Infineon Technologies

BTS3405G

BTS3405G Description

The BTS3405G from Infineon Technologies is a low-side power switch designed for automotive applications, compliant with AEC-Q100 standards. It integrates four outputs controlled by two inputs, offering a compact and efficient solution for power distribution in demanding environments. With a maximum input voltage of 10V and a typical output current of 0.4A, it is optimized for low-power switching tasks. The device features low on-resistance (700 mΩ max) and fast switching times (38 µs on, 45 µs off), ensuring minimal power loss and high efficiency. Packaged in an 8-pin DSO (DSO-8) with tape-and-reel mounting, it is ideal for surface-mount applications in space-constrained designs.

BTS3405G Features

• Automotive-Grade: AEC-Q100 qualified, suitable for harsh environments.
• Low On-Resistance: 700 mΩ max, reducing conduction losses.
• High Efficiency: Fast switching (38 µs on / 45 µs off) minimizes energy dissipation.
• Robust Protection: 600 mA current limit and 780 mW power dissipation capability.
• Wide Voltage Range: Operates from -0.2V to 10V, accommodating various logic levels.
• Compact & Reliable: 8-pin DSO package with surface-mount (SMD) compatibility.
• RoHS & EU RoHS Compliant: Environmentally friendly and meets global regulations.

BTS3405G Applications

• Automotive Systems: ECU power management, lighting control, and sensor interfaces.
• Industrial Automation: Low-power relay driving and actuator control.
• Consumer Electronics: Portable devices requiring efficient power switching.
• Battery Management: Load switching in low-voltage battery systems.
• HITFET Series Advantage: Combines low RDS(on) with high thermal performance, outperforming standard MOSFET switches in reliability and efficiency.

Conclusion of BTS3405G

The BTS3405G is a high-performance, automotive-qualified power switch offering low resistance, fast switching, and robust protection. Its compact DSO-8 package and wide operating range make it ideal for automotive, industrial, and consumer applications where efficiency and reliability are critical. With Infineon’s HITFET technology, it delivers superior performance compared to conventional switches, ensuring long-term durability in demanding environments.