BD5326FVE-TR

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The BD5326FV-TR is a voltage supervisor manufactured by ROHM Semiconductor. It is a power management integrated circuit (PMIC) - supervisors that can provide overvoltage protection, undervoltage protection, or both. The BD5326FV-TR is designed to detect various voltages such as the power supply voltage or the battery voltage, and to provide an output when the voltage exceeds the limit.

The switchable logic level output of the BD5326FV-TR makes it suitable for applications that require precise voltage monitoring in a wide range of applications. In addition, the standby control feature allows the supervisor to enter a low-power mode and maintain its functionality.

The BD5326FV-TR is mainly used for protecting the circuit from in-rush current, over-voltage and under-voltage. It can be used in power supplies, telecommunications, microcontrollers and other electronic systems. By providing a logic output signal when the input voltage exceeds the threshold, the BD5326FV-TR can be used to reset a microcontroller, shut down a power supply, allow a user to reestablish communications, and more.

The BD5326FV-TR features an adjustable threshold range from 1.5 V to 6.7 V. It has low consumption current and high accuracy measurement. In addition, the LED indicator can be used to show the status of BD5326FV-TR. The pin-out diagram is printed on the back of the package.

The BD5326FV-TR works in two main modes: active mode and standby mode. In active mode, the voltage at the FLG pin is monitored and compared with the threshold voltage entered in the UVL and OVL registers. If the voltage exceeds the threshold, the status flag is raised, the FS pin is pulled LOW, the LED is turned ON and the MUTE function is disabled. The LED will blink when the voltage reaches the OVL threshold and remain lit until the voltage drops below the OVL threshold.

In standby mode, the BD5326FV-TR operates in an ultra-low power mode. The current consumption of the device is reduced dramatically and the VDD pin is monitored continuously. If the VDD pin voltage drops below the UVL threshold for more than 10 ms, the device is reset and the FS pin is pulled LOW. The device will remain in active mode until the VDD pin voltage drops below UVL threshold again.

The BD5326FV-TR provides several user-selectable options. The Voltage Setting Mode (VSM) allows the user to choose between three options: Internal Reference, External Reference and Internal Trim. The OVL and UVL values, as well as the other threshold parameters, can be modified using the internal registers. The Reset debounce time can also be adjusted using the FDRC register. Additionally, the device offers a software reset feature that can reset the device without the need for a hardware reset.

In summary, the BD5326FV-TR is a voltage supervisor that offers extensive protections options and versatility. It is suitable for a wide range of applications such as power supplies, telecommunications and microcontrollers. It features adjustable threshold levels, low power consumption and user-selectable options. The LED indicator enables users to see the status of the BD5326FV-TR in real time. The device is capable of providing precise over-voltage or under-voltage protections and can be used to reset a microcontroller and other systems as needed.

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