BD4958FVE-TR

Series:	BD49xxx
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	5.8V
Operating Temperature:	-40°C ~ 105°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOT-665
Supplier Device Package:	5-VSOF
Base Part Number:	BD49

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Introduction to BD4958FVE-TR

The BD4958FVE-TR is a digital power supply supervisor designed for mobile application use. It is part of the Power Management IC (PMIC) family of integrated circuits (ICs). The BD4958FVE-TR is primarily designed to improve energy efficiency, reduce component count and provide a higher level of safety.

Features of BD4958FVE-TR

The BD4958FVE-TR is a highly integrated digital power supply supervisor with a wide range of features and benefits. The device features integrated over-voltage protection (OVP), under-voltage protection (UVP) and thermal protection. It also has a 2-phase crowbar circuit which prevents electrical overloads. Additionally, the BD4958FVE-TR has a wide range of programmable functions such as soft start, power-on reset and brown-in detect. The device also includes an embedded RTC (Real-Time Clock) and internal oscillator for timing accuracy and stability.

Applications of BD4958FVE-TR

The BD4958FVE-TR is ideal for use in a variety of mobile applications such as smart phones, tablets, notebooks and portable devices. It is designed to provide higher levels of safety, reduce component count and improve energy efficiency. The BD4958FVE-TR is also well suited for use in a wide range of digital power supply systems such as off-board chargers, switching supplies, buck-boosts and voltage regulators. The device’s features and benefits help to ensure reliable operation and protection against over-voltage, under-voltage, thermal and overload conditions.

Working Principle of BD4958FVE-TR

The working principle of the BD4958FVE-TR is based on that of an Over-Voltage Protection (OVP) or Under-Voltage Protection (UVP) circuit. The device monitors the input voltage and provides a signal to the load if it exceeds the set threshold. The device can also be programmed to trip at a wide range of thresholds, allowing for flexible operation. In addition, the BD4958FVE-TR also includes a programmable 2-phase power-managing crowbar circuit which helps to prevent electrical overloads. In the event of an overload, the device will automatically disconnect the power supply to the load.The device also includes an embedded RTC (Real-Time Clock) and internal oscillator which allows the device to accurately measure time and provide accurate timing signals. Additionally, the device features soft start, power-on reset and brown-in detect capabilities, further enhancing its performance and reliability.

Conclusion

The BD4958FVE-TR is a digital power supply supervisor designed for use in mobile applications. The device is part of the PMIC family of integrated circuits and is designed to improve energy efficiency, reduce component count and provide higher levels of safety.The BD4958FVE-TR features a wide range of features and benefits such as over-voltage protection (OVP), under-voltage protection (UVP), two-phase crowbar circuit and soft start, power-on reset and brown-in detect functions. The device is well suited for use in a variety of digital power supply systems such as off-board chargers, switching supplies, buck-boosts and voltage regulators.The working principle of the BD4958FVE-TR is based on that of an OVP or UVP circuit and is designed to help protect against over-voltage, under-voltage, thermal and overload conditions. The device also includes an embedded RTC and internal oscillator for accurate timing and stability.Overall, the BD4958FVE-TR is an ideal digital power supply supervisor for use in mobile applications, digital power supply systems and other applications requiring safety, reliability and higher levels of energy efficiency.

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