2T09J25QDBVRG4Q

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	120 ms Minimum
Voltage - Threshold:	2.25V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3
Base Part Number:	TPS3809J25

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2T09J25QDBVRG4Q Application Field and Working Principle

PMIC - Supervisors, also known as Power Management IC - Supervisors, are a type of integrated circuit that is responsible for monitoring, controlling and providing a safety margin for critical systems. This includes microprocessors, logic circuitry, clocked circuits, interface components, power distribution, and many other electronic systems.The 2T09J25QDBVRG4Q is a full-featured microprocessor supervisory controller that combines sophisticated voltage-monitoring functions in a single chip. It is designed to provide a reliable, cost-effective solution for system power supply sequencing and reset generation. The chip integrates two channels of Voltage Monitor (VM) with a Reset Output.VM is a circuit that compares a reference voltage to the voltage level of a variable voltage source, such as the power supply rail in a computer system. When the variable voltage level drops below a predetermined level, the VM will activate a reset in order to protect the system. This reset action can be either active-high or active-low.Utilizing a state-of-the-art optimization design, the 2T09J25QDBVRG4Q incorporates a wide voltage monitor range from 2.2V to 6.5V, an adjustable voltage trip point over an allow wide range (typically 3.3V to 5V), a well-defined hysteresis window to prevent chattering and false trips, and very low power consumption.The 2T09J25QDBVRG4Q is used to provide system reset during power-up and power-down, along with adjustable positive voltage thresholds for under-voltage protection. It is suitable for a wide variety of applications, offering a simple, easy to use and reliable solution. The reset generation can also be configured to set active high, active high with delayed reset, active low or active low with delayed reset.With two channels of VM and adjustable Reset Assert and Reset De-assert voltage levels, the 2T09J25QDBVRG4Q is well-suited for multi-supply monitoring applications. It can be used to detect low and high supply voltages and provide output signals to warn a processor or servo amplifier to shut itself down when an overvoltage or undervoltage condition is detected. Also, the advanced power-source monitoring capabilities of the 2T09J25QDBVRG4Q can detect a variety of voltage levels in order to determine if a power supply has failed or needs to be adjusted for optimal performance.In addition to providing a reliable, cost-effective solution for system power supply-sequencing and reset generation, the 2T09J25QDBVRG4Q also offers a highly efficient power management system with its many features. Its low-power consumption is ideal for applications such as notebook PCs, LCDS and embedded systems, providing the added benefit of reducing operational costs.Overall, the 2T09J25QDBVRG4Q is an excellent choice for applications requiring reliable voltage monitoring, reset generation and affordable power management solutions. Its features, such as its adjustable reset thresholds, wide voltage monitoring range and accurate hysteresis window, make it an ideal solution for a variety of applications. With its advanced power-source monitoring capabilities, the 2T09J25QDBVRG4Q helps to ensure reliable system performance while providing a cost-effective, efficient power-management system.

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