BUK9K17-60E: Why are dual MOSFETs becoming a new trend in automotive electronic power design?

In automotive electronics and industrial power systems, engineers typically focus on three core indicators: efficiency, reliability, and PCB space. With the advancement of technology, the complexity of electronic systems has increased, and traditional single MOSFETs have shown problems such as large size and low efficiency.

Nexperia's BUK9K17-60E is a dual logic level N-channel MOSFET designed to address this trend, using trench MOS technology. Compared to traditional single MOSFETs, BUK9K17-60E is more suitable for high-performance automotive and high-power switching applications.

The characteristics of BUK9K17-60E

• Dual MOSFET, saving PCB space
• Q101 compatibility
• With repetitive avalanche rating
• With a 175°C rating, suitable for environments with high heat dissipation requirements
• True logic level gate, with VGS (th) rating greater than 0.5 V at 175°C
• Sturdy packaging and reliability, the LFPAK56D package provides excellent thermal performance, effectively conducting the heat generated by the chip to the circuit board.

Key technical parameters of BUK9K17-60E

These parameters collectively ensure low on-state loss under high current, strong power handling capability, and stable operation in harsh thermal environments.

BUK9K17-60E - The Advantages of Dual MOSFET Design

If you think the value of dual MOSFETs is merely saving PCB space, then you are mistaken. The advantages of dual MOSFETs go far beyond that.
1. Higher System Efficiency
The low on-resistance design of BUK9K17-60E can achieve lower power loss, less heat generation, and higher overall efficiency in automotive power systems.
2. Simpler Circuit Design
In previous designs, because of the need to consider H-bridge drive, dual-channel load switches, and synchronous rectification, two MOSFETs were usually required. Now, BUK9K17-60E can integrate two N-channel MOSFETs into one package, effectively reducing the complexity of PCB wiring and reducing parasitic inductance while improving switching performance.
3. Automotive Grade Reliability
BUK9K17-60E has been designed and certified according to AEC Q101 standards and is suitable for high-performance automotive applications. Its characteristics (mentioned above) are very suitable for high-temperature environments such as engine compartments.

The typical application scenarios of BUK9K17-60E

1. 12-volt automotive system: such as motor drive, lighting control and solenoid valve drive.
2. Motor, lamp and solenoid control
3. Transmission control: for precise control in automatic or manual transmissions, such as electromagnetic valve drive.
4. Ultra-high performance power switch

Summary

The value of the device lies not only in its parameters, but also in how it helps engineers optimize the system architecture. With the development of automotive electronics and intelligent devices, high power density design undoubtedly becomes an industry trend. Dual MOSFETs can help engineers achieve smaller PCB sizes, higher system efficiency and simpler design structures. They are being adopted by an increasing number of power supply designs as integrated MOSFET solutions.