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MAX1551

MAXIM
Part Number MAX1551
Manufacturer MAXIM
Description SOT23 Dual-Input USB/AC Adapter 1-Cell Li+ Battery Chargers
Published May 5, 2014
Detailed Description MAX1551/MAX1555 SOT23 Dual-Input USB/AC Adapter 1-Cell Li+ Battery Chargers AVAILAB LE General Description The MAX1551/...
Datasheet PDF File MAX1551 PDF File

MAX1551
MAX1551

Overview
MAX1551/MAX1555 SOT23 Dual-Input USB/AC Adapter 1-Cell Li+ Battery Chargers AVAILAB LE General Description The MAX1551/MAX1555 charge a single-cell lithium-ion (Li+) battery from both USB and AC adapter sources.
They operate with no external FETs or diodes, and accept operating input voltages up to 7V.
On-chip thermal limiting simplifies PC board layout and allows optimum charging rate without the thermal limits imposed by worst-case battery and input voltage.
When the MAX1551/MAX1555 thermal limits are reached, the chargers do not shut down, but progressively reduce charging current.
The MAX1551 includes a POK output to indicate when input power is present.
If either charging source is act...


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