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Home > Products > Integrated Circuits (ICs) > Interface > Specialized

Renesas ZSC31150GEG1-R

Name: ZSC31150GEG1-R
Brand: Renesas
SKU: ZSC31150GEG1-R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ZSC31150GEG1-R

Manufacturer:: Renesas

Category:: Specialized

Package:: 14-SSOP (0.209", 5.30mm Width)

Datasheet:: ZSC31150GEG1-R.pdf

Description:: IC INTERFACE SPECIALIZED 14SSOP

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Product details

Overview

ZSC31150GEG1-R from Integrated Device Technology (IDT) is a CMOS automotive sensor signal conditioner IC designed for high-accuracy amplification and digital correction of bridge sensor outputs. It integrates a 16-bit RISC microcontroller, EEPROM-stored calibration coefficients, analog voltage output (5–95% ratiometric), ZACwire™ one-wire interface, and I²C interface. It supports bridge sensors with up to 420× analog gain, 0.25% FSO accuracy at –25°C to +85°C, and operates from –40°C to +150°C in 14-SSOP package.

For engineers reviewing the ZSC31150GEG1-R datasheet, ZSC31150GEG1-R pinout, ZSC31150GEG1-R application, or ZSC31150GEG1-R equivalent, key selection considerations include its dual digital interface support (I²C + ZACwire™), on-chip temperature compensation using internal/external diodes or thermistors, end-of-line calibration capability, and AEC-Q100 qualification for automotive systems requiring robust signal conditioning under extreme thermal stress.

Technical Context

The ZSC31150GEG1-R implements a fully integrated analog front-end (PGA, ADC, DAC) paired with a dedicated 16-bit RISC microcontroller executing sensor-specific correction algorithms. Its signal path processes differential bridge inputs, performs real-time offset, sensitivity, temperature drift, and nonlinearity compensation, then delivers conditioned output via ratiometric analog voltage or digital interfaces.

It supports configurable excitation modes (voltage or constant-current bridge biasing), selectable temperature sensing sources (internal diode, external diode, thermistor, or bridge resistance TC), and programmable ADC resolution (13–16 bit) with 2nd-order filtering. Startup time is 5 ms, response time as low as 256 µs, and system bandwidth reaches 5 kHz - matching performance of discrete analog signal conditioners while enabling digital configurability.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	4.5 V to 5.5 V - ensures stable operation across automotive battery variations without external regulators.
Analog Output Range	5% to 95% of VDDE - ratiometric voltage output enables direct ADC interfacing with microcontrollers without reference scaling.
Accuracy (FSO)	0.25% at –25°C to +85°C - guaranteed full-scale output error including INL, gain, offset, and temperature effects with 13-bit ADC and 2nd-order correction.
Sample Rate	Up to 7.8 kHz - supports high-dynamic automotive pressure or force sensing with minimal latency.
Operating Temperature	–40°C to +150°C - qualified for under-hood and transmission applications per AEC-Q100 Grade 0 requirements.
Digital Interfaces	I²C (400 kHz) and ZACwire™ one-wire - enables PC-based calibration, field reconfiguration, and diagnostics without additional protocol hardware.
Protection Features	33 V absolute max rating, reverse polarity protection, short-circuit tolerance, and ESD robustness - eliminates need for external TVS or protection diodes in most designs.

Pinout & Package

Package: 14-pin SSOP (5.0 × 6.2 mm, 0.635 mm pitch), wettable flanks not applicable - standard surface-mount footprint compatible with automated optical inspection (AOI) and reflow soldering.

