Overview
The NCP81022NMNTXG is a dual output, 4-phase plus 1-phase digital controller designed by onsemi. This integrated circuit is optimized for AMD® SVI2 CPUs and is particularly suited for desktop and notebook applications. It combines advanced features such as true differential voltage sensing, differential inductor DCR current sensing, input voltage feed-forward, and adaptive voltage positioning to provide highly accurate and regulated power. The controller uses Dual-Edge pulse-width modulation (PWM) combined with DCR current sensing, ensuring ultra-fast initial response to dynamic load events and reduced system cost.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 4.75 ~ 5.25 | V |
| Supply Current | 48 | mA |
| Operating Temperature Range | -10°C ~ 100°C | °C |
| Package Type | 52-VFQFN Exposed Pad | |
| Switching Frequency Range | 240 ~ 1000 | kHz |
| UVLO Threshold (VCC rising) | 4.5 | V |
| UVLO Threshold (VCC falling) | 3.9 | V |
| UVLO Hysteresis | 200 | mV |
Key Features
- Advanced Voltage Sensing and Regulation: True differential voltage sensing and adaptive voltage positioning ensure accurate power delivery.
- DCR Current Sensing: Provides ultra-fast response to dynamic load events and reduces system cost.
- Dual-Edge PWM: Combines with DCR current sensing for efficient and fast power management.
- Overcurrent Protection: Includes mechanisms for immediate and delayed overcurrent shutdown to protect the system.
- Compact Package: 52-VFQFN Exposed Pad package suitable for space-constrained applications.
- SVI2 Interface: Meets AMD's SVI2 specifications for seamless integration with AMD CPUs.
- Dynamic Reference Injection: Simplifies loop compensation by eliminating the need for external components.
Applications
The NCP81022NMNTXG is designed for systems that require precise voltage management and safety mechanisms, particularly in:
- Desktop and Notebook CPUs: Optimized for AMD SVI2 CPUs, making it ideal for high-performance computing applications.
- Power Management Systems: Suitable for any system needing robust power regulation and protection against voltage anomalies.
- Embedded Systems: Its compact package and advanced features make it a good fit for space-constrained embedded systems.
Q & A
- What is the primary function of the NCP81022NMNTXG?
The primary function is to provide dual output, 4-phase plus 1-phase digital power management optimized for AMD SVI2 CPUs.
- What is the operating temperature range of the NCP81022NMNTXG?
The operating temperature range is -10°C to 100°C.
- What type of package does the NCP81022NMNTXG come in?
The NCP81022NMNTXG comes in a 52-VFQFN Exposed Pad package.
- Does the NCP81022NMNTXG support overcurrent protection?
Yes, it includes mechanisms for immediate and delayed overcurrent shutdown.
- What is the switching frequency range of the NCP81022NMNTXG?
The switching frequency range is 240 kHz to 1000 kHz.
- Is the NCP81022NMNTXG compatible with AMD SVI2 CPUs?
Yes, it meets AMD's SVI2 specifications.
- What is the supply voltage range for the NCP81022NMNTXG?
The supply voltage range is 4.75V to 5.25V.
- Does the NCP81022NMNTXG have built-in voltage sensing and regulation features?
Yes, it includes true differential voltage sensing and adaptive voltage positioning.
- What is the purpose of the Dynamic Reference Injection feature in the NCP81022NMNTXG?
The Dynamic Reference Injection feature simplifies loop compensation by eliminating the need for external components.
- Is the NCP81022NMNTXG suitable for space-constrained applications?
Yes, its compact 52-VFQFN package makes it suitable for space-constrained applications.
