Datasheet

Low-Cost Multichemistry Battery Chargers
MAX1908
MAX8724
MAX8765
MAX8765A
LOGIC
BLOCK
GMS
SHDN
GND
CLS
CCS
CSSP
CSSN
CSIP
CSIN
ICTL
CCI
BATT
CELLS
CCV
VCTL
23.5%
REFIN
GND
DCIN
SRDY
5.4V
LINEAR
REGULATOR
1/55
ICTL
MAX1908/MAX8724 ONLY
REF/2
RDY
4V
CELL
SELECT
LOGIC
4.096V
REFERENCE
LVC
REFIN
CSI
BAT_UV
3.1V/CELL
R1
LVC
DCIN
LDO
REF
REFIN
ACIN
ACOK
IINP
ICHG
BST
DHI
LX
DLOV
DLO
PGND
MAX1908 ONLY
x
75mV
REF
LEVEL
SHIFTER
x
75mV
REFIN
x
400mV
REFIN
DC-DC
CONVERTER
GMI
GMV
GM
LEVEL
SHIFTER
N
GM
LEVEL
SHIFTER
DRIVER
DRIVER
Figure 3. Functional Diagram
Functional Diagram
Maxim Integrated
17
MAX1908/MAX8724/MAX8765/MAX8765A