AP9101CAK6-CETRG1

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Power modules play an important role in modern electronic systems, such as providing a stable power source and monitoring system power status. PMICs (Power Management Integrated Circuits) are designed to manage the power in a system. The AP9101CAK6-CETRG1 is one of the PMIC devices, which specializes in battery management.

The AP9101CAK6-CETRG1 is an automotive-grade, single-cell Li-Ion and Li-Polymer battery charger IC with an integrated monitor circuit, power switch and leakage detector in a very small 6-pin chip. It is made of the most advanced complementary metal–oxide–semiconductor (CMOS) process technology and is suitable for automotive use and industrial applications. The AP9101CAK6-CETRG1 is designed to simplify the power supply design, improve the reliability and reduce the charge time in portable devices and automotive applications.

The AP9101CAK6-CETRG1 is rated as RDS(on) = 0.7mΩ@5.5V and can provide up to 3A current at the output node of the IC. The IC is configured with a single USB-OTG port and offers over-current, over-voltage, under-voltage and thermal protection. It comes with a one-wire serial interface (I2C), which can be used to control the charging of the battery. The IC also has a built-in package thermistor, which is used to monitor the temperature during charging.

The AP9101CAK6-CETRG1 also has a low quiescent current of only 45μA and can operate with a supply voltage from 2.5V to 5.5V. The IC has a wide operating temperature range from -40°C to +125°C and is RoHS compliant. The IC supports pre-charge and charge parameters that can be set via the I2C interface, including the charge current, termination voltage, pre-charge voltage, charge time and fault voltages. The IC also has an adjustable time-out for the charge cycle to allow for both short and extended time-out charge cycles.

The working principle of the AP9101CAK6-CETRG1 is simple. When a battery is connected to the main power supply, the AP9101CAK6-CETRG1 senses the voltage on the bus and initiates the charging process. During this step, the IC automatically sets the appropriate voltage and current thresholds for the battery. Once the battery is charged, the IC will shut off the power and will remain in a standby state until the next charging cycle. The IC also monitors the battery temperature during charging and will shut off the power if it exceeds a certain temperature threshold.

The AP9101CAK6-CETRG1 is an ideal choice for automotive and industrial battery management applications. The tiny IC provides all of the necessary features and safety protections, making it the perfect choice for portable devices and automotive systems. With its wide range of features, the AP9101CAK6-CETRG1 can be used for most any battery management application.

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