BD45451G-TR Integrated Circuits (ICs)

PMIC - Supervisors involve a variety of integrated circuits (ICs), components, and circuitry that are used to detect, process, and control intrusions into a system. The BD45451G-TR is a Supervisory Circuit that is specially designed to monitor voltage and supply current in applications such as mobile, consumer, and industrial. It is an ideal choice for a wide range of systems with its numerous features, such as low current consumption, small size, and an adjustable threshold voltage. This article takes a closer look at the BD45451G-TR and its features, application field, and working principle.

The BD45451G-TR is a high-accuracy 6-pin SOT-23 microphone voltage monitor IC with integrated functions like supply current monitoring and low voltage detection. It boasts a low current consumption of only 15µA and a wide operating temperature range of -40°C to +85°C. The detection threshold voltage is programmable from 0.9V to 5.0V, making it the perfect choice for a wide range of systems. With a TTL compatible chip enable pin, an open drain interrupt output, and a reset output delay time of 100ms to 11.2s, the BD45451G-TR contributes to a more efficient and reliable system.

The BD45451G-TR\'s motion application field includes stand-by voltage monitoring, over-voltage monitoring, and power-supply modules detection. This makes it an ideal choice for mobile, consumer, and industrial applications that need reliable monitoring. In addition, the features of this IC, such as the programmable detection threshold voltage, TTL-compatible chip enable pin, and open drain interrupt output make it suitable for intensive monitoring, making it an excellent choice for any system.

The BD45451G-TR\'s working principle is simple. The device features a built-in comparator whose reference voltage is adjustable by a single resistor. When the monitor voltage is higher than the set voltage, the output pin goes low in less than 500ns, and stays that way until the monitor voltage drops to the set voltage. At which point the output pin goes high. This allows for high-precision monitoring, and can easily detect voltage changes regardless of their speed.

In conclusion, the BD45451G-TR is a highly reliable and efficient Supervisory Circuit specifically designed for motion applications. It offers a wide range of features such as low current consumption, adjustable threshold voltage, open drain interrupt output, and a TTL-compatible chip enable pin. All of these features and the BD45451G-TR\'s compact size make it an ideal choice for mobile, consumer, and industrial applications that need reliable monitoring.