PT7M7811TTBEX

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PMIC - Supervisors regulate, monitor, and manage power distribution in electronic systems. The PT7M7811TTBEX is one such supervisor designed to offer a large range of power management capabilities in a single chip. This IC integrates a power supervisory, plus configurable voltage monitor, ±16V high-voltage regulator detection, multiple power supply voltage monitoring functions and adjustable I2C V_IO output. It is well-suited for a wide array of application fields, from automotive and consumer applications to industrial use cases.

PT7M7811TTBEX is a power supervisor with 2 power supplies and 2 power rails that inputs a low voltage supply to generate 4 regulated output voltages. The main features of this IC include two over-voltage (OV) protections, two under-voltage (UV) protections, two over-current (OC) protections,and two hardware reset outputs. It is a 2.5/3.3V, TTL-compatible, 16-pin DIP package with 1.8V-5V supply voltage range, -18V-85C operating temperature range, and 1.5uA max operating current.

This IC is designed to replace several discrete components, allowing a much smaller form factor, while offering additional safety features. PT7M7811TTBEX can be used in Industrial applications because it provides multiple monitoring protection, including circuit and transceiver monitoring, as well as protection against reverse power polarity and overvoltage protection. Additionally, it detects power disturbances and provides a reset pulse to alert the microcontroller.

At its core, the PT7M7811TTBEX is composed of two linear regulators,one for each of the two supplies, and a monitoring block.The main block contains one power supervisor, two supervisory monitors, two voltage monitors, two configurable voltage monitors, two overvoltage detectors and two overcurrent detectors.Each linear regulator contains a low-power power transistor, which allows the chip to regulate the voltage output of the two supplies.The monitoring block monitors the voltage output of both supplies, the current draw and the power drawn. This information is then passed to the microcontroller, either via an I2C interface or via a dedicated BCM pin.From the microcontroller, the output can be adjusted for different conditions, such as low-voltage or high-temperature conditions.

As a supervisor device, PT7M7811TTBEX ensures that all of the circuits remain within their particular limits.Under normal operating conditions, it will maintain the circuit\'s power, voltage, and current within safe limits and shut off any that exceed the prescribed specifications.It also acts as a diagnostic tool, alerting the circuit of any power disturbances,transient voltage excursions,or overvoltage failures.

Because of its power management capabilities,PT7M7811TTBEX is ideal for automotive, industrial and consumer applications.In automotive applications, it can help protect components from voltage abnormalities, as well as providing a reset pulse in case of trouble, while reducing the number of components and size of the system.In industrial applications, it can help protect the circuit and transceivers from power disturbances, while in consumer applications, it can help provide additional circuit protection and increase system reliability.

In summary, the PT7M7811TTBEX is a power supervisor that provides a wide range of power management features and safety features to a variety of application fields.It is a highly integrated IC that offers two linear regulators, two supervisory monitors, two voltage monitors, two configurable voltage monitors, two overvoltage detectors and two overcurrent detectors.It provides protection against reverse polarity and overvoltage protection and can be used in automotive, industrial and consumer applications for its power management and circuit protection capabilities.

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