ChipApex | Global Electronic Components Supplier
NCP81119AMNTXG
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC REG BUCK CTLR 32QFN
- Series：-
- Mfr：onsemi
- Package：Bulk
- Output Type：-
- Function：-
- Output Configuration：-
- Topology：-
- Number of Outputs：-
- Output Phases：-
- Voltage - Supply (Vcc/Vdd)：-
- Frequency - Switching：-
- Duty Cycle (Max)：-
- Synchronous Rectifier：-
- Clock Sync：-
- Serial Interfaces：-
- Control Features：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
Download product information
Overview
The NCP81119AMNTXG is a multi-phase buck controller optimized for Intel VR12.5 compatible CPUs, supporting user-configurable 4, 3, 2, or 1 phases. It utilizes dual-edge PWM and DCR current sensing for fast transient response. The device features adaptive voltage positioning, dynamic reference injection, and total current summing for accurate monitoring. Designed for desktop and notebook applications, it offers phase shedding and auto frequency scaling at light loads while maintaining high performance.
Feature Summary
- Supports configurable multi-phase operation (4/3/2/1) for Intel VR12.5 compatible processors
- Employs dual-edge pulse-width modulation with lossless DCR current sensing for rapid transient response
- Integrates patented dynamic reference injection to simplify loop compensation without compromising performance
- Provides accurate digital current monitoring via total current summing and differential voltage sensing
Applications
- Desktop CPU power delivery systems
- Notebook processor power regulation
- Intel VR12.5 compatible multi-phase buck solutions
Procurement Notes
Verify the exact part number suffix against official onsemi documentation to ensure correct package and temperature grade specifications. Confirm availability status as distribution channels may vary. Cross-reference datasheet revisions to ensure compatibility with current design requirements and regulatory standards before finalizing procurement decisions.
Selection Notes
Select this component for designs requiring precise multi-phase control for Intel VR12.5 compliant CPUs. It is suitable for applications needing fast transient response through dual-edge modulation and efficient light-load operation via phase shedding. Ensure the design supports DCR sensing requirements and leverages the integrated error amplifiers for stable compensation.
Part Context
This device belongs to onsemi's portfolio of PMIC switching controllers designed for high-performance computing. It addresses the power delivery needs of modern processors by combining digital control features with analog precision. The NCP81119 series is engineered to meet stringent voltage regulator specifications for both mobile and desktop platforms.
Replacement Considerations
Consult official onsemi substitution guides for verified alternatives. Do not assume pin-to-pin compatibility with other models without explicit manufacturer confirmation.
