VN920-B5

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The VN920-B5 is a power management integrated circuit (PMIC) used in many power applications. It is a Power Distribution Switches, Load Drivers and is commonly used in industrial, medical or consumer devices in order to facilitate the distribution of power within a device. This IC is a cost effective, low-power solution for applications needing a wide input/output voltage range.

The VN920-B5 has two main functions: load driving and power distribution.

Load Driving: This function is primarily responsible for enabling and disabling channels on the board. It includes an integrated bridge switch, low-side driver, and protection MOSFETs that can support an input voltage of up to 75V. These switching and driving functions allow the IC to facilitate the connection of external circuits and can be used to control the current flow to the load. An integrated FET-guard logic circuit is used to monitor the load current, and if there is too much current, the load is disconnected.

Power Distribution: This function serves as the main power supply for the device and provides a wide input/output voltage range. It consists of a low-dropout (LDO) linear regulator and a switch-mode power supply (SMPS) that feature short-circuit protection and overload protection. The LDO linear regulator is responsible for providing a stable and regulated output voltage from a high input voltage, while the SMPS allows for efficient power distribution. It also improves the reliability and performance of the system by compensating for temperature variations, current overloads and voltage drops.

The VN920-B5 utilizes a variety of features to improve the performance and operation of power systems. First, the adjustable under-voltage lockout (UVLO) enables the device to operate safely by preventing system instability due to low input voltage. Additionally, the device includes internal soft-start circuitry, which eliminates the sudden inrush current that is caused when the system is switched on. Finally, it allows for easy integration with other system components through I2C communications and has several built-in fuse protection circuits.

In conclusion, the VN920-B5 is a powerful and reliable Power Management Integrated Circuit that is well-suited for applications needing a wide input/output voltage range. It is a reliable and cost-effective solution that can be used to facilitate the distribution of power in devices. It also provides many features such as load driving, power distribution, and a variety of integrated protections that enable it to operate safely and efficiently.

The specific data is subject to PDF, and the above content is for reference