DS273 Просмотр технического описания (PDF) - Maxim Integrated
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DS273 Datasheet PDF : 20 Pages
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Cache-Memory Battery-Backup Management IC
J3
1
VIN
C4
22µF
J4 CGND
1
CGND
J5
1
AUX+
CLED
Y
FLED
R
DLED
G
C5
22µF
R8
4.7kΩ
R7
4.7kΩ
R6
4.7kΩ
CHARGE 18
CHARGE
FAULT 17 FAULT
DONE 16 DONE
VIN 23 VIN
C7
10µF
CGATE 24 CGATE
CHG1 22
21 CHG
CHG2
SNS 25 SNS
26 BATT+
BATT+
ISOLATED GROUND AREA
L2
6.8µH
R9
0.050Ω
J1
1
BATTERY+
C6
47µF
CGND1 20
CGND2 19 CGND
J2
1
BATTERY-
SYSTEM
CONTROL
J6
ENC
1
ENC-RES
SYSTEM CONTROL
AUX 4
AUX U1
DS2731
ENC 15 ENC
THM 28 THM
ENS-RES
ENS 14 ENS
C1
10µF
C
R3
590kΩ
R4
240kΩ
R1
56.2kΩ
R13
2.49kΩ
1
J7
ENS CBIAS 5 CBIAS
LO_BATT 12 LO_BATT
DIV 13 DIV
R5
360kΩ REF 11
REF
MARGIN 1 MARGIN
R2
10.2kΩ STMR 2 STMR
RSET 27 RSET
6 VREG
VREG
LX 8 LX
J9
TEST
1
CIN 7 CIN
SGND 9
AGND CTG
10
3
C
THMI
10kΩ OR 103AT-2
ISOLATED GROUND AREA
L1
2.2µH
J8
1
MEM+
C2
47µF
S
C3
47µF
J10
1
MEM-
Figure 1. Typical Application Diagram
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