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STMicroelectronics TSC2010IDT
- Part No.:
- TSC2010IDT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TSC2010IDT.pdf
- Description:
- IC CURRENT SENSE 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:975
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Product details
Overview
TSC2010IDT from STMicroelectronics is a precision bidirectional current sense amplifier with 20 V/V fixed gain, -20 to +70 V wide common-mode input range, ±200 µV max offset voltage, and operation from 2.7–5.5 V supply. It enables high-accuracy shunt-based current monitoring in high-side or low-side configurations for industrial motor control feedback loops.
For engineers reviewing the TSC2010IDT datasheet, TSC2010IDT pinout, TSC2010IDT application, or TSC2010IDT equivalent, key selection criteria include its 20 V/V gain accuracy (±0.3%), 5 µV/°C offset drift, SO8 package thermal resistance (125 °C/W), and shutdown quiescent current of 20 µA - all critical for battery-powered instrumentation and overcurrent protection circuits.
Technical Context
The TSC2010IDT employs a precision current-sense architecture with dual reference inputs (VREF1/VREF2) enabling ratiometric output offset adjustment and bidirectional sensing capability. Its input stage operates robustly across -20 V to +70 V common-mode voltage independent of supply rail, supported by CMR ≥85 dB (DC) and PSRR ≥75 dB.
It features active-high shutdown with 5 µs turn-off time and 8 µs turn-on time (VCC = 5 V), integrated output drive capable of ±30 mA sink/source, and stable operation with capacitive loads up to 680 pF - making it suitable for noisy industrial environments with long trace routing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | 20 V/V fixed - sets 120 mV full-scale input to 2.4 V output at VCC = 5 V, enabling direct ADC interfacing without scaling resistors. |
| Offset Voltage | ±200 µV max (RTI) - contributes ≤0.17% error at 120 mV sense range, critical for sub-1% current measurement accuracy. |
| Common-Mode Range | -20 V to +70 V - supports direct sensing on high-side bus rails (e.g., 48 V telecom or 60 V EV subsystems) without level-shifting circuitry. |
| Supply Voltage | 2.7–5.5 V - compatible with both 3.3 V microcontrollers and 5 V legacy systems, simplifying mixed-voltage board design. |
| Bandwidth | 650 kHz typical (-3 dB, RL = 10 kΩ, CL = 100 pF) - sufficient for PWM-based motor current sampling at ≤20 kHz switching frequencies. |
| Quiescent Current | 2.3 mA active / 20 µA shutdown - enables ultra-low-power wake-on-current-detection modes in energy-sensitive applications. |
| Operating Temperature | -40 °C to +125 °C - qualified for under-hood automotive and industrial PLC environments without derating. |
Pinout & Package
Supplied in SO8 package (5.0 × 4.0 × 1.25 mm, 125 °C/W θJ-A), with exposed pad for thermal enhancement. Pinout optimized for noise immunity: IN+ and IN- placed adjacent with guard ring-compatible spacing; VREF1/VREF2 isolated from power pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 IN- | Negative current sense input | Connects to shunt resistor low-side; accepts common-mode down to -20 V - enables true bidirectional sensing below ground. |
| 2 GND | Analog ground reference | Must be star-connected to shunt return and VREF network to avoid ground bounce errors in high-dI/dt systems. |
| 3 VREF2 | Secondary reference voltage input | Used with VREF1 to set output zero point; applying VCC/2 yields symmetric ±2.5 V output swing for bidirectional current. |
| 4 SHDN | Active-high shutdown control | Pulling high disables output stage and reduces ICC to 20 µA; requires clean logic edge to avoid false triggering during ESD events. |
| 5 OUT | Amplified current-sense output | Capable of driving 10 kΩ loads directly; output swing limited to VCC – 15 mV (high) and 26 mV (low) at 0.2 mA load. |
| 6 VCC | Positive supply input | Decoupling capacitor (100 nF X7R) required within 5 mm; sensitive to ripple - PSRR drops to 75 dB above 10 kHz. |
| 7 VREF1 | Primary reference voltage input | Paired with VREF2 to define output offset; parallel connection achieves 0.1% ratiometric accuracy for supply-independent calibration. |
| 8 IN+ | Positive current sense input | Connects to shunt resistor high-side; tolerates +70 V common-mode - eliminates need for external attenuators in 48 V systems. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional sensing with ratiometric offset | VREF1/VREF2 inputs allow precise zero-point setting independent of VCC tolerance - eliminates calibration drift in varying supply conditions. |
| High common-mode rejection | ≥85 dB CMR across -20 V to +70 V range ensures <0.02% error contribution from bus voltage transients in motor phase-leg monitoring. |
| Low temperature drift | 5 µV/°C max offset drift limits total error to <1.2 mV over -40 °C to +125 °C - critical for uncooled industrial enclosures. |
| Stable capacitive drive | Specified performance maintained with up to 680 pF load capacitance - accommodates long PCB traces or scope probe connections without oscillation. |
| Fast shutdown recovery | 8 µs turn-on time (VCC = 5 V) enables cycle-by-cycle current limiting in digital power controllers with ≤125 kHz PWM rates. |
Applications
| Motor Phase Current Monitoring | Solenoid Overcurrent Protection |
|---|---|
|
Use Scenario: Real-time measurement of bidirectional current in BLDC motor phase legs during commutation. IC Role / Device Role / Timing Role: High-side current sense amplifier feeding analog input of STM32G4 ADC with synchronized sampling. Use Value: 20 V/V gain delivers 2.4 V full-scale at 120 mV shunt drop, matching 12-bit ADC reference and minimizing quantization error. |
Use Scenario: Detecting coil short-circuit faults in 24 V solenoid valves used in factory automation manifolds. IC Role / Device Role / Timing Role: Low-side current monitor triggering MCU GPIO interrupt when sensed current exceeds 2.5 A threshold. Use Value: -20 V to +70 V common-mode range allows direct placement on solenoid return path, eliminating isolation components. |
