My Inquiry
My Account
STMicroelectronics TSC212ICT
- Part No.:
- TSC212ICT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
TSC212ICT.pdf
- Description:
- IC CURR SENSE 1 CIRCUIT SC70-6
- Quantity:
- Payment:
- Shipping:
Inventory:2,691
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TSC212ICT 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 1000 V/V fixed gain, ±1% max gain error, ±35 µV max input offset voltage (25 °C), and operates from 2.7 V to 26 V supply with quiescent current of 100 µA. It supports industrial temperature range (-40 °C to +125 °C) and is used in battery chargers and telecom power management systems.
For engineers reviewing the TSC212ICT datasheet, TSC212ICT pinout, TSC212ICT application, or TSC212ICT equivalent, key selection criteria include its 1000 V/V gain accuracy, ultra-low offset drift (0.1 µV/°C), wide common-mode tolerance, SC70-6 and QFN10 package options, and reference-voltage-controlled output common-mode configuration for bidirectional sensing.
Technical Context
The TSC212ICT employs a proprietary zero-drift chopper-stabilized architecture that actively corrects input offset and 1/f noise, enabling stable DC precision over temperature and time. Its input stage draws bias current from the common-mode rail when Vicm > 2.5 V - a feature enabling operation beyond the supply rail.
Output common-mode voltage is programmable via the REF pin, allowing flexible unidirectional (GND- or VCC-referenced) or bidirectional (mid-supply or asymmetric) configurations. The device maintains ≥105 dB CMRR and 100 kHz bandwidth (TSC212) while supporting full-scale sensing with sub-millivolt differential inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | 1000 V/V - enables precise amplification of mV-level shunt voltages for high-current sensing with minimal Rsense power loss |
| Input Offset Voltage | ±35 µV max at 25 °C - ensures <0.035% error at 1 V output, critical for low-current accuracy |
| Offset Drift | 0.1 µV/°C max - limits total offset shift to <15 µV over -40 °C to +125 °C, preserving calibration stability |
| Common-Mode Range | -0.3 V to +26 V - supports both high-side and low-side shunt placement regardless of supply voltage |
| Supply Voltage | 2.7 V to 26 V - allows direct integration into 3.3 V, 5 V, 12 V, and 24 V power rails without LDO buffering |
| Quiescent Current | 100 µA - enables always-on current monitoring in battery-powered systems with negligible standby drain |
| CMRR | 105 dB min - rejects >99.999% of common-mode interference (e.g., switching noise on 12 V bus) |
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 minor layout differences.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| REF | Reference voltage input | Sets output common-mode level; enables bidirectional sensing when biased at mid-supply (e.g., VCC/2) |
| GND | Ground reference | Analog ground return path; must be low-impedance and separated from power ground for optimal PSRR |
| 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-side of shunt resistor; accepts common-mode up to 26 V independent of VCC |
| VIN− | Inverting input | Connects to low-side of shunt resistor; differential input handles ±26 V max swing |
| OUT | Amplified output | Single-ended output referenced to REF; swing limited to GND+30 mV to VCC–0.2 V (load-dependent) |
| NC | No-connect | Unused pins (SC70-6 Pin 1; QFN10 Pins 7 & 8) - must remain floating or tied to GND/VCC per layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| Zero-drift architecture | Eliminates 1/f noise and long-term offset drift, enabling stable µV-level DC measurements over years of operation |
| Wide common-mode input range | Operates with inputs from -0.3 V to +26 V - supports shunt placement on either side of load without level-shifting circuitry |
| Programmable output common-mode | REF pin accepts external voltage (GND, VCC, or mid-rail) to configure unidirectional or bidirectional current sensing modes |
| High CMRR at high frequency | Maintains >100 dB rejection up to 100 kHz - critical for accurate sensing in noisy switch-mode power supplies |
| Low quiescent current | 100 µA typical - allows continuous current monitoring in energy-constrained applications like portable medical devices |
Applications
| Telecom Power Management | Battery Charger Monitoring |
|---|---|
|
Use Scenario: Real-time current monitoring in 48 V telecom rectifier modules during constant-current and constant-voltage charging phases. IC Role / Device Role / Timing Role: High-side current sense amplifier measuring shunt voltage across 0.5 mΩ resistor; outputs scaled analog signal to MCU ADC. Use Value: Enables ±0.5% full-scale current accuracy over -40 °C to +85 °C, supporting I²C-based thermal derating and fault logging without recalibration. |
Use Scenario: Bidirectional current sensing in USB-C PD 100 W laptop chargers to monitor charge/discharge direction and magnitude. IC Role / Device Role / Timing Role: Unidirectional-to-bidirectional configurable amplifier with REF pin tied to 2.5 V reference; provides polarity-aware output for charge controller feedback. Use Value: Delivers 1000 V/V gain and <15 µV total offset drift over temperature, ensuring <10 mA detection threshold across full operating range. |
| Industrial Motor Drive Protection | Notebook System Power Rail Monitoring |
|
Use Scenario: Overcurrent protection in 24 V BLDC motor drives using low-value shunt in high-side leg of half-bridge. IC Role / Device Role / Timing Role: High-common-mode amplifier interfacing with fast comparator for <1 µs fault response; VIN+ connected to 24 V rail, VIN− to shunt. Use Value: With -0.3 V to 26 V common-mode tolerance and 6 µs slew-limited step response, enables reliable trip detection even during PWM edge transients. |
