MAX1870AETJ+ Maxim Integrated Products, MAX1870AETJ+ Datasheet - Page 14

• Manufacturer Part Number: MAX1870AETJ+
• Description: Battery Management Li+ Step Up/Step Down Battery Charger
• Manufacturer: Maxim Integrated Products

Specifications of MAX1870AETJ+

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Step-Up/Step-Down
Li+ Battery Charger
Figure 1. µC-Controlled Typical Application Circuit
14
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0.01μF
10kΩ
C2
HI-IMPEDANCE
LOGIC OUTPUT
R5
DIGITAL INPUT
D/A OUTPUT
D/A OUTPUT
HOST
GND
A/D INPUT
OUTPUT
ADAPTER
VDD
0.01μF
AC
1μF
C1
C3
10kΩ
+
-
R7
1μF
0.01μF
ADAPTER PROTECTION
C5
OPTIONAL REVERSE-
D1
C4
R3
R4
C6
0.01μF
32
10
11
12
13
15
14
2
3
5
6
7
9
D2
DCIN
REF
CLS
CCV
CCI
CCS
REFIN
ASNS
VCTL
ICTL
CELLS
SHDN
IINP
30
GND
CSSS
4
MAX1870A
PGND
28
VHP
23
CSSP
CSSN
DLOV
DBST
BLKP
CSIN
BATT
CSIP
VHN
LDO
DHI
26
31
29
27
22
18
17
16
19
25
1
C7
1μF
2.2μF
2.2μF
C11
1μF
33Ω
R6
M1
D4
P
RS1b
30mΩ
C12
1μF
30mΩ
RS1a
10μH
L1
M2
SYSTEM LOAD
N
C8
22μF
D3
RS2
30mΩ
C9
44μF