S-8211CAA-I6T1U

PMIC - Battery Management

The S-8211CAA-I6T1U is a one-chip system solution with three channels (1 Memory Power Input + 2 Load Power Outputs) that meets the increasing need for high-performance, low-cost power supply systems. It integrates a low-dropout regulator (LDO), a power switch, and a current sense amplifier. The monolithic chip has been optimized for size and cost by a combination of advanced modes such as Adaptive Dielectric Regulation (ADR) and Advanced Energy Saving (AES).

Application Field

The S-8211CAA-I6T1U is ideal for applications that require low current consumption, low noise, and high ripple rejection, such as digital still cameras, PDAs, and portable devices. It is also suitable for microprocessors and programmable logic devices that require an advanced power system solution. Additionally, the device is used in automotive and industrial applications that require high power efficiency and high noise immunity.

Working Principle

The S-8211CAA-I6T1U features a built-in LDO and switch, providing a sophisticated power management solution that eliminates the need for external components. The LDO regulates the operating voltage of the output, while the switch manages the power supply voltage. The built-in current sense amplifier monitors the output current, detecting any abnormal changes and compensating accordingly. Additionally, the device features a low power wake-up circuit that enables the system to automatically recover from low power states.The ADR enables the device to sense and adjust its supply voltage to the optimum operating level, reducing power consumption and maintaining a stable output voltage.The AES feature ensures that the S-8211CAA-I6T1U operates at the lowest possible power consumption level when not in use, maximising battery life.

Conclusion

The S-8211CAA-I6T1U is an optimal power supply solution for a wide range of power management applications. Its built-in components, such as the LDO and switch, provide a simple and cost effective solution with the added benefit of high performance and low power consumption. Advanced features, such as ADR and AES, help to optimise the device’s performance, making the S-8211CAA-I6T1U an ideal choice for any application requiring an efficient and reliable power supply.