BD4940G-TR Integrated Circuits (ICs)

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BD4940G-TR is a highly-integrated power management integrated circuit (PMIC) specially designed as supervisors used in various types of applications such as industrial/automotive, consumer and wireless/gateway. Its working principle relies on monitoring operation voltage and temperatures in order to guarantee the proper functioning of the system.

BD4940G-TR Application Field

BD4940G-TR belongs to a family of integrated circuits (ICs) employed to generate, control and maintain voltage and temperature regulation in order to reach optimal system performance. These PMIC ICs provide features such as current-limiting, temperature-dependent frequency control, voltage-scaling, over-voltage protection and monitoring, over-current protection, over-temperature protection and current fold-back.

BD4940G-TR can be used in a variety of electronic equipment and often found in devices for controlling electric power such as in battery-powered systems, car accessories, personal digital assistant (PDA), smartwatch, portable DVD player and similar devices. Automotive systems commonly use it for other purposes such as controlling interior lighting, supplying power to door locks, power steering pump and other.

BD4940G-TR Working Principle

In brief, the BD4940G-TR PMIC provides a comprehensive range of power management options, allowing it to monitor and control voltage and temperature levels and provide ideal power supply system performance in various types of systems. It is a versatile component capable of withstanding temperatures of up to 150°C, meaning it can deliver optimal performance even if exposed to extreme environments.

The working principle behind BD4940G-TR\'s voltage and temperature regulation is based on monitoring the electrical signals emanating from the sensor element in devices. The PMIC then adjusts its settings accordingly to deliver the proper voltage and temperature regulation for the system.

Moreover, the BD4940G-TR PMIC features a selectable reset (OUT1) function, an adjustable reset threshold (Vth) and a selectable reset delay timer (DEL) which can be used to adjust the reset threshold and delay timer for the best performance. Additionally, the built-in high-current MOSFET can be used to control the load, making it easier to reduce power consumption and current leakage.

Conclusion

In conclusion, the BD4940G-TR PMIC is an advanced power management IC which is available in various packages, including a 3.2mm x 5.0mm LQFP-48 package, a 4.0mm x 5.0mm LQFP-64 package and a 3.2mm x 3.2mm QFN. Its wide variety of features and its ability to withstand extreme temperatures make the BD4940G-TR PMIC an ideal choice for various applications, such as automotive, consumer and industrial electronic equipment, for voltage and temperature regulation.

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