BD4846FVE-TR Integrated Circuits (ICs)

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The BD4846FVE-TR is an advanced power management integrated circuit (PMIC) from ROHM Semiconductor. It is part of the Supervisors product family, which provides over temperature, over current and over voltage protection for microprocessors and other power components. The device integrates two voltage regulators, two MOSFETs, a temperature sensor, a comparator and an ADC in a single chip. This makes it an ideal solution for system designs that require efficient power management and advanced safety features.

BD4846FVE-TR Application Field

The BD4846FVE-TR is well suited for a wide range of applications such as industrial electronics, automotive systems, communication devices and consumer electronics. The device offers an efficient solution for power supply and system over temperature, over current and over voltage protection. The device is also designed to reduce energy consumption by providing auto-discharge control.

In addition, the device offers a variety of features such as voltage monitoring and limit settings, temperature detection, thermal shutdown, output voltage trimming, soft-start control and auto-discharge control. These features make the device suitable for a wide range of applications such as CPU protection, DC-DC converters, AC/DC power supplies, embedded systems, etc.

BD4846FVE-TR Working Principle

The BD4846FVE-TR operates in two modes, active and standby. In standby mode the device is idle and consumes very low power. In active mode the device is actively monitoring and providing over current, over voltage and over temperature protection. The device employs a dual-stage architecture with active and safety voltage regulators. The active voltage regulator utilizes a digital-controlled constant current control to provide output voltage accuracy and stability. The safety voltage regulator provides overcurrent, over voltage and over temperature protection. The device also has an integrated temperature sensor which monitors the device temperature and initiates the thermal shutdown feature in case the temperature exceeds the programmed value. The device also offers auto-discharge control to reduce energy consumption and improve system efficiency.

The BD4846FVE-TR offers a variety of features such as voltage monitoring and limit settings, temperature detection, thermal shutdown, output voltage trimming, soft-start control and auto-discharge control. All these features make the device ideal for a wide range of applications.

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