AP9101CK-AOTRG1

PMIC - Battery Management: AP9101CK-AOTRG1 Application Field and Working Principle

AP9101CK-AOTRG1 is a highly specialized, high-efficiency Power Management Integrated Circuit (PMIC) designed for Battery Management solutions. It is a highly integrated, specially designed for use with lithium-ion batteries, as well as other types of devices that require high-precision current and power management. These devices feature a wide input voltage range from 2V to 20V, and a wide output voltage range from 10 mV to the programmed maximum voltage. It also features secondary side system shutdown and output protection, Reverse Battery Protection (RBP), and an adjustable high-side N-Channel MOSFET that can be used to regulate current and voltage, as well as providing communication to and from the battery control system.

Application Field

AP9101CK-AOTRG1 is a perfect solution for battery management in products such as power banks and wearable devices, where efficient power distribution, accurate monitoring, and reliable protection are critical. The devices embedded with the AP9101CK-AOTRG1 can support the input voltage from 2V to 20V, ensuring a stable and reliable power supply and data communication with the devices. In addition, the AP9101CK-AOTRG1 in combination with other PMICs can be used to build an intelligent power system that can better control and monitor power quality and status, increase system performance and enhance user experience. With the high-side PMIC MOSFET, an adjustable total control of the current and voltage is easily achieved, and it can also be used for communication with other devices.

Working Principle

The AP9101CK-AOTRG1 PMIC is based on the topology of synchronous buck converter. It uses a high-side N-channel MOSFET to regulate the output current while it is connected to the input power supply. It also uses PWM techniques to provide voltage control and programmable output voltage. Its bucking process is suitable for any voltage applications, allowing a maximum output voltage up to 30V. The output operates in DCM mode and can be programmed over the OTP area for a wide array of output voltage and current requirements. In addition, the PMIC is also equipped with a sensing circuit for detecting current and voltage, as well as secondary side system shutdown and output protection. The AP9101CK-AOTRG1 also utilizes a low-power stand-by mode, offering higher levels of energy efficiency while conserving power when not in use.

Component Layout and Performance

The AP9101CK-AOTRG1 is housed in a compact 8-pin, 4mm x 4mm TDFN package, and provides an adjustable high-side N-Channel MOSFET for current and voltage control. As for the performance, it offers an up to 3A output current and up to 35W output power, along with programmable output voltage from 10mV to the maximum programmed voltage of 30V with an accuracy of +/-2%. The efficiency of the device is up to 95%, and it has an integrated sensing circuit for current and voltage measurements. The AP9101CK-AOTRG1 also has an adjustable switching frequency from 2kHz to 5kHz, allowing for the user to optimize for optimal efficiency for the application.

Conclusion

AP9101CK-AOTRG1 is a highly specialized high efficiency PMIC designed specifically for Battery Management applications. With a wide input voltage range and programmable output voltage, it is ideal for applications where a reliable, accurate and efficient power management system is needed. It features a high-side N-Channel MOSFET that can be used to control current and voltage, as well as providing communication to and from the battery control system and secondary side system shutdown and output protection.