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Single-Cell Charging Expertise:
Li-Polymer Charging IC for Innovative Single-Cell Concepts

The manufacturer SG MICRO has developed the SGM4056 charging IC especially for compact, battery-operated devices with Li-ion or Li-polymer batteries. This type can be found in many devices such as data loggers or measuring devices in the form of single-cell Li batteries.
The SGM4056 ensures that these batteries can be charged safely, efficiently and for a long time.
The use of this charging IC offers you the following three key advantages:
- Space-saving and low-cost:
The SGM4056 requires only a few additional components to function - namely a capacitor and two resistors. This saves space on the circuit board, which is particularly important for compact devices, and reduces the overall costs. - Safety with overvoltage protection:
The built-in overvoltage protection prevents damage to the battery if the input voltage is too high. If the voltage exceeds a certain level, the charger will automatically stop charging. This increases safety and protects the unit from overheating and possible damage. - User-friendly status display:
The IC provides an easy way to monitor the charging status and power supply of the device. LEDs or other indicators can be connected via dedicated outputs to visually indicate to the user whether the battery is charging or whether the unit is connected to a power source.
In summary, the SGM4056 makes charging Li-Ion and Li-Polymer batteries safe, space saving and user friendly.
For further technical information, please refer to our '2-pager'.

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