BD5251G-TR

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PMIC (power management integrated circuits) are designed to provide power management solutions for electronic equipment. PMICs are mainly used in portable electronic gadgets such as digital cameras, cell phones, PDAs, MP3 players and other gadgets. PMICs help optimize battery life of such devices and enable superior performance through advanced power control algorithms. Supervisors are a type of PMIC products specifically designed to provide protection against device failure caused by overcurrent or overvoltage. They are widely used in communication systems, computing systems, consumer electronics, and automotive industries. The BD5251G-TR is an innovative and feature-rich supervisor with protection capabilities for a wide range of applications. In this article, we discuss the application field and working principle of the part.

The BD5251G-TR is a highly integrated low-power supervisor IC designed to protect a variety of systems from overvoltage and overcurrent faults. It features comprehensive monitoring, control, and protection capabilities making it suitable for a wide range of applications. It also has two input lines for two separate power sources, making it ideal for dual power supply systems. The part can be used in single- or dual-voltage systems with a voltage range of 2.2V to 6.5V.

The BD5251G-TR offers a wide variety of features and protection features, making it suitable for a wide range of applications. The part is capable of detecting and responding to undervoltage, overvoltage, load regulation failure, overcurrent, and over temperature faults. It also provides adjustable voltage thresholds, precise current sensing, and over-current hysteresis to prevent false triggering. Additionally, the part comes in a small 2mm × 2mm WL-CSP package, making it ideal for space-restricted applications.

The BD5251G-TR utilizes a dual-channel configuration to provide protection from overvoltage and overcurrent faults. The dual-channel configuration allows for independent control of two separate power sources. The first channel is used for the main power source, and the second channel is used for an auxiliary power source. The main power source can be monitored for overvoltage and undervoltage conditions and will respond by shutting down the supply when a pre-set threshold is exceeded. The auxiliary power source can be monitored for both overvoltage and overcurrent faults and will respond by switching off the power when the pre-set thresholds are exceeded.

The BD5251G-TR has a number of additional features to enhance system reliability. It has a programmable soft-start protection feature to protect against in-rush current during startup or energy surges. It also has a start-up count feature which can be used to limit the number of attempts to start the system and an emergency shut-down feature which can be used to stop the system in the event of an emergency. Additionally, the part comes with an internal oscillator and a watchdog timer which can be used to monitor the system.

The BD5251G-TR is suitable for a wide range of applications including battery powered equipment, computing systems, communication systems, consumer electronics, automotive systems, and industrial systems. With its comprehensive protection capabilities and small package size, it is ideal for space-restricted and cost-sensitive applications.

In conclusion, the BD5251G-TR is a feature-rich and highly integrated supervisory IC with comprehensive monitoring, control, and protection capabilities suitable for a wide range of applications. It is capable of providing overvoltage and overcurrent protection of two separate power sources, along with numerous other features such as an adjustable voltage threshold, precise current sensing, and an emergency shut-down feature. Its small package size makes it ideal for space-restricted applications, and its comprehensive feature sets make it suitable for a wide range of applications.

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