BM81004MUV-ZE2 Integrated Circuits (ICs)

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Power Management Integrated Circuits (PMICs) are a key part of today’s complex systems, enabling sophisticated power management algorithms to be applied, such as battery charging and power sequencing. The BM81004MUV-ZE2 is a specialized PMIC designed for use in products where extreme power savings, low quiescent current, and ultra-low noise are essential for their operation. This article provides a detailed look into the applications fields and operating principle of the BM81004MUV-ZE2.

Applications Fields

The BM81004MUV-ZE2 is extremely compact, with a wide range of voltage options and power sequencing capabilities that make it well suited for low-power designs. It is a multi-voltage PMIC that supports input voltages ranging from 1.4 V to 5.5 V, making it suitable for a wide variety of products. Some of the key application fields for BM81004MUV-ZE2 include:

• IoT devices and wearables
• Battery-powered portable medical equipment
• Smart lighting systems
• Industrial sensors and controllers
• Smart home appliances

Working Principle

The BM81004MUV-ZE2 is a multi-channel fan-out PMIC that enables devices to efficiently manage power according to their intended usage. It is based on an internal main voltage regulator, which provides the output voltage, while a number of dedicated low-dropout (LDO) regulators are used to supply power to the various devices in the system.

The main voltage regulator uses pulse-width modulation (PWM) technology to regulate and control the output voltage. It converts the input voltage range into an output voltage range and controls the output voltage within a narrow range. The PWM control ensures high power efficiency and low quiescent current.

The BM81004MUV-ZE2’s power management capabilities are further enhanced by the use of two independent power sequencing channels. This enables the device to provide the correct power supply sequencing for different components in the system, such as a component that needs to be activated before another component begins to receive power.

The BM81004MUV-ZE2 also features multiple levels of over-current protection, as well as a comprehensive thermo-electric protection system. This ensures that the device operates within its safe operating temperature range and internal working voltages, while also providing protection against shorts and overloads.

Conclusion

The BM81004MUV-ZE2 is a specialized PMIC that is designed for applications where extreme power savings, low quiescent current, and ultra-low noise are essential. Its wide range of input and output voltage options, power sequencing capabilities, and added protection features make it a great choice for a variety of products, from wearables to industrial sensors.

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