AP9101CAK6-AYTRG1

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AP9101CAK6-AYTRG1 is an integrated battery-management system with common cathode architecture, which includes an analog-to-digital converter (ADC), two alternating conductive compensation circuits (ACCCs) and two configurable battery monitors. The AP9101CAK6-AYTRG1 is designed for battery systems with multiple cells and provides maximum flexibility for achieving accurate cell balancing with either passive cell balancing or active balancing.

AP9101CAK6-AYTRG1 is designed to address the different needs of various applications, such as tablets and mobility solutions, due to its low power dissipation and high cell-balancing accuracy.

Application Field

AP9101CAK6-AYTRG1 is well-suited for the demands of battery-backed applications, such as tablets, wearables, and other general-purpose mobility applications. With an integrated configurable voltage supervisor, AP9101CAK6-AYTRG1 monitors the system\'s power-supply states to ensure that the correct safety operations are executed at all times. This helps ensure device life and battery longevity while preventing thermal runaway due to overcharging.

AP9101CAK6-AYTRG1 offers the advantages of fast transient response time and economized system power consumption. Using 8-pin QFN package, AP9101CAK6-AYTRG1 takes up a much smaller area than discrete solutions. Thanks to the integrated ADC and ACCC block, it achieves a lower system cost and better system design simpler than its counterparts.

The AP9101CAK6-AYTRG1 covers a wide input-voltage range, making it suitable for 3.25V to 21V battery packs, and its load-current-sensing capability helps enhance battery performance without compromising system safety. The AP9101CAK6-AYTRG1 also offers adjustable overcharging and overdischarging settings to prevent overvoltage and undervoltage conditions.

Working Principle

At the heart of AP9101CAK6-AYTRG1 is the Advanced Battery Management System (BMS). This provides all the battery-monitoring and control functions, including cell-voltage monitoring, active and passive cell-balancing control, overvoltage and undervoltage protection, and temperature monitoring. The AP9101CAK6-AYTRG1 also features a high-accuracy ADC and an integrated alternating current and conduction compensation (ACCC) block, which enables accurate channel-to-channel balancing and a precision balance-control loop.

The AP9101CAK6-AYTRG1 is configured with two configurable monitors that monitor the temperature, battery current, and individual cell voltages. These configurable monitors provide a variety of options and are used to help maximize efficiency, safety, and battery lifespan. Additionally, the AP9101CAK6-AYTRG1 includes a battery-protection feature that enables the system to automatically shut down whenever an overvoltage, undervoltage, or overcurrent condition is detected.

The two ACCCs included in AP9101CAK6-AYTRG1 provide a variety of options, including automatic balance control, load-current-sensing control, and temperature-compensated balance control. These ACCCs enable seamless active or passive cell balancing and a low-power, high-accuracy cell-balancing architecture. The AP9101CAK6-AYTRG1 also features a built-in watchdog timer to ensure that the device is operating correctly and that the system is running safely.

In short, AP9101CAK6-AYTRG1 features an integrated battery-management system that enables accurate and safe monitoring and control of battery systems with multiple cells. The system offers a variety of options, including passive and active cell-balancing control, temperature monitoring, overvoltage and undervoltage protection, and load-current-sensing control. This allows the system to maximize efficiency, safety, and battery lifespan.

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