LP3470M5X-4.38

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The LP3470M5X-4.38 is an extended-temperature precision adjustable microprocessor supervisor from Texas Instruments. It is a lightweight, low-power device, ideal for use in low-power, battery-powered, industrial, automotive, and other control applications. The supervisor monitors the system for abnormal power conditions and alerts the microprocessor when power is about to fail. It also provides current limit and overtemperature protection for the microprocessor

The LP3470M5X-4.38 belongs to the category of PMIC - Supervisors. In general, PMIC - Supervisors are a type of power management integrated circuits that can monitor and control power supply in order to provide reliable operation of the system. These PMIC - Supervisors sense power conditions in the system and respond by shutting down or restarting the system or by alerting the host microprocessor when power fails or returns. This ease the burden on the host processor by monitoring power conditions, such as over-temperature, over-voltage, under-voltage, and current. Furthermore, these ICs are designed to provide some control over power distribution, switching, and sequencing.

The LP3470M5X-4.38 provides advanced power supply monitoring and protection features, critical for high-temperature and automotive designs. It is designed to monitor the power supply for both over-voltage and under-voltage. When over-voltage or under-voltage conditions occur, the supervisor alerts the microprocessor and shuts down the system to prevent damage. The supervisor also monitors the power supply current and will alert the microprocessor if it exceeds the predetermined limit. Finally, the supervisor includes features for over-temperature protection, which alert the microprocessor if the system gets too hot.

In addition, the LP3470M5X-4.38 contains a wide range of features that make it an ideal choice for a variety of applications. It includes an adjustable output voltage comparator, which can be used to monitor the output of a AC-DC or DC-DC power supply. This allows the LP3470M5X-4.38 to be used in automotive and other power supply designs that require precise control. It also has adjustable watchdog timeout and a reset output, which can be configured to provide the required output signal levels. The watchdog timeout and reset output can be configured to provide soft reboot capabilities.

Finally, the LP3470M5X-4.38 offers ideal current capacity for a variety of applications. It features a wide operating voltage range of 1.2V to 70V and a maximum power-supply current limit of 7.0A. The LP3470M5X-4.38 is designed to interface directly with 10-bit, 12-bit, or 14-bit ADCs, making it ideal for advanced power supply designs. It is available in both a TSSOP-8 and SOT23-8 packages, making it perfect for space-limited designs.

In conclusion, the LP3470M5X-4.38 is a powerful, precision adjustable microprocessor supervisor from Texas Instruments that is well suited for use in both industrial and automotive power supply designs. It provides advanced power supply monitoring, current limiting, and overtemperature protection features, with adjustable watchdog timeout and reset output. It also offers ideal current capacity and is available in both TSSOP-8 and SOT23-8 packages, making it perfect for space-limited designs.

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