XC6124D737MR-G

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Power management integrated circuits (PMICs) are widely used in modern electronic devices as they help to manage and control the power components. The XC6124D737MR-G is a PMIC that belongs to the family of so-called Supervisors. In this article, we explore the key features of the XC6124D737MR-G, its application field and its operating principle.

The XC6124D737MR-G is a low-voltage low-current supervisor designed to monitor the supply voltage and reset the system in case of a drop or a user-defined voltage threshold. This supervised IC is ideal for use in mobile phones and portable devices due to its exceptionally small size, low current consumption and ability to accurately monitor the supply voltage. The XC6124D737MR-G is powered by a single 3.3 V to 5V supply voltage and features an output voltage range between 0.8 and 3.6 V. It is also equipped with a high-accuracy reference voltage that can be adjusted to a tolerance of 0.25%.

The XC6124D737MR-G enables users to configure several parameters to ensure that the system is functioning properly. The adjustable parameters include temperature coefficient, voltage hysteresis, detection delay, reset output voltage, and reset release current. These parameters can be adjusted through the device\'s integrated I2C interface. Additionally, the supervisor offers both an active high and an active low reset output to detect power status, and is able to recognize power-down input signals.

As far as its application field, the XC6124D737MR-G is well-suited for numerous types of electronic devices such as digital cameras, medical devices, tablets, navigation systems, touchscreens and point-of-sale systems. The device is also suitable for use in computers and embedded systems where a stable voltage is required for reliable operation. Additionally, the device features a number of ESD and EMC protection features to ensure robustness.

To understand the working principle of the XC6124D737MR-G, it is important to consider the device\'s internal circuitry. The IC consists of three major components: the power supply monitoring circuit, the reset generator, and the I2C interface. The power supply monitoring circuit consists of a voltage divider, a voltage reference and two comparators, which are used to accurately measure the supply voltage. The reset generator consists of a logic circuit that is responsible for generating the active-low reset output when the supply voltage drops below a user-defined voltage threshold. Finally, the I2C interface is used to configure the device\'s parameters, such as reset delay, reset voltage, and reset release.

In summary, the XC6124D737MR-G is a low-voltage low-current supervisor that belongs to the family of Supervisors and is intended for use in various electronic devices. It is powered by a single 3.3 V to 5V supply voltage and features an adjustable output voltage range between 0.8 and 3.6 V. It features several adjustable parameters, such as temperature coefficient, voltage hysteresis, detection delay, reset output voltage, and reset release current. These parameters can be adjusted through the device\'s integrated I2C interface. Additionally, the supervisor offers both an active high and an active low reset output and is well-suited for numerous types of electronic devices. The operating principle of the supervisor is based on the internal circuitry, consisting of the power supply monitoring circuit, the reset generator, and the I2C interface.

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