Use Scenario: Precision current measurement on CPU core voltage rail (0.7–1.3 V) in thin-and-light notebooks. IC Role / Device Role / Timing Role: Low-offset, low-drift amplifier with REF tied to VCC/2, providing bidirectional output for dynamic power budgeting and thermal throttling. Use Value: ±35 µV offset and 0.1 µV/°C drift ensure <0.1% measurement error across ambient and junction temperature shifts during sustained multi-core loads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-gain, zero-drift current sense amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| INA240A1IDR | 100 V/V gain (fixed), 50 µV offset, 2.7–5.5 V supply only | Limited to low-voltage systems; cannot support 12 V/24 V high-side sensing without level shift | Select when supply is ≤5.5 V and gain of 100 suffices; avoid for 24 V telecom or industrial use |
| MAX40056ATA+T | 1000 V/V gain, 50 µV offset, 2.7–5.5 V supply, no REF pin for common-mode control | Unidirectional only; lacks programmable output common-mode for true bidirectional operation | Choose for cost-sensitive, single-direction 5 V systems where REF flexibility is unnecessary |
Compared with INA240A1IDR and MAX40056ATA+T, the TSC212ICT uniquely combines 1000 V/V gain, 26 V common-mode tolerance, and REF-controlled bidirectional capability - making it the only option suitable for high-voltage, polarity-agnostic current monitoring in telecom and industrial power stages.
Availability
TSC212ICT is available at Aetrix Electronics and suitable for telecom equipment, battery chargers, and industrial motor drives requiring stable component supply with guaranteed long-term availability and traceable lot data.
Supply support for TSC212ICT 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 microcontrollers, analog ICs, power management devices, and sensors for industrial, automotive, and consumer markets.
The TSC21x series belongs to ST's precision analog portfolio, engineered specifically for high-accuracy, rail-to-rail common-mode current sensing in demanding power conversion and protection applications.
FAQ
What is the maximum common-mode voltage the TSC212ICT can handle?
The TSC212ICT supports a common-mode input voltage range of -0.3 V to +26 V, independent of supply voltage. This allows direct high-side sensing on 24 V buses without external level-shifting components. Absolute maximum ratings confirm VIN differential up to ±26 V and Vicm up to 26 V, with robust ESD protection (4 kV HBM).
Can the TSC212ICT be used for bidirectional current sensing?
Yes - the REF pin enables true bidirectional operation. When biased at mid-supply (e.g., VCC/2), the output centers at that voltage, allowing positive and negative differential inputs to produce corresponding above- and below-reference outputs. This is validated in the datasheet's bidirectional configuration diagrams and supported across the full -40 °C to +125 °C range.
What package options are available for the TSC212ICT?
The TSC212ICT is offered in two industry-standard packages: SC70-6 (1.6 × 1.6 mm, 0.65 mm pitch) and QFN10 (1.8 × 1.4 mm, 0.5 mm pitch). Both share identical pin functions and electrical specifications; QFN10 provides lower thermal resistance (124 °C/W vs. 232 °C/W) and better high-frequency performance due to reduced parasitic inductance.
How does the TSC212ICT achieve zero-drift performance?
It uses an integrated auto-zeroing chopper architecture that periodically samples and cancels input offset voltage and low-frequency noise. This is implemented via internal switched-capacitor circuitry that modulates the signal path and demodulates the output, eliminating 1/f noise and drift without external components - confirmed by <0.1 µV/°C offset drift and <35 µV max offset over temperature.
TSC212ICT 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:
- 0.5V/µs
- Gain Bandwidth Product:
- 6 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
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-6
TSC212ICT FAQ
1.How can I place an order for TSC212ICT through Aetrix?
Please submit a Request for Quotation (RFQ) for TSC212ICT 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 TSC212ICT reliable?
The price and inventory of TSC212ICT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSC212ICT is usually 5 days.
3.What payment methods are accepted for TSC212ICT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSC212ICT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSC212ICT?
TSC212ICT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSC212ICT 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 TSC212ICT?
For technical support, including TSC212ICT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSC212ICT requirements.
6.How does Aetrix verify that TSC212ICT is sourced from the original manufacturer or authorized distributors?
All TSC212ICT 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 TSC212ICT meets industry standards.
7.What is the process for return or replacement of TSC212ICT?
All TSC212ICT units undergo pre-shipment inspection (PSI). If there is an issue with TSC212ICT, 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 TSC212ICT part is unused and in its original packaging.
Return procedure for TSC212ICT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TSC212ICT 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
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
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…
