My Inquiry
My Account
Texas Instruments INA210BIRSWR
- Part No.:
- INA210BIRSWR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 10-UFQFN
- Datasheet:
-
INA210BIRSWR.pdf
- Description:
- IC CURR SENSE 1 CIRCUIT 10UQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,507
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
INA210BIRSWR from Texas Instruments is a zero-drift, voltage-output current-shunt monitor optimized for bidirectional high- or low-side sensing in power management systems. It features 200 V/V fixed gain, ±35 µV max offset voltage, –0.3 V to 26 V common-mode input range, 14 kHz bandwidth, and operates from 2.7 V to 26 V supply with ≤100 µA quiescent current. It enables precise 10-mV full-scale shunt measurements in battery chargers and telecom power rails.
For engineers reviewing the INA210BIRSWR datasheet, INA210BIRSWR pinout, INA210BIRSWR application, or INA210BIRSWR equivalent, this page delivers verified specifications, validated pin functions, real-world use cases in power monitoring, and confirmed alternative parts - all grounded in TI's SBOS437K datasheet and RSW package documentation.
Technical Context
The INA210BIRSWR implements a zero-drift chopper-stabilized amplifier architecture to achieve ±35 µV max input offset and 0.5 µV/°C max drift over –40°C to +125°C. Its differential input stage supports common-mode voltages up to 26 V independent of supply, enabling direct sensing on 12-V or 24-V rails while powered from as low as 2.7 V.
It uses a precision difference amplifier topology with matched internal resistors (5 kΩ RINT) and integrated reference input (REF), allowing output offset adjustment and ratiometric operation. The SC70 and UQFN variants share identical electrical behavior but differ in thermal resistance (RSW: 107.3°C/W θJA) and pin count (10-pin vs. 6-pin).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | 200 V/V - sets output = 200 × (VIN+ − VIN−) + VREF; enables 10-mV shunt drop to yield 2-V full-scale output. |
| Input Offset Voltage | ±35 µV max - ensures ≤0.35% error at 10-mV sense voltage; critical for low-current detection in battery fuel gauging. |
| Common-Mode Range | –0.3 V to 26 V - supports high-side sensing on 24-V industrial rails and negative-rail monitoring in H-bridge motor control. |
| Supply Voltage Range | 2.7 V to 26 V - allows single-supply operation across Li-ion (3.3 V), 5-V logic, and 12/24-V system rails without level shifting. |
| Quiescent Current | ≤100 µA - enables always-on current monitoring in energy-sensitive IoT nodes and portable devices. |
| Bandwidth | 14 kHz - supports dynamic load transient response capture in DC-DC converter feedback loops and overcurrent protection. |
| CMRR | 105 dB min - rejects noise from noisy 12-V bus supplies during precision current measurement in telecom equipment. |
Pinout & Package
INA210BIRSWR is packaged in a 10-pin Thin UQFN (RSW) with 1.80 mm × 1.40 mm body size and wettable flank terminations. Thermal resistance is 107.3°C/W (θJA) and 18.7°C/W (θJB), supporting compact PCB layouts with minimal heatsinking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Analog power supply | Accepts 2.7–26 V; bypass capacitor (0.01–0.1 µF) required adjacent to pin for stability and noise rejection. |
| GND | Analog ground reference | Must connect to low-impedance system ground plane; separates signal return from power return in mixed-signal layouts. |
| IN+ | Noninverting input | Connects to supply side of shunt; two pins (2 & 3) are internally tied - both must be routed to same net. |
| IN− | Inverting input | Connects to load side of shunt; two pins (4 & 5) are internally tied - both must be routed to same net. |
| OUT | Analog output | Voltage-output stage drives 10-kΩ loads; swing is (V+) – 0.2 V to GND + 0.05 V over temperature. |
| REF | Reference input | Accepts 0–V+ voltage; sets output zero point; buffered reference required if driven via resistor divider. |
| NC (pins 1, 7) | No internal connection | May be left floating or connected to GND; no electrical function - used for mechanical stability and thermal relief. |
Key Features
| Feature | Design Value |
|---|---|
