User Manual

MAX1908/MAX8724
Low-Cost Multichemistry Battery Chargers
18 ______________________________________________________________________________________
IMAX
RESET
1.8V
0.15V
0.1V
5ms
LVC
CONTROL
CELLS
SETV
SETI
CCVCCICCS
GMS
GMI
GMV
CLS
DLO
DHI
CSI
X20
t
OFF
GENERATOR
BST
S
RQ
CCMP
ZCMP
IMIN
CHG
RQ
S
CSS
X20
CSSP
AC ADAPTER
CSSN
BST
DHI
LX
RS1
LDO
D3
N1a
N1b
C
BST
L1
RS2
DLO
CSIP
CSIN
C
OUT
BATT
BATTERY
MAX1908
MAX8724
Q
CELL
SELECT
LOGIC
Figure 4. DC-DC Functional Diagram
DC-DC Functional Diagram