STM6905SFEDS6F Integrated Circuits (ICs)

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PMIC (Power Management IC) is a key component in most electronic systems and applications, used to provide efficient and reliable power supply and protection. Supervisors are a type of PMIC used to detect and prevent potentially dangerous conditions such as over-current or over-voltage and take appropriate action. STM6905SFEDS6F is an example of such supervisor and this article aims to provide some general information about this device, covering its application field and working principle.

Overview

STM6905SFEDS6F is a single-output voltage supervisor designed for consumer and industrial applications. It has a single-channel monitoring output (MONI) pin, providing reset and planar output functionality, and has a wide detection range of 0.75V to 1.6V. The device is capable of monitoring multiple voltages and also provides a programmable delay between reset assertion and reset release. The STM6905SFEDS6F is available in a 6-pin SOT-23 package.

Application Fields

The application fields of STM6905SFEDS6F are quite broad, ranging from consumer to industrial technology. The device is especially suitable for applications that require a wide voltage detection range, such as battery powered systems and over-voltage protection. Other than that, the device is suitable for use in automotive, LED lighting, medical and telecom applications.

Working Principle

The basic working principle of STM6905SFEDS6F is simple but effective. It monitors the voltage at its MONI pin, and when the voltage exceeds its preset threshold voltage, the device will be triggered. Then, it will either assert reset or generate a planar output signal, depending on how the device is configured. The device provides hysteresis to ensure that the output remains low until the voltage drops below a certain corresponding threshold.

Features and Benefits

STM6905SFEDS6F is a feature-rich supervisor, there are several important points about the device worth mentioning. Firstly, the device has a wide voltage detection range, allowing it to be used in a variety of applications. Secondly, the device provides a programmable delay time between assertion and release of the reset output. This allows the user to customize the reset sequence to fit the application. Finally, the device has low operating current, making it suitable for battery powered applications.

Conclusion

STM6905SFEDS6F is a single-output voltage supervisor designed for use in a wide range of applications. It has a wide voltage detection range and provides reset or planar output functionality. It also has a programmable delay between reset assertion and reset release. The device is suitable for use in automotive, LED lighting, medical, telecom and battery powered applications. Overall, the device is well suited for situations where reliable and efficient power protection is required.

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