S-8211CAZ-I6T1U

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The S-8211CAZ-I6T1U is a battery management solution suitable for high-power applications. It is an integrated Power Management Integrated Circuit (PMIC) that maximizes power efficiency and energy efficiency at the same time. This integrated power management solution is suitable for Lithium-ion, Lithium Polymer, and LiFePO4 battery chemistries.

The S-8211CAZ-I6T1U is a single-chip solution that combines a power supply, charge controller, and cell balancer into one package. The PMIC includes a 5mΩ power FET, 5mΩ charge FET, 5.6μA low quiescent current, 0.9% accurate voltage reference, and over-temperature protection. Its small size makes it suitable for designs with tight space constraints.

Key features of the S-8211CAZ-I6T1U include:

• Integrated regulator, charge and cell balance controller, voltage references and power FETs.
• Configurable charge current, safety timer, and minimum voltage detection.
• Low input voltage. This allows the device to be used in applications requiring a low operating voltage.
• High accuracy voltage references. This ensures tight control of charge precision.
• High efficiency. Average efficiency of 80 to 85%.
• High current and low RDSON power FET. This allows high charging and discharging current.
• Wide operating temperature range.

The S-8211CAZ-I6T1U is suitable for a wide range of applications, such as mobile devices, medical devices, and power tools. The PMIC is designed to be highly reliable and efficient, with a wide operating temperature range. It is also designed to meet Underwriters Laboratory (UL) requirements, making it the perfect solution for demanding high-power applications. The device is capable of delivering high current with low RDSON, making it suitable for applications like mobile phones, tablets, and laptops.

The working principle of the S-8211CAZ-I6T1U is based on two basic principles: a voltage reference, and a current-limited power FET. The voltage reference provides a stable reference point for the charger, while the power FET limits the amount of current that can be drawn. When a battery is connected to the S-8211CAZ-I6T1U, the device will detect the voltage and adjust its current output accordingly, providing an efficient charge. Additionally, the device also monitors the temperature of the battery and will also adjust its current output to prevent overcharging and overheating.

The cell balancer of the S-8211CAZ-I6T1U ensures the cells of the battery are kept in balance. This helps to minimize the voltage difference between the cells and avoids deep discharging, which can damage the cells. The cell balancer also protects the cells from overcharging, which can reduce their lifespan. Furthermore, the cell balancer also monitors the temperature of the cells and is able to adjust its current output in order to keep the cells within their safe operating range.

In conclusion, the S-8211CAZ-I6T1U is a versatile PMIC solution suitable for a wide range of applications. It is particularly suitable for high-power applications, such as mobile devices, medical devices, and power tools. Its integrated features, such as a 5mΩ power FET, 5.6μA low quiescent current, 0.9% accurate voltage reference, and cell balancer ensure reliable and efficient operation. It is also designed to meet UL requirements, making it an ideal solution for high-power applications.

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