BU46K302G-TL

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Power supply ICs, also known as power management ICs (PMICs), deliver power to different components within an electronic device. Supervisors are one type of PMICs, controlling circuit parameters to ensure safe device startup and operation. BU46K302G-TL is a high-performance supervisor specifically designed to protect electronic systems which need to maintain low power consumption.

Application Field

BU46K302G-TL is a low voltage, low power CMOS supervisor that monitors power supply voltage and system conditions. It is primarily meant for use in digital and power systems, but can also be used in systems with a low power consumption rating. This supervisor is commonly used in automotive applications including start/stop systems and engine control modules, battery management systems, and other advanced applications. They can also be used to monitor multiple voltage rails, ensuring continuity and fault protection.

Working Principle

BU46K302G-TL includes protection features such as a reset output, window comparators, independent power-on-reset, minimum voltage lockout, and boost-up. It includes two independent voltage thresholds allowing the optimization of two different power-on-reset thresholds. It also has a boost-up feature which allows the reset threshold to be increased in order to prevent battery discharge. The reset output signals the microcontroller when voltage levels exceed their respective thresholds and can be configured to provide a reset pulse or a direct reset output.

The BU46K302G-TL contains low-power consumption circuitry, providing an effective solution for low power consumption systems. Its precision voltage reference and temperature coefficient allows the reset threshold to be as accurate as ±3.0% over the temperature range of −40°C to +125°C. The power-on-reset delay output provides additional time for the system to initialize and configure itself after startup.

Conclusion

BU46K302G-TL is a low voltage, low power CMOS supervisor specifically meant to protect electronic systems with a need to maintain low power consumption. This supervisor is primarily used in automotive applications, but can also be used in a variety of other applications. Its reset output signals the microcontroller when voltage levels exceed their respective thresholds and can be configured to provide a reset pulse or direct reset output. It also contains low power consumption circuitry and a precision voltage reference and temperature coefficient. In this way, it provides safe startup, operation and fault protection, making it an effective solution to many power supply applications.

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