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INA238 데이터시트(PDF) 21 Page - Texas Instruments

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부품명 INA238
상세설명  INA238 85-V, 16-Bit, High-Precision Power Monitor With I2C Interface
PDF  49 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
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INA238 데이터시트(HTML) 21 Page - Texas Instruments

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Table 7-3. INA238 Registers (continued)
Address Acronym
Register Name
Register Size (bits)
Section
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. INA238 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.
Table 7-5. CONFIG Register Field Descriptions
Bit
Field
Type
Reset
Description
15
RST
R/W
0h
Reset Bit. Setting this bit to '1' generates a system reset that is the
same as power-on reset.
Resets all registers to default values.
0h = Normal Operation
1h = System Reset sets registers to default values
This bit self-clears.
14
RESERVED
R/W
0h
Reserved. Always reads 0.
13-6
CONVDLY
R/W
0h
Sets the Delay for initial ADC conversion in steps of 2 ms.
0h = 0 s
1h = 2 ms
FFh = 510 ms
5
RESERVED
R/W
0h
Reserved. Always reads 0.
4
ADCRANGE
R/W
0h
Shunt full scale range selection across IN+ and IN–.
0h = ±163.84 mV
1h = ± 40.96 mV
3-0
RESERVED
R
0h
Reserved. Always reads 0.
www.ti.com
INA238
SLYS025 – JANUARY 2021
Copyright © 2021 Texas Instruments Incorporated
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