Datasheet

Low-Cost Multichemistry Battery Chargers
DCIN
LDO
MAX1908
MAX8724
MAX8765
MAX8765A
CLSREF
GND
CELLS
DLOV
AC ADAPTER INPUT
8.5V TO 28V
12.6V OUTPUT VOLTAGE
7.5A INPUT
CURRENT LIMIT
DHI
D3
BST
SMART
BATTERY
HOST
ACIN
D2
R6
59kΩ
1%
R7
19.6kΩ
1%
C5
1µF
VCTL
ICTL
REFIN
ACOK
ICHG
IINP
R8
1MΩ
R9
20kΩ
R10
10kΩ
C14
0.1µF
C20
0.1µF
CCV
C11
0.1µF
R5
1kΩ
CCI
CCS
C10
0.01µF
C9
0.01µF
C12
1µF
C1
2 × 10µF
C13
1µF
C15
0.1µF
LX
C16
1µF
LDO
R13
33Ω
CSSP CSSN
OPEN (3 CELLS SELECT)
D1
RS1
0.01Ω
L1
10µH
RS2
0.015Ω
CSIP
CSIN
PGND
DLO
N1b
N1a
BATT
C4
22µF
BATT
+
R19, R20, R21
10kΩ
AVDD/REF
SCL
SDA
TEMP
BATT-
ADC INPUT
ADC INPUT
OUTPUT
DAC OUTPUT
V
CC
SCL
SDA
ADC INPUT
GND
PGND GND
TO EXTERNAL
LOAD
SHDN
0.1µF
0.1µF
Figure 1. µC-Controlled Typical Application Circuit
Typical Application Circuits
Maxim Integrated
15
MAX1908/MAX8724/MAX8765/MAX8765A