MAX17108ETI+

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Power Management Integrated Circuit (PMIC) devices play an important role in powering various electronic products. These integrated circuits are designed to provide regulated power with low noise and ripple. One of the most popular PMIC ICs is the MAX17108ETI+ from Maxim Integrated. This device offers excellent performance and robust battery management.

The MAX17108ETI+ is a specialized PMIC, designed for fast and accurate charging of Li+ battery cells. The device comes in a 3mm x 3mm QFN package, making it suitable for space constrained applications such as a mobile device. It is also capable of supporting up to 28 batteries in series, making it a great option for powering larger high capacity battery packs. The MAX17108ETI+ includes a product suite of cell monitors and charge and discharge controllers.

The device includes a unique battery sensor interface which allows the device to monitor and manage the charging status of each battery cell. It supports multiple cell configurations including 1-21 batteries in series and series-parallel combinations. It can also be configured for hot swapping, allowing battery cells to be added or removed without interruption of current operation.

In terms of charging capabilities, the device supports both constant current (CC) and constant voltage (CV) charging. It also supports limited current limiting in series configuration. This allows for fast charging in high capacity applications and prevents overcharging. The device also features a special Constant Voltage/Constant Current (CV/CC) hybrid operation when configured for multi-cell applications, which ensures that all cells receive an equal charge.

The MAX17108ETI+ also includes other important features such as programmable charge current, charge termination, idle current, battery temperature protection, and low noise operation. It also supports advanced fault detection including overvoltage (OVP), undervoltage (UVP), overcurrent (OCP), short circuit (SCP), and cell balancing.

The device is highly programmable via an I2C control interface, allowing user defined current and voltage limits. The device also supports an optional fuses for point-of-sale battery safety. The MAX17108ETI+ also supports diagnostics with integrated cell voltage and temperature monitors, along with other logic signaling.

In conclusion, the MAX17108ETI+ is a great option for applications that require fast, accurate battery charging. This versatile device provides excellent protection against overcharging, undercharging, short circuiting, and current limiting. Moreover, its programmability and low noise operation make it suitable for a wide range of applications.

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