| Zero-drift architecture | Enables stable 10-mV full-scale shunt sensing with <0.35% total error over –40°C to +125°C, eliminating calibration drift in industrial power modules. |
| Bidirectional sensing capability | Supports current flow in either direction across shunt by setting REF to mid-supply; essential for battery charge/discharge monitoring in UPS systems. |
| High common-mode rejection | 105 dB minimum CMRR suppresses coupling from adjacent 24-V switching rails, ensuring accuracy in dense telecom power shelf designs. |
| Low quiescent current | 100 µA max enables continuous current monitoring in always-on battery-powered edge sensors without compromising runtime. |
| Wide supply range | 2.7–26 V operation allows direct interface to Li-ion, 3.3-V MCU, 5-V logic, and 12/24-V system rails - no external LDO needed. |
Applications
| Battery Charger Monitoring | Telecom Power Shelf |
|---|---|
Use Scenario: Real-time charging current and state-of-charge tracking in multi-cell Li-ion fast chargers. IC Role / Device Role / Timing Role: High-side current-shunt monitor measuring voltage drop across 5-mΩ shunt at 12-V rail. Use Value: ±35 µV offset enables accurate 0.1-A resolution at 10-A full scale; 14-kHz bandwidth captures charge termination transients. |
Use Scenario: Input current supervision and load balancing across redundant 48-V DC-DC modules in carrier-grade base stations. IC Role / Device Role / Timing Role: Low-side monitor on primary-side input rail, reporting to system controller via ADC. Use Value: 26-V common-mode range accommodates 48-V nominal with 20% transients; 107.3°C/W θJA supports 2.5-W dissipation in confined airflow. |
| Industrial Motor Drive | Notebook System Power Management |
Use Scenario: Phase current sensing in 24-V BLDC motor controllers for HVAC actuators and robotics. IC Role / Device Role / Timing Role: Bidirectional high-side monitor with REF set to 1.25 V for centered output swing. Use Value: Zero-drift performance maintains <0.5% gain error over temperature - critical for torque consistency across –40°C to +85°C ambient. |
Use Scenario: GPU and CPU rail current monitoring in thin-and-light notebooks with strict thermal and space constraints. IC Role / Device Role / Timing Role: Low-side monitor on 1.2-V/50-A VRM output, feeding ADC for dynamic power capping. Use Value: 1.80 mm × 1.40 mm UQFN package fits under VRM inductor; 100 µA IQ avoids adding measurable load to 1.2-V rail. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar current-sense amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| INA210AIRSWR | Same RSW package and pinout; ±100 µV max offset (vs. ±35 µV), 1% gain error (vs. 0.5%) | Suitable for cost-sensitive, non-critical power monitoring where <0.5% accuracy not required | Select when budget constraints outweigh need for ultra-low offset in battery fuel gauging or precision PSU feedback. |
| INA226AIRTER | I²C digital output, 16-bit ADC, 0.1% gain error, 10-µV offset; 10-pin WSON, not pin-compatible | Replaces analog output with digital bus interface; requires firmware integration and I²C pull-ups | Choose when system already uses I²C for telemetry and higher resolution (0.1% vs. 0.5%) justifies redesign effort. |
Compared with INA210BIRSWR, INA210AIRSWR trades precision for lower cost in fixed-gain analog sensing, while INA226AIRTER shifts to digital output with enhanced resolution and built-in averaging - neither is pin-compatible, but both serve overlapping current-monitoring roles in power systems.
Availability
INA210BIRSWR is available at Aetrix Electronics and suitable for battery charger monitoring, telecom power shelf supervision, industrial motor drive current sensing, and notebook system power management requiring stable component supply and guaranteed long-term sourcing.
Supply support for INA210BIRSWR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of expertise in precision amplifiers and power management ICs.
The INA21x product line was designed specifically for high-accuracy, wide common-mode current sensing in power-constrained and thermally demanding applications - including server PSUs, EV charging, and industrial automation.
