Rainbow Electronics MAX1538 - Manual (Page 21)

MAX1538
Power-Source Selector for
Dual-Battery Systems
______________________________________________________________________________________ 21
BATSUP
2 4
MAX1538
28
27
25
24
23
22
21 18 15
9
10
11
12
13
14
GND
DISA
DISB
BATB
MINV
A
ACDET
AIRDET
ADPIN
ADPPWR
REVBLK
ADPBLK
N.C. CHGA DISBA
T
CHGIN EXTLD N.C.
20 19 17 16
R1
R10
R3
R11
R2
GND
GND
C
BA
TSUP
1 2 3
8 7 6 5
1 3
7 6 5
P8 P5
P6 P7
2
13
4
87
6
5
P3
P2
GND
C
ADAPTER
BA
TTER
Y B
BA
TTER
Y A
CHARGER ADAPTER
SYSTEM
* EXPOSED P
ADDLE
CHGB
8
1 2 3
BA
TSEL
4
RELRN
8
5 6 7
CHRG OUT0 OUT1
OUT2
MINVB
V DD
C1
GND C
BA
TB
GND C
B
ATA
4
BATA
26
Figure 10. MAX1538 Layout Example