Infineon Multiplexer CMOS 5-Pin Surface Mount TO-263 Package 4.75-41V Operation BTS441TGATMA1

Infineon BTS441TGATMA1 is a high-performance multiplexer CMOS switch designed for power management applications requiring efficient signal and power routing. It features a five-pin TO-263 surface-mount package optimized for thermal dissipation and mechanical reliability on densely populated boards. The device operates across a wide supply voltage range from 4.75V to 41V, making it highly versatile for various industrial, automotive, and battery management scenarios. It exhibits a low on-state resistance of 20mΩ, minimizing conduction losses and improving overall system efficiency.

The CMOS output type ensures minimal quiescent current, reducing power consumption especially in standby conditions. Its robust operational temperature range from -40°C to 150°C supports deployment in harsh environmental conditions, common in automotive and industrial power control systems. The component’s compact dimensions - approximately 10mm length, 9.25mm width, and 4.4mm height - facilitate usage on tight PCB layouts where space is critical.

Ideal use cases include multiplexing power rails on automotive control modules, executing high-current load switching in power distribution panels, and serving as low-loss switches in battery management units. Designers should ensure thermal pads and solder fillets are properly implemented on the PCB footprint to optimize thermal performance and device longevity.

Wide supply voltage compatibility from 4.75V to 41V. Low on-state resistance reduces conduction losses significantly. CMOS logic family enables seamless interface with standard control drivers. Five-pin configuration supports single multiplexer channel plus supply and return routing.

Surface mount TO-263 package supports compact and thermally efficient PCB assembly. Operational temperature range from -40°C to 150°C ensures durability in harsh environments. Applications in automotive power rail multiplexing and industrial load switching.

Recommended thermal management through adequate copper area and thermal vias.

This multiplexer IC from Infineon is a dependable choice for engineers seeking compact, low-resistance electronic switches for demanding applications. It integrates well within power management, automotive electronics, industrial control assemblies, and battery management systems.

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