AP9101CAK6-CHTRG1

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PMICs, or power management integrated circuits, are commonly used in portable electronic devices for managing the delivery and distribution of power. The AP9101CAK6-CHTRG1, an advanced power management IC from Alphabet, is a key component in providing control, efficient power management, and enhanced system safety for modern rechargeable battery-powered devices. This article provides an overview of the AP9101CAK6-CHTRG1, including its application field, working principle, and features.

Application Field

AP9101CAK6-CHTRG1 is designed to address the needs of wired and wireless communication devices, smartphones, medical devices and power tools. It is applicable as a charging IC for single or multiple Li-ion batteries and can support up to 4 Li-ion cells in series. It includes a buck or external boost conductor control, an over-charge protection (OCP) circuit, an adjustable constant current/constant voltage circuit, and an open-drain box switch output to monitor each cell’s charging status.

Working Principle

The AP9101CAK6-CHTRG1 features a Charge State Control algorithm that monitors the charge and discharge status of the battery and controls the charging current within a preset range to maximize the life and safety of the battery. The system-level voltage, current and temperature are monitored to calculate the necessary charging or discharging current or voltage. The AP9101CAK6-CHTRG1 also features a high-efficiency DC-DC buck or an external boost conductor control to manage the charging process.

The AP9101CAK6-CHTRG1 is capable of a charging current up to 1.25A and features an adjustable current limit. The IC is also equipped with adjustable voltage OVP, under-voltage lockout, and output current limit. The open-drain box switch output provides the ability to monitor each cell\'s charging status from a single pin.

Features

The AP9101CAK6-CHTRG1 features a high integration level, and few external components are needed for its efficient operation. It also features high efficiency and a low intrinsic ripple, ensuring high power and stable output. The AP9101CAK6-CHTRG1 also offers an extended temperature range, making it suitable for use in a wide range of environments. Additionally, the IC includes numerous protection features, including over-voltage protection (OVP), over-temperature protection (OTP), over-current protection (OCP), and over-discharge protection (ODP).

The AP9101CAK6-CHTRG1 is a highly cost-effective solution for managing the charging and discharge of a single or multiple Li-ion battery cells, providing the necessary control, efficiency, and safety for modern rechargeable battery-powered devices.

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