XC6124F619ER-G

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The XC6124F619ER-G supervisor is a low-voltage power monitor circuit that offers a flexible reset supply voltage monitor solution. It is a polyphase monitor tailored for XC6136 polyphase step-down DC/DC converters. It provides the capability to reset external devices on the fly when any of the six monitored supplies goes below or exceeds specified thresholds. The supervisor offers an output voltage range of 1.64V to 6.00V, with a minimum voltage differential of 0.1V. The XC6124F619ER-G is available in a 10-pin, space-saving lead-frame chip-scale package (LFCSP).

The XC6124F619ER-G supervisor is designed for use in portable and battery-powered communications, consumer, and computing equipment. It is suitable for use in portable communications and consumer products such as 4G LTE base stations, LTE mobile handsets, wireless networks, smartphones, tablets, internet of things (IoT) devices, and hearing aids. It can be used in computing products such as servers, laptops, and desktop computers.

The power monitor circuit operates on an input voltage range of 2.0V to 6.00V and features a temperature range of -40°C to +125°C. The output voltage is adjustable from 1.64V to 6.00V, with a minimum voltage differential of 0.1V. The XC6124F619ER-G features an adjustable VIN/VOUT delay on power-up and power-down, an adjustable VDD supply current sense delay, and ±2% accuracy on both trip points. It also features an external reset pin as well as an internal adjustable reset asserted/deasserted trip points.

The XC6124F619ER-G supervisor is designed to provide supply voltage monitoring and resetting for up to four separate voltage supplies. The four main signals it can monitor are VDD, VDDA, VDDH, and VDDQ. The XC6124F619ER-G is also capable of monitoring the voltage value of any polyphase output voltage. When any of the monitored supplies go beyond a specified voltage limit, the XC6124F619ER-G will automatically issue a reset signal to the host controller. This reset signal can be used to activate user-defined algorithms that can modify the behaviours of connected devices to put them back into a safe operating state.

The XC6124F619ER-G supervisor incorporates an internal voltage detector which senses the voltage level of any polyphase output voltage and compares it to a user-programmable voltage threshold. When the voltage level falls below or goes beyond a predefined threshold, the XC6124F619ER-G produces a reset signal. This reset signal resets the host controller and all devices connected to it, thereby ensuring that all of the devices connected to the supervisor remain operational.

The XC6124F619ER-G supervisor offers a reliable solution for protecting connected devices by monitoring the supply voltage of up to four separate voltage supplies. It allows users to customize the reset thresholds as per their requirements. It also features a low-voltage monitoring indication, an adjustable delay on power-up and power-down, and an external reset pin.

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