INA229 datasheet(24/48 Pages) TI

Part #	INA229

Description	INA229-Q1 AEC-Q100, 85-V, 20-Bit, Ultra-Precise Power/Energy/Charge Monitor With SPI Interface

PDF	48 Pages

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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24 / 48 page

Table 7-9. VSHUNT Register Field Descriptions

Bit

Field

Type

Reset

Description

23-4

VSHUNT

Differential voltage measured across the shunt output. Two's

complement value.

Conversion factor:

312.5 nV/LSB when ADCRANGE = 0

78.125 nV/LSB when ADCRANGE = 1

3-0

RESERVED

Reserved. Always reads 0.

7.6.1.6 Bus Voltage Measurement (VBUS) Register (Address = 5h) [reset = 0h]

The VBUS register is shown in Table 7-10.

Return to the Summary Table.

Table 7-10. VBUS Register Field Descriptions

Bit

Field

Type

Reset

Description

23-4

VBUS

Bus voltage output. Two's complement value, however always

positive.

Conversion factor: 195.3125 µV/LSB

3-0

RESERVED

Reserved. Always reads 0.

INA229-Q1

SLYS024A – MAY 2020 – REVISED JUNE 2021

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INA229 Datasheet(PDF) 24 Page - Texas Instruments