MAX1926ETC+

Series:	--
Packaging:	Tube
Part Status:	Active
Battery Chemistry:	Lithium-Ion
Number of Cells:	1
Current - Charging:	Constant - Programmable
Programmable Features:	Timer
Fault Protection:	Over Voltage
Charge Current - Max:	--
Battery Pack Voltage:	--
Voltage - Supply (Max):	12V
Interface:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	12-WQFN Exposed Pad
Supplier Device Package:	12-TQFN (4x4)
Base Part Number:	MAX1926

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MAX1926ETC+ Battery Chargers: Application Field and Working Principle

Application Field of MAX1926ETC+The MAX1926ETC+ is suitable for use in a range of products, which demand power management solutions that are both space-saving and cost-effective. These applications include tablets, mobile phones, medical and automotive diagnostics, unmanned aerial vehicles, portable medical devices, and many more. As such, the MAX1926ETC+ is designed to provide an ideal solution for these product types, as it offers a range of functions that can be used in any of these applications. Such functions include the ability to accommodate multiple battery types and chemistries, a full-featured current-limited power supply, and a constant-voltage and -current output.

Working Principle of MAX1926ETC+

The MAX1926ETC+ integrates a variable frequency digital phase-locked loop (DPLL) and other circuitry required for the precision power supply and battery charging systems. It uses a buck-mode topology to achieve the desired output power and charge the battery. The DPLL regulates the power supply by modulating frequency, current-limit, and voltage-limit points with feedback from the battery voltage and charge current values. This constant-power/constant-voltage output is achieved through two separate feedback loops, in which the voltage and current settings of the power supply are locked on to the battery voltage and current.The MAX1926ETC+ is able to operate over a wide input range, while providing great accuracy and fast response. It also supports a variety of system configurations, enabling it to be used in applications with a single-cell Li-ion battery, or multiple-cell Li-ion and LiFePO4 batteries. The integrated current-limiting mechanism further ensures optimal charging performance and safe operation.

Conclusion

The MAX1926ETC+ is an impressive integrated multichemistry battery charger controller with a wide range of applications. It boasts a simple, yet effective working principle, allowing it to accurately and rapidly charge multiple battery types and chemistries. Therefore, this device is the optimal choice for a wide range of products that require compact, efficient, and cost-effective charging solutions.

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