STMicroelectronics TSC210IQT
- Part No.:
- TSC210IQT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 10-WFQFN
- Datasheet:
-
TSC210IQT.pdf
- Description:
- LOW / HIGH SIDE BIDIRECTIONAL, Z
- Quantity:
- Payment:

- Shipping:

Inventory:2,480
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Product details
Overview
TSC210IQT from STMicroelectronics is a zero-drift, high-precision current sense amplifier optimized for bidirectional or unidirectional shunt-based current measurement across -0.3 V to +26 V common-mode voltage range. It delivers 200 V/V fixed gain, ±35 µV max offset voltage at 25 °C, ±1% max gain error, and operates from 2.7 V to 26 V supply with quiescent current of 100 µA. It is used in battery charger feedback loops and telecom power rail monitoring where high CMRR (105–140 dB) and low drift (0.1 µV/°C) are critical.
For engineers reviewing the TSC210IQT datasheet, TSC210IQT pinout, TSC210IQT application, or TSC210IQT equivalent, key selection criteria include input offset stability over temperature, common-mode voltage tolerance beyond supply rails, output swing capability near rail, reference-voltage programmable operation mode (unidirectional/bidirectional), and QFN10 vs SC70-6 package compatibility with PCB layout constraints.
Technical Context
The TSC210IQT employs a proprietary zero-drift chopper-stabilized architecture with thin-film resistors to achieve <±35 µV input offset and <0.1 µV/°C drift - enabling accurate current sensing even under thermal stress. Its input stage draws bias current from the common-mode rail when Vicm > 2.5 V, allowing operation with inputs exceeding VCC.
Output common-mode voltage is externally set via the REF pin, supporting ground-referenced (unidirectional), VCC-referenced (unidirectional), or mid-supply-referenced (bidirectional) configurations. Gain is fixed at 200 V/V, with internal resistor network (R1/R2 = 1 MΩ/5 kΩ) ensuring ±1% gain error and 20 ppm/°C gain drift over -40 °C to +125 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | 200 V/V - fixed ratio; converts 1 mV shunt drop to 200 mV output, enabling precise low-side/high-side current detection with minimal signal conditioning. |
| Input Offset Voltage | ±35 µV max at 25 °C - ensures ≤0.175% full-scale error for 20 mV sense voltage, critical for sub-amp current resolution. |
| Common-Mode Range | -0.3 V to +26 V - supports direct connection to battery terminals or 24 V industrial rails without level-shifting circuitry. |
| Supply Voltage Range | 2.7 V to 26 V - allows single-supply operation across wide-input DC-DC converters and automotive systems. |
| Quiescent Current | 100 µA - enables always-on current monitoring in battery-powered equipment with negligible standby drain. |
| CMRR | 105–140 dB - rejects noise from noisy power rails (e.g., switching regulators), preserving accuracy in telecom and industrial SMPS. |
| Operating Temperature | -40 °C to +125 °C - qualified for under-hood automotive, industrial motor drives, and base station power modules. |
Pinout & Package
Available in QFN10 (1.8 mm × 1.4 mm, 0.5 mm pitch) and SC70-6 packages. QFN10 offers superior thermal performance (RthJA = 124 °C/W) and space efficiency for high-density power management PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT | Amplified output | Delivers gain-scaled voltage proportional to shunt differential; rail-to-rail swing (VCC−0.05 V / 30 mV above GND) enables direct ADC interfacing. |
| VIN+ | Non-inverting input | Connects to high-side of shunt; accepts common-mode voltages up to +26 V independent of VCC. |
| VIN− | Inverting input | Connects to low-side of shunt; matched with VIN+ for high CMRR; input bias current ≤35 µA minimizes shunt error. |
| REF | Reference voltage input | Sets output common-mode level: grounded → unidirectional low-side; VCC → unidirectional high-side; mid-rail → bidirectional sensing. |
| GND | Analog ground | Return path for internal circuitry; must be star-connected to shunt ground to avoid ground-loop errors. |
| VCC | Power supply | Supplies core logic; also powers internal bias when Vicm ≤ 2.5 V; decoupling capacitor required per datasheet. |
| NC | No-connect | Pins 1 & 7 (QFN10) - must remain floating or tied to GND/VCC; no internal connection. |
Key Features
| Feature | Design Value |
|---|---|
| Zero-drift architecture | Eliminates 1/f noise and thermal drift, enabling stable offset performance over time and temperature without calibration. |
| Extended common-mode input | Operates with inputs up to 26 V while powered from as low as 2.7 V - supports high-side sensing in 24 V systems without auxiliary supplies. |
| Programmable output common-mode | REF pin sets output baseline to GND, VCC, or any intermediate voltage - enables flexible unidirectional or bidirectional current direction detection. |
| High PSRR & CMRR | ≥105 dB CMRR and ≥100 dB PSRR suppress noise from switching regulators and shared power rails in dense power modules. |
| Low quiescent current | 100 µA consumption allows integration into always-on battery fuel gauging and smart fuse monitoring circuits. |
Applications
| Telecom Power Monitoring | Notebook Battery Charging |
|---|---|
|
Use Scenario: Real-time current monitoring on +48 V DC distribution boards in 5G base stations. IC Role / Device Role / Timing Role: High-side current sense amplifier measuring load current through 1 mΩ shunt, rejecting 48 V rail noise. Use Value: Enables accurate power budgeting and overcurrent shutdown with <±0.5% total error across -40 °C to +85 °C ambient. |
Use Scenario: Bidirectional current sensing in USB-C PD fast-charging circuits for Li-ion battery packs. IC Role / Device Role / Timing Role: Unidirectional/bidirectional amplifier configured with REF at VCC/2 to detect charge/discharge direction and magnitude. Use Value: Supports ±1 A sensing range with <10 µA offset contribution, meeting USB-IF precision requirements for state-of-charge estimation. |
