MAX1667 Datasheet, PDF (15/28 Pages) Maxim Integrated Products – Chemistry-Independent, Level 2 Smart Battery Charger

Chemistry-Independent,
Level 2 Smart Battery Charger
C4
R3 _C10
R4
10
AGND
9
REF
IOUT ¹
DCIN ²
SEL ⁶
VL ³
12 _{THM MAX1667}
C5
(NOTE 2)
5
CCI
C3
20
BST
18
DHI
LX ¹⁹
4
CCV
R2
C2
DLO ¹⁷
16
PGND
CS ⁷
15
DACV
C8
BATT ⁸
SCL ¹³
SDA ¹⁴
11
INT
R5
D2
C11
C7
C9
R6
C6
M1
M2
D1 L1
(NOTE 1)
C1
R1
D3
D4*
DC SOURCE
7.5V–28V
D5
= 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.
HOST & LOAD
*OPTIONAL (SEE NEGATIVE INPUT VOLTAGE PROTECTION SECTION).
SEE TABLES 2a AND 2b FOR COMPONENT SELECTION AND MANUFACTURERS.
-T D
C+
SMART BATTERY
STANDARD CONNECTOR
Figure 7. Typical Application Circuit
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