AP9101CK6-CATRG1

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Analog Power Inc. (API) PMIC – Battery Management products are designed to reduce the strain on a battery\'s life, thereby extending its service time. The AP9101CK6-CATRG1 is part of the Battery Management product line of API and it has been specifically engineered for reliable and cost-effective battery management in applications that use a wide range of Li-Ion and nicad battery cells.

Application Field

The AP9101CK6-CATRG1 is designed for Li-ion/nicad battery applications and is ideal for applications with many different cells, such as in cellular phones, portable media players, PDAs, and notebook computers. The device is temperature compensated and provides accurate charge level control for ensuring optimal charging conditions for Li-Ion and nicad cells. It provides a 4-cell protection circuit for each cell, for improved safety and reliability. Additionally, the device features a flexible pin assignment system for easier implementation in applications.

Working Principle

The AP9101CK6-CATRG1 operates from a DC supply typically 5V but can also operate from a range of 3V to 8V. The device automatically adjusts the preset operating point for different cells. The device consists of a voltage monitor, charge monitoring, temperature monitoring, and safer cell-balance protection circuit. It is designed to balance the charge of up to four cells in series, providing accurate charge and temperature protection.

The voltage monitor monitors the voltage of up to four cells simultaneously and issues an interruption signal when the charge of any one cell is over-voltage or under-voltage. The charge monitoring circuit monitors the charge current of the cells, and issues an interruption signal when the charge current reaches a specific value (charge current limit). The temperature monitoring circuit monitors the temperature of the cells, and issues an interruption signal when the temperature exceeds a preset value (charge current limit). The cell-balance protection circuit balances the charge in each cell when the difference between two cells is greater than a set value.

The AP9101CK6-CATRG1 is specifically designed for maximizing battery life in applications which require Li-ion or Nicad cells. The device operates at a low quiescent current and can be customized to meet the customer’s functional and efficiency specifications. Additionally, the device can be used with either single-cell or multi-cell applications.

Conclusion

The AP9101CK6-CATRG1 is a Li-ion/nicad battery monitoring and charge management device. It is designed to extend the life of battery cells, providing accurate charge and temperature protection. The device has been specifically implemented for reliable and cost-effective battery management in applications with many different cells. It is designed with a flexible pin assignment system for easier implementation into applications. Additionally, the device offers a low quiescent current and can be used with either single-cell or multi-cell applications.

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