Overview
The NCP6133MNTWG, produced by onsemi, is a dual output 1/2/3 phase plus 1/0 buck solution PWM controller. This controller is optimized for Intel VR12 compatible CPUs and is designed for both desktop and notebook applications. It features advanced technologies such as true differential voltage sensing, differential inductor DCR current sensing, input voltage feed-forward, and adaptive voltage positioning to provide accurately regulated power. The controller uses Dual-Edge pulse-width modulation (PWM) combined with DCR current sensing, ensuring the fastest initial response to dynamic load events and reduced system cost.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Switching Frequency Range | 200 kHz | - | 1.0 MHz | - | - |
| VCC Voltage | -0.3 V | - | 6.5 V | V | - |
| Operating Junction Temperature Range | -10°C | - | 125°C | °C | - |
| Operating Ambient Temperature Range | -10°C | - | 100°C | °C | - |
| Maximum Storage Temperature Range | -40°C | - | 150°C | °C | - |
| Thermal Characteristic - QFN Package | - | 68 | - | °C/W | JESD 51-5 (1S2P Direct-Attach Method) with 0 LFM |
| Overcurrent Protection (Core Rail) ILIM Threshold Current | 15/N | - | - | µA | (PS1, PS2, PS3) Rlim = 20 k, N = number of phases in PS0 mode |
Key Features
- Meets Intel VR12/IMVP7 Specifications
- Current Mode Dual Edge Modulation for Fastest Initial Response to Transient Loading
- Dual High Performance Operational Error Amplifier
- One Digital Soft Start Ramp for Both Rails
- Dynamic Reference Injection
- Accurate Total Summing Current Amplifier
- DAC with Droop Feed-forward Injection
- Dual High Impedance Differential Voltage and Total Current Sense Amplifiers
- Phase-to-Phase Dynamic Current Balancing
- 'Lossless' DCR Current Sensing for Current Balancing
- Summed Thermally Compensated Inductor Current Sensing for Droop
- True Differential Current Balancing Sense Amplifiers for Each Phase
- Adaptive Voltage Positioning (AVP)
- Power Saving Phase Shedding
- Vin Feed Forward Ramp Slope
- Pin Programming for Internal SVID Parameters
- Over Voltage Protection (OVP) and Under Voltage Protection (UVP)
- Over Current Protection (OCP)
- Dual Power Good Output with Internal Delays
- Pb-Free and RoHS Compliant
Applications
- Desktop & Notebook Processors
- Server Processors and Memory Power
Q & A
- What is the NCP6133MNTWG optimized for?
The NCP6133MNTWG is optimized for Intel VR12 compatible CPUs.
- What are the key modulation techniques used in the NCP6133MNTWG?
The controller uses Dual-Edge pulse-width modulation (PWM) combined with DCR current sensing.
- What are the operating temperature ranges for the NCP6133MNTWG?
The operating junction temperature range is -10°C to 125°C, and the operating ambient temperature range is -10°C to 100°C.
- What are the key protection features of the NCP6133MNTWG?
The controller includes Over Voltage Protection (OVP), Under Voltage Protection (UVP), and Over Current Protection (OCP).
- What is the switching frequency range of the NCP6133MNTWG?
The switching frequency range is 200 kHz to 1.0 MHz.
- Does the NCP6133MNTWG support phase shedding?
Yes, it supports power saving phase shedding during light load operation.
- What is the purpose of the Dynamic Reference Injection feature?
The Dynamic Reference Injection feature simplifies loop compensation by eliminating the need to compromise between closed-loop transient response and Dynamic VID performance.
- Is the NCP6133MNTWG Pb-Free and RoHS Compliant?
Yes, the device is Pb-Free and RoHS Compliant.
- What are the typical applications of the NCP6133MNTWG?
The typical applications include desktop and notebook processors, as well as server processors and memory power.
- How does the NCP6133MNTWG handle overcurrent protection?
The controller has overcurrent protection with ILIM threshold current settings and a maximum timer for OCP shutdown.
- What is the thermal characteristic of the QFN package for the NCP6133MNTWG?
The thermal characteristic is 68°C/W according to JESD 51-5 (1S2P Direct-Attach Method) with 0 LFM.
