S-8252ABA-M6T1U

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The S-8252ABA-M6T1U is a single-channel battery monitor IC which offers designers a cost-effective, low-power solution for monitoring a variety of batteries.

Overview

The S-8252ABA-M6T1U is intended for applications that require precise monitoring of Li-ion, Li-polymer and other types of rechargeable batteries. The device integrates an internal voltage divider, internal voltage regulator, temperature sensor and an 8-bit analog-to-digital conversion (ADC) module in a 2.0mm x 2.1mm x 0.5mm ultra-compact package. This combination of features helps reduce the BOM and design time for engineers.

Features

• Accurate voltage monitoring and temperature sensing
• 8-bit internal ADC module and 12-bit external ADC module
• Dual analog output for displaying voltage and temperature
• Internal voltage regulator and voltage divider for wide range operation
• Battery temperature alert (BTP) function
• System reset function included
• High resolution and accuracy
• Ultra-small package size

Application Field and Working Principle

The S-8252ABA-M6T1U is suitable for battery pack applications, such as notebook computers, tablets, and smartphones, where precise monitoring and control of the battery state-of-health is required. The device monitors the voltage of each cell in the battery pack, as well as the temperature, and is capable of providing an alarm when the voltage and/or temperature exceed a pre-set threshold. This allows the system to take corrective action when needed.

The working principle of the S-8252ABA-M6T1U centres around its internal voltage divider and voltage regulator. The voltage divider allows the device to accurately monitor and measure the battery voltage, while the regulator provides a stable power supply for the internal sensors and ADC. The device also has an integrated temperature sensor, which can be used to monitor the temperature of the battery. The readings from the voltage and temperature sensors are then fed into the 8-bit on-chip ADC, which converts the analog signals into digital values.

These digital values are then used to determine the state-of-health of the battery, as well as to generate alerts when the voltage or temperature exceeds a pre-set threshold. By monitoring the battery in this way, designers can ensure that the system is operating correctly and efficiently, thus extending the life of the battery and the system itself.

Conclusion

The S-8252ABA-M6T1U is ideal for battery pack applications, where accuracy and reliability are essential. The device offers a low-power, cost-effective solution that helps reduce design time and BOM costs. It provides a reliable performance in a small footprint, making it a great choice for applications that require precision battery monitoring.

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