Overview
The SCP302045MNTWG, produced by onsemi, is an integrated driver and MOSFET module designed for high-current DC-DC buck power conversion applications. This component is likely part of onsemi's family of integrated solutions that combine high-side and low-side MOSFETs into a single package, optimizing performance and reducing board space.
Given the similarity in part numbers, it is reasonable to assume that the SCP302045MNTWG shares many of the features and specifications of the NCP302045, such as high current handling, high switching frequencies, and advanced control mechanisms.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Average Current | Up to 45 | A |
| Peak Current | Up to 75 | A |
| Switching Frequency | Up to 2 MHz | |
| Supply Voltage (Min) | 4.5 | V |
| Supply Voltage (Max) | 5.5 | V |
| Operating Junction Temperature Range | -40 to +150 | °C |
| Operating Ambient Temperature Range | -40 to +125 | °C |
| Maximum Storage Temperature Range | -55 to +150 | °C |
| Thermal Resistance (JA) | 12.4 | °C/W |
Key Features
- Integrated high-side and low-side MOSFETs in a single package, reducing package parasitics and board space.
- 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 input and responds properly to 3-level PWM inputs.
- Option for Zero Cross Detection with 3-level PWM.
- Internal bootstrap diode and undervoltage lockout.
- Thermal warning output and thermal shutdown.
- Supports Intel® Power State 4.
Applications
The SCP302045MNTWG is designed for use in synchronous buck converter topologies, particularly in high-current DC-DC power conversion applications. It is suitable for powering desktop and notebook microprocessors, as well as other high-power electronic devices that require efficient and reliable power management.
Q & A
- What is the maximum average current the SCP302045MNTWG can handle?
The SCP302045MNTWG can handle average currents up to 45 A.
- What is the maximum switching frequency supported by the SCP302045MNTWG?
The SCP302045MNTWG supports switching frequencies up to 2 MHz.
- What are the supply voltage ranges for the SCP302045MNTWG?
The supply voltage ranges from 4.5 V to 5.5 V.
- Does the SCP302045MNTWG support Zero Cross Detection?
- What is the thermal warning temperature for the SCP302045MNTWG?
The thermal warning temperature is 150°C.
- What is the maximum storage temperature range for the SCP302045MNTWG?
The maximum storage temperature range is -55°C to +150°C.
- How does the SCP302045MNTWG prevent cross-conduction of the MOSFETs?
The SCP302045MNTWG prevents cross-conduction by applying non-overlap time between the turn-off of one MOSFET and the turn-on of the other MOSFET.
- What type of capacitor is recommended for the bootstrap circuit?
A multi-layer ceramic capacitor (MLCC) with a value greater than 100 nF is recommended for the bootstrap circuit.
- What is the purpose of the separate supply pin (VCC) in the SCP302045MNTWG?
The separate supply pin (VCC) is used to power the analog and digital circuits within the driver.
- What kind of decoupling capacitors are recommended for the SCP302045MNTWG?
A low-ESR capacitor, typically a multi-layer ceramic capacitor (MLCC) between 1 μF and 4.7 μF, should be placed near the power and ground pins.
