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Renesas ZSC31050FEG1-T
- Part No.:
- ZSC31050FEG1-T
- Manufacturer:
- Renesas
- Category:
- Specialized
- Package:
- 16-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
ZSC31050FEG1-T.pdf
- Description:
- SSOP / 16 / 5,3MM G1 - TUBE
- Quantity:
- Payment:
- Shipping:
Inventory:2,554
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Product details
Overview
ZSC31050FEG1-T from Renesas Electronics is a CMOS-based differential sensor signal conditioner IC designed for high-accuracy amplification and digital correction of resistive bridge sensors (e.g., pressure, force, torque) and temperature signals. It integrates a 16-bit RISC microcontroller executing polynomial compensation for offset, sensitivity, temperature drift, and nonlinearity, delivering ±0.1% FSO accuracy from –25°C to 85°C with ratiometric 4.5–5.5 V supply and 2.5 mA typical current consumption.
For engineers reviewing the ZSC31050FEG1-T datasheet, ZSC31050FEG1-T pinout, ZSC31050FEG1-T application, or ZSC31050FEG1-T equivalent, this page provides verified technical context, calibrated output options (0–5 V, 4–20 mA, PWM, I²C, SPI, ZACwire™), AEC-Q100 Grade 0 qualification, and confirmed 16-SSOP package mapping - all critical for industrial transmitters, medical sensors, and automotive oil pressure modules.
Technical Context
The ZSC31050FEG1-T implements a dual-path analog front-end with programmable gain amplifier (PGA) supporting input spans from 2 mV/V to 280 mV/V and common-mode range of 0.21–0.76 × VADC_REF. Its ADC supports 9–15-bit resolution at up to 3.9 kHz sampling rate, configurable for 1st- or 2nd-order conversion, with inherent INL ≤4 LSB and DNL ≤0.95 LSB at analog output.
Digital correction is executed by an on-chip calibration microcontroller (CMC) using ROM-stored polynomial algorithms and EEPROM-programmed sensor-specific coefficients. Temperature compensation sources include internal diode, external thermistor, or separate temperature sensor via IR_TEMP pin - enabling end-of-line calibration via ZACwire™ one-wire interface without external trimming components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Accuracy | ±0.1% FSO @ –25 to 85°C; enables high-fidelity pressure/force measurement without post-calibration trimming |
| Output Options | Voltage (0–5 V), current (4–20 mA), PWM (9–12 bit), I²C/SPI/ZACwire™ - supports both analog loop integration and digital sensor networks |
| ADC Resolution | 9–15 bits, selectable; 13-bit typical for 115 Hz cycle rate - balances precision and real-time response in industrial automation |
| Supply Voltage | 2.7–5.5 V (ratiometric mode); extended 5–48 V with external JFET - accommodates 4–20 mA transmitter and automotive 12 V systems |
| Operating Temp | –40°C to +125°C (Grade A); AEC-Q100 qualified - validated for under-hood automotive and factory-floor environments |
| Current Draw | 2.5 mA typical (no bridge/load); enables battery-powered portable devices like blood pressure monitors |
| Bridge Support | Resistive bridges 3–25 kΩ; signal span 1–275 mV/V - compatible with ceramic thick-film, steel membrane, and piezo-resistive sensors |
Pinout & Package
Package: 16-pin SSOP (Small Outline Package), 150 mil width, 0.65 mm pitch, RoHS-compliant - suitable for automated SMT assembly and space-constrained sensor modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VINP / VINN | Differential bridge sensor inputs | Accepts full-scale bridge outputs from 2 to 280 mV/V; supports common-mode range 0.21–0.76 × VADC_REF |
| IR_TEMP | External temperature sensor input | Connects to thermistor or diode; bias current 8–40 µA enables precise thermal compensation independent of bridge |
| OUT / OWI | Flexible output / ZACwire™ interface | Configurable as analog voltage/current, PWM, or one-wire serial - enables end-of-line calibration without PC connection |
| IO1 / IO2 | Secondary flexible I/O pins | Support PWM1/PWM2, alarm outputs, SPI slave select, or digital I/O - expands system-level fault signaling and multi-sensor synchronization |
| SCL / SDA | I²C serial interface | Standard 400 kHz bus; supports PC-controlled one-pass calibration and coefficient programming into on-chip EEPROM |
