AEC-Q100, 26V, quad channel, 350kHz current sense amplifier
Product details
Parameters
Package | Pins | Size
Features
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C ≤ TA ≤ +125°C
- HBM ESD classification level 2
- CDM ESD classification level C6
- Functional Safety-Capable
- Common-mode range (VCM): –0.2 V to +26 V
- High bandwidth: 350 kHz (A1 devices)
- Offset voltage:
- ±150 µV (maximum) at VCM = 0 V
- ±500 µV (maximum) at VCM = 12 V
- Output slew rate: 2 V/µs
- Accuracy:
- ±1% gain error (maximum)
- 1-µV/°C offset drift (maximum)
- Gain options:
- 20 V/V (A1 devices)
- 50 V/V (A2 devices)
- 100 V/V (A3 devices)
- 200 V/V (A4 devices)
- Quiescent current: 260 µA maximum (INA180-Q1)
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Description
The INA180-Q1, INA2180-Q1, and INA4180-Q1 (INAx180-Q1) current sense amplifiers are designed for cost-optimized applications. These devices are part of a family of current-sense amplifiers (also called current-shunt monitors) that sense voltage drops across current-sense resistors at common-mode voltages from –0.2 V to +26 V, independent of the supply voltage. The INAx180-Q1 integrate a matched resistor gain network in four, fixed-gain device options: 20 V/V, 50 V/V, 100 V/V, or 200 V/V. This matched gain resistor network minimizes gain error and reduces the temperature drift.
All these devices operate from a single 2.7-V to 5.5-V power supply. The single-channel INA180-Q1 draws a maximum supply current of 260 µA; whereas, the dual-channel INA2180-Q1 draws a maximum supply current of 500 µA, and the quad channel draws a maximum supply current of 900 µA.
The INA180-Q1 is available in a 5-pin, SOT-23 package with two different pin configurations. The INA2180-Q1 is available in a 8-pin, VSSOP package. The INA4180-Q1 is available in a 14-pin, TSSOP package. All device options are specified over the extended operating temperature range of –40°C to +125°C.
Same functionality but is not pin-for-pin or parametrically equivalent to the compared device:
Technical documentation
Type | Title | Date | |
---|---|---|---|
* | Datasheet | INAx180-Q1 Automotive, Low- and High-Side Voltage Output, Current-Sense Amplifiers datasheet (Rev. C) | Apr. 30, 2020 |
Technical articles | How current-sense amplifiers monitor satellite health | Feb. 08, 2021 | |
Functional safety information | INAx180-Q1, INAx181-Q1 Functional Safety Fit Rate, FMD and Pin FMA (Rev. A) | Sep. 22, 2020 | |
Technical articles | 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 | |
Application note | Common Uses for Multichannel Current Monitoring | Dec. 19, 2017 | |
Application note | Closed-Loop Analysis of Load-Induced Amplifier Stability Issues Using Zout | Oct. 27, 2017 | |
Technical articles | System trade-offs for high- and low-side current measurements | Jun. 01, 2017 | |
Application note | Low-Side Current Sense Circuit Integration | Mar. 30, 2017 | |
Technical articles | Why should you care about overcurrent protection in your system? | Jun. 16, 2016 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
Features
- Evaluation of the INA4180x and INA4181x in all gain options
- Test points to allow ease of acess to device pins
- Capability to evaluate both high and low-side configurations
Design tools & simulation
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
- (...)
Reference designs
Additionally, an external protection circuit is implemented to provide surge and fast-transient protection and demonstrate the different immunity levels to (...)
Design files
-
download TIDA-00302 BOM.pdf (52KB)
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
TSSOP (PW) | 14 | 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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