Datasheet LT1505CG - Linear Technology Даташит ИС, BATT зарядное устройство, LI ON, 28SSOP — Даташит
Наименование модели: LT1505CG
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Подробное описание
Производитель: Linear Technology
Описание: ИС, BATT зарядное устройство, LI ON, 28SSOP
Краткое содержание документа:
FEATURES
s s s s
LT1505 Constant-Current/Voltage High Efficiency Battery Charger DESCRIPTIO
The LT®1505 PWM battery charger controller fast charges multiple battery chemistries including lithium-ion (Li-Ion), nickel-metal-hydride (NiMH) and nickel-cadmium (NiCd) using constant-current or constant-voltage control.
Maximum current can be easily programmed by resistors or a DAC. The constant-voltage output can be selected for 3 or 4 series Li-Ion cells with 0.5% accuracy. A third control loop limits the current drawn from the AC adapter during charging*. This allows simultaneous operation of the equipment and fast battery charging without overloading the AC adapter. The LT1505 can charge batteries ranging from 2.5V to 20V with dropout voltage as low as 0.5V. Synchronous N-channel FETs switching at 200kHz give high efficiency and allow small inductor size. A diode is not required in series with the battery because the charger automatically enters a 10µA sleep mode when the wall adapter is
Спецификации:
- Battery Type: Li-Ion / NiCd / NiMH
- Входное напряжение: 24 В
- Battery Charge Voltage: 20 В
- Charge Current Max: 4 А
- Battery IC Case Style: SSOP
- Количество выводов: 28
- Number of Series Cells: 4
- Рабочий диапазон температрур: 0°C ... +70°C
- SVHC: No SVHC (15-Dec-2010)
- Тип корпуса: SSOP
- Семейство: 1505
- Battery Management Function: Charger
- Control Interface: SPI
- Входное напряжение максимальное: 24 В
- Выходное напряжение максимальное: 20 В
- Способ монтажа: SMD
- Диапазон напряжения питания: 0 В ... 24 В
RoHS: есть
Дополнительные аксессуары:
- Roth Elektronik - RE931-05