| FIO1 / FIO2 | Flexible I/O control terminals | Configure PGA gain, excitation mode (ratiometric/constant voltage/current), and CMC operation - enables hardware-based sensor adaptation |
Key Features
| Feature | Design Value |
|---|---|
| Digital polynomial compensation | Corrects offset, sensitivity, temp drift, and nonlinearity in real time using EEPROM-stored coefficients - eliminates laser trimming and reduces BOM cost |
| Selectable temperature source | Internal diode, external thermistor, or bridge-based sensing - allows optimal thermal reference selection per mechanical layout and accuracy target |
| ZACwire™ one-wire interface | Enables end-of-line calibration with single wire and pull-up resistor - simplifies final test setup and avoids rework on assembled modules |
| Adjustable resolution vs. speed | 15-bit @ 977 Hz or 9-bit @ 1302 Hz - lets designers trade resolution for update rate in dynamic applications like altimeters or flow meters |
| Sensor aging detection | Monitors bridge connection integrity and common-mode shift - provides early warning of mechanical degradation in long-life industrial sensors |
Applications
| Industrial 4–20 mA Transmitters | Automotive Oil Pressure Sensing |
|---|---|
Use Scenario: High-reliability analog output for process control loops in chemical plants and water treatment facilities. IC Role / Device Role / Timing Role: Signal conditioner and digital compensator - converts mV/V bridge output to ratiometric 4–20 mA with <0.25% FSO error over –40°C to 125°C. Use Value: Eliminates external op-amps, DACs, and trim pots; AEC-Q100 qualification ensures robustness in harsh EMI environments. | Use Scenario: Direct-mount oil pressure monitoring in engine bays with wide thermal cycling. IC Role / Device Role / Timing Role: Bridge signal conditioner with integrated temperature compensation - uses internal diode and 2nd-order ADC to maintain accuracy across –40°C to 150°C de-rated range. Use Value: Meets automotive functional safety requirements without external thermal sensors; ZACwire™ enables calibration after module sealing. |
| Medical Blood Pressure Monitors | Consumer Weight Scales |
Use Scenario: Portable, battery-operated sphygmomanometers requiring low power and clinical-grade accuracy. IC Role / Device Role / Timing Role: Low-noise analog front-end and digital corrector - delivers 3 mVRMS analog output noise and 2.5 mA typical supply current. Use Value: Enables >100-hour battery life with 0.1% FSO accuracy; PWM output option supports simple MCU-based display drivers. | Use Scenario: High-volume home weight scales using steel membrane strain gauges. IC Role / Device Role / Timing Role: Digital sensor mated to bridge - performs one-pass PC calibration to store coefficients, then operates autonomously with no external components. Use Value: Reduces calibration labor by >70%; 16-SSOP package fits compact PCB layouts while supporting 3–25 kΩ bridge impedances. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar sensor signal conditioning applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX1452ACM+T | 12-bit DAC, fixed 2.5 V reference, no ZACwire™; requires external EEPROM for coefficients | Limited to industrial labs with bench calibration; lacks AEC-Q100 qualification | Choose when legacy MAXIM toolchain is mandated and automotive use is excluded |
| AD7793BRUZ | 24-bit Σ-Δ ADC only; no integrated microcontroller, polynomial engine, or output drivers | Requires external MCU, DAC, and driver circuitry for full signal chain - increases board area and validation effort | Choose only if ultra-high-resolution ADC is primary need and digital correction is handled externally |
Compared with MAX1452ACM+T and AD7793BRUZ, the ZSC31050FEG1-T uniquely integrates correction computation, multiple calibrated outputs, and automotive-qualified operation in a single 16-SSOP package - reducing total system cost and design cycle time for bridge-based sensor modules.
Availability
ZSC31050FEG1-T is available at Aetrix Electronics and suitable for industrial 4–20 mA transmitters, automotive oil pressure sensors, and medical blood pressure monitors requiring stable component supply, long-term lifecycle support, and AEC-Q100 compliance.
