ISL94212INZ-T

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The ISL94212INZ-T is a integrated power management integrated circuit (PMIC) with a wide range of applications and unique advantages. It is a highly integrated device that combines a linear power regulator, charge pump, and battery charger into one package. This integrated battery management PMIC is ideal for low power or ultra-low power portable electronic applications and power management solutions in the mobile, automotive, and industrial markets.

The ISL94212INZ-T contains a one-cell li-ion/li-polymer battery charger with separate active cell balancing for up to 8 cells, a linear regulator for 1.5 A of output current, two charge pumps for LED driving, a low dropout regulator for 1.2V output voltage, and a Supercap charger with 1.2A current capability. There is also an enhanced charging algorithm for versatile energy storage solutions such as a supercapacitor, LiFePO4 battery, and other Li-Ion chemistry battery. A full set of safety features are implemented to ensure safe system operation under various fault conditions. All these features make the ISL94212INZ-T an ideal device for monitoring and controlling the power management system.

ISL94212INZ-T integrates advanced battery charging technology. Its Target Accurate Charge Algorithm (TACA) allows the effective charging current to be accurately determined using the computed target voltage of the Li-ion/Li-polymer battery. The charger provides high-efficiency charging with minimal power dissipation. Besides, the charger can be programmed with charge current cutting-off to protect the battery from overcharge or over-temperature. In addition, ISL94212INZ-T also integrates a charge circuit for the Supercapacitor, providing a higher-available energy storage solution and improved system reliability.

The ISL94212INZ-T also features a current-mode DC/DC regulator for a variety of applications, such as battery power management. It offers high efficiency, fast transient response and line regulation, and low noise operation due to the current-mode control. There are multiple loop control modes, allowing the user to determine the optimum charge current to reduce the power dissipation and prolong the battery life. The linear regulator provides excellent load and line regulation and a low dropout voltage to ensure optimal system performance.

The ISL94212INZ-T also features two charge pumps for LED driving applications. The charge pumps consist of two-step topology, with first and second stages combined in one IC to reduce the external component count for cost savings. It offers programmable output voltage, current limitation, and adaptive boost current for the best performance. The charge pump also features power-good indicator for the system to detect periodic failure in the charge pumps.

The ISL94212INZ-T also provides a quality low dropout regulator, capable of providing stable and accurate output voltage during input line and load transient. It has a wide input voltage range of 2.7V to 5.5V. The output voltage can be set to 1.2V with 5% accuracy and the output current can be up to 1.2A. The low dropout regulator provides excellent protection against reverse voltage stress and reverse current.

The ISL94212INZ-T is an ideal device for a wide range of power management applications, providing the best performance, flexibility, and reliability. It can be used in portable devices, automotive, and industrial applications. Its integrated features, such as a linear regulator, charge pump, battery charger, and low dropout voltage regulator, provide an efficient and reliable power management system. Its small form factor, low power consumption, and high performance make it an ideal choice for power management applications.

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