INA700
40-V 16-Bit I²C output digital power monitor in WCSP with EZShunt™ Technology
INA700
- 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.
Technical documentation
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 | PDF | HTML | 04 Jan 2024 | |
Application brief | Current Sensing Applications in Communication Infrastructure Equipment (Rev. C) | PDF | HTML | 08 Aug 2023 | |
Application brief | Improving Power Amplifier Efficiency With Current Monitors (Rev. B) | PDF | HTML | 24 Jul 2023 | |
Product overview | 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 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
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 (...)
ANALOG-ENGINEER-CALC — PC software analog engineer's calculator
The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)
Supported products & hardware
Products
Precision op amps (Vos<1mV)
General-purpose op amps
Audio op amps
Transimpedance amplifiers
High-speed op amps (GBW ≥ 50 MHz)
Power op amps
Video amplifiers
Line drivers
Transconductance amplifiers & laser drivers
Fully differential amplifiers
Precision ADCs
Biosensing AFEs
High-speed ADCs (≥10 MSPS)
Receivers
Touchscreen controllers
Difference amplifiers
Instrumentation amplifiers
Audio line receivers
Analog current-sense amplifiers
Digital power monitors
Analog current-sense amplifiers with integrated shunt resistor
Digital power monitors with integrated shunt resistor
Die & wafer services
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
TINA-TI — SPICE-based analog simulation program
Package | Pins | Download |
---|---|---|
POWERWCSP (YWF) | 8 | View options |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Support & training
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