ISL6146CFUZ-TK

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The ISL6146CFUZ-TK is an integrated circuit device from Intersil Corporation which combines overvoltage protection, current limit, and digital trim functions all into one device. It is part of the ISL6146 family of PMIC OR controllers, ideal diodes, and Ideal Diode Controllers (IDC). It also includes an integrated Hall effect sensor, temperature sensor, and a current measurement amplifier. The primary function of the device is to regulate the voltage between two points in order to prevent any voltage surge that could damage the electronic device, such as an LED driver.

The ISL6146CFUZ-TK is a highly integrated device that allows a small footprint while keeping a low power profile. It is available in the industry-standard 16-lead TSSOP package. It uses an internal low on-resistance N-MOSFET as its main switch, thereby providing improved efficiency and low quiescent current. In addition, the device has integrated protection features such as under-voltage lockout, over-voltage lockout, over-current protection and short-circuit protection.

The working principle of the ISL6146CFUZ-TK is based on the use of the voltage across the device to rapidly control the MOSFET switch. The current limit threshold of the device is programmable with a digital trim potentiometer. When the voltage across the device exceeds the threshold, the MOSFET is switched off. When the voltage is below the threshold, the MOSFET is switched on. In this way, the current limit is set to protect the device from any voltage surge.

The ISL6146CFUZ-TK is suitable for applications such as LED lighting and motor control applications. It is optimized for use in situations where overvoltage, overcurrent, and short-circuit conditions could damage the system. Its low on-resistance switch, integrated protection features, and small footprint make it an ideal choice for these applications.

Apart from the usual PMIC OR controllers, ideal diodes, and IDC, the ISL6146CFUZ-TK provides additional protection features such as improved surge protection and current monitoring. Also, the integrated temperature and current sensing features of the device allow for improved performance and efficiency. The device is an ideal solution for applications that require effective overvoltage protection, current limit, and digital trim functions.

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