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

STMicroelectronics TSC215ICT

Name: TSC215ICT
Brand: STMicroelectronics
SKU: TSC215ICT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TSC215ICT

Manufacturer:: STMicroelectronics

Category:: Instrumentation, Op Amps, Buffer Amps

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

Datasheet:: TSC215ICT.pdf

Description:: IC CURR SENSE 1 CIRCUIT SC70-6

Quantity:: RFQ Add To RFQ list

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Inventory:5,559

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Product details

Overview

TSC215ICT 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 75 V/V fixed gain, ±60 µV max input offset voltage (25 °C), 0.3 µV/°C max offset drift, 2.7–26 V supply range, and –0.3 to +26 V input common-mode voltage - enabling high-side and low-side sensing in battery chargers and telecom power rails.

For engineers reviewing the TSC215ICT datasheet, TSC215ICT pinout, TSC215ICT application, or TSC215ICT equivalent, key selection criteria include its 75 V/V gain accuracy (±1% max), 60 kHz bandwidth, 0.42 V/µs slew rate, 39 nV/√Hz input-referred noise at 1 kHz, and QFN10 (1.8 × 1.4 mm) package compatibility with space-constrained PCB layouts.

Technical Context

The TSC215ICT employs a proprietary zero-drift chopper-stabilized architecture with thin-film resistors to achieve ultra-low offset drift (0.1 µV/°C typ.) and high CMRR (100–120 dB over –40 to 125 °C). Its input stage operates independently of supply rail, allowing input common-mode voltage up to 26 V even when V_CC = 2.7 V.

Output common-mode level is programmable via the REF pin, supporting unidirectional (GND- or V_CC-referenced) and bidirectional (mid-rail referenced) configurations. The device draws only 100 µA quiescent current and sustains stable operation with capacitive loads up to 470 pF.

Key Specifications

Parameter	Value and Actual Design Meaning
Gain	75 V/V - fixed ratio enabling precise scaling of shunt voltage to measurable output range
Input Offset Voltage	±60 µV max (25 °C) - ensures ≤0.8 mV error at full-scale 10.7 mV shunt drop
Offset Drift	0.1 µV/°C max - contributes <15 µV error across –40 to 125 °C industrial temperature range
Common-Mode Range	–0.3 V to +26 V - supports direct high-side sensing on 24 V bus without level-shifting
Supply Voltage	2.7 V to 26 V - single-supply operation compatible with Li-ion battery packs and 24 V industrial rails
Bandwidth	60 kHz - sufficient for DC–10 kHz current monitoring in switched-mode power supplies
Quiescent Current	100 µA - enables always-on current monitoring in energy-sensitive applications

Pinout & Package

Package: QFN10 (1.8 mm × 1.4 mm, 0.5 mm pitch, exposed thermal pad).

Pin/Terminal	Circuit Role	Design Meaning
1 (OUT)	Amplified output voltage	Delivers gain-scaled shunt voltage; rail-to-rail swing (V_CC–0.05 V / 30 mV above GND)
2,3 (VIN+)	Non-inverting input	Connects to high-side of shunt resistor; accepts common-mode up to +26 V
4,5 (VIN–)	Inverting input	Connects to low-side of shunt resistor; differential input handles ±26 V max
6 (VCC)	Positive supply	Power source for internal circuitry; also used as reference in unidirectional mode
7 (NC)	No connect	Internally unused; must be left floating or tied to GND/V_CC per layout guidelines
8 (REF)	Reference voltage input	Sets output common-mode; enables bidirectional operation when biased at mid-rail
9 (GND)	Analog ground	Return path for input bias currents and output load; requires low-impedance connection
10 (NC)	No connect	Internally unused; must be left floating or tied to GND/V_CC

Key Features

Feature	Design Value
Zero-drift architecture	Eliminates 1/f noise and long-term offset drift, enabling stable DC current measurement over time and temperature
Extended common-mode range	–0.3 V to +26 V independent of V_CC, permitting direct high-side sensing on 24 V systems without auxiliary supplies
Programmable output common-mode	REF pin allows flexible unidirectional (GND/V_CC) or bidirectional (mid-rail) configurations for analog-to-digital interface optimization
Low quiescent power	100 µA I_CC enables continuous current monitoring in battery-backed or energy-harvesting systems
High CMRR & PSRR	100–120 dB CMRR and 10 µV/V PSRR suppress noise from noisy power rails and shared ground paths

Applications

Battery Charger Monitoring

Industrial 24 V Power Rail Sensing

Use Scenario: Real-time charge/discharge current measurement in 12–24 V Li-ion battery chargers with ±5 A range.

IC Role / Device Role / Timing Role: High-side current sense amplifier converting mV-level shunt voltage to 0–3.75 V output for ADC sampling.

Use Value: 75 V/V gain and ±60 µV offset enable ±1.2% full-scale accuracy at 1 A, supporting JEITA-compliant charge control.

Use Scenario: Overcurrent protection and load monitoring in programmable 24 V industrial power supplies.

IC Role / Device Role / Timing Role: Low-drift current monitor feeding fast comparator or microcontroller ADC for fault detection.

