ADM812MART-REEL7

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The ADM812MART-REEL7 is a parasitic-supply/battery-monitoring supervisor manufactured by Analog Devices, Inc. This device is a versatile integrated circuit used in System-on-Chip (SoC) applications that require a supervisor chip to monitor power supplies and batteries. This chip is able to detect under-voltage and brown-out conditions, preventing system instability and power outages.

The chip features ultra-low power operation in the range of 0.4uA in the active state and down to 0.03uA in the standby state. As a result of this low power consumption, system administrators can easily incorporate the chip into their designs without a large power drain or a significant increase in cost. In addition, the chip\'s small mechanical footprint and tiny SOT-23 packaging make it an ideal choice for space-constrained designs.

In terms of performance, the ADM812MART-REEL7 boasts superior accuracy and response-time. The device can detect voltage conditions within a range of 2.6V to 5.5V, and its Low Battery Detector (LBD) is able to accurately detect a low battery in the range of 0.2V to 1.2V. The chip\'s integrated comparator provides an accurate and fast response time when determining if a voltage condition has occurred. The device is capable of sensing voltage changes as small as 200mV, with a response time of less than 5ms.

Due to its advanced feature set, this device is applicable in a variety of applications. For example, the chip can be used in consumer electronics such as smartphones, tablets, and wearables to help monitor the device\'s battery level. In industrial settings, the ADM812MART-REEL7 can be used in motor control applications to help monitor voltage conditions and prevent power outages. It can also be implemented in automotive applications to help protect vehicle batteries and improve safety.

The working principle of the device is fairly straightforward. It utilizes its integrated comparator, referenced to the device\'s Low Battery Detector, to detect under-voltage and brown-out conditions. Upon detecting these conditions, the chip sends an active-low reset signal to the main processor to stop system operation until the voltage condition is resolved. In addition, the chip is capable of sending out a BATT_ALERT signal, which can be used to alert system administrators that the device\'s battery level is reaching the End-of-Life (EOL) level.

In summary, the ADM812MART-REEL7 is a low-power and versatile supervisor chip for System-on-Chip applications. This device is capable of precisely monitoring voltage conditions and detecting under-voltage and brown-out conditions. Its low-power operation, small mechanical footprint, and accurate performance make it ideal for a wide range of applications including consumer electronics, motor control, and automotive applications.

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