MC33771BSA1AER2

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

Power management integrated circuits (PMICs) have become critical components for consumer electronics, as there is an ever-growing need for improved power efficiency and power savings due to the proliferation of battery-powered applications. Battery management devices, in particular, are an important subcategory of PMICs, providing intelligent resource optimization for single-cell and multi-cell battery packs. The MC33771BSA1AER2 from ON Semiconductor is a highly integrated battery management devices that serves as an ideal solution for managing and optimizing battery efficiency on low to mid-range consumer electronic applications, such as portable media players, GPS units, computer peripherals, SMART hand-held devices, and other handheld/mobile products.

The MC33771BSA1AER2 is designed to monitor and manage single-cell Li-ion/Li-polymer battery packs, featuring two operation modes: the low voltage protection (LVP) mode and the over-temperature protection (OTP) mode. In the LVP mode, the device provides protection against over-discharge of the battery pack and also features a programmable low voltage threshold to generate an interrupt. This prevents the risk of over-discharge of the battery pack and keeps the battery pack in optimal condition. In the OTP mode, the device monitors the battery pack temperature and acts as a failsafe, triggering an interrupt when the temperature approaches a pre-defined threshold. This safeguards the battery pack from damage due to excessive heat.

The MC33771BSA1AER2 is a comprehensive device, providing multiple functions for efficient battery management. It features a 4-channel low side switch for controlling four devices, such as fans and LEDs, powered by the battery pack. The device also integrates an analog-to-digital converter (ADC), allowing it to read the battery pack voltage. This helps in determining the battery pack\'s current state of charge and discharge rate, aiding efficient battery management. The device also features a programmable charge current profile, allowing it to be optimized according to the application.

The MC33771BSA1AER2 also features a dedicated interrupt output pin, providing the user with an immediate notification in the event that any of the monitored parameters exceed their programmed limit. The device even integrates voltage regulation capability, allowing it to provide a stable output voltage for the load devices, even when the battery pack voltage is unstable. Furthermore, it incorporates a low power shutdown mode, allowing current consumption to be minimized when the battery pack is not in use. The device is manufactured in a small 44-pin LLP package, facilitating easy integration into compact designs.

To sum up, the MC33771BSA1AER2 is an ideal solution for managing and optimizing battery efficiency in low to mid-range consumer electronic applications. Taking advantage of its various built-in functions and protection modes, it is capable of providing sophisticated battery management for single-cell Li-ion/Li-polymer battery packs, ensuring optimal load performance and battery life. Additionally, its small form factor and low power operation make it well suited for use in space-constrained applications.

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