ISL61863ICRZ-T

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The ISL61863ICRZ-T is a high-temperature hot-swap controller from Intersil Corporation that can be used to employ N-channel power MOSFETs in order to provide precision control of output voltage and current in harsh environment applications.The device can operate from input voltages of up to 30 V and can handle up to 6 A of output current. Its use as a Hot Swap controller is ideal for applications that require reliable power control in high temperatures up to 150°C.

Application Field

ISL61863ICRZ-T Hot Swap controllers are widely used in many different applications, including:

• Automotive electronics
• Industrial automation and control
• Wireless, radio and data communication systems
• Networking and computing systems
• Avionics and military
• Medical equipment
• Power supplies

In all these applications, the device provides superior overload, short-circuit and overtemperature protection with low component count for maximum performance and reliability.

Working Principle

ISL61863ICRZ-T Hot Swap controllers employ an N-channel MOSFET switch to control the output voltage and current and to protect the system from overload, short-circuit and overtemperature. The device features two power sources, a high and low side power, that are used to control the output voltage and current and ensure that adequate power is supplied to the load.

The controller works by monitoring the output voltage and current and regulating the gate voltage of the MOSFET switch. The output voltage is monitored with a precision voltage regulator and the output current is monitored with a sense resistor. Based on the measurements, the gate voltage of the MOSFET switch is adjusted accordingly to maintain the correct output voltage and current.

The ISL61863ICRZ-T Hot Swap controller has two power-saving modes, low power mode and idle mode. In low power mode, the sense resistor is disconnected to reduce power consumption and improve efficiency. In idle mode, the controller stops operating and enters a low power and low noise state. This reduces the power dissipation of the device and increases the efficiency and reliability of the system.

The ISL61863ICRZ-T Hot Swap controller also includes an overtemperature protection included and a power enable control. The overtemperature protection feature protects the system from thermal overloads and the power enable control feature can be used to remotely control the output power.

Conclusion

The ISL61863ICRZ-T Hot Swap controller provides great performance, reliability and protection in harsh environment applications. It is ideal for applications that require reliable and high temperature operation, such as automotive electronics, industrial automation, avionics and medical equipment. The controller is easy to set up and configure and can be used to control the output voltage and current with precision and safety.

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