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INA186 Datasheet(PDF) 3 Page - Texas Instruments

Part # INA186
Description  INA186 Bidirectional, Low-Power, Zero-Drift, Wide Dynamic Range, Current-Sense Amplifier With Enable
PDF  45 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

INA186 Datasheet(HTML) 3 Page - Texas Instruments

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5 Pin Configuration and Functions
1
REF
6
OUT
2
GND
5
IN±
3
VS
4
IN+
Not to scale
Figure 5-1. DCK Package 6-Pin SC70 Top View
1
2
3
A
B
Not to scale
IN+
VS
OUT
IN±
GND
ENABLE
Figure 5-2. YFD Package 6-Pin DSBGA Top View
1
VS
8
IN±
2
ENABLE
7
IN+
3
REF
6
NC
4
GND
5
OUT
Not to scale
Figure 5-3. DDF Package 8-Pin SOT-23 Top View
Table 5-1. Pin Functions
PIN
TYPE
DESCRIPTION
NAME
DCK
(SC70)
DDF
(SOT-23)
YFD
(DSBGA)
ENABLE
—
2
B3
Digital input
Enable Pin. When this pin is driven to VS, the device is on and functions
as a current sense amplifier. When this pin is driven to GND, the device
is off, the supply current is reduced, and the output is placed in a high-
impedance state. This pin must be driven externally, or connected to VS if
not used. DDF and YFD packages only.
GND
2
4
B2
Analog
Ground
IN–
5
8
B1
Analog input
Current-sense amplifier negative input. For high-side applications,
connect to load side of sense resistor. For low-side applications, connect
to ground side of sense resistor.
IN+
4
7
A1
Analog input
Current-sense amplifier positive input. For high-side applications, connect
to bus voltage side of sense resistor. For low-side applications, connect to
load side of sense resistor.
NC
—
6
—
—
No internal connection. Can be left floating, grounded, or connected to
supply.
OUT
6
5
A3
Analog output
OUT pin. This pin provides an analog voltage output that is the gained up
voltage difference from the IN+ to the IN– pins, and is offset by the voltage
applied to the REF pin.
REF
1
3
—
Analog input
Reference input. Enables bidirectional current sensing with an externally
applied voltage. DCK and DDF packages only. Devices without a REF pin
have the REF node grounded internally.
VS
3
1
A2
Analog
Power supply, 1.7 V to 5.5 V
www.ti.com
INA186
SBOS318B – APRIL 2019 – REVISED JULY 2021
Copyright © 2021 Texas Instruments Incorporated
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3
Product Folder Links: INA186



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