Part Number
|
MAX1555 |
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
|
MAX1555
|
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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