Datasheet MAX1909ETI+ - Maxim Даташит ИС, зарядное устройство батареи аккумуляторов, 4 А, TQFN-28 — Даташит
Наименование модели: MAX1909ETI+
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Подробное описание
Производитель: Maxim
Описание: ИС, зарядное устройство батареи аккумуляторов, 4 А, TQFN-28
Скачать Data SheetКраткое содержание документа:
19-2805; Rev 2; 9/04
BLE IT AVAILA LUATION K EVA
Multichemistry Battery Chargers with Automatic System Power Selector
General Description
The MAX1909/MAX8725 highly integrated control ICs simplify construction of accurate and efficient multichemistry battery chargers.
The MAX1909/MAX8725 use analog inputs to control charge current and voltage, and can be programmed by a host microcontroller (µC) or hardwired. High efficiency is achieved through use of buck topology with synchronous rectification. The maximum current drawn from the AC adapter is programmable to avoid overloading the AC adapter when supplying the load and the battery charger simultaneously. The MAX1909/MAX8725 provide a digital output that indicates the presence of an AC adapter, and an analog output that monitors the current drawn from the AC adapter. Based on the presence or absence of the AC adapter, the MAX1909/MAX8725 automatically select the appropriate source for supplying power to the system by controlling two
Спецификации:
- Battery Charge Voltage: 19 В
- Battery IC Case Style: TQFN
- Battery Type: Lead Acid / Li-Ion / NiCd / NiMH
- Charge Current Max: 4 А
- Number of Series Cells: 4
- Входное напряжение: 28 В
- Количество выводов: 28
- RoHS: да
