MAX1909ETI+T
Analog Devices / Maxim Integrated
The MAX1909ETI+T is a highly integrated multichemistry battery charger IC from Analog Devices. It supports up to 28V input and programmable charge currents.
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2,490 pcs
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2490 pcs | On Request | 1 | On Request | On Request | 23+ | On Request | On Request |
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The MAX8725ETI+ by Analog Devices is a multichemistry battery charger IC designed for applications like notebook computers and hand-held data terminals. It simplifies the design of accurate and efficient battery chargers by using analog inputs to control charge current and voltage.
Key electrical specifications include a maximum input voltage of 28V and a programmable charge current greater than 4A. The charge voltage accuracy is ±0.5% over the 0°C to +85°C temperature range, with input current limiting accuracy of ±3% and charge current accuracy of ±5%. It supports charging of various battery chemistries including Li+, NiCd, NiMH, and Lead Acid, with a maximum battery voltage of 17.65V.
This IC features automatic system power source selection based on AC adapter presence and provides analog monitoring of current drawn from the AC input. It is available in a space-saving 28-pin, 5mm x 5mm thin QFN package, suitable for surface mount applications. The operating temperature range is -40°C to +85°C.
The MAX8725ETI+ is designed for high efficiency, utilizing a buck topology with synchronous rectification. It offers programmable maximum current draw from the AC adapter to prevent overloading. The device provides a digital output indicating AC adapter presence and an analog output for monitoring AC input current.
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| 1+ | $1.29 | $1.29 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum input voltage for the MAX8725ETI+ is 28V.
The MAX8725ETI+ supports a programmable charge current greater than 4A.
The operating temperature range for the MAX8725ETI+ is -40°C to +85°C.
The MAX8725ETI+ is available in a 28-TQFN (5x5mm) package.
The MAX8725ETI+ can charge multi-chemistries including Li+, NiCd, NiMH, and Lead Acid.