Overview
The NCP302045MNTWG is an integrated driver and MOSFET solution from ON Semiconductor, designed to optimize high-current DC-DC buck power conversion applications. This device combines a high-side MOSFET and a low-side MOSFET into a single package, significantly reducing package parasitics and board space compared to discrete component solutions. It is particularly suited for applications requiring high efficiency and reliability, such as in desktop and notebook microprocessors.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| VCC, VCCD | -0.3 | 6.5 | V |
| VIN | -0.3 | 30 | V |
| VIN to PHASE (DC) | -0.3 | 30 | V |
| Average Current | 45 | A | |
| Peak Current | 75 | A | |
| Switching Frequency | 2 MHz | ||
| PWM Input Compatibility | 3.3 V or 5 V | ||
| Package Type | PQFN-31 | ||
| Thermal Shutdown Temperature | Typically 150°C | °C |
Key Features
- Capable of average currents up to 45 A and peak currents up to 75 A.
- Supports switching frequencies up to 2 MHz.
- Compatible with 3.3 V or 5 V PWM inputs and responds properly to 3-level PWM inputs.
- Option for Zero Cross Detection with 3-level PWM.
- Internal bootstrap diode and undervoltage lockout.
- Supports Intel® Power State 4.
- Thermal warning output and thermal shutdown protection.
- Safety timer and overlap protection circuit to prevent cross-conduction of the MOSFETs.
Applications
The NCP302045MNTWG is primarily used in high-current DC-DC buck power conversion applications, particularly in:
- Desktop microprocessors.
- Notebook microprocessors.
Q & A
- What is the NCP302045MNTWG?
The NCP302045MNTWG is an integrated driver and MOSFET solution from ON Semiconductor, designed for high-current DC-DC buck power conversion applications.
- What are the key specifications of the NCP302045MNTWG?
Key specifications include average currents up to 45 A, peak currents up to 75 A, and switching frequencies up to 2 MHz. It is compatible with 3.3 V or 5 V PWM inputs and has a PQFN-31 package type.
- What are the main features of the NCP302045MNTWG?
Features include internal bootstrap diode, undervoltage lockout, support for Intel® Power State 4, thermal warning output, and thermal shutdown protection.
- What applications is the NCP302045MNTWG suited for?
It is suited for desktop and notebook microprocessors requiring high-current DC-DC buck power conversion.
- How does the NCP302045MNTWG prevent cross-conduction of the MOSFETs?
The device includes a safety timer and overlap protection circuit that monitors the status of the MOSFETs and applies the appropriate non-overlap time to prevent cross-conduction.
- What is the thermal shutdown temperature of the NCP302045MNTWG?
The thermal shutdown temperature is typically 150°C.
- Does the NCP302045MNTWG support zero cross detection?
Yes, it supports zero cross detection with 3-level PWM inputs.
- What package type does the NCP302045MNTWG use?
The NCP302045MNTWG uses a PQFN-31 package type.
- What is the maximum input voltage for the NCP302045MNTWG?
The maximum input voltage (VIN) is 30 V.
- How does the NCP302045MNTWG handle PWM inputs?
The device is compatible with 3.3 V or 5 V PWM inputs and responds properly to 3-level PWM inputs.
