BD45251G-TR Integrated Circuits (ICs)

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The BD45251G-TR is a voltage supervisor from ROHM Semiconductor’s BD45xxx series of Voltage Supervisors. These devices are designed to monitor and protect power supplies; providing system reset, delay delay output and power-on connected functions. The BD45251G-TR is an advanced version of the BD45251G and features both improved accuracy and higher level specifications, making it an ideal choice for system reset, delay delay output and power-on connected functions.

The BD45251G-TR is a low power consumption, low dropout single channel voltage supervisor. It has an accuracy of ±1%. The input voltage can range from 1.5V to 6V, with an output of 1.0V to 6.0V. The device can monitor both single- and multi-stage power supplies with a long reset delay time of up to 10s, making it suitable for safety-critical applications.

This device is specifically designed for automotive applications, thanks to its extended temperature range of -40°C to +125°C. The BD45251G-TR also offers low power consumption, a built-in watch clock, hysteresis and helpful short-circuit protection. In addition, it has built-in over-voltage and under-voltage protection.

The BD45251G-TR can monitor both single- and multi-stage power supplies and is designed to minimize the impact of abnormal supply voltages, such as brown-out conditions and voltage dropout. With the added watch clock and the ability to detect input current polarity, the device can accurately detect power supply fault conditions during system setup or normal operation.

The BD45251G-TR has a robust internal design that ensures the device stays on in the event of an output short-circuit. The device can also detect harmful transients caused by sudden power drops, protecting the system from overstress. The reset pin (RST) can be used to control the reset time delay, as well as to generate an output pulse when the supply voltage is recovered.

Overall, the BD45251G-TR is an excellent product for applications requiring power supply monitoring and protection. With its advanced features, it provides a reliable and cost-effective solution to customers in the field of industrial and automotive electronics.

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