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Digital power monitors with integrated shunt resistor
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INA700

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40-V 16-Bit I²C output digital power monitor in WCSP with EZShunt™ Technology

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Data sheet

INA700

ACTIVE
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Product details

Continuous current (max) (A) 15 Common-mode voltage (max) (V) 40 Common-mode voltage (min) (V) -0.1 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
Continuous current (max) (A) 15 Common-mode voltage (max) (V) 40 Common-mode voltage (min) (V) -0.1 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
POWERWCSP (YWF) 8 See data sheet
  • Low loss integrated shunt resistor
    • Internal resistance: 2 mΩ at T A = 25°C
    • Current rating: ±15 A at T A = 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 5 A
    • Offset current: ±1.5 mA (maximum)
    • Gain error: ±0.5% (maximum at 5 A)
    • Gain error drift: ±50 ppm/°C (maximum)
  • Power monitoring accuracy:
    • 0.85% accuracy at 5 A
  • Energy and Charge accuracy:
    • 1.35% accuracy at 5 A
  • Internal monitoring and fault detection
  • Precision oscillator: ±0.5% (maximum)
  • 2.94-MHz High-Speed I 2C interface with 4 pin-selectable addresses
  • Operates from a 2.7-V to 5.5-V supply
    • Operational current: 640 µA (typical)
    • Shutdown current: 5 µA (maximum)
  • Low loss integrated shunt resistor
    • Internal resistance: 2 mΩ at T A = 25°C
    • Current rating: ±15 A at T A = 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 5 A
    • Offset current: ±1.5 mA (maximum)
    • Gain error: ±0.5% (maximum at 5 A)
    • Gain error drift: ±50 ppm/°C (maximum)
  • Power monitoring accuracy:
    • 0.85% accuracy at 5 A
  • Energy and Charge accuracy:
    • 1.35% accuracy at 5 A
  • Internal monitoring and fault detection
  • Precision oscillator: ±0.5% (maximum)
  • 2.94-MHz High-Speed I 2C interface with 4 pin-selectable addresses
  • Operates from a 2.7-V to 5.5-V supply
    • Operational current: 640 µA (typical)
    • Shutdown current: 5 µA (maximum)

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 ±15.728 A, over the common-mode voltage range of –0.3 V to +40 V.

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 50 µs to 4.12 ms 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.

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 ±15.728 A, over the common-mode voltage range of –0.3 V to +40 V.

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 50 µs to 4.12 ms 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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Technical documentation

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Type Title Date
* Data sheet INA700 40 V, 16-Bit, I2C Output Digital Power Monitor in WCSP with 2 mΩ EZShunt Technology datasheet (Rev. A) PDF | HTML 14 Sep 2023
Technical article Bringing design simplicity, low drift, and small size to integrated-shunt solutions 11 Aug 2023
Application note Current Sensing Applications in Communication Infrastructure Equipment (Rev. C) PDF | HTML 08 Aug 2023
Application note Improving Power Amplifier Efficiency With Current Monitors (Rev. B) PDF | HTML 24 Jul 2023
More literature INA700 Product Overview PDF | HTML 23 May 2023
User guide INA700EVM User's Guide PDF | HTML 20 Apr 2023
Certificate INA700EVM EU RoHS Declaration of Conformity (DoC) 23 Mar 2023
Technical article 4 key current-sensing design trends that are powering electrification 21 Feb 2023

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

INA700EVM — INA700 evaluation module for EZShunt™ Digital Power Monitor with built in shunt resistor

The INA700EVM evaluation module (EVM) is a compact platform for evaluating the main features and performance of the INA700 high-precision digital power monitor with EZShunt™ Technology across its specified input current, common-mode voltage and temperature ranges. Instrumentation needs for (...)

User guide: PDF | HTML
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IDE, configuration, compiler or debugger

ASC-STUDIO-INA700 — ASC Studio (SysConfig) for configuring all aspects of the INA700 current sensor

SysConfig can be used to help simplify configuration challenges and accelerate software development with the INA700 current sensor.
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Digital power monitors with integrated shunt resistor
INA700 — 40-V 16-Bit I²C output digital power monitor in WCSP with EZShunt™ Technology
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TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
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