S-1011C5H-M6T1U4

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PMIC (Power Management Integrated Circuit) is an electronic system that manages power to electronic components and systems. It helps to reduce the current consumption of a system and simplify the power distribution. The S-1011C5H-M6T1U4 is a member of such PMIC family, which is specially designed to be used in various applications. This article will discuss its application field and working principle.

Applications of S-1011C5H-M6T1U4

S-1011C5H-M6T1U4 is a PMIC supervisory circuit from ROHM\'s S-1011 family. It is specially designed for low power and space-constraint application fields, such as wearable device, portable multimedia devices, digital cameras and home appliances. It is embedded with various features that make it suitable for such applications, like high-accuracy of supply voltage detection, low current consumption and sink/source current compatible MOSFET control. In addition, the integration of reverse current detection safeguard the load in reverse voltage environments.

Working Principle of S-1011C5H-M6T1U4

The working principle of the S-1011C5H-M6T1U4 PMIC supervisor circuit is basically to monitor a power supply in order to detect any malfunctions. It does so by measuring the current or an output voltage regularly. When an output voltage is below or above a certain threshold, the PMIC will signal for the power to be shut down. Additionally, the integrated circuit includes an overvoltage detection function that checks the power supply’s output voltage level. It will detect any surges or sudden spikes and shut down the power if the preset voltage level is exceeded.

The S-1011C5H-M6T1U4 PMIC supervisor circuit contains an internal voltage detector (Vdet) threshold voltage, comparator and delay circuit. The current drawn by the PMIC is managed by using FETs. When the voltage of the output voltage falls below the threshold voltage, the comparator will output a LOW logic level. At this stage, the circuit will start its delay sequence and if the output voltage is still LOW after the preset delay time, the circuit will output HIGH logic level to shut down the power.

Although the PMIC supervisor circuit is a simple device, it can offer many advantages. For example, it can reduce the power consumption of the system, prevent malfunctioning due to voltage fluctuations, protects the system from overvoltage, and signals the control system to shut off power during no-load conditions. Overall, the S-1011C5H-M6T1U4 PMIC supervisor circuit is ideal for low power and space-constraint application fields, such as wearable device, portable multimedia devices, digital cameras and home appliances.

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