BD4956FVE-TR

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Power management integrated circuit (PMIC) is an important component in various application fields such as communication, electronics, and some industrial fields. Supervisory circuits, or supervisors, are a crucial part of PMICs because they manage the power on/off cycle, system reset, and other important functions. BD4956FVE-TR is one of these supervisors, and it is used for the power management of embedded systems including the integrated system-on-chip (SoC).

BD4956FVE-TR is a core component for the management of system power, reset, and sleep in electronic embedded applications. It can be used for power-on control in single-chip microcomputer systems and keeps the system running in a sequential order. It integrates a voltage detector, POR circuit, reset circuit, and CPU reset circuit. The voltage detector can detect two supply voltages, and the POR circuit can reset the system even in the presence of various interruptions. It also has a low-voltage detection circuit that can detect low-voltage scenarios and reset the system accordingly.

BD4956FVE-TR integrates two independent POR circuits to help reduce power consumption and maximize battery life on mobile applications. The reset circuit can detect the pulse generated by an on-chip voltage regulator or when a system operation is completed and reset the CPU. This reset generator uses a low-current system power supply, which reduces power consumption and eliminates any unnecessary additional power sources. It has a low-voltage reset function to keep the system from being disturbed by an over-voltage, ensuring safety and reliability.

The voltage detector inside BD4956FVE-TR uses an on-chip voltage-transfer mechanism that allows the voltage detector to measure the voltage only when the chip is not in the process of resetting. This helps to prevent unnecessary system disruptions. It also provides a reliable voltage detection circuit that can accurately measure two supply voltages even under extreme environmental conditions.

BD4956FVE-TR also works as a controller that can shut down the main power supply based on the signals sent by other power controllers. It can detect the voltage and periodically check the voltage status. When the voltage is not maintained within a certain range, then it turns off the main power supply and keeps the system running through the backup power supply.

BD4956FVE-TR has a static reset circuit which can detect an rise in supply voltage, check the maximum and minimum limits, and reset the system accordingly. It also includes a self-reset timer circuit and a delay timer which is used for the self-reset and delay circuit reset. This delay and self-reset timer is more reliable as compared to traditional one-time self-reset and delay circuits.

BD4956FVE-TR can be used in various application fields including communication, smartphones, tablets and embedded systems. The device helps to provide efficient system power management while reducing power consumption and ensuring data reliability. Additionally, it ensures system security and ensures a smooth operation in a safe and reliable manner.

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