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ISL9214/ISL9214A pdf datasheet
消耗积分:3 |
格式:rar |
大小:433 |
2009-01-19
李明
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Li-ion/Li-Polymer Battery Charger Accepting Two Power Sources
The ISL9214A is a fully integrated low-cost single-cell Li-ion
or Li-polymer battery charger. The charger accepts two
power inputs, normally one from a USB (Universal Serial
Bus) port and the other from a desktop cradle. The
ISL9214A is an ideal charger for smart handheld devices
that need to communicate with a personal computer via
USB.
The ISL9214A features 28V maximum voltages for both the
cradle and the USB inputs. Due to the 28V rated inputs,
low-cost, large output tolerance adapters can be used safely.
When both inputs are powered, the cradle input is used to
charge the battery. The charge current is programmable for
the cradle input with a small resistor. The end-of-charge
current is also programmable by another external resistor.
The ISL9214A is a fully integrated low-cost single-cell Li-ion
or Li-polymer battery charger. The charger accepts two
power inputs, normally one from a USB (Universal Serial
Bus) port and the other from a desktop cradle. The
ISL9214A is an ideal charger for smart handheld devices
that need to communicate with a personal computer via
USB.
The ISL9214A features 28V maximum voltages for both the
cradle and the USB inputs. Due to the 28V rated inputs,
low-cost, large output tolerance adapters can be used safely.
When both inputs are powered, the cradle input is used to
charge the battery. The charge current is programmable for
the cradle input with a small resistor. The end-of-charge
current is also programmable by another external resistor.
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