TLE7243SLXUMA2

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The TLE7243SLXUMA2 is a device from Infineon Technologies is an intelligent power switching device, which belongs to the Power Distribution Switches, Load Drivers category. It\'s a package compatible successor to its TLE7243SLXUMB2 predecessor while offering the same features with greater power density and a more compact package. This device is heavily used in the automotive industry primarily due to its reliable operation and merits of high performance, compact size, and integration.

The main application field of TLE7243SLXUMA2 is automotive power electronic systems. It is used for switching currents up to 4A. It has two outputs which can be programmed individually, one output used to switch loads while the second is used to compensate the output voltage in order to keep a constant voltage drop over the load. This allows the use of multiple output channels with the same current rating.

When this device is powered on, it will switch from its high side to its low side mode in a very short time period of 2µs maximum. This switching time can be adjusted using a PMOS transistor or an NMOS transistor. The switching time can also be adjusted to meet the requirements of different current rating or load switches. The switching times of the output channels can be independently controlled with the dedicated control inputs, allowing for partial or full disconnection of certain output channels.

The TLE7243SLXUMA2 encompasses a current mode drive technique, which is adjustable with a current feedback resistor. This current mode drive technique also permits excellent dynamic response and high peak current, while simultanously offering lower power dissipation.

The TLE7243SLXUMA2 comes with protection features such as an over-temperature protection, an overload protection, a short-circuit protection, an under voltage (UVLO) protection and a fault diagnosis. The over-temperature protection ensures that any over-temperature situation is observed and that the device comes back to its nominal operating temperature limit. Its overload protection feature helps to prevent expensive damage due to temporary over-loads and shorts. The UVLO protection helps ensure that the device reaches its normal operating voltage before continuing with its operation.

The TLE7243SLXUMA2 offers small footprint, high integration and low total costs for a given integrated power switching solution. This device is suitable for applications where a long lifetime and high reliability are required. It can be used for a wide range of applications such as power trains, inverters, on-board chargers and DC/DC converters.

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