Use Value: 60 kHz bandwidth and 0.42 V/µs slew rate support sub-20 µs response to 10 A step faults, meeting IEC 61000-4-5 surge immunity timing.

Telecom DC-DC Module Feedback

Notebook System Power Management

Use Scenario: Output current telemetry in 48 V to 12 V intermediate bus converters for remote system health reporting.

IC Role / Device Role / Timing Role: Precision current sense amplifier interfaced to isolated digital interface (e.g., I²C via isolator) for telemetry.

Use Value: 0.1 µV/°C offset drift ensures <0.5% current reading error across –20 to 70 °C ambient, critical for predictive maintenance algorithms.

Use Scenario: CPU/GPU rail current monitoring in ultrabooks with dual 12 V/5 V power stages and dynamic voltage scaling.

IC Role / Device Role / Timing Role: Dual-channel current sense (TSC215ICT + companion) providing real-time rail efficiency feedback to PMIC.

Use Value: QFN10 footprint and 1.8 × 1.4 mm size allow placement adjacent to VRM outputs, minimizing parasitic inductance and noise coupling.

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	Gain = 200 V/V, wider supply (2.7–5.5 V), lower offset (±5 µV), but limited common-mode (–4 to 80 V)	Requires external level-shifting for >5.5 V common-mode; better for low-voltage precision, not direct 24 V high-side replacement	Select if operating below 5.5 V supply and highest offset performance is required; not suitable for direct 24 V high-side use without redesign.
TSC214ICT	Gain = 100 V/V, same package and specs otherwise; ±60 µV offset, identical temp range and CMVR	Higher gain yields larger output for same shunt voltage - useful when ADC input range exceeds 3.75 V or noise margin is critical	Choose when higher output signal improves SNR against ADC quantization noise or when existing 10 mΩ shunt gives insufficient headroom at 75 V/V.

Compared with INA240A1IDR, TSC215ICT delivers native 24 V high-side capability without external components but trades 55 µV offset for robustness; versus TSC214ICT, it reduces output swing by 25% for equivalent shunt voltage - easing ADC full-scale alignment in constrained 3.3 V systems.

Availability

TSC215ICT is available at Aetrix Electronics and suitable for battery chargers, industrial 24 V power rails, and telecom DC-DC modules requiring stable component supply across extended temperature and voltage ranges.

Supply support for TSC215ICT 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 analog, power, and microcontroller solutions 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 power conversion and battery management systems where zero-drift stability is critical.

FAQ

Can TSC215ICT operate with V_CC = 3.3 V while sensing a 24 V common-mode voltage?

Yes. The TSC215ICT's input stage is powered independently from the common-mode rail when V_ICM > 2.5 V, allowing full functionality with V_CC = 3.3 V and V_ICM = 24 V. Input bias current increases linearly with V_ICM, reaching ~35 µA at 24 V, which must be accounted for in shunt error budget.

What is the recommended decoupling for the REF pin in bidirectional mode?

A minimum 1 nF ceramic capacitor from REF to GND is required to stabilize the reference node and suppress noise coupling. For ADC interfaces, adding a 100 nF parallel capacitor improves high-frequency filtering; avoid series resistance unless buffering with a rail-to-rail op-amp like TSB611 to maintain low impedance.

Does TSC215ICT support bidirectional current sensing with a single supply?

Yes. By applying a mid-rail voltage (e.g., V_CC/2) to the REF pin, the output swings symmetrically around that voltage - enabling positive and negative current representation on a single 3.3 V or 5 V supply. The output voltage range remains within V_CC–0.05 V and 30 mV above GND.

How does gain error affect accuracy at 10 A with a 10 mΩ shunt?

With a 10 mΩ shunt, 10 A produces 100 mV differential input. At 75 V/V gain, ideal output = 7.5 V - exceeding typical supply rails. Using 5 mΩ shunt yields 50 mV → 3.75 V output. ±1% gain error introduces ±37.5 mV absolute output error, equivalent to ±0.5 A measurement uncertainty at full scale.

TSC215ICT 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:: 0.42V/µs

Gain Bandwidth Product:: 60 kHz

-3db Bandwidth:: -

Current - Input Bias:: 28 µA

Voltage - Input Offset:: 60 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

TSC215ICT FAQ

1.How can I place an order for TSC215ICT through Aetrix?

Please submit a Request for Quotation (RFQ) for TSC215ICT 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 TSC215ICT reliable?

The price and inventory of TSC215ICT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSC215ICT is usually 5 days.

3.What payment methods are accepted for TSC215ICT?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSC215ICT transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TSC215ICT?

TSC215ICT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TSC215ICT 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 TSC215ICT?

For technical support, including TSC215ICT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSC215ICT requirements.

6.How does Aetrix verify that TSC215ICT is sourced from the original manufacturer or authorized distributors?

All TSC215ICT 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 TSC215ICT meets industry standards.

7.What is the process for return or replacement of TSC215ICT?

All TSC215ICT units undergo pre-shipment inspection (PSI). If there is an issue with TSC215ICT, 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 TSC215ICT part is unused and in its original packaging.

Return procedure for TSC215ICT:

1.Submit a request within 90 days.

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

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