Datasheet

MAX1667
Chemistry-Independent,
Level 2 Smart Battery Charger
______________________________________________________________________________________ 15
Figure 7. Typical Application Circuit
AGND
D2
C9
R5
R6
C6
M1
M2
D1
D4*
D3
DC SOURCE
C1
L1
D5
R1
C7
C11
REF
R3
C4
C10
THM
CCI
IOUT
C5
(NOTE 2)
10
1
2
6
3
20
18
19
17
16
7
8
13
14
11
9
12
5
4
15
= HIGH-CURRENT TRACES (8A MAX)
NOTE 1: C6, M2, D1, AND C1 GROUNDS MUST CONNECT TO
THE SAME RECTANGULAR PAD ON THE LAYOUT.
NOTE 2: C5 AND C11 MUST BE PLACED WITHIN 0.5cm OF THE
MAX1667, WITH TRACES NO LONGER THAN 1cm
CONNECTING VL AND PGND.
*OPTIONAL (SEE NEGATIVE INPUT VOLTAGE PROTECTION SECTION).
SEE TABLES 2a AND 2b FOR COMPONENT SELECTION AND MANUFACTURERS.
C8
C2
R2
C3
R4
DCIN
MAX1667
SEL
VL
BST
CCV
DACV
LX
DLO
PGND
CS
DHI
(NOTE 1)
SMART BATTERY
STANDARD CONNECTOR
-TD C+
BATT
SCL
SDA
INT
HOST & LOAD
SMBCLOCK
V+
SMBDATA
KINT-
GND
7.5V–28V