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Home > Products > Integrated Circuits (ICs) > Linear > Instrumentation, Op Amps, Buffer Amps

STMicroelectronics TSC213ICT

Name: TSC213ICT
Brand: STMicroelectronics
SKU: TSC213ICT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TSC213ICT

Manufacturer:: STMicroelectronics

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 6-TSSOP, SC-88, SOT-363

Datasheet:: TSC213ICT.pdf

Description:: IC CURR SENSE 1 CIRCUIT SC70-6

Quantity:: RFQ Add To RFQ list

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Inventory:2,671

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Product details

Overview

TSC213ICT from STMicroelectronics is a zero-drift, high-precision current sense amplifier optimized for bidirectional or unidirectional shunt-based current measurement in industrial and power management systems. It features 50 V/V fixed gain, ±100 µV max input offset voltage (25 °C), 100 kHz bandwidth, -0.3 to +26 V input common-mode range, and operates from 2.7 to 26 V supply across -40 to 125 °C.

For engineers reviewing the TSC213ICT datasheet, TSC213ICT pinout, TSC213ICT application, or TSC213ICT equivalent, key selection criteria include its SC70-6/QFN10 package options, REF-pin programmable output common-mode level, low 100 µA quiescent current, and guaranteed CMRR ≥100 dB over full temperature range - critical for accurate low-side/high-side sensing in battery chargers and telecom power rails.

Technical Context

The TSC213ICT employs a proprietary zero-drift chopper-stabilized architecture with thin-film resistors to achieve <0.3 µV/°C offset drift and 20 ppm/°C gain drift. Its input stage draws bias current from the common-mode rail when Vicm > 2.5 V, enabling operation beyond supply rails.

Output common-mode voltage is set via the REF pin (0–VCC), supporting ground-referenced, VCC-referenced, or mid-rail bidirectional configurations. The device delivers rail-to-rail output swing (VCC−0.05 V / 30 mV above GND) with 470 pF capacitive load stability and 0.85 V/µs slew rate.

Key Specifications

Parameter	Value and Actual Design Meaning
Gain	50 V/V - fixed ratio enabling precise scaling of shunt voltage to measurable output range
Input Offset Voltage	±100 µV max at 25 °C - sets minimum detectable differential voltage across shunt resistor
Common-Mode Range	−0.3 V to +26 V - supports both high-side and low-side sensing without level-shifting circuitry
Supply Voltage	2.7 V to 26 V - enables direct integration into 3.3 V, 5 V, 12 V, and 24 V power rails
Bandwidth	100 kHz - sufficient for DC–10 kHz current monitoring in battery charging and motor control loops
Quiescent Current	100 µA - minimizes system power overhead in always-on monitoring applications
CMRR	≥100 dB over −40 to 125 °C - rejects noise from noisy power bus common-mode transients

Pinout & Package

Available in SC70-6 (1.6 × 1.6 mm) and QFN10 (1.8 × 1.4 mm, 0.5 mm pitch) packages. Both variants support identical pin functions with NC pins unused.

Pin/Terminal	Circuit Role	Design Meaning
REF	Reference voltage input	Sets output common-mode level; determines unidirectional (GND/VCC) or bidirectional (mid-rail) operation
GND	Ground reference	Primary return path for internal circuitry and output stage
VCC	Positive supply	Primary power source; device also draws auxiliary current from Vicm rail when >2.5 V
VIN+	Non-inverting input	Connects to high-potential side of shunt; accepts common-mode up to +26 V
VIN−	Inverting input	Connects to low-potential side of shunt; differential input handles ±26 V max
OUT	Amplified output	Delivers gain × (VIN+ − VIN−) + VREF; rail-to-rail swing supports ADC interfacing
NC	No connect	Unused terminals; may be left floating, tied to GND, or tied to VCC per layout requirements

Key Features

Feature	Design Value
Zero-drift architecture	Enables <0.3 µV/°C offset drift - eliminates thermal-induced measurement drift in industrial environments
Extended common-mode range	−0.3 V to +26 V - allows direct high-side sensing on 24 V bus without external level shifters
REF-pin programmable output	Configurable unidirectional/bidirectional operation - simplifies design reuse across current direction requirements
Low quiescent current	100 µA - supports energy-sensitive applications like portable battery monitors and IoT edge nodes
High CMRR & PSRR	≥100 dB CMRR, ≤10 µV/V PSRR - maintains accuracy in electrically noisy telecom and industrial power supplies

Applications

Battery Charger Monitoring

Telecom Power Rail Sensing

Use Scenario: Real-time charge/discharge current measurement in 12–24 V Li-ion battery chargers with ±1 A to ±10 A range.

IC Role / Device Role / Timing Role: High-side current sense amplifier converting mV shunt drop to 0–2.5 V bidirectional output referenced to VREF = VCC/2.

Use Value: Enables accurate state-of-charge estimation and overcurrent protection with <1% total error across -40 to 125 °C.

Use Scenario: Input/output current monitoring in 48 V intermediate bus converters and PoE injectors.

IC Role / Device Role / Timing Role: Low-drift, high-CMRR amplifier measuring current through 1–10 mΩ shunts on noisy 48 V rails.

Use Value: Maintains >100 dB rejection of switching noise and line transients, ensuring stable feedback in digital power controllers.

