TPS3707-30DG4

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Power management ICs (PMICs) are integrated circuits that manage the power to, and regulation of, electronic devices. PMICs allow devices to remain reliable and operational while consuming less power and space, enabling them to perform more efficiently in a variety of applications. Supervisors are one type of PMIC that provide monitoring and control of voltage and temperature to maintain the system’s safe operation. The TPS3707-30DG4 is a low-cost supervisor device that provides simple monitoring and control of voltage and temperature.

The TPS3707-30DG4 is a supervisor IC designed for automotive, industrial, and consumer applications that require low-voltage and low-power monitoring. It has an operating temperature range of –40°C to +125°C, and an operating voltage range of 1.4V to 5.5V. The device monitors an adjustable voltage threshold and provides an open-drain active-low reset or output when the voltage falls below the preset trip point. In addition, it has an adjustable temperature threshold and provides either an open-drain active-low reset or output when the temperature exceeds the preset trip point. The device provides a watchdog timer (WDT) to provide an additional source of fault protection and an internal power-on reset (POR) circuit.

The operating principle of the TPS3707-30DG4 is based on a voltage or temperature detection circuit. The voltage threshold and the temperature threshold can be adjusted using the external resistive network. When the detected voltage falls below the trip point, a reset signal is sent to the reset output. Similarly, when the detected temperature exceeds the preset trip point, a reset signal is sent to the reset output. The device also features a watchdog timer (WDT), which provides a timeout warning to reset the system if faults are detected in its operation. An internal POR circuit is also included to provide a reset signal when the device powers up.

The TPS3707-30DG4 is suitable for a wide range of applications, including automotive, industrial, and consumer applications. It is an ideal choice for applications that require reliable supervised voltage and temperature monitoring. The device is available in a small three-pin ceramic outline package, making it easy to integrate into small-space systems. The low quiescent current and precise temperature and voltage detection features make it an ideal choice for low-power monitoring applications.

In summary, the TPS3707-30DG4 is a low-cost supervisor device designed for automotive, industrial, and consumer applications. It provides simple monitoring and control of voltage and temperature with an adjustable voltage and temperature threshold. The device also features watchdog timer and power-on reset circuits for fault protection. The low quiescent current and precise temperature and voltage detection make it an ideal choice for low-power monitoring applications.

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