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INA3221 Datasheet(PDF) 25 Page - Texas Instruments

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Part # INA3221
Description  Triple-Channel, High-Side Measurement, Shunt and Bus Voltage Monitor with I2C- and SMBUS-Compatible Interface
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

INA3221 Datasheet(HTML) 25 Page - Texas Instruments

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INA3221
www.ti.com
SBOS576B – MAY 2012 – REVISED MARCH 2016
25
Product Folder Links: INA3221
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Copyright © 2012–2016, Texas Instruments Incorporated
8.6.2 Register Descriptions
All 16-bit INA3221 registers are two 8-bit bytes via the I2C interface. Table 4 shows a register map for the INA3221.
Table 4. Register Map
REGISTER
ADDRESS
(Hex)
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Configuration
00
RST
CH1en
CH2en
CH3en
AVG2
AVG1
AVG0
VBUSCT2 VBUSCT1 VBUSCT0
VSHCT2
VSHCT1
VSHCT0
MODE3
MODE2
MODE1
Channel-1 Shunt Voltage
01
SIGN
SD11
SD10
SD9
SD8
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
Channel-1 Bus Voltage
02
SIGN
BD11
BD10
BD9
BD8
BD7
BD6
BD5
BD4
BD3
BD2
BD1
BD0
Channel-2 Shunt Voltage
03
SIGN
SD11
SD10
SD9
SD8
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
Channel-2 Bus Voltage
04
SIGN
BD11
BD10
BD9
BD8
BD7
BD6
BD5
BD4
BD3
BD2
BD1
BD0
Channel-3 Shunt Voltage
05
SIGN
SD11
SD10
SD9
SD8
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
Channel-3 Bus Voltage
06
SIGN
BD11
BD10
BD9
BD8
BD7
BD6
BD5
BD4
BD3
BD2
BD1
BD0
Channel-1 Critical-Alert
Limit
07
C1L12
C1L11
C1L10
C1L9
C1L8
C1L7
C1L6
C1L5
C1L4
C1L3
C1L2
C1L1
C1L0
Channel-1 Warning-Alert
Limit
08
W1L12
W1L11
W1L10
W1L9
W1L8
W1L7
W1L6
W1L5
W1L4
W1L3
W1L2
W1L1
W1L0
Channel-2 Critical-Alert
Limit
09
C2L12
C2L11
C2L10
C2L9
C2L8
C2L7
C2L6
C2L5
C2L4
C2L3
C2L2
C2L1
C2L0
Channel-2 Warning-Alert
Limit
0A
W2L12
W2L11
W2L10
W2L9
W2L8
W2L7
W2L6
W2L5
W2L4
W2L3
W2L2
W2L1
W2L0
Channel-3 Critical-Alert
Limit
0B
C3L12
C3L11
C3L10
C3L9
C3L8
C3L7
C3L6
C3L5
C3L4
C3L3
C3L2
C3L1
C3L0
Channel-3 Warning-Alert
Limit
0C
W3L12
W3L11
W3L10
W3L9
W3L8
W3L7
W3L6
W3L5
W3L4
W3L3
W3L2
W3L1
W3L0
Shunt-Voltage Sum
0D
SIGN
SV13
SV12
SV11
SV10
SV9
SV8
SV7
SV6
SV5
SV4
SV3
SV2
SV1
SV0
Shunt-Voltage Sum Limit
0E
SIGN
SVL13
SVL12
SVL11
SVL10
SVL9
SVL8
SVL7
SVL6
SVL5
SVL4
SVL3
SVL2
SVL1
SVL0
Mask/Enable
0F
SCC1
SCC2
SCC3
WEN
CEN
CF1
CF2
CF3
SF
WF1
WF2
WF3
PVF
TCF
CVRF
Power-Valid Upper Limit
10
PVU12
PVU11
PVU10
PVU9
PVU8
PVU7
PVU6
PVU5
PVU4
PVU3
PVU2
PVU1
PVU0
Power-Valid Lower Limit
11
PVL12
PVL11
PVL10
PVL9
PVL8
PVL7
PVL6
PVL5
PVL4
PVL3
PVL2
PVL1
PVL0
Manufacturer ID
FE
0
1
0
1
0
1
0
0
0
1
0
0
1
0
0
1
Die ID
FF
0
0
1
1
0
0
1
0
0
0
1
0
0
0
0
0


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