| Industrial Motor Drive Protection | Battery Management System (BMS) |
|
Use Scenario: Phase current sensing in 24 V BLDC motor controllers for HVAC and robotics. IC Role / Device Role / Timing Role: Low-side current amplifier placed between motor H-bridge and ground, operating at 125 °C junction temperature. Use Value: Delivers stable 200× gain with <0.1 µV/°C drift, enabling reliable overcurrent trip within 100 ns response time. |
Use Scenario: Cell-string current monitoring in 12S lithium iron phosphate (LFP) battery packs for energy storage systems. IC Role / Device Role / Timing Role: High-accuracy shunt amplifier interfaced to 16-bit delta-sigma ADC, referenced to isolated VREF. Use Value: Achieves <0.01% linearity error and 40 nV/√Hz input noise, supporting Coulomb counting accuracy better than ±0.5% SOC. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar current sense amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| INA240A1QDRQ1 | 500 V/V gain, ±10 µV offset, 2.7–5.5 V supply only - lacks extended common-mode range beyond VCC. | Restricted to low-voltage systems (<6 V); unsuitable for 24 V telecom or industrial high-side sensing. | Select when ultra-low offset dominates and common-mode stays within supply rails. |
| MAX40056ATA+T | 100 V/V gain, ±50 µV offset, -0.2 V to +65 V common-mode, but 1.7 mA quiescent current - 17× higher than TSC210IQT. | Acceptable for high-accuracy 48 V systems but incompatible with battery-powered always-on monitoring due to power draw. | Select when absolute common-mode range >60 V is mandatory and power budget permits. |
Compared with INA240A1QDRQ1 and MAX40056ATA+T, the TSC210IQT uniquely balances ultra-low drift (0.1 µV/°C), rail-exceeding common-mode tolerance (-0.3 V to +26 V), and micro-power operation (100 µA) - making it optimal for thermally demanding, wide-input industrial and telecom power monitoring where both precision and efficiency are non-negotiable.
Availability
TSC210IQT is available at Aetrix Electronics and suitable for telecom power distribution, notebook battery charging, and industrial motor drive protection requiring stable component supply across extended temperature and voltage ranges.
Supply support for TSC210IQT 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing analog, MCU, power, and sensor solutions for industrial, automotive, and consumer markets.
The TSC210IQT belongs to ST's precision current sense amplifier product line, engineered specifically for high-accuracy, wide common-mode, zero-drift current measurement in power-constrained and thermally aggressive environments.
FAQ
Can the TSC210IQT operate with input common-mode voltage higher than its VCC supply?
Yes - the TSC210IQT is explicitly designed to accept common-mode voltages from -0.3 V to +26 V regardless of VCC, which may be as low as 2.7 V. When Vicm > 2.5 V, internal circuitry draws bias current from the common-mode rail itself, eliminating need for level-shifters or auxiliary supplies in high-side sensing.
How does the REF pin affect bidirectional current measurement?
The REF pin sets the output's quiescent voltage: grounding REF yields 0 V output at zero current (unidirectional); connecting REF to VCC yields VCC output at zero current; applying VCC/2 yields mid-rail output, enabling symmetric positive/negative output swing for bidirectional current flow - essential for battery charge/discharge monitoring.
What is the maximum capacitive load the TSC210IQT can drive without instability?
The TSC210IQT is stable with up to 470 pF capacitive load on the OUT pin, as verified in electrical characteristics testing. For heavier loads or long PCB traces, a series 10 Ω resistor should be added close to the output pin to maintain phase margin and prevent oscillation during transient events.
Does the TSC210IQT require external calibration to achieve its specified offset accuracy?
No - the ±35 µV max offset and 0.1 µV/°C drift are guaranteed over temperature and process variation without user calibration. The zero-drift architecture auto-corrects offset in real time, making it suitable for factory-calibration-free designs such as portable medical devices and industrial sensors.
TSC210IQT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 10-WFQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Current Sense
- Number of Circuits:
- 1
- Output Type:
- Push-Pull
- Slew Rate:
- 0.2V/µs
- Gain Bandwidth Product:
- 25 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 28 µA
- Voltage - Input Offset:
- 35 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 (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 10-QFN (1.8x1.4)
TSC210IQT FAQ
1.How can I place an order for TSC210IQT through Aetrix?
Please submit a Request for Quotation (RFQ) for TSC210IQT 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 TSC210IQT reliable?
The price and inventory of TSC210IQT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSC210IQT is usually 5 days.
3.What payment methods are accepted for TSC210IQT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSC210IQT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSC210IQT?
TSC210IQT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSC210IQT 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 TSC210IQT?
For technical support, including TSC210IQT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSC210IQT requirements.
6.How does Aetrix verify that TSC210IQT is sourced from the original manufacturer or authorized distributors?
All TSC210IQT 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 TSC210IQT meets industry standards.
7.What is the process for return or replacement of TSC210IQT?
All TSC210IQT units undergo pre-shipment inspection (PSI). If there is an issue with TSC210IQT, 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 TSC210IQT part is unused and in its original packaging.
Return procedure for TSC210IQT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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