MAX1259CPE

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MAX1259CPE are power management integrated circuits (PMICs) that are suitable for battery management applications. The device features a low dropout voltage regulator (LDO), load switch controller, charger controller, and 1-cell linear charge management system that make it a versatile power management solution for many battery-powered applications.

The MAX1259CPE include a simple, low dropout regulator for generating a regulated output of 3.3V to 5V from a 4.2V Li-Ion battery. The device features a voltage and current foldback, as well as a power-on reset and power-on reset enable. The LDO also includes a programmable output voltage and programmable soft-start.

The MAX1259CPE also includes a low side load switch controller, which is designed to directly drive a MOSFET. The load switch controller provides external voltage level control and current limit protection. Additionally, the load switch controller is capable of automatically switching off the load at the end of discharge and transitioning the system into a low current state.

The charger controller of the MAX1259CPE is designed to manage the charging of a Li-Ion battery. The charger controller is configured to accept charge voltage/current levels from a system generation source as well as an AC adapter. It features an adjustable current limit and over-voltage protection. In addition, it includes protections from over-temperature, reverse current, and negative delta V.

Finally, the MAX1259CPE includes a 1-cell linear charge management system. The charge management system features a power saving shutdown circuit, adjustable charge current limit, adjustable top-off current, charge current regulation amplifier, and temperature sensing for accurate battery pack thermal regulation.

By combining these features into a single PMIC, the MAX1259CPE offers a flexible, integrated solution for battery management applications. It offers a complete system solution with protection against battery over-voltage, over-current, over-temperature and serious battery acid leakage. It also provides high efficiency charging and power control, allowing users to design and implement a battery powered application conveniently and quickly.

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