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MAX8903B

Maxim Integrated Products
Part Number MAX8903B
Manufacturer Maxim Integrated Products
Description 1-Cell Li+ DC-DC Charger
Published Jul 13, 2010
Detailed Description MAX8903B 19-4502; Rev 1; 11/09 EVAALVUAAILTAIOBNLEKIT 2A, 1-Cell Li+ DC-DC Charger for USB and Adapter Power General ...
Datasheet PDF File MAX8903B PDF File

MAX8903B
MAX8903B

Overview
MAX8903B 19-4502; Rev 1; 11/09 EVAALVUAAILTAIOBNLEKIT 2A, 1-Cell Li+ DC-DC Charger for USB and Adapter Power General Description The MAX8903B is an integrated 1-cell Li+ charger and Smart Power Selector™ with dual (AC adapter and USB) power inputs.
The switch mode charger uses a high switching frequency to eliminate heat and allow for tiny external components.
It can operate with either separate inputs for USB and AC adapter power, or from a single input that accepts both.
All power switches for charging and switching the load between battery and external power are included on-chip.
No external MOSFETs, blocking diodes, or current-sense resistors are required.
The MAX8903B features optimized smart power control to make the best use of limited USB or adapter power.
Battery charge current and SYS output current limit are independently set.
Power not used by the system charges the battery.
Charge current and SYS output current limit can be set up to 2A, while USB input current can be s...


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