AP9101CK-AFTRG1

Function:	Battery Protection
Battery Chemistry:	Lithium-Ion/Polymer
Number of Cells:	1
Fault Protection:	Over Current, Over Voltage
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-25
Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--

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Introduction

The AP9101CK-AFTRG1 is a single-chip power management integrated circuit (PMIC) specifically designed for power management in battery-powered applications. It is an ideal solution for a wide range of mobile and embedded products connected to or powered by primary or secondary lithium batteries or NiMH packs. It supports up to 4.2V input voltage with a maximum output current of 2.5A, making it ideal for high-power applications.

Application Field

The AP9101CK-AFTRG1 can be used in a wide range of applications, including mobile phones, PDAs, digital still cameras, video cameras, digital video recorders, portable navigation devices, and other consumer electronics powered by primary or secondary lithium batteries, or NiMH packs. It can also be used for portable medical devices, such as digital thermometers, blood glucose meters, and blood pressure monitors. Finally, it can be used for industrial applications such as handheld measuring and monitoring devices, medical and surgical systems, environmental control systems, and other battery-powered industrial systems.

Working Principle

The AP9101CK-AFTRG1 is an all-in-one, integrated PMIC that supports a wide range of power management functions. It includes advanced protection features for both battery and system, such as input overvoltage protection, over-current protection, battery over-discharge protection, and thermal-shutdown protection. It also offers flexible charging and discharging, short circuit protection and thermal management.At the core, the chip adopts a buck-boost converter topology and can efficiently switch between boost and buck modes. In boost mode, the chip uses excess input voltage above the output voltage to drive a high-current load. In buck mode, the DC input voltage is down-converted to power low-voltage and low-current loads. The AP9101CK-AFTRG1 also offers integrated charging management solutions including fast charge and charge termination. It has a full-functioned buck-boost controller that allows for both synchronous and asynchronous switching. It can also be used to support pulse-width modulation (PWM) and pulse-frequency modulation (PWM) for both standby and active states.Finally, the chip includes a wide range of protection features such as soft-start, overcurrent protection, under-voltage lockout, over-temperature protection, and overcharge protection. In addition, it has a two-stage power saving mode which allows for energy saving without sacrificing performance.In conclusion, the AP9101CK-AFTRG1 is an integrated power management integrated circuit designed especially for battery-powered applications. It supports up to 4.2V input voltage and a maximum output current of 2.5A, making it suitable for high-power applications. It also has a wide range of protection features, flexible charging and discharging capabilities, and an advanced power management controller. The AP9101CK-AFTRG1 is an ideal solution for a wide range of consumer, medical, and industrial applications.

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