| Data Acquisition Channel | Industrial Process Controller |
|
Use Scenario: Precision 4–20 mA loop transmitter calibration using shunt-based current verification. IC Role / Device Role / Timing Role: Bidirectional amplifier with VREF1/VREF2 set to 1.25 V to generate centered 0–5 V output for DAC-controlled loop current. Use Value: 0.1% ratiometric accuracy ensures calibration stability across 3.3 V supply variations in portable field calibrators. |
Use Scenario: Monitoring heater element current in programmable logic controller (PLC) analog I/O modules. IC Role / Device Role / Timing Role: High-side sense amplifier feeding isolated sigma-delta ADC in DIN-rail mounted I/O card. Use Value: 125 °C max junction temperature rating permits operation in sealed enclosures without forced air cooling. |
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, wider common-mode (-4 to +80 V), higher bandwidth (1.1 MHz), but 50 µV offset (typ) vs. TSC2010's 200 µV (max). | Preferred for high-speed motor control where bandwidth >800 kHz is required; less suited for ultra-low-drift DC monitoring. | Select INA240A1IDR when system-level bandwidth dominates offset drift requirements, especially in servo drives. |
| MAX40056ASA+ | 20 V/V gain, -5 to +65 V common-mode, lower quiescent current (15 µA shutdown), but only SO8 package - no MiniSO8 option. | Better for space-constrained battery-powered devices needing minimal sleep current; lacks TSC2010's extended negative common-mode. | Choose MAX40056ASA+ for portable test equipment requiring lowest possible shutdown current and compact layout. |
Compared with INA240A1IDR and MAX40056ASA+, the TSC2010IDT uniquely balances extended -20 V common-mode capability, guaranteed ±200 µV offset, and SO8/MiniSO8 dual-package availability - making it optimal for industrial systems requiring both negative-rail sensing and production scalability.
Availability
TSC2010IDT is available at Aetrix Electronics and suitable for motor control feedback, solenoid protection, data acquisition channel design, and industrial process controller development requiring stable component supply across automotive-grade temperature ranges.
Supply support for TSC2010IDT 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, microcontroller, power, and sensor solutions for industrial, automotive, and consumer markets.
The TSC2010IDT belongs to ST's high-voltage precision current sense amplifier product line, engineered specifically for accurate, drift-stable shunt-based current measurement in harsh industrial and automotive environments.
FAQ
What is the maximum allowable differential input voltage for the TSC2010IDT?
The absolute maximum differential voltage between IN+ and IN- is 7 V, per Table 2 in DS13057 Rev 8. Exceeding this risks permanent damage to the input ESD structure. For standard operation, the specified Vsense operating range is 122.4–123.6 mV (at VCC = 2.7 V) to maintain ≤0.3% gain error.
Can the TSC2010IDT be used with a single-ended reference instead of dual VREF1/VREF2?
Yes - tying VREF1 and VREF2 together to a single voltage (e.g., 0 V for unidirectional mode or VCC/2 for bidirectional) is explicitly supported. The datasheet confirms ratiometric accuracy of 0.1% when both pins are driven in parallel, and Figure 18–19 validate unidirectional/bidirectional transfer functions under this configuration.
Does the TSC2010IDT require external compensation for stability?
No external compensation is required. The device is internally compensated for unity-gain stability with capacitive loads up to 680 pF, as verified in Figures 28–30 and confirmed in the "Dynamic performances" section. Layout best practices (short IN+/IN- traces, local VCC decoupling) are sufficient for stable operation.
How does the TSC2010IDT handle common-mode transients during motor commutation?
It recovers from 50 V common-mode steps in <2 µs (Figure 44), with <10 mV output perturbation. This is enabled by proprietary input stage topology and 120 dB CMRR at DC, allowing reliable current sampling even during fast IGBT switching events in 3-phase inverters.
TSC2010IDT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Current Sense
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 7.5V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 820 kHz
- Current - Input Bias:
- 350 µA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 1.6mA
- Current - Output / Channel:
- 36 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TSC2010IDT FAQ
1.How can I place an order for TSC2010IDT through Aetrix?
Please submit a Request for Quotation (RFQ) for TSC2010IDT 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 TSC2010IDT reliable?
The price and inventory of TSC2010IDT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSC2010IDT is usually 5 days.
3.What payment methods are accepted for TSC2010IDT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSC2010IDT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSC2010IDT?
TSC2010IDT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSC2010IDT 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 TSC2010IDT?
For technical support, including TSC2010IDT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSC2010IDT requirements.
6.How does Aetrix verify that TSC2010IDT is sourced from the original manufacturer or authorized distributors?
All TSC2010IDT 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 TSC2010IDT meets industry standards.
7.What is the process for return or replacement of TSC2010IDT?
All TSC2010IDT units undergo pre-shipment inspection (PSI). If there is an issue with TSC2010IDT, 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 TSC2010IDT part is unused and in its original packaging.
Return procedure for TSC2010IDT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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