TPS3808G01QDRVRQ1

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PMIC (Power Management IC) supervisors are semiconductor devices that manage power distribution to various areas of a system board. The TPS3808G01QDRVRQ1 is a voltage supervisor designed to provide precision voltage monitoring and reset control. It offers both high-accuracy supply monitoring and logic level reset control in a wide range of applications.

The TPS3808G01QDRVRQ1 provides two key features: differential high-accuracy monitoring of an input reference voltage with low-voltage detection and reset functions. An internal voltage reference is used to determine the voltage levels associated with the power-on reset (POR) and power-fail (PF) conditions. The TPS3808G01QDRVRQ1 accepts input supply voltages from +1.8V to +5.5V (Vcc), and is capable of detecting an undershoot on Vcc down to 0.7V.

The TPS3808G01QDRVRQ1 provides a power good signal (PG) which indicates that the Vcc voltage is within a predetermined window. The power-on reset function will generate a reset signal (RESET) when Vcc falls below a certain threshold. The RESET output is regulated to comply with the I/O interface parameters specified. The chip includes internal circuitry to provide a fast recovery from low-voltage conditions.

The TPS3808G01QDRVRQ1 can be used in a variety of applications including: automotive, industrial, home appliances, consumer electronics and data communications systems. The device’s low supply current requirements and low-voltage protection make it ideal for low-power systems. The TPS3808G01QDRVRQ1’s accuracy and precision make it suitable for monitoring power supply voltages in a wide range of applications.

The working principle of the TPS3808G01QDRVRQ1 is based on the ESD (Electrostatic Discharge) protection mechanism. When the input voltage reaches a low level, the device activates a protection mechanism which increases the internal ESD protection. The TPS3808G01QDRVRQ1 then provides an output signal to indicate that the voltage is below the threshold and a reset is necessary. The reset signal will remain active until either the input voltage rises above the threshold or the device decides that the voltage has stabilized. This ensures that the system is safely reset, allowing the system to recover from the low-voltage event.

The TPS3808G01QDRVRQ1 is a reliable and cost-effective solution for temperature and voltage monitoring when used as an input supply supervisor. The device’s accuracy and low-voltage detection make it suitable for a variety of applications including automotive, industrial, consumer electronics and data communications systems.

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