BD4722G-TR

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The BD4722G-TR is a precision supervisor from the PMIC – Supervisors category, with a wide range of applications that range from simple voltage and temperature monitoring to more complex system-level power sequencing. The primary function of the device is to keep an eye on the system, particularly when it comes to the power status of the system, and to provide fault and warning signals during different states of power supply and system operation.

In the most basic scenario the BD4722G-TR provides voltage and temperature monitoring, with simple comparators that are used to compare the voltage levels, as well as their own internal reference voltages, to detect any irregularities. It is then possible to trigger onboard logic to identify any warning or fault conditions, which can be set up as a system interrupt or other reprogrammable logic output. With its onboard temperature and voltage supervisor capabilities, the BD4722G-TR is ideal for ensuring compliance with various system requirements, including Power-On Reset (POR), delay, and active-high output (AHO).

More complex systems require more sophisticated supervision, and the BD4722G-TR is well-equipped to provide these features as well. The device features a 16-bitprogrammable power-on reset timer, which can be used to generate a timeout event to a system. The onboard logic then uses this signal to initiate a power too low cycle and reset the domain, resetting the system and allowing the system to enter its desired state. The device also features an adjustable threshold and hysteresis voltage, which allows it to detect varying levels of power and react accordingly. The BD4722G-TR also includes an internal oscillator, allowing for an adjustable number of power-on cycles to occur during a given temperature or voltage span.

The BD4722G-TR also offers a range of protections for the system, such as over-voltage protection, thermal shutdown, and brown-out protection. These features, when combined with its voltage and temperature monitoring capabilities, make the BD4722G-TR an ideal choice for a range of applications, from consumer applications to industrial and automotive systems. The supervisor is also very power efficient, with an operating current of only 6 uA, making it an ideal choice for applications where power conservation is a key factor.

Overall, the BD4722G-TR is an extremely versatile PMIC supervisor, providing a wide range of features and safeguards that make it an ideal choice for a variety of applications. From consumer applications to industrial and automotive systems, the supervisor provides voltage and temperature monitoring and protection, as well as power sequencing and other enhanced features that make it an ideal choice for ensuring system stability, compliance, and power conservation.

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