Rainbow Electronics MAX1870A - Manual (Page 30)

MAX1870A
Step-Up/Step-Down
Li+ Battery Charger
30 ______________________________________________________________________________________
32 31 30 29 28 27 26
9 10 11 12 13 14 15
18
19
20
21
22
23
24
7
6
5
4
3
2
1
MAX1870A
THIN QFN
TOP VIEW
REF
LDO
CLS
GND
CCV
CCI
CCS
8 GND
DCIN CSSP CSSS CSSN VHP DHI VHN
25
DLOV
I.C.
PGND
DBST
I.C.
I.C.
BLKP
CSIP
17 CSIN
SHDN
IINP
16
BA
TT
CELLS
ICTL VCTL ASNS REFIN
Pin Configuration
N P M1 M2
D3 D4
RS1a
RS1b
C8
C9
RS2
IN
BATT
PGND
LOAD
L1
Figure 14. Recommended Layout for the MAX1870A
Chip Information
TRANSISTOR COUNT: 6484
PROCESS: BiCMOS