Overview
The STD28P3LLH6AG is an automotive-grade P-channel power MOSFET produced by STMicroelectronics. This device is designed to provide robust protection against reverse polarity events in automotive systems, ensuring the integrity and safety of electronic control units (ECUs) and other critical components. It leverages STMicroelectronics' advanced trench technology, which is qualified according to AEC Q101 standards, making it highly suitable for demanding automotive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | DPAK (TO-252) |
| BVDSS @ -250 mA | -30 V |
| RDSon @ VGS = -4.5V, ID = -6A max | 50 mΩ |
| RDSon @ VGS = -10V, ID = -6A max | 30 mΩ |
| VGS(th) @ -250 mA | -1V ÷ -2.5V |
| Switch-off Time | Approximately 346 µs with a -87 A current peak |
Key Features
- Low RDSon: Offers a low on-resistance of 30 mΩ at VGS = -10V, ID = -6A, ensuring minimal power losses.
- High Ruggedness: Demonstrates high ruggedness against repetitive pulse sequences, adhering to ISO 7637 Pulse 1 conditions.
- Reverse Polarity Protection: Effectively protects against static, dynamic, and repetitive reverse polarity events, preventing damage to automotive electronics.
- Automotive Grade: Qualified according to AEC Q101 standards, ensuring reliability and performance in automotive applications.
- Simple Circuit Integration: Requires minimal additional circuitry compared to other protection solutions, such as N-channel MOSFETs or diodes.
Applications
- Automotive Systems: Ideal for protecting transmission control units (TCUs), ECUs, and other critical components from reverse polarity events.
- Power Protection: Used in power protection circuits to prevent short circuits and damage due to reverse battery connections.
- High Power Applications: Suitable for high power applications where efficiency and reliability are crucial.
Q & A
- What is the primary function of the STD28P3LLH6AG MOSFET?
The primary function of the STD28P3LLH6AG MOSFET is to provide reverse polarity protection in automotive systems, preventing damage to ECUs and other electronic components.
- What package type does the STD28P3LLH6AG come in?
The STD28P3LLH6AG comes in a DPAK (TO-252) package.
- What is the maximum drain-source voltage (BVDSS) of the STD28P3LLH6AG?
The maximum drain-source voltage (BVDSS) of the STD28P3LLH6AG is -30 V.
- How quickly does the STD28P3LLH6AG switch off during a reverse polarity event?
The STD28P3LLH6AG switches off in approximately 346 µs with a -87 A current peak during a reverse polarity event.
- Is the STD28P3LLH6AG qualified for automotive applications?
Yes, the STD28P3LLH6AG is qualified according to AEC Q101 standards, making it suitable for automotive applications.
- What are the benefits of using the STD28P3LLH6AG over other protection solutions?
The STD28P3LLH6AG offers low RDSon, high ruggedness, and requires minimal additional circuitry, making it a more efficient and simpler solution compared to other protection methods.
- Can the STD28P3LLH6AG withstand repetitive reverse polarity pulses?
Yes, the STD28P3LLH6AG can withstand repetitive reverse polarity pulses as per ISO 7637 Pulse 1 conditions without significant degradation.
- What is the typical on-resistance (RDSon) of the STD28P3LLH6AG?
The typical on-resistance (RDSon) of the STD28P3LLH6AG is 30 mΩ at VGS = -10V, ID = -6A.
- How does the STD28P3LLH6AG protect against static reverse polarity?
The STD28P3LLH6AG protects against static reverse polarity by switching off and sustaining the negative voltage for the required duration, preventing damage to the connected components.
- What are some common applications of the STD28P3LLH6AG in automotive systems?
The STD28P3LLH6AG is commonly used to protect transmission control units (TCUs), ECUs, and other critical components from reverse polarity events in automotive systems.
- Does the STD28P3LLH6AG require additional circuit components for operation?
No, the STD28P3LLH6AG requires minimal additional circuitry, making it a straightforward solution for reverse polarity protection.
