BD4838G-TR Integrated Circuits (ICs)

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BD4838G-TR is a supervisory IC designed for monitoring voltage and is classified as a PMIC (Power Management IC) - Supervisors. It offers accurate and reliable operation since it is capable of sensing voltages as low as 0.9V and as high as 6V. Its versatile operating voltage range, low current requirements, and easy circuitry integration make it a personalized solution for battery management and system protection.

The BD4838G-TR IC has a wide variety of application fields, ranging from medical to industrial, to automotive. Its most predominant application is in monitoring the battery backup voltage in laptops. Commonly, it is used to control, detect and protect the voltage range of a secondary battery. Further, with increasing proliferation of portable electronics, the BD4838G-TR power management solution has become a popular choice for extending the life of the system.

The BD4838G-TR supervisor IC does this by accurately enforcing a preset voltage limit.The built-in +/- 5% accuracy allows for the device to respond to any over or under voltage trips within 5% of the analog reference voltage. With the help of an output control pin, the device can regulate charge current from the main battery to the backup battery, ensuring extended battery life. In addition, the IC’s reset output pin is capable of resetting the entire system of a PMIC in case of a system malfunction.

The BD4838G-TR supervisor IC is designed to operate in a wide temperature range: -40°C to 85°C. It also contains on-chip temperature compensation and device temperature monitoring capabilities, allowing the over/under voltage output lockout to suspend system operations when the IC temperature is above or below the setpoint. Some other features of the IC include a reverse polarity input protection, short-circuit protection, and a built-in significant amount of noise immunity on its input/output pins.

The BD4838G-TR works based on the basic voltage supervisor working principle. It is designed to ensure that the system voltage does not drop or go higher than a predetermined value. To do this, the device monitors the system\'s main supply by checking the input voltage level. The input voltage is evaluated against an internal reference voltage that is specified in the device’s datasheet.

If the input voltage is higher than the reference voltage, the IC sets its output pin low, thus informing the system that the supply is stable and there is no need to reset. If the input voltage drops below the preset limit, the IC will set its output to high indicating that the system needs to be reset immediately.

In addition, the BD4838G-TR IC can also be used to detect an under voltage condition, or an over voltage condition. This is done by changing the trigger point of the internal comparator. By setting the voltages higher or lower, the device can be used to detect an over or under voltage condition.

The BD4838G-TR PMIC-Supervisor is a cost effective and reliable device, making it an ideal choice for system power management and protection. It is versatile, wide operating voltage range, low current requirements, and temperature monitoring capabilities make it a great solution for battery management and system protection.

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