LTC6103 Linear Integrated Systems, LTC6103 Datasheet - Page 14

• Manufacturer Part Number: LTC6103
• Description: High Side Current Sense Amplifier
• Manufacturer: Linear Integrated Systems

TYPICAL APPLICATIONS
OFF ON
LTC6103
14
4V < V
FAULT
1µF
BATT
±10A Differential Output Bidirectional Current Monitor
V
LOGIC
V
< 60V
BATT
47k
Intelligent High Side Switch with Current Monitor
3
4
2
LTC6103
+
V
SA
+ –
8
LT1910
+INA
1
OUTA
5
7
1
–INA
4.99k
10µF
200Ω
10mΩ
63V
8
6
4
V
–
6
2
LOAD
200Ω
OUTB
14V
–INB
4.99k
6103 TA02
–
R
6103 TA06
100Ω
S
1%
SUB85N06-5
+
–
www.DataSheet4U.com
+
5
V
I
+INB
DIFFERENTIAL OUTPUT*
±2.5V FS (+ IS CHARGE CURRENT)
L
SB
*
–IN
+IN
+OUTPUT MAY BE TAKEN SINGLE ENDED
–OUTPUT MAY BE TAKEN SINGLE ENDED
V
FOR R
V
AS CHARGE CURRENT MONITOR
AS DISCHARGE CURRENT MONITOR
OUTPUT SWING MAY BE LIMITED FOR
V
LOAD
O
O
BATT
= 49.9 • R
= 2.5V AT I
LTC6103
S
BELOW 6V
= 5mΩ,
1/2
V
–
S
L
CHARGER
• I
= 10A (FULL SCALE)
L
OUT
4.99k
V
O
V
V
BATT
S
R
5A Absolute Value Bidirectional Current Monitor
LTC6103
IN
+
48V Supply Current Monitor with Isolated Output
V
N = OPTOISOLATOR CURRENT GAIN
V
SA
OUT
+ –
8
+INA
–IN
V
= V
OUTA
–
V
LOGIC –
–
OUT
7
1
–INA
+
4.99k
6103 TA03
200Ω
–
20mΩ
R
V
I
SENSE
and 70V Survivability
SENSE
SENSE
4
V
V
LOGIC
+
–
LTC6103
•
R
–
6
2
6103 TA07
R
V
OUT
1/2
200Ω
OUTB
–INB
SENSE
+
ANY OPTOISOLATOR
R
+IN
IN
–
V
OUT
V
2.5V FS
OUT
• N • R
+
5
V
+INB
SB
I
SENSE
OUT
LOAD
LOAD
CHARGER
6103f