MXD1810UR46+T

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The MXD1810UR46+T is a voltage supervisor with dual low-voltage monitoring output, pushing button reset, manual reset input, and a watchdog time-out timer. It is part of the Power Management Integrate Circuit (PMIC) - Supervisors category and is designed for a variety of applications. This piece will explain the applications and working principles of the MXD1810UR46+T.

Applications

The MXD1810UR46+T comes in a miniature 4.0 x 3.2 x 1.3 mm form factor and is designed for a variety of applications. These include Automotive applications, Industrial applications, and Networking applications. In Automotive applications, this supervisor IC is often used for monitoring and controlling power stability in systems such as engine controllers, airbags, and transmission control modules, among others. In industrial applications, it is used in telecommunications, instrumentation, and safety systems. Finally, in networking applications, it is used in Ethernet switches, routers, and gateways. The wide range of applications demonstrates the versatility of the MXD1810UR46+T.

Specifications

In order to better understand the capabilities of the MXD1810UR46+T, let\'s take a look at its specific specifications. A few key specifications of this product are as follows:

• Operating supply voltage range: 2.4 V to 5.5 V
• Under-voltage detection voltage range: 2.3 V to 5.4 V
• Low supply current: 500 nA (typical)
• High temperature operating range: -40°C to +125°C
• Package: 4.1 mm x 3.0 mm, 8-pin UFLGA

The specifications outlined above show the wide range of capabilities of this product and its ability to be used in a variety of applications.

Working Principle

The MXD1810UR46+T has one dual-channel low-voltage detection input and two independent low-voltage monitoring outputs. Its dual-channel low-voltage monitor (LV1/LV2) can be used to monitor two voltages at the same time, making it suitable for applications that require multiple voltage levels. The LV1/LV2 pins have an adjustable hysteresis voltage range that can be set from 0 V to 2 V. It also features an adjustable watchdog timer that can be used to detect system malfunctions by setting the time-out period anywhere from 2 ms to 16s.

Additionally, the MXD1810UR46+T has a manual reset input (MR) pin for manual system reset. It also provides a dedicated POR (positive output reset) pin that can be used to reset the CPU or other circuits. The POR output is open-drain and can be used to reset any other multiple ICs or devices.

Finally, the MXD1810UR46+T also features an active low-going reset output (RESET) pin. This is used to reset the MCU or other peripheral devices when the system voltage falls below the preset threshold. The RESET output is active-low and can sink up to 15 mA of current, making it suitable for applications that require a wide margin of safety.

Conclusion

The MXD1810UR46+T is a member of the PMIC - Supervisors family of voltage supervisors and is designed specifically for a variety of applications. It is capable of monitoring two voltages simultaneously, has an adjustable watchdog timer, manual reset input as well as an active low-going reset output. With its miniature size, wide operating range, and adjustable settings, the MXD1810UR46+T is an ideal candidate for a variety of applications that require reliable monitoring of system voltages.

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