Pin/Terminal	Circuit Role	Design Meaning
1 (VDDA)	Analog supply input	Provides regulated 4.5–5.5 V to analog block; decoupling required for noise-sensitive AFE operation.
2 (VSSA)	Analog ground reference	Separate analog return path prevents digital switching noise from corrupting bridge measurements.
3 (SDA)	I²C data line	Open-drain bidirectional interface for EEPROM programming, coefficient upload, and real-time diagnostics.
4 (SCL)	I²C clock line	Master-driven clock up to 400 kHz; internal pull-up resistor (25–100 kΩ) reduces external component count.
5 (n.c.)	No-connect	Internally unused; must be left floating or tied to GND per layout guidelines to avoid parasitic coupling.
6 (VDD)	Digital core supply	Shares same 4.5–5.5 V rail as VDDA but routed separately to minimize supply coupling between analog/digital domains.
7 (VDDE)	External supply input	Main power input; withstands transients up to ±33 V - enables direct connection to automotive battery rails.
8 (IRTEMP)	Temperature sensor current source	Programmable current sink/source for external diode or thermistor biasing - enables flexible temperature compensation topologies.
9 (VBR_T)	Bridge top input	Differential positive input for Wheatstone bridge; common-mode range scales with PGA gain setting (0.29–0.65 × VDDA).
10 (VBP)	Bridge positive excitation	Voltage-mode bridge bias output; supports ratiometric excitation with precise control over bridge drive level.
11 (VBR_B)	Bridge bottom input	Differential negative input; matched impedance and layout symmetry critical for <10 nA input offset current performance.
12 (VBN)	Bridge negative excitation	Current-mode bridge bias output; delivers up to 2 mA constant current for low-power sensor excitation.
13 (AOUT)	Analog output	Ratiometric voltage output (5–95% VDDE); 12-bit DAC resolution, 2.5 mA drive strength, and 0.1 V/µs slew rate support direct MCU ADC sampling.
14 (VSSE)	Power ground	Common return for VDDE and protection circuitry; isolated from VSSA to maintain analog integrity.

Key Features

Feature	Design Value
Digital compensation engine	On-chip 16-bit RISC microcontroller executes real-time correction of offset, sensitivity, temperature drift, and nonlinearity using EEPROM-stored coefficients - eliminates manual trimming and laser calibration.
Multi-sensor compatibility	Configurable PGA gain (up to 420×), XZC offset compensation, and excitation mode selection (voltage/current) enable use with strain gauges, pressure sensors, load cells, and torque sensors without hardware changes.
Temperature compensation flexibility	Supports internal diode, external diode, thermistor, or bridge-resistance-based TC - allows optimal thermal modeling for each sensor type and packaging environment.
End-of-line calibration	I²C and ZACwire™ interfaces permit final calibration after sensor mounting and packaging - compensates for mechanical stress-induced drift and thermal hysteresis unique to assembled modules.
AEC-Q100 Grade 0 qualification	Validated for –40°C to +150°C operation with traceable life testing (5000 h @ 150°C for GLG1 variant) - meets functional safety requirements for powertrain and chassis control systems.

Applications

Automotive Pressure Sensing	Industrial Load Cell Conditioning
Use Scenario: Engine manifold absolute pressure (MAP) or brake fluid pressure monitoring in harsh under-hood environments. IC Role / Device Role / Timing Role: Primary signal conditioner performing real-time bridge amplification, temperature-compensated linearization, and ratiometric analog output generation synchronized to engine control unit sampling. Use Value: Enables single-chip replacement of discrete op-amp + microcontroller + EEPROM solutions, reducing BOM count by >60% while maintaining 0.25% FSO accuracy across –40°C to +150°C.	Use Scenario: High-precision weighing in factory automation systems exposed to wide ambient temperature swings. IC Role / Device Role / Timing Role: Sensor-specific correction engine that applies calibrated polynomial compensation to strain gauge outputs, delivering stable 12.4-bit analog output for PLC analog input modules. Use Value: Eliminates need for external temperature sensors and trimming resistors; supports field recalibration via I²C to maintain accuracy after mechanical shock or long-term drift.
Electric Power Steering Torque Sensing	Medical Force Transducer Interface
Use Scenario: Torque measurement in EPS motor assemblies where space constraints and thermal gradients demand compact, self-contained signal conditioning. IC Role / Device Role / Timing Role: Dual-role device providing both analog output for real-time motor control loops and ZACwire™ interface for diagnostic logging and firmware updates during vehicle service. Use Value: Reduces PCB area by 40% vs. discrete solutions; built-in short-circuit and reverse-polarity protection avoids fuse or diode placement in tight EPS module layouts.	Use Scenario: Biocompatible force transducers in surgical robotics requiring low-noise, high-linearity signal paths with traceable calibration history. IC Role / Device Role / Timing Role: Medical-grade signal conditioner storing user-defined EEPROM entries (e.g., serial number, calibration date, operator ID) to satisfy FDA 21 CFR Part 11 audit requirements. Use Value: Provides 100k write cycles at ≤85°C and 15-year data retention - exceeds IEC 62304 software lifecycle requirements for Class C medical devices.

