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INA216

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1.8 to 5.5V, high-precision current sense amplifier in wcsp

Data sheet
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1.8 to 5.5V, high-precision current sense amplifier in wcsp

INA216

ACTIVE
Data sheet Order now

Product details

Parameters

Common mode voltage (Max) (V) 5.5 Common mode voltage (Min) (V) 1.8 Input offset (+/-) (Max) (uV) 100 Input offset drift (+/-) (Typ) (uV/C) 0.1 Gain (V/V) 100, 200, 25, 50 Gain error (%) 0.2 Gain error drift (+/-) (Max) (ppm/°C) 25 CMRR (Min) (dB) 90 Bandwidth (kHz) 20, 10, 5, 2.5 Supply voltage (Max) (V) 5.5 Supply voltage (Min) (V) 1.8 Iq (Max) (mA) 0.03 Number of channels (#) 1 Comparators (#) 0 Features High precision, Small WCSP Package Rating Catalog Operating temperature range (C) -40 to 125 open-in-new Find other Current sense amplifiers analog output

Package | Pins | Size

DSBGA (YFF) 4 1 mm² .8 x .8 UQFN (RSW) 10 3 mm² 1.8 x 1.4 open-in-new Find other Current sense amplifiers analog output

Features

  • CHIP-SCALE PACKAGE
  • COMMON-MODE RANGE: +1.8V to +5.5V
  • OFFSET VOLTAGE: ±30µV
  • GAIN ERROR: ±0.2% MAX
  • CHOICE OF GAINS:
    • INA216A1: 25V/V
    • INA216A2: 50V/V
    • INA216A3: 100V/V
    • INA216A4: 200V/V
  • QUIESCENT CURRENT: 13µA
  • BUFFERED VOLTAGE OUTPUT: No Additional Op Amp Needed
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Description

The INA216 is a high-side voltage output current shunt monitor that can sense drops across shunts at common-mode voltages from +1.8V to +5.5V. Four fixed gains are available: 25V/V, 50V/V, 100V/V, and 200V/V. The low offset of the Zerø-Drift architecture enables current sensing with maximum drops across the shunt as low as 10mV full-scale, or with wide dynamic ranges of over 1000:1.

These devices operate from a single +1.8V to +5.5V power supply, drawing a maximum of 25µA of supply current. The INA216 series are specified over the temperature range of –40°C to +125°C, and offered in a chip-scale package.

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Technical documentation

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Type Title Date
* Data sheet Small Size, Low-Power, Unidirectional CURRENT SHUNT MONITOR datasheet (Rev. C) Nov. 04, 2011
Technical article How current-sense amplifiers monitor satellite health Feb. 08, 2021
Technical article Why current and magnetic sensing matters for wireless earbud design Nov. 11, 2019
Technical article A key to accurate system thermal management: monitoring both current flow and temperature Oct. 04, 2018
Selection guide Current Sense Amplifiers (Rev. D) Apr. 04, 2018
Technical article System trade-offs for high- and low-side current measurements Jun. 01, 2017
User guide INA216EVM User Guide Aug. 26, 2011

Design & development

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

Hardware development

EVALUATION BOARD Download
document-generic User guide
49
Description

The INA216EVM is intended to provide basic functional evaluation of this device family. The fixture layout is not intended to be a model for the target circuit, nor is it laid out for electromagnetic compatibility (EMC) testing. The INA216EVM allows the user to install a shunt resistor, and then (...)

Features
  • Easy handling of the tiny WCSP-4 package
  • Easy access to all device pins
  • Space for optional input filtering capacitors and resistors as well as a prototype area for additional user defined circuitry
  • Space for shunt resistors of various footprints
  • Evaluation of all gain options through provided device (...)
View details

Design tools & simulation

SIMULATION MODEL Download
SBOM824B.ZIP (820 KB) - PSpice Model
SIMULATION MODEL Download
SBOM825C.ZIP (6 KB) - TINA-TI Spice Model
SIMULATION MODEL Download
SBOM826C.TSC (376 KB) - TINA-TI Reference Design
SIMULATION MODEL Download
SBOM827B.ZIP (29 KB) - PSpice Model
SIMULATION MODEL Download
SBOM828C.ZIP (6 KB) - TINA-TI Spice Model
SIMULATION MODEL Download
SBOM829C.TSC (376 KB) - TINA-TI Reference Design
SIMULATION MODEL Download
SBOM830B.ZIP (31 KB) - PSpice Model
SIMULATION MODEL Download
SBOM831C.TSC (362 KB) - TINA-TI Reference Design
SIMULATION MODEL Download
SBOM832C.ZIP (6 KB) - TINA-TI Spice Model
SIMULATION MODEL Download
SBOM833C.ZIP (33 KB) - TINA-TI Spice Model
SIMULATION MODEL Download
SBOM834C.TSC (309 KB) - TINA-TI Reference Design
SIMULATION MODEL Download
SBOM835B.ZIP (27 KB) - PSpice Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
View details
SIMULATION TOOL Download
SPICE-based analog simulation program
TINA-TI — 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 (...)
document-generic User guide
CALCULATION TOOL Download
SBOR020A.ZIP (525 KB)

Reference designs

REFERENCE DESIGNS Download
Current Shunt Monitor with Transient Robustness Reference Design
TIDA-00302 — This high-side current shunt monitor is used to measure the voltage developed across a current-sensing resistor when current passes through it.

Additionally, an external protection circuit is implemented to provide surge and fast-transient protection and demonstrate the different immunity levels to (...)
document-generic Schematic document-generic User guide
Design files
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CAD/CAE symbols

Package Pins Download
DSBGA (YFF) 4 View options
UQFN (RSW) 10 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
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  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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