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INA239 데이터시트(PDF) 21 Page - Texas Instruments

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부품명 INA239
상세설명  INA239-Q1 AEC-Q100, 85-V, 16-Bit, High-Precision Power Monitor With SPI Interface
PDF  47 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
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INA239 데이터시트(HTML) 21 Page - Texas Instruments

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Table 7-2. First 8-MSB Bits of SPI Frame
COMMAND
b7
b6
b5
b4
b3
b2
b1
b0
READ
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
0
1
WRITE
0
7.6 Register Maps
7.6.1 INA239-Q1 Registers
Table 7-3 lists the INA239-Q1 registers. All register locations not listed in Table 7-3 should be considered as
reserved locations and the register contents should not be modified.
Table 7-3. INA239-Q1 Registers
Address Acronym
Register Name
Register Size (bits)
Section
0h
CONFIG
Configuration
16
Go
1h
ADC_CONFIG
ADC Configuration
16
Go
2h
SHUNT_CAL
Shunt Calibration
16
Go
4h
VSHUNT
Shunt Voltage Measurement
16
Go
5h
VBUS
Bus Voltage Measurement
16
Go
6h
DIETEMP
Temperature Measurement
16
Go
7h
CURRENT
Current Result
16
Go
8h
POWER
Power Result
24
Go
Bh
DIAG_ALRT
Diagnostic Flags and Alert
16
Go
Ch
SOVL
Shunt Overvoltage Threshold
16
Go
Dh
SUVL
Shunt Undervoltage Threshold
16
Go
Eh
BOVL
Bus Overvoltage Threshold
16
Go
Fh
BUVL
Bus Undervoltage Threshold
16
Go
10h
TEMP_LIMIT
Temperature Over-Limit
Threshold
16
Go
11h
PWR_LIMIT
Power Over-Limit Threshold
16
Go
3Eh
MANUFACTURER_ID
Manufacturer ID
16
Go
3Fh
DEVICE_ID
Device ID
16
Go
Complex bit access types are encoded to fit into small table cells. Table 7-4 shows the codes that are used for
access types in this section.
Table 7-4. INA239-Q1 Access Type Codes
Access Type
Code
Description
Read Type
R
R
Read
Write Type
W
W
Write
Reset or Default Value
-n
Value after reset or the default
value
7.6.1.1 Configuration (CONFIG) Register (Address = 0h) [reset = 0h]
The CONFIG register is shown in Table 7-5.
Return to the Summary Table.
www.ti.com
INA239-Q1
SLYS028A – MAY 2020 – REVISED JUNE 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: INA239-Q1



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