INA229 datasheet(22/40 Pages) TI

22 / 40 page

Table 7-6. ADC_CONFIG Register Field Descriptions (continued)

Bit

Field

Type

Reset

Description

11-9

VBUSCT

R/W

Sets the conversion time of the bus voltage measurement:

0h = 50 µs

1h = 84 µs

2h = 150 µs

3h = 280 µs

4h = 540 µs

5h = 1052 µs

6h = 2074 µs

7h = 4120 µs

8-6

VSHCT

R/W

Sets the conversion time of the shunt voltage measurement:

0h = 50 µs

1h = 84 µs

2h = 150 µs

3h = 280 µs

4h = 540 µs

5h = 1052 µs

6h = 2074 µs

7h = 4120 µs

5-3

VTCT

R/W

Sets the conversion time of the temperature measurement:

0h = 50 µs

1h = 84 µs

2h = 150 µs

3h = 280 µs

4h = 540 µs

5h = 1052 µs

6h = 2074 µs

7h = 4120 µs

2-0

AVG

R/W

Selects ADC sample averaging count. The averaging setting applies

to all active inputs.

When >0h, the output registers are updated after the averaging has

completed.

0h = 1

1h = 4

2h = 16

3h = 64

4h = 128

5h = 256

6h = 512

7h = 1024

7.6.1.3 Shunt Calibration (SHUNT_CAL) Register (Address = 2h) [reset = 1000h]

The SHUNT_CAL register is shown in Table 7-7.

Return to the Summary Table.

Table 7-7. SHUNT_CAL Register Field Descriptions

Bit

Field

Type

Reset

Description

RESERVED

Reserved. Always reads 0.

14-0

CURRLSB

R/W

1000h

The register provides the device with a conversion constant value

that represents shunt resistance used to calculate current value in

Amperes.

This also sets the resolution for the CURRENT register.

Value calculation under Section 8.1.2.

INA229

SLYS023 – DECEMBER 2020

www.ti.com

Submit Document Feedback

Product Folder Links: INA229

INA229 Datasheet(PDF) 22 Page - Texas Instruments

INA229 Datasheet(HTML) 22 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

Datasheet Download

Link URL