Supply support for ZSC31050FEG1-T 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
Renesas Electronics is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The ZSC31050 product line targets high-accuracy resistive bridge sensor conditioning with integrated digital correction - engineered specifically for pressure, force, and torque measurement systems where trimming-free calibration and automotive reliability are mandatory.
FAQ
What is the maximum bridge resistance supported by the ZSC31050FEG1-T?
The ZSC31050FEG1-T supports bridge resistances from 3.0 kΩ to 25.0 kΩ across its full operating temperature range. This range accommodates ceramic thick-film, steel membrane, and piezo-resistive sensors. For current-loop interfaces (4–20 mA), the minimum bridge resistance is 5.0 kΩ. The device also allows external connection between VDDA and VBR to remove the lower resistance limitation.
Does the ZSC31050FEG1-T require external components for basic operation?
No, the ZSC31050FEG1-T operates without external trimming components. It integrates a programmable gain amplifier, 16-bit RISC microcontroller, EEPROM for calibration coefficients, and configurable output drivers. Only two external capacitors (50–470 nF on VDDA and VDD) are required for supply stabilization - eliminating laser trimming, external DACs, op-amps, or discrete compensation networks.
How does the ZACwire™ interface function in the ZSC31050FEG1-T?
The ZACwire™ interface in the ZSC31050FEG1-T is a one-wire serial protocol implemented on the OUT/OWI pin. It enables end-of-line calibration of fully assembled sensor modules using a single master line and 330 Ω pull-up resistor. The interface supports start window timing (20 ms), bit durations (20–100 µs), and load capacitance limits (≤0.08 × tBIT/RPU) - allowing calibration without disassembly or PC connection.
What temperature ranges are guaranteed for the ZSC31050FEG1-T?
The ZSC31050FEG1-T is specified for three ambient temperature grades: TQI (–25°C to +85°C), TQA (–40°C to +125°C), and TQE (–40°C to +150°C, de-rated). The ZSC31050FEG1-T variant is AEC-Q100 Grade 0 qualified, meaning it meets automotive reliability requirements across the –40°C to +125°C range with full functionality and ±0.25% FSO accuracy.
Can the ZSC31050FEG1-T drive a 4–20 mA current loop directly?
Yes, the ZSC31050FEG1-T supports direct 4–20 mA current loop output via its OUT pin when configured in current mode. It requires an external JFET and 5–48 V supply for operation above 5 V. The device delivers 2.0–2.75 mA typical supply current in current-loop mode and maintains ±0.25% FSO accuracy over –40°C to +125°C - validated for 5 V operation and external supplies >7 V per Renesas Application Note.
ZSC31050FEG1-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 16-SSOP (0.209", 5.30mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Applications:
- Sensor Signal Conditioner - Resistive
- Interface:
- I2C, SPI, ZACwire™
- Voltage - Supply:
- 2.7V ~ 5.5V
- Supplier Device Package:
- 16-SSOP
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
ZSC31050FEG1-T FAQ
1.How can I place an order for ZSC31050FEG1-T through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSC31050FEG1-T 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 ZSC31050FEG1-T reliable?
The price and inventory of ZSC31050FEG1-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSC31050FEG1-T is usually 5 days.
3.What payment methods are accepted for ZSC31050FEG1-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSC31050FEG1-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSC31050FEG1-T?
ZSC31050FEG1-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSC31050FEG1-T 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 ZSC31050FEG1-T?
For technical support, including ZSC31050FEG1-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSC31050FEG1-T requirements.
6.How does Aetrix verify that ZSC31050FEG1-T is sourced from the original manufacturer or authorized distributors?
All ZSC31050FEG1-T 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 ZSC31050FEG1-T meets industry standards.
7.What is the process for return or replacement of ZSC31050FEG1-T?
All ZSC31050FEG1-T units undergo pre-shipment inspection (PSI). If there is an issue with ZSC31050FEG1-T, 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 ZSC31050FEG1-T part is unused and in its original packaging.
Return procedure for ZSC31050FEG1-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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