ISL6256HRZ

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The ISL6256HRZ is a power management integrated circuit (PMIC) designed for use in lithium-ion battery charging applications. This single-package device contains four integrated synchronous buck regulators, an integrated analog-to-digital converter, a linear charging regulator, a programmable output voltage setting, and an optional I²C/SMBus/PMBus interface. It also includes over-temperature protection and advanced power path features that provide the system designer with a wide range of functionality. These features make the ISL6256HRZ ideal for use in portable products that require efficient power management.

The ISL6256HRZ is a low power PMIC that integrates four independent synchronous DC-DC buck (step-down) regulators. The main output of the ISL6256HRZ is adjustable from 0.9V to 5.5V with a programmable output voltage setting of 0.125V per step. The four buck converters operate from an input voltage range of 3.0V to 5.5V, allowing them to be used in a variety of applications that require multiple supplies from one input voltage.

The ISL6256HRZ also provides a linear charging regulator for charging single cell Li-Ion batteries. The charging regulator has a programmable input current limit up to 2A and is capable of providing up to 5.5V of output voltage to the battery. It also includes an integrated thermistor monitor with an analog-to-digital converter (ADC) to monitor the temperature of the battery and adjust the charge currents and termination voltage as needed to ensure safe operation.

In addition, the ISL6256HRZ provides an optional I²C/SMBus/PMBus interface. This allows the system designer to monitor the current, voltage, and temperature of each regulation phase, as well as to program the output voltage setting of each buck converter and the battery charger. This allows the designer to optimize the performance of the system depending on the needs of the application.

The ISL6256HRZ can be used in a variety of applications where multiple power supplies and lithium-ion battery charging are needed. It is ideal for use in portable devices such as tablets, smartphones, laptops, industrial, and consumer electronics applications. It is also a great choice for wearables and other low profile, low power applications.

The ISL6256HRZ provides a simple and cost-effective solution for providing multiple power supplies and a linear charging regulator for lithium-ion batteries in a single package. With its advanced power path features, over-temperature protection, and adjustable output voltage settings, the ISL6256HRZ is a great choice for today’s power management applications.

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