
- **Dynamic Phase Shedding:** Improves efficiency at light loads.  
- **Programmable Switching Frequency:** 300kHz to 1MHz.  
- **Integrated MOSFET Drivers:** Supports high-side and low-side drivers.  
- **Overcurrent, Overvoltage, and Undervoltage Protection:** Ensures system safety.  
- **Digital Soft-Start and Soft-Stop:** Reduces inrush current.  
- **I²C Interface:** Allows for dynamic voltage scaling (DVS) and monitoring.  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application notes, refer to the official Renesas/Intersil datasheet.

Application Scenarios & Design Considerations

PWM DC/DC Controller with VID Inputs for Portable GPU Core-Voltage Regulator

Alternative Part Number

  • TPS51631ARGRR --: Single-phase buck controller for CPU/GPU core power with similar VR controller function and comparable package, widely available alternative to the ISL95870.
  • NCP81174MNTXG --: Multi-phase PWM buck controller for CPU/GPU VR applications, functionally similar to the ISL95870 and suitable as a drop-in design alternative.
  • RT8859MGQW --: Integrated PWM controller for CPU core power with comparable VR controller features and package, offering a cost-effective alternative.
  • RT8816AGQW --: Single-phase PWM controller for CPU/GPU core power with similar VR controller function and comparable package, suitable as a functional substitute.
  • TPS51624RSMR --: Single-phase step-down controller for processor core power with comparable control features and package, usable as an alternative with design verification.

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