Industrial PLC Analog Input Module

Notebook System Power Management

Use Scenario: Precision current measurement for 4–20 mA loop-powered sensors and motor driver feedback in factory automation.

IC Role / Device Role / Timing Role: Unidirectional amplifier (REF = GND) converting shunt voltage to 0–5 V output for SAR ADC digitization.

Use Value: Delivers <0.01% linearity error and ±100 µV offset - meets Class 0.1 accuracy requirements for industrial instrumentation.

Use Scenario: CPU/GPU rail current monitoring in ultrabooks with dynamic 0.5–20 A load profiles.

IC Role / Device Role / Timing Role: Low-quiescent-current (100 µA), fast-slew (0.85 V/µs) amplifier feeding system power manager IC.

Use Value: Enables real-time thermal throttling and battery life optimization without adding measurable system standby loss.

Equivalent & Alternatives

The following parts are listed as comparable options for similar current sense amplifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
INA240A1IDR	20 V/V gain, 50 µV offset, 4 V to 80 V supply, SOIC-8	Higher supply range but fixed lower gain; requires external gain stage for same output scaling as TSC213ICT	Prefer when sensing >26 V rails or needing higher voltage tolerance; avoid if 50 V/V gain and SC70-6 footprint are required
MAX4080TASA+	50 V/V gain, 100 µV offset, 4.5–76 V supply, SOIC-8	Wider supply range and higher ESD rating (8 kV HBM), but 250 µA IQ and no REF-pin flexibility	Choose for harsher environments requiring higher robustness; not suitable for ultra-low-power or REF-programmable designs

Compared with INA240A1IDR and MAX4080TASA+, the TSC213ICT uniquely combines SC70-6 footprint, REF-pin configurability for bidirectional operation, and 100 µA quiescent current - making it optimal for space-constrained, low-power, and flexible current direction sensing in industrial and computing power systems.

Availability

TSC213ICT is available at Aetrix Electronics and suitable for battery chargers, telecom power modules, industrial PLC analog inputs, and notebook power management systems requiring stable component supply, long-term lifecycle support, and guaranteed parametric performance across temperature.

Supply support for TSC213ICT 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, specializing in power management, analog, MEMS, and microcontrollers for industrial, automotive, and consumer markets.

The TSC21x series belongs to ST's precision analog portfolio, designed specifically for high-accuracy, wide common-mode current sensing in demanding power conversion and monitoring applications - emphasizing zero-drift stability, rail-to-rail operation, and flexible output referencing.

FAQ

What is the maximum allowable voltage on the REF pin?

The REF pin voltage must remain within GND − 0.3 V to VCC + 0.3 V. Exceeding this range forward-biases internal ESD diodes, risking damage if current exceeds 5 mA. For mid-rail operation, use a buffered resistive divider or dedicated reference IC like TSB611 to ensure low-impedance drive and stay within limits.

Can TSC213ICT operate with Vicm = 0 V (ground-referenced shunt)?

Yes - the device supports true ground-referenced (low-side) sensing with Vicm down to −0.3 V. When VIN− is connected to GND and VIN+ to shunt high-side, the amplifier accurately measures current flow toward ground with full specified performance, including CMRR ≥100 dB and offset stability.

How does input bias current affect accuracy at high common-mode voltages?

At Vicm > 2.5 V, the TSC213ICT draws ~20 µA from the common-mode rail to power its input stage. This current flows through the shunt, introducing an error proportional to Rshunt × 20 µA. For example, with a 10 mΩ shunt, this adds 0.2 µV offset - negligible vs. ±100 µV spec, but must be included in sub-µV precision designs.

Is the TSC213ICT suitable for bidirectional motor current sensing?

Yes - by setting REF = VCC/2, the output centers at mid-supply (e.g., 2.5 V at 5 V VCC), enabling symmetric ± full-scale current measurement. Combined with 100 kHz bandwidth and 0.85 V/µs slew rate, it supports real-time closed-loop control in brushed DC and stepper motor drivers up to ~10 kHz commutation frequency.

TSC213ICT Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Package/Case:: 6-TSSOP, SC-88, SOT-363

Packaging:: Tape & Reel (TR)

Product Status:: Active

Amplifier Type:: Current Sense

Number of Circuits:: 1

Output Type:: -

Slew Rate:: 0.85V/µs

Gain Bandwidth Product:: -

-3db Bandwidth:: 100 kHz

Current - Input Bias:: 28 µA

Voltage - Input Offset:: 100 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

Supplier Device Package:: SC-70-6

TSC213ICT FAQ

1.How can I place an order for TSC213ICT through Aetrix?

Please submit a Request for Quotation (RFQ) for TSC213ICT 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 TSC213ICT reliable?

The price and inventory of TSC213ICT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSC213ICT is usually 5 days.

3.What payment methods are accepted for TSC213ICT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSC213ICT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TSC213ICT?

TSC213ICT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TSC213ICT 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 TSC213ICT?

For technical support, including TSC213ICT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSC213ICT requirements.

6.How does Aetrix verify that TSC213ICT is sourced from the original manufacturer or authorized distributors?

All TSC213ICT 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 TSC213ICT meets industry standards.

7.What is the process for return or replacement of TSC213ICT?

All TSC213ICT units undergo pre-shipment inspection (PSI). If there is an issue with TSC213ICT, 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 TSC213ICT part is unused and in its original packaging.

Return procedure for TSC213ICT:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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