SP809EK-L-3-1/TR Integrated Circuits (ICs)

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Part Status:	Obsolete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:	140 ms Minimum
Voltage - Threshold:	3.1V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3

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Introduction

PMIC Supervisors are integrated circuit devices that are used to monitor the power supply within a circuit. This allows the user to ensure that their circuits are running correctly and reliably. The SP809EK-L-3-1/TR is a PMIC Supervisor which is specifically designed for low-power applications. This supervisor provides monitoring of the power rails, as well as keeping track of the health of the circuit. In this article, we will look at the application field and working principle of the SP809EK-L-3-1/TR.

Application Field

The SP809EK-L-3-1/TR is a low power PMIC supervisor which is designed to monitor the power rails of a low-power circuit. The SP809EK-L-3-1/TR is ideal for applications such as wearable electronic devices, IoT applications and battery powered devices, where power consumption is a major factor. The SP809EK-L-3-1/TR has a low operating current draw, making it suitable for low-power applications. The device can monitor and control the power supply of a circuit, as well as providing protection from electrical overstress and overvoltage. Additionally, the SP809EK-L-3-1/TR can also provide an alert to the user if there are any problems with the circuit power supply.

Working Principle

The SP809EK-L-3-1/TR is a PMIC supervisor which utilizes a POR (power-on reset) circuit. This POR circuit is used to monitor the supply voltage of the circuit and generate a reset signal when it detects an abnormal voltage. When the POR circuit detects an abnormal voltage, the reset signal is sent to the rest of the circuit, allowing the rest of the circuit to safely reset and recover from the abnormal voltage conditions.The SP809EK-L-3-1/TR also monitors the power rails of the circuit, allowing it to detect any changes in the power supply. This allows the user to know whenever the power supply changes, as well as alerting them to any potential problems with the power rails. The monitored supply voltage can also be used to trigger an alert to the user, allowing them to take action if the supply voltage is not within the expected range.The SP809EK-L-3-1/TR also provides protection from overvoltage, overcurrent and electrical overstress. The device can detect when the current or voltage is outside of the safe range and can shut down the power source to protect the circuit from damage. Additionally, the device can provide an alert to the user, allowing them to take action if the circuit is not operating within the expected range.Finally, the SP809EK-L-3-1/TR can also provide an indication to the user when the power supply is intermittent. This allows the user to know when the power is not stable, allowing them to take action accordingly.

Conclusion

The SP809EK-L-3-1/TR is a low power PMIC Supervisor which is designed for low power applications. It is capable of monitoring and controlling the power supply, as well as providing protection from electrical overstress and overvoltage. The device can also provide an alert to the user when the power supply is not stable, allowing them to take action if necessary. Finally, the device can provide an indication to the user when the power is not within the normal range, allowing them to take action accordingly.

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