AEC-Q100, -16 to 80V, 500kHz current sense amplifier w/ dual comparators
Product details
Parameters
Package | Pins | Size
Features
- Qualified for Automotive Applications
- Current Sense Amplifier
- Common-Mode Range: –16 V to +80 V
- Accuracy: 3.5% (Maximum) Over Temperature
- Bandwidth: 500 kHz
- Gain: 20 V/V
- Integrated Dual Comparators:
- Comparator 1 With Latch
- Comparator 2 With Optional Delay
- Quiescent Current: 1.8 mA
- Latch-Up Performance Meets 100 mA Per AEC-
Q100, Level I - Packages: TSSOP-14
- APPLICATIONS
- Electric Power Steering (EPS) Systems
- Body Control Modules
- Brake Systems
- Electronic Stability Control (ESC) Systems
All other trademarks are the property of their respective owners
Description
The INA203-Q1 is a unidirectional current-shunt monitor (also called a current sense amplifier) with voltage output, dual comparators, and voltage reference. The INA203-Q1 can sense drops across shunts at common-mode voltages from –16 V to +80 V. The INA203-Q1 is available with 20-V/V gain with up to 500-kHz bandwidth.
The INA203-Q1 incorporates two open-drain comparators with internal 0.6-V references and also provides a 1.2-V reference output. The comparator references can be overridden by external inputs. Comparator 1 includes a latching capability, and Comparator 2 has a user-programmable delay.
The INA203-Q1 operates from a single 2.7 V to 18 V supply. It is specified over the extended operating temperature range of –40°C to +125°C.
Technical documentation
| Type | Title | Date | |
|---|---|---|---|
| * | Datasheet | INA203-Q1 Automotive Grade, –16 V to +80 V, Low- or High-Side, High-Speed, Voltage Output Current Shunt Monitor With Dual Comparators and Reference datasheet (Rev. A) | Apr. 28, 2016 |
| Technical articles | How current-sense amplifiers monitor satellite health | Feb. 08, 2021 | |
| Technical articles | A key to accurate system thermal management: monitoring both current flow and temperature | Oct. 04, 2018 | |
| Application note | Overcurrent event detection circuit | Jul. 31, 2018 | |
| Application note | Measuring Current to Handle Multiple Out-of-Range Conditions (Rev. B) | May 18, 2018 | |
| Application note | Overcurrent and Out-of-Range Protections (Rev. C) | May 18, 2018 | |
| Technical articles | System trade-offs for high- and low-side current measurements | Jun. 01, 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.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
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