How to Select An Appropriate Charger IC?

Li-ion battery charger ICs are devices that regulate battery charging current and voltage. There are many variables to consider when deciding on a battery charger IC, such as the charging profile, input voltage (VIN) range, charging current, power-path management structure, battery cell configurations, and safety features (e.g. watchdog timer and JEITA temperature monitoring). These variables dictate what type of power conversion is required by the charging circuit, and what additional features are required to power the system rails. The answers to these questions also directly drive the charger topology selection. 

The two main types of charger topologies are linear chargers and switching chargers. Generally, linear chargers are small, simple, and cost-effective. This makes linear chargers ideal for portable Internet of Things (IoT) devices (e.g. fitness accessories, smartwatches, and Bluetooth earbuds). 

Switching chargers (which can be further categorized into boost chargers, buck chargers, and buck-boost chargers) are more efficient than linear chargers at medium to high currents, and provide more adaptability across wide input voltage (VIN) ranges. These chargers are ideal for high-density systems such as smartphones, tablets, notebooks, power banks, and speakers.


EDOM Consumer Electronic Solution
Once the designers confirm the ideal charging IC, they also need to consider the safety feature and the circuit design in target applications. EDOM Technology will provide total key solutions and technical support to assist designers in optimizing their product design. 

Consumer Electronic Related Products
Linear Charger
MP26029 is a highly-integrated, single-cell Li-ion/Li-polymer battery charger IC with thermal regulation. It is suitable for Bluetooth and smart handheld devices.  (Learn More)
USB PD Buck-Boost Charger
MP2651 is a buck-boost charger IC designed for battery packs with 1 cell to 4 cells in series. It can support up to 6A configurable charge current. (Learn More)
Silicon Labs
Bluetooth LE SoC
Silicon Labs
EFR32BG22 is ideal for a broad range of Bluetooth LE applications including asset tags, beacons, portable medical, fitness, and Bluetooth mesh low-power nodes. (Learn More)
Wearable Cell
TAM is designed for wearable devices. It has the advantage of ultra-high energy density, long cycle life, and rugged cell architecture. (Learn More)

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