BTS5210LAUMA1

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The BTS5210L-AUMA1 is a radiation-tolerant high-side load switch and load driver IC, which is ideal for use in demanding space applications. It is designed to provide high robustness and reliable operation in various harsh environments. With its built-in safety and protection features, the BTS5210L-AUMA1 can offer complete power distribution and protection for systems in mission-critical environments. This can help reduce power distribution failures and reduce system downtime.

The BTS5210L-AUMA1 belongs to the Power Management ICs used for Power Distribution Switches, Load Drivers and is designed for applications such as controlling power inhigh-power space systems, including high-power propulsion and reaction control systems. It supports both sequenced and non-sequenced switching, and has a nominalswitching current of 10A. It is also radiation hardened and provides solid on/off load switching.

In terms of working principle, the BTS5210L-AUMA1 can switch between an external supply voltage and an internal voltage reference. In normal operation, theexternal supply voltage is routed to the load via an output n-channel power MOSFET. A control pin (VDDI) on the IC is used to set the on/off status of the MOSFET and thus control the power supply to the load. When VDDI is pulled high, the internal voltage reference is routed to the output and the MOSFET is turned off. When VDDI is pulled low, the external supply voltage is routed to the output and the MOSFET is turned on.

The BTS5210L-AUMA1 comes with various safety and protection features. It has a built-in thermal shutdown circuit which shuts off the MOSFET in case of overtemperature. It also has a fault protection circuit which shuts off the MOSFET in case of overvoltage, undervoltage or overcurrent. Moreover, during startup and shutdown conditions, the BTS5210L-AUMA1 also implements a slew rate limitation to reduce the inrush currents and thus reduce the risk of equipment damage.

Apart from its main power distribution function, the BTS5210L-AUMA1 also supports various secondary functions including enabling additional external devices such as relays or power supplies. It has two enable pins which can be used to control external devices, either by setting them directly or via PWM control. In addition, the BTS5210L-AUMA1 can be configured to operate as a load switch and to automatically turn off in case of overload or underload conditions.

In conclusion, the BTS5210L-AUMA1 is an ideal solution for applications requiring a reliable and robust power distribution in mission-critical high-power space systems. It is a radiation-tolerant high-side load switch and load driver IC which offers reliable operation, built-in safety and protection features and support for multiple secondary functions.

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