Automotive Pressure Sensing

Industrial Load Cell Conditioning

Use Scenario: Engine manifold absolute pressure (MAP) or brake fluid pressure monitoring in harsh under-hood environments.

IC Role / Device Role / Timing Role: Primary signal conditioner performing real-time bridge amplification, temperature-compensated linearization, and ratiometric analog output generation synchronized to engine control unit sampling.

Use Value: Enables single-chip replacement of discrete op-amp + microcontroller + EEPROM solutions, reducing BOM count by >60% while maintaining 0.25% FSO accuracy across –40°C to +150°C.

Use Scenario: High-precision weighing in factory automation systems exposed to wide ambient temperature swings.

IC Role / Device Role / Timing Role: Sensor-specific correction engine that applies calibrated polynomial compensation to strain gauge outputs, delivering stable 12.4-bit analog output for PLC analog input modules.

Use Value: Eliminates need for external temperature sensors and trimming resistors; supports field recalibration via I²C to maintain accuracy after mechanical shock or long-term drift.

Electric Power Steering Torque Sensing

Medical Force Transducer Interface

Use Scenario: Torque measurement in EPS motor assemblies where space constraints and thermal gradients demand compact, self-contained signal conditioning.

IC Role / Device Role / Timing Role: Dual-role device providing both analog output for real-time motor control loops and ZACwire™ interface for diagnostic logging and firmware updates during vehicle service.

Use Value: Reduces PCB area by 40% vs. discrete solutions; built-in short-circuit and reverse-polarity protection avoids fuse or diode placement in tight EPS module layouts.

Use Scenario: Biocompatible force transducers in surgical robotics requiring low-noise, high-linearity signal paths with traceable calibration history.

IC Role / Device Role / Timing Role: Medical-grade signal conditioner storing user-defined EEPROM entries (e.g., serial number, calibration date, operator ID) to satisfy FDA 21 CFR Part 11 audit requirements.

Use Value: Provides 100k write cycles at ≤85°C and 15-year data retention - exceeds IEC 62304 software lifecycle requirements for Class C medical devices.

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	Fixed 16-bit sigma-delta ADC, no integrated microcontroller; requires external EEPROM and host processor for compensation math.	Limited to lab calibration; lacks ZACwire™ or real-time digital diagnostics; no AEC-Q100 qualification.	Choose when cost sensitivity outweighs automotive qualification needs and system already includes a host MCU for algorithm execution.
AD8555ARZ	Analog-only auto-zero amplifier with programmable gain and offset; no digital interface, EEPROM, or temperature compensation logic.	Requires external temperature sensor, ADC, and microcontroller; cannot perform end-of-line calibration.	Prefer for simple, low-bandwidth industrial sensors where digital configurability and automotive reliability are unnecessary.

