MAX1644 Datasheet, PDF (25/32 Pages) Maxim Integrated Products – Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting

Advanced Chemistry-Independent, Level 2
Battery Charger with Input Current Limiting
RESET
4.0V
0.25V
0.1V
IMAX
CCMP
IMIN
ZCMP
S
BST
R
Q
10ms
MAX1645
R
Q
CHG
S
Q
1µs
LVC
GMS
GMI
CONTROL
ON
CCS
CCI CCV
GMV
DACV
DACI
CLS
CSSP
CSS
CSSN
BST
DHI
DHI
LX
ADAPTER IN
R1
LDO
CBST
DLO
DLO
L1
CSIP
CSI
R2
CSIN
BATT
COUT
BATTERY
RFC
70k
RFI
20k
Figure 8. DC-to-DC Converter Functional Diagram
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