S-8209AAF-T8T1U

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Function:	Multi-Function Controller
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	--
Fault Protection:	--
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	8-TSSOP

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IntroductionThe S-8209AAF-T8T1U is a powerful programmable power management integrated circuit (PMIC) from Sancode that combines capabilities for on-chip battery charging and monitoring. The device is ideal for mobile applications where space and power are at a premium but efficiency and reliability are key requirements. It offers a wide range of protection and fault detection functions, as well as integrated programmable logic, enabling application-specific configurations. The S-8209AAF-T8T1U is suitable for a variety of power supplies, such as tablet, notebook, and other mobile platforms. Application FieldThe S-8209AAF-T8T1U is suitable for mobile applications such as tablet PCs, notebooks, and portable game consoles. With its on-chip battery charging and monitoring functions, it is designed to provide efficient, reliable, and cost-effective battery management solutions. It is capable of charging and discharging both lithium-ion and lithium-polymer batteries, providing continuous and stable power supply during long and complex battery operations. The S-8209AAF-T8T1U will optimize the battery life by charging and discharging the battery using predetermined algorithms. It also includes an inertial wake up mechanism, allowing the user to wake up and resume the normal operation of the device without any power consuming tasks. The S-8209AAF-T8T1U is equipped with over voltage protection, current limitation, and over temperature, over charge and over discharge protection. It is also capable of detecting battery faults and providing warnings and alarms, ensuring a safe and efficient battery management. The S-8209AAF-T8T1U also features programmable logic and data controller functions that allow for custom application configuration. This enables the device to be used in embedded hardware applications, such as wearables, automotive and consumer electronics. Working PrincipleThe S-8209AAF-T8T1U works on the principle of linear charging and discharging of the battery. During charging, the device monitors the battery voltage and uses a linear charge control algorithm to maintain the voltage within predetermined limits. During discharging, the device maintains the battery’s voltage by discharging current at the same rate as the battery voltage drops. The device is programmed with two different profiles, one for quick charging (fast charging) and one for slow charging (trickle charging). Quick charging occurs when the battery is mostly drained and the device is programmed to supply current to the battery at a rate greater than the battery’s self-discharge rate. When the battery reaches the peak charging voltage, the device stops charging and will remain in a ready state until the user activates the slow charge mode. In slow charge mode, the device supplies current at a rate that is less than the battery’s self-discharge rate. This allows the device to maintain the battery’s voltage for extended periods of time without overcharging. The device is also programmed with an inertial wake up mechanism, allowing the user to wake up the device and resume operation without any power consuming tasks. In addition to charging and discharging the battery, the device is also capable of monitoring the battery’s voltage for faults and providing warnings and alarms when a fault is detected. The device includes over voltage and over temperature protection, allowing for safe and efficient battery management. ConclusionThe S-8209AAF-T8T1U is a versatile programmable power management integrated circuit that combines capabilities for on-chip battery charging and monitoring. It is suitable for a variety of mobile applications, and is capable of charging and discharging both lithium-ion and lithium-polymer batteries. It is programmed with two different charging profiles, quick charging and slow charging, and features an inertial wake up mechanism. The device also includes protection and fault detection functions and programmable logic, enabling application-specific configurations.

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