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INA700
  • INA700

INA700

ACTIVE

40V, 16-bit integrated-shunt E3-driver-capable current, voltage, power and energy monitor

Texas Instruments INA700 Product Info

1 April 2026 4

Parameters

Common-mode voltage (max) (V)

40

Common-mode voltage (min) (V)

-0.1

Continuous current (max) (A)

15

Input offset current (±) (max) (mA)

2

Input offset current drift (±) (typ) (µA/°C)

50

Gain error (%)

0.25

Supply voltage (max) (V)

5.5

Supply voltage (min) (V)

2.7

Iq (max) (mA)

1.1

Digital interface

I2C

Resolution (Bits)

16

Features

Alert Function, Bidirectional, Digital Temp Monitor, Integrated Power Monitor, Integrated Shunt, Low-side Capable, Ultra precise

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Package

POWERWCSP (YWF)-8-See data sheet

Features

  • Low loss integrated shunt resistor
    • Internal resistance: 2mΩ at TA = 25°C
    • Current rating: ±15A at TA = 25°C
  • High-resolution, 16-bit delta-sigma ADC
    • Wide common-mode range: –0.3 V to +40 V
    • Reports current, bus voltage, power, internal temperature, energy, and charge
    • Programmable conversion time and averaging
  • Current monitoring accuracy:
    • Total Measurement Error: ±0.5% at 5A
    • Offset current: ±1.5mA (maximum)
    • Gain error: ±0.5% (maximum at 5A)
    • Gain error drift: ±50ppm/°C (maximum)
  • Power monitoring accuracy:
    • 0.85% accuracy at 5A
  • Energy and Charge accuracy:
    • 1.35% accuracy at 5A
  • Internal monitoring and fault detection
  • Precision oscillator: ±0.5% (maximum)
  • 2.94MHz High-Speed I2C interface with 4 pin-selectable addresses
  • Operates from a 2.7V to 5.5V supply
    • Operational current: 640µA (typical)
    • Shutdown current: 5µA (maximum)
  • Low loss integrated shunt resistor
    • Internal resistance: 2mΩ at TA = 25°C
    • Current rating: ±15A at TA = 25°C
  • High-resolution, 16-bit delta-sigma ADC
    • Wide common-mode range: –0.3 V to +40 V
    • Reports current, bus voltage, power, internal temperature, energy, and charge
    • Programmable conversion time and averaging
  • Current monitoring accuracy:
    • Total Measurement Error: ±0.5% at 5A
    • Offset current: ±1.5mA (maximum)
    • Gain error: ±0.5% (maximum at 5A)
    • Gain error drift: ±50ppm/°C (maximum)
  • Power monitoring accuracy:
    • 0.85% accuracy at 5A
  • Energy and Charge accuracy:
    • 1.35% accuracy at 5A
  • Internal monitoring and fault detection
  • Precision oscillator: ±0.5% (maximum)
  • 2.94MHz High-Speed I2C interface with 4 pin-selectable addresses
  • Operates from a 2.7V to 5.5V supply
    • Operational current: 640µA (typical)
    • Shutdown current: 5µA (maximum)

Description

The INA700 is a digital power monitor with an integrated shunt resistor along with a 16-bit delta-sigma ADC specifically designed for current sensing applications. The device can measure full-scale currents up to ±15.728A, over the common-mode voltage range of –0.3V to +40V.

The INA700 reports current, bus voltage, die temperature, power, energy and charge accumulation with a precision ±0.5% integrated oscillator, all while performing the needed calculations in the background. The integrated temperature sensor is ±3°C accurate over the junction temperature range.

The low offset and gain error drift of the INA700 allows use in systems that do not undergo temperature calibration during manufacturing.

The device features selectable ADC conversion times from 50µs to 4.12ms as well as sample averaging from 1x to 1024x, which further helps reduce the noise of the measured data and allows for optimization of overcurrent detection windows.

The device is available in a tiny PowerWCSP (DSBGA) package to minimize the solution size and maximize thermal performance.

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