Datasheet

LTC6102
LTC6102-1/LTC6102HV
21
6102fe
For more information www.linear.com/LTC6102
Bidirectional Current Sense Circuit with Separate Charge/Discharge Output
LTC6102 Monitors Its Own Supply Current
Typical applicaTions
CHARGER
–
+
–
+
+
–
+
–
L
O
A
D
V
OUT D
= I
DISCHARGE
• R
SENSE
( )
WHEN I
DISCHARGE
≥ 0DISCHARGING:
R
OUT D
R
IN D
V
OUT C
= I
CHARGE
• R
SENSE
( )
WHEN I
CHARGE
≥ 0CHARGING:
R
OUT C
R
IN C
6102 TA02
V
BATT
R
IN D
100Ω
LTC6102
R
IN C
100Ω
R
IN D
100Ω
LTC6102
V
OUT C
R
OUT C
4.99k
R
OUT D
4.99k
V
OUT D
R
IN C
100Ω
I
CHARGE
R
SENSE
I
DISCHARGE
V
+
V
–
OUT
–INS+IN
V
+
V
–
OUT
–INS +IN
–INF –INF
V
REG
0.1µF
V
REG
0.1µF
L
O
A
D
–
+
6102 TA03
R2
4.99k
V
OUT
R1
100
V
BATT
R
SENSE
LTC6102
+
–
V
OUT
= 49.9 • R
SENSE
(I
LOAD
+ I
SUPPLY
)
I
LOAD
I
SUPPLY
V
+
V
–
OUT
–INS+IN
–INF
V
REG
0.1µF