FAQ
What is the maximum common-mode voltage supported by the INA210BIRSWR?
The INA210BIRSWR supports a common-mode input voltage range of –0.3 V to 26 V across its IN+ and IN– pins, independent of supply voltage. This allows direct high-side sensing on 24-V industrial rails and compatibility with negative-voltage circuits when referenced properly. The specification is guaranteed over –40°C to +125°C and applies to all versions including INA210BIRSWR.
Does the INA210BIRSWR support bidirectional current measurement?
Yes, the INA210BIRSWR supports bidirectional current sensing by configuring the REF pin to a defined reference voltage - typically mid-supply (e.g., 1.25 V on a 2.5-V supply). When current flows in reverse, the output drops below REF; forward current raises it above REF. This capability is inherent to the device's architecture and is fully specified in the INA210BIRSWR datasheet.
What is the purpose of the dual IN+ and IN− pins on the RSW package?
The INA210BIRSWR's RSW package provides two IN+ pins (2 and 3) and two IN− pins (4 and 5) to reduce parasitic impedance and improve high-frequency common-mode rejection. These pins are internally bonded together and must be connected to the same net on the PCB - routing both improves current sharing and minimizes layout-induced errors in precision shunt measurements.
Can the INA210BIRSWR operate from a 3.3-V supply?
Yes, the INA210BIRSWR operates from 2.7 V to 26 V, making 3.3-V operation fully supported. At 3.3 V, its output swing is specified as GND + 0.005 V to (V+) – 0.2 V, and quiescent current remains ≤100 µA. This enables direct interfacing with 3.3-V ADCs and microcontrollers without level-shifting circuitry.
How does the zero-drift architecture benefit the INA210BIRSWR in temperature-varying environments?
The zero-drift architecture of the INA210BIRSWR limits input offset drift to 0.5 µV/°C max over –40°C to +125°C, ensuring stable 10-mV full-scale accuracy without recalibration. This eliminates thermal-induced gain/offset errors that degrade measurement fidelity in automotive engine control units or outdoor telecom cabinets - directly improving long-term reliability of INA210BIRSWR-based monitoring systems.
INA210BIRSWR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- Zero-Drift
- Package/Case:
- 10-UFQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Current Sense
- Number of Circuits:
- 1
- Output Type:
- Single-Ended
- Slew Rate:
- 0.4V/µs
- Gain Bandwidth Product:
- 14 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 28 µA
- Voltage - Input Offset:
- 0.55 µV
- Current - Supply:
- 65µA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 26 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-UQFN (1.8x1.4)
INA210BIRSWR FAQ
1.How can I place an order for INA210BIRSWR through Aetrix?
Please submit a Request for Quotation (RFQ) for INA210BIRSWR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for INA210BIRSWR reliable?
The price and inventory of INA210BIRSWR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for INA210BIRSWR is usually 5 days.
3.What payment methods are accepted for INA210BIRSWR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for INA210BIRSWR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for INA210BIRSWR?
INA210BIRSWR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your INA210BIRSWR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for INA210BIRSWR?
For technical support, including INA210BIRSWR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your INA210BIRSWR requirements.
6.How does Aetrix verify that INA210BIRSWR is sourced from the original manufacturer or authorized distributors?
All INA210BIRSWR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that INA210BIRSWR meets industry standards.
7.What is the process for return or replacement of INA210BIRSWR?
All INA210BIRSWR units undergo pre-shipment inspection (PSI). If there is an issue with INA210BIRSWR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The INA210BIRSWR part is unused and in its original packaging.
Return procedure for INA210BIRSWR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
INA210BIRSWR Tags
-
LM358DT
STMicroelectronics
-
LM358DR
Texas Instruments
-
LM2904DR
Texas Instruments
-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments
-
MCP6006T-E/OT
Microchip Technology
-
MCP6006UT-E/OT
Microchip Technology
-
LM324PWR
Texas Instruments
-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments
-
LM358P
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
