Datasheet MAX1874ETE+ - Maxim Даташит ИС, BATT зарядное устройство, LI-ION, 16TQFN — Даташит
Наименование модели: MAX1874ETE+
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Подробное описание
Производитель: Maxim
Описание: ИС, BATT зарядное устройство, LI-ION, 16TQFN
Скачать Data SheetКраткое содержание документа:
19-2912; Rev 1; 2/07
Dual-Input, USB/AC Adapter, 1-Cell Li+ Charger with OVP and Thermal Regulation
General Description
The MAX1874 charges a single-cell Li+ battery from both USB and AC adapter sources.
It also includes battery-to-input power switchover, so the system can be powered directly from the power source rather than from the battery. In its simplest application, the MAX1874 needs no external MOSFET or diodes, and accepts input voltages up to 6.5V; however, DC input overvoltage protection up to 18V can be added with a single SOT PFET. On-chip thermal limiting simplifies printed circuit board (PCB) layout and allows optimum charging rate without the thermal limits imposed by worst-case battery and input voltage. When the MAX1874 thermal limit is reached, the charger does not shut down but simply reduces charging current. Ambient or battery temperature can be monitored with an external thermistor. When the temperature is out of range, charging pauses. Other features include a C
Спецификации:
- Battery Type: Li-Ion / Li-Polymer
- Входное напряжение: 18 В
- Battery Charge Voltage: 4.2 В
- Charge Current Max: 1 А
- Battery IC Case Style: TQFN
- Количество выводов: 16
- Number of Series Cells: 1
- Рабочий диапазон температрур: -40°C ... +85°C
- SVHC: No SVHC (18-Jun-2010)
- Тип корпуса: TQFN
- Семейство: 1874
- Battery Management Function: Charger, Protector
- Входное напряжение максимальное: 18 В
- Способ монтажа: SMD
- Диапазон напряжения питания: 4.35 В ... 6 В
RoHS: есть
