Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	10 ms Minimum
Voltage - Threshold:	1.9V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	6-UFDFN Exposed Pad
Supplier Device Package:	6-TDFN (2x2)

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PMIC - Supervisors

PMIC (Power Management Integrated Circuit ) supervisors ensure the safe and reliable operation of an external circuit by controlling power in a variety of ways. The AS1927D-BTDT31X is a low-power PMIC supervisor in particular that can regulate, regulate, protect and adjust system voltages in electronic designs. It is ideal for any microcontroller- or system-on-chip-based circuit, and is especially useful for designs with a limited current budget.

Application Field

The AS1927D-BTDT31X can be used for a variety of applications, including but not limited to:

• Input power monitoring: Monitor input power and detect power failure or power unbalances
• Logic level shifting: Ensure safe and reliable logic level shifting
• Battery protection: Voltage and current monitoring, protection and regulation when used with battery power
• System diagnostics: Monitor voltage, temperature and current through an analog-to-digital conversion interface
• Power management: Enable/disable, power-on reset and temporary power down of the system

Working Principle

The AS1927D-BTDT31X is a low-power PMIC supervisor that works by monitoring and regulating the voltage, current, temperature and power of an external circuit. The chip features multiple power management features, such as low-power operation, power-on reset, power sequencing and voltage monitoring, among others. It also offers a range of protection features, including reverse voltage protection, over-temperature protection and under-voltage lockout protection.The integrated circuit is designed to operate at low-voltages, from 1.8V up to 5.25V, allowing it to be utilized in a variety of applications. It offers a programmable high-voltage threshold input and a programmable low-voltage threshold input, which help to control and regulate the power supply. These capabilities enable designers to monitor, adjust and protect the device’s supply voltage, current and temperature.The chip’s integrated power protection features include adjustable over-voltage protection, adjustable temperature monitoring, adjustable over-current protection, and a power-on reset circuit. These features allow the design engineer to protect their external circuit from unwanted system conditions.In addition, the AS1927D-BTDT31X offers an integrated low-power mode for systems with limited current budgets. The low-power mode allows the device to save power by reducing its operating voltage and current consumption. It also features an adjustable power sequencing capability which allows the engineer to control when and how the circuit powers up and down.Finally, the chip also offers an integrated analog-to-digital converters (ADC) which allows designers to get accurate measurements of the system’s supply voltages, current, temperature and power consumption. The ADC also allows the design engineer to monitor and adjust the system without the need to make changes to the external circuit.All in all, the AS1927D-BTDT31X offers a range of features which enable designers to more easily create reliable, low-power designs that have the capabilities to monitor, regulate, protect, and adjust system voltages.

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Part Number	Manufacturer	Price	Quantity	Description