MAX16001BTE+

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The MAX16001BTE+ is a micropower, hot-swap power-supply supervisor that actively monitors a single output. This device integrates a precision threshold powered switch for hot-swapping power without powering down the input source. This device is an ideal choice for applications that require an output voltage to be monitored frequently and supply hot-swapping operations.

The MAX16001BTE+ is an ideal application for systems needing to monitor single supplies for microprocessor, memory, and logic power supplies. Its power-on reset and power-supply threshold accuracy functions make it the ideal choice for providing system-level fault protection and power sequencing of multiple power supplies.

Application Field and Working Principle

The MAX16001BTE+ supervisor is a low-power solution that actively monitors a single output. It features open-drain N-channel MOSFET outputs that can be used to actively power down other circuits and remove false-triggering after a reset is generated. The device is ideal for monitoring single supplies such as microprocessor, memory, and logic power supplies, as well as supplying hot-swapping operations.

The MAX16001BTE+ supervisor can be used in a variety of applications. In particular, the device is ideal for hot-swap applications, where it can be used to protect the system from inrush current, over-voltage conditions, and even over-current conditions. Other applications include CE compliance, shutdown of ASIC power supplies, and dynamic Voltage scaling.

The MAX16001BTE+ works by actively monitoring a given output voltage, and providing a reset if the threshold is exceeded. The working principle of this device is based on a hysteresis comparator circuit. When the output voltage exceeds the rising threshold (VTRIP), the nMOS output transitions to a low state and the reset is initiated. Similarly, the reset is released the output voltage drops below the falling threshold (V low).

The MAX16001BTE+ features a wide input voltage range. This feature is important in applications that may require the device to work with AC/DC power sources such as wall adapters. The wide input range also makes this device ideal for use with inputs as low as 2.7 V, so it can be used in battery-powered systems.

In addition to providing over-voltage protection for active power supplies, the MAX16001BTE+ can also be used for current-limiting protection. This can be achieved by using the Precision Threshold under-voltage function, which allows the current limiting threshold to be set below the V TRIP, so that if the current exceeds the limit, the reset will be initiated. This helps prevent damage to the system and ensures that current-limiting protection is always in place.

Overall, the MAX16001BTE+ is an ideal choice for applications that require active monitoring of a single output, hot-swapping operations, and system-level fault protection. With its wide input voltage range, current-limiting protection, and reset monitoring function, the MAX16001BTE+ makes an excellent choice for power-supply supervision in systems requiring protection from transient faults and power sequencing of multiple power supplies.

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