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INA220AIDGST
Texas Instruments
IC CURRENT MONITOR 1% 10VSSOP
5908 Pcs New Original In Stock
Current Monitor Regulator High/Low-Side 10mA 10-VSSOP
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (439 Ratings)
INA220AIDGST
Product Overview
1347863
DiGi Electronics Part Number
INA220AIDGST-DGManufacturer
Texas Instruments
INA220AIDGST
Description
IC CURRENT MONITOR 1% 10VSSOPInventory
5908 Pcs New Original In Stock
Current Monitor Regulator High/Low-Side 10mA 10-VSSOP
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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INA220AIDGST Technical Specifications
Category
Power Management (PMIC), Current Regulation/Management
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Function
Current Monitor
Sensing Method
High/Low-Side
Accuracy
±1%
Voltage - Input
0V ~ 26V
Current - Output
10mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package
10-VSSOP
Base Product Number
INA220
Datasheet & Documents
Manufacturer Product Page
INA220AIDGST Specifications
HTML Datasheet
INA220AIDGST-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
-296-24632-1-NDR
296-24632-6
296-24632-1
296-24632-6-NDR
296-24632-2
-INA220AIDGST-NDR
296-24632-2-NDR
-296-24632-1
-296-24632-1-DG
296-24632-1-NDR
Standard Package
250
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
늘 믿고 구매하는 브랜드로서 추천합니다.
de desembre 02, 2025
I feel confident recommending DiGi Electronics because of their consistent excellence.
de desembre 02, 2025
DiGi Electronics's attention to packaging safety is unmatched, ensuring my orders reach me in perfect condition.
de desembre 02, 2025
Their prompt shipping allows me to meet tight deadlines effortlessly.
de desembre 02, 2025
Their affordability and website experience keep me coming back again and again.
de desembre 02, 2025
DiGi Electronics always offers transparent prices, making the entire buying process straightforward.
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Frequently Asked Questions (FAQ)
When designing a high-side current sensing circuit for a 12V automotive load, how does the INA220AIDGST compare to the INA210AIDCKR in terms of accuracy, common-mode voltage handling, and risk of ground disturbance during fault conditions?
The INA220AIDGST is better suited for high-side sensing in 12V automotive systems due to its 0V to 26V common-mode range, which fully accommodates load-dump transients, while the INA210AIDCKR is limited to 26V but lacks integrated voltage output and requires external burden resistors. Unlike the INA210, the INA220AIDGST provides a buffered analog output that minimizes ground disturbance during short-circuit events, reducing risk of microcontroller resets. Its ±1% accuracy over temperature ensures reliable diagnostics without calibration, a key advantage over the INA210’s typical ±1.5% error under similar conditions.
Can the INA220AIDGST safely monitor current on the low-side of a 24V industrial motor drive without introducing ground loop issues or affecting control logic reference stability?
Yes, the INA220AIDGST can be used on the low-side of a 24V motor drive, but careful layout is required to avoid ground loops. Since its input range includes 0V, it supports low-side sensing, but the shunt resistor must be placed between the load return and system ground. To prevent noise coupling into sensitive control logic, isolate the INA220AIDGST’s ground path using a star ground configuration and add a 100nF decoupling capacitor near its supply pin. Unlike high-side configurations, low-side use risks creating a floating ground if not properly bonded, so verify continuity and avoid daisy-chaining grounds through long PCB traces.
What are the key reliability risks when replacing a legacy INA226AIDGSR with the INA220AIDGST in a battery management system operating at -40°C, and how should the design be adjusted to maintain accuracy?
Replacing the INA226AIDGSR (digital I²C output) with the analog-output INA220AIDGST introduces signal integrity and calibration risks in cold environments. While both support -40°C operation, the INA220AIDGST’s analog output is more susceptible to noise and ADC quantization error at low temperatures, where shunt resistor TCR can drift. To mitigate this, use a precision shunt with <50ppm/°C TCR and ensure the ADC sampling the INA220AIDGST output has sufficient resolution (≥12-bit). Additionally, the INA220AIDGST lacks built-in averaging, so implement software oversampling to match the INA226’s noise performance, especially critical in cold-start conditions where current spikes occur.
How does the INA220AIDGST perform in a multi-phase power supply monitoring application where multiple current sensors share a common 3.3V ADC reference, and what layout precautions are needed to avoid crosstalk?
The INA220AIDGST can be used across multiple phases, but its 10mA output current capability requires careful buffering if driving long traces to a shared ADC. Without isolation, simultaneous switching in adjacent phases can induce crosstalk via parasitic capacitance. To prevent this, use individual RC filters (e.g., 1kΩ + 100nF) on each INA220AIDGST output and route signals orthogonally to high-di/dt paths. Also, ensure the ADC reference is clean—bypass it with a 10µF ceramic capacitor—since the INA220AIDGST’s output is ratiometric and sensitive to reference noise. Unlike digital monitors (e.g., INA233), this analog approach demands stricter PCB layout discipline to maintain phase-to-phase accuracy within ±1%.
Is the INA220AIDGST suitable for monitoring pulsed loads in a telecom rectifier where peak currents reach 5A with 10% duty cycle, and how should thermal derating be applied given its 10-VSSOP package?
Yes, the INA220AIDGST can handle 5A pulsed loads, but thermal derating in the 10-VSSOP package is critical. At 125°C ambient, the device’s power dissipation must stay below ~300mW to avoid junction overheating. With a 1mΩ shunt, peak dissipation is only 25mW, but cumulative heating from repeated pulses requires evaluating RMS current. Use a shunt rated for pulsed energy (e.g., Vishay WSL series) and ensure adequate copper pour under the INA220AIDGST to act as a heat spreader. Unlike larger packages (e.g., SOIC-8), the 10-VSSOP has limited thermal mass, so avoid placing it near other heat sources. Monitor case temperature during validation to confirm safe operation under worst-case duty cycles.
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INA220AIDGST CAD Models
Texas Instruments INA220AIDGST PCB symbols & footprints
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