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ONSEMI NCP81174MNTXG Multi-phase Buck Controller

The NCP81174 is a versatile multi-phase synchronous buck controller designed for high-efficiency power management in computing and graphics applications. Supporting up to four phases, it features differential voltage and current sensing, PWM VID interface, and remote voltage sensing for precise regulation. Equipped with power saving modes, overcurrent, and overvoltage protections, it operates at switching frequencies up to 1 MHz. Its compact QFN-32 package and adaptive transient response make it suitable for CPU, GPU, and graphics card power solutions, ensuring reliable and dynamic voltage control.

Authorized Distributors
Source:DigiKey
Part No:NCP81174MNTXG
Stock:2141
Inv Date:06-10-2026
Price: Unit price: $2.1
Buy/RFQ:
Part No:NCP81174MNTXG
Stock:2434
Inv Date:06-11-2026
Price: Unit price: $2.1
Buy/RFQ:

ONSEMI NCP81174MNTXG Multi-phase Buck Controller Specifications:

  • Support for 2, 3, or 4-phase operation with adaptive mode switching
  • Output Voltage up to 2.0 V with PWM VID Interface supporting 1.8 V and 3.3 V levels
  • Remote differential voltage sense with differential current sensing for each phase
  • Switching frequency range from 200 kHz to 1,000 kHz
  • Power saving modes based on processor PSI input (High, Medium, Low), configurable for 3.3 V or 1.8 V I/O systems
  • Supports fast transient response with dual-edge multi-phase PWM modulation
  • Built-in overcurrent, overvoltage, and undervoltage protections with latched features
  • Internal 5 V shunt regulator for power supply stabilization
  • Thermal compensation amplifier with VDRP and VDFB pins for droop control and temperature correction
  • High switching frequency allows the use of small inductors and capacitors, enabling a compact design
  • Package: QFN-32, 5 x 5 mm with 0.5 mm pitch, Pb-Free compliant

Buy the ON Semiconductor NCP81174 – Reliable Multi-Phase Buck Controller for Industrial Applications

Purchase the ON Semiconductor NCP81174 multi-phase buck controller online today to enable efficient power management in your computing and graphics projects. Its advanced differential sensing, PWM VID interface, and multiple protection features guarantee reliable operation. Compact and versatile, this controller supports up to four phases with high switching frequency, making it ideal for CPU, GPU, and graphics card power regulation. Get yours now and experience seamless performance with a proven industrial-grade component designed for demanding applications.

Order your ON Semiconductor NCP81174 multi-phase synchronous buck controller today and ensure high efficiency and precise voltage regulation for your power solutions.

Frequently Asked Questions

Where can I buy ONSEMI NCP81174MNTXG?

You can click on the BUY or RFQ button to purchase NCP81174MNTXG from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part NCP81174MNTXG?

You can download the NCP81174MNTXG datasheet or visit the ONSEMI website for support.

Who is the manufacturer of NCP81174MNTXG?

ONSEMI

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