MAX1507 Maxim Integrated Products, MAX1507 Datasheet - Page 10

• Manufacturer Part Number: MAX1507
• Description: Linear Li Battery Charger
• Manufacturer: Maxim Integrated Products

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Connect a 1µF ceramic input capacitor as close to the
device as possible. Provide a large copper GND plane
to allow the exposed paddle to sink heat away from the
device. Connect the battery to BATT as close to the
device as possible to provide accurate battery voltage
sensing. Make all high-current traces short and wide to
minimize voltage drops. For an example layout, refer to
the MAX1507/MAX1508 evaluation kit layout.
Linear Li+ Battery Charger with Integrated Pass FET
and Thermal Regulation in 3mm x 3mm Thin DFN
Figure 4. USB Battery Charger
10
______________________________________________________________________________________
USB PORT
VBUS
GND
D+
D-
Layout and Bypassing
15.4kΩ
1µF
4.3kΩ
IN
CHG
ISET
TEMP
MAX1507
N
BATT
GND
EN
VL
0.47µF
TRANSISTOR COUNT: 1812
PROCESS: BiCMOS
HIGH: 435mA, LOW: 95mA
1µF
ROHM
DTC114EM
4.2V Li+
VI/O
VI/O
Chip Information
SYSTEM
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