The MAX8731AETI+ is an integrated circuit (IC) component designed for power management and battery charging applications. It comes with several key features that make it a popular choice among engineers and designers.
Firstly, the MAX8731AETI+ supports a wide input voltage range of 4.5V to 14V, making it suitable for a broad range of applications. This feature allows the IC to operate efficiently with various power sources, such as batteries or external power supplies.
The IC also incorporates a high-performance, synchronous step-down DC-DC converter. This converter delivers an efficient power conversion with up to 97% efficiency, minimizing power losses and maximizing battery life. The step-down converter provides a fixed output voltage, which can be configured by the user through external resistors.
Additionally, the MAX8731AETI+ supports pulse-frequency modulation (PFM) during low-load conditions, enhancing efficiency during light loads and increasing battery runtime. The PFM mode minimizes switching losses and reduces power consumption, making it ideal for applications that experience varying load conditions.
Another noteworthy feature of the MAX8731AETI+ is its built-in battery charger. The IC supports battery charging with a maximum charging current of up to 2A. It offers programmable charging current and voltage limits, ensuring safe and efficient charging for various types of batteries. The charger incorporates thermal regulation and safety timers, preventing overcharging and overheating of the battery
