ISL95538BHRTZ-TK

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ISL95538BHRTZ-TK is an integrated high-efficiency synchronous boost regulator and buck converter PMIC, which is used in a variety of applications that require high efficiency, good thermal performance, and wide input voltage. This PMIC, which combines a high side N-channel MOSFET and a low side N-channel MOSFET, is ideally suited for battery charger solutions. It is ideal for use in small form factor systems in laptops, tablets, and other low-power, portable devices.

The ISL95538BHRTZ-TK can be used as a buck-boost regulator that can reach efficiencies of up to 91%. The all-in-one PMIC combines a buck controller, boost controller, and a buck-boost controller in a single package. It operates in both step-up and step-down modes allowing it to take inputs from both high and low voltage sources. The ISL95538BHRTZ-TK buck-boost regulator supports two-stage charging with both constant voltage and constant current modes.

The ISL95538BHRTZ-TK operates in active, passive, and boost-only modes, making it suitable for applications that require varying power levels and conserving power when possible by dynamically adjusting to the required load. It can also detect battery voltage and disable the battery charging as well as operating temperature. The PMIC also includes an adjustable output current limit and charge current (CC) setting, allowing it to be tailored to the specific application.

The ISL95538BHRTZ-TK uses synchronous rectification and Phase-Shifted Full-Bridge (PSFB) functions to achieve high efficiency. The operating frequency and phase shift can be adjusted to optimize efficiency for a given application and required ripple voltage. The PMIC also features precise current limit, over-temperature, and under-voltage lockout protection. It ensures that the maximum output voltage and current limits are met and that the system operates safely.

The ISL95538BHRTZ-TK PMIC is suitable for use in a wide range of battery charging applications. It can be used to provide a reliable charge current to low- to medium-capacity battery packs, such as those found in portable devices, in an efficient and cost-effective manner. With its adjustable operating frequency and output current limits, the PMIC can be optimized for short term, low-power applications, or for more demanding, high-power applications that require longer charge cycles.

The ISL95538BHRTZ-TK is a versatile and efficient PMIC for use in battery charging applications. With its adjustable output current limit and adjustable operating frequency, it is ideal for applications that demand high efficiency and good thermal performance, while also offering the ability to tailor the operating frequency and output current to the application\'s needs. Its ability to detect battery voltage and disable charging, as well as providing automatic over-temperature and under-voltage lockout protection, further add to its robustness and dependability, making it a reliable choice for any battery charging application.

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