MAX16101A2910+

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The MAX16101A2910+ is a microprocessor (µP) supervisor with low-power protection techniques, integrated push-button power-on reset (POR), and a watchdog timer. It is designed to ensure µP systems are properly working while using a minimal power budget. This makes it ideal for power-sensitive applications such as wearables, medical, and IoT devices.

The MAX16101A2910+ provides supervisory functions such as monitoring of the system supply voltage and µP operation, reset assertion, and watchdog operations. It is designed to interface directly to the power-on reset generator of a µP system without requiring additional control logic.

The MAX16101A2910+ is a three-terminal device provided in a SOT-23-6 package. It is compliant with the standard SOT-23 package and is RoHS compatible. The device offers robust protection to system supply voltages from -1.2V to 3.3V, as well as a low power supply current of 23µA (typ) over the entire temperature range. Moreover, the MAX16101A2910+ provides an enable/disable pin for flexible power up/down sequencing control.

The Power-on Reset (POR) feature is a highly sensitive input designed to monitor the system supply voltage. The device can detect even the smallest supply voltage variations and assert a reset if the supply voltage drops below the reset threshold. The reset signal is also active when the device is enabled, and it remains active until the supply voltage is back within the reset voltage threshold window.

The Watchdog Timer (WDT) feature helps to ensure µP operation is stable, maintain system integrity, and prevent system crashes. The WDT monitors the µP activity by resetting the timer every time the µP activity is acknowledged. If a system fault occurs that prevents µP activity from continuing, the WDT will expire and assert the reset signal.

The MAX16101A2910+ provides advanced power-on reset protection, limit reset assertions and requires no additional circuitry. Its low-power operation, smaller package size and the watchdog timer function make it ideally suited for use in space critical, power-sensitive applications such as wearables, medical devices, and IoT devices.

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