MAXIM MAX1909 handbook

Update: 29 September, 2023

The MAX1909 evaluation kit is an accurate and efficient multichemistry battery charger. It can charge three or four series Li+ cells with a current up to 3A. Charge current and input-source current are adjustable using on-board potentiometers. The output voltage is set to 4.2V ✕ the number of series cells in the battery pack. The number of series cells is jumper-selectable. The output voltage is adjustable between 4V to 4.4V (✕ number of series cells) by installing two resistors. The EV kit provides outputs to monitor the AC adapter current and the presence of an AC adapter. The MAX1909 automatically selects the power path for supplying power to the system by controlling two external P-channel MOSFETs. This decision is made based on the presence of an AC adapter.

Brand: MAXIM

File format: PDF

Size: 257 KB

MD5 Checksum: 823EC5FCDE7B64DB3A3FBB3C7A30E783

Publication date: 04 July, 2012

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PDF Link: MAXIM MAX1909 handbook PDF

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