SC493ULTRT

The SC493ULTRT is a two channel DC/DC high side switch controller from Allegro Microsystems. It is designed to be used in various automotive and industrial applications such as automotive battery management, intelligent battery charging, and energy harvesting. The SC493ULTRT is a high current, low-cost, and low-power solution that provides high reliability and accurate current sensing.

The SC493ULTRT is a highly integrated, high side switching controller with an integrated dual P-channel and N-channel MOSFETs. It is capable of switching loads up to 25A and with a switching frequency up to 250kHz. The controller is designed to be used in automotive and industrial applications such as automotive battery management, intelligent battery charging, and energy harvesting.

The SC493ULTRT has two analog input pins, three digital control pins, and one output pin. It uses a hysteretic current mode control architecture with a robust and stable loop. The hysteretic current mode control algorithm is an analog control architecture and allows for a wide range of output power levels to be set and precisely controlled. The SC493ULTRT includes an independent current sense amplifier, voltage sense amplifier, and over-temperature protection.

The SC493ULTRT is a robust, efficient, and cost effective solution for high-side switch applications. It provides reliable current-sense control, accurate current sensing, and a wide range of adjustment features such as gain and frequency. The controller can be programmed to operate in a variety of different modes, such as open-loop, closed-loop, and peak current limit.

The SC493ULTRT is designed to minimize power dissipation and maximize efficiency. It is also designed to reduce switching electromagnetic interference (EMI) and provides protection from overvoltage, overcurrent, and overtemperature. The SC493ULTRT also features a low-impedance current senser for better current sensing accuracy.

In conclusion, the SC493ULTRT is a low-cost and reliable solution for high-side switch applications. It provides accurate current sensing, robust and stable control loop, and an integrated dual P-channel and N-channel MOSFETs. It is designed to minimize power dissipation, reduce EMI, and provide protection from overvoltage, overcurrent, and overtemperature. The SC493ULTRT is ideal for automotive and industrial applications such as automotive battery management, intelligent battery charging, and energy harvesting.