ADM8699ANZ

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Power management integrated circuits (PMICs) are special-purpose integrated circuits designed to both distribute and monitor power in an electronic circuit. They provide a reliable way to both monitor and control the power supply to a microprocessor or other digital logic. PMICs are used in a variety of applications, from automotive electronics to consumer gadgets. Supervisors are a specialized subset of PMICs designed specifically to protect a microprocessor or other device from damage due to high voltage, current, or temperature levels.

The ADM8699ANZ is a supervisor IC designed for automotive applications. It combines an advanced voltage monitoring architecture, an I2C interface, an analog-to-digital converter, and integrated over-voltage and over-temperature protection into a single package. Its purpose is to detect any abnormal over-voltage or over-temperature conditions and shut down the powered circuit in order to protect it from damage.

The device is well-suited for automotive applications due to its robust construction, high temperature range, and low operating current requirements. It is also capable of adjusting its monitoring thresholds to accommodate differences in hardware designs and varying conditions. The device has two external voltage sense inputs and a single open-collector reset output. It operates over the 7V to 40V input voltage range and the -40°C to +125°C temperature range.

The device utilizes an internal state machine to both monitor and protect against abnormal conditions. It is designed to monitor two external voltage sense inputs and output a reset signal when either voltage sense input or an internal temperature sense reaches a predetermined limit. The voltage sense inputs can be defined as either positive or negative and can be set up to trigger at either the rising or falling edge of the voltage signal. The device will store the detection events in its internal memory so it can be read and monitored through the I2C interface. This makes it possible for the device to be used for diagnostic or monitoring purposes.

The ADM8699ANZ is an ideal supervisor device for automotive applications due its robust design, low operating current, and programmable voltage and temperature thresholds. It is able to detect any abnormal over-voltage or over-temperature conditions and shut down the powered circuit in order to protect it from damage. Its I2C interface is also capable of reading the detection events, making it an ideal choice for diagnostic and monitoring purposes.

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