Overview
The NCP302155MNTWG, produced by onsemi, is an integrated driver and MOSFET module designed for high-current DC-DC buck power conversion applications. This module integrates a MOSFET driver, high-side MOSFET, and low-side MOSFET into a single package, significantly reducing package parasitics and board space compared to discrete component solutions. It is optimized for synchronous buck converter topologies and supports various application control definitions, including Zero Current Detect (ZCD) and PWM Tristate control.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Average Current Capability | - | - | - | - | 55 | A |
| Switching Frequency | - | - | - | - | 2 | MHz |
| PWM Input Compatibility | - | 3.3 V or 5 V | - | - | - | V |
| Thermal Warning Temperature | TTHWN | - | - | 150 | °C | |
| Thermal Shutdown Temperature | TTHDN | - | - | 180 | °C | |
| Junction Temperature Range | - | -40 to 125 | -40 | - | 125 | °C |
| High-Side Driver Sourcing Peak Current | ISOURCE_GH | - | - | 2 | A | |
| Low-Side Driver Sinking Peak Current | ISINK_GL | - | - | 4.5 | A |
Key Features
- Integrated MOSFET driver, high-side MOSFET, and low-side MOSFET in a single package.
- Capable of average currents up to 55 A and switching frequencies up to 2 MHz.
- Compatible with 3.3 V or 5 V PWM input and supports 3-level PWM inputs.
- Option for Zero Cross Detection with 3-level PWM.
- Internal bootstrap diode and thermal warning/output.
- Undervoltage lockout and thermal shutdown protection.
- Supports Intel® Power State 4.
- Non-overlap delay and overlap protection circuit to prevent cross-conduction of MOSFETs.
Applications
- Notebook, Tablet PC, and Ultrabook power management.
- Servers and Workstations: V-Core and Non-V-Core DC-DC converters.
- Desktop and All-in-One Computers: V-Core and Non-V-Core DC-DC converters.
- High-Current DC-DC Point-of-Load Converters.
- Small Form-Factor Voltage Regulator Modules.
Q & A
- What is the NCP302155MNTWG used for?
The NCP302155MNTWG is used for high-current DC-DC buck power conversion applications, particularly in synchronous buck converter topologies.
- What are the key components integrated into the NCP302155MNTWG?
The module integrates a MOSFET driver, high-side MOSFET, and low-side MOSFET into a single package.
- What are the maximum average current and switching frequency capabilities of the NCP302155MNTWG?
The module can handle average currents up to 55 A and switching frequencies up to 2 MHz.
- What PWM input voltages is the NCP302155MNTWG compatible with?
The module is compatible with 3.3 V or 5 V PWM input.
- Does the NCP302155MNTWG support Zero Cross Detection?
Yes, the module supports Zero Cross Detection with 3-level PWM inputs.
- What thermal protection features does the NCP302155MNTWG have?
The module includes thermal warning/output and thermal shutdown protection.
- What is the purpose of the bootstrap circuit in the NCP302155MNTWG?
The bootstrap circuit provides the necessary voltage to the high-side driver using an external capacitor and integrated diode.
- How does the NCP302155MNTWG prevent cross-conduction of the MOSFETs?
The module includes a non-overlap delay and overlap protection circuit to prevent cross-conduction of the MOSFETs.
- What are some common applications of the NCP302155MNTWG?
Common applications include notebook, tablet PC, and ultrabook power management, as well as servers, workstations, and desktop computers.
- What is the junction temperature range of the NCP302155MNTWG?
The junction temperature range is from -40°C to 125°C.