Compared with MAX1452ACM+T and AD8555ARZ, the ZSC31150GEG1-R delivers complete signal chain integration - combining PGA, ADC, DAC, microcontroller, EEPROM, and dual digital interfaces in one AEC-Q100-qualified package - enabling drop-in replacement of multi-chip solutions while supporting post-assembly calibration and diagnostics.

Availability

ZSC31150GEG1-R is available at Aetrix Electronics and suitable for automotive pressure sensing, electric power steering torque monitoring, industrial load cell conditioning, and medical force transducer interfacing requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for ZSC31150GEG1-R 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

Integrated Device Technology (IDT), now part of Renesas Electronics, is a fabless semiconductor company specializing in timing, memory interface, RF, and sensor signal conditioning ICs for automotive, industrial, and communications markets.

The ZSC31150 product line was designed specifically for high-reliability automotive sensor interfacing - integrating precision analog front-ends with embedded digital correction to replace legacy discrete signal conditioning architectures in safety-critical systems.

FAQ

What is the maximum operating temperature supported by the ZSC31150GEG1-R?

The ZSC31150GEG1-R is rated for continuous operation from –40°C to +150°C and is AEC-Q100 Grade 0 qualified. This extended temperature range is validated for under-hood automotive applications such as engine oil pressure or exhaust gas recirculation (EGR) valve position sensing, where sustained exposure to thermal stress is expected. The device maintains 0.5% FSO accuracy across –40°C to +125°C and 1.0% FSO up to +150°C.

Does the ZSC31150GEG1-R support both voltage-mode and current-mode bridge excitation?

Yes, the ZSC31150GEG1-R supports both excitation methods: Pin 10 (VBP) provides ratiometric voltage-mode excitation, while Pin 12 (VBN) delivers constant-current excitation up to 2 mA. This dual-mode capability allows optimization for different bridge sensor types - voltage mode for high-impedance sensors and current mode for low-power or low-resistance bridges - all configured via EEPROM registers without hardware changes.

How does the ZSC31150GEG1-R handle temperature compensation without an external sensor?

The ZSC31150GEG1-R includes an internal temperature-sensing diode (TS) that provides raw thermal data for compensation algorithms. When enabled, this internal sensor eliminates the need for external components while delivering 700–2700 ppm/°C sensitivity. Calibration coefficients for internal TS are stored in EEPROM alongside sensor-specific parameters, enabling fully self-contained temperature compensation for applications where board space or cost precludes adding discrete thermal sensors.

Can the ZSC31150GEG1-R be calibrated after PCB assembly?

Yes, the ZSC31150GEG1-R supports end-of-line calibration via its I²C or ZACwire™ interface. This allows final coefficient programming after sensor mounting and mechanical packaging - correcting for stress-induced zero-shift, thermal hysteresis, and assembly-related nonlinearity. The on-chip EEPROM retains up to 100k write cycles at ≤85°C and guarantees 15-year data retention, making it suitable for field recalibration in service centers.

What protection features are integrated into the ZSC31150GEG1-R?

The ZSC31150GEG1-R integrates high-voltage protection (±33 V absolute max on VDDE and AOUT), reverse-polarity protection, short-circuit tolerant outputs (±25 mA), and robust ESD immunity. These features eliminate the need for external TVS diodes, series resistors, or reverse-blocking diodes in most automotive and industrial designs - simplifying layout, reducing BOM count, and improving system-level reliability without compromising signal integrity.

ZSC31150GEG1-R Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Series:: -

Package/Case:: 14-SSOP (0.209", 5.30mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Applications:: Sensor Signal Conditioner - Resistive

Interface:: I2C, ZACwire™

Voltage - Supply:: 4.5V ~ 5.5V

Supplier Device Package:: 14-SSOP

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

ZSC31150GEG1-R FAQ

1.How can I place an order for ZSC31150GEG1-R through Aetrix?

Please submit a Request for Quotation (RFQ) for ZSC31150GEG1-R 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 ZSC31150GEG1-R reliable?

The price and inventory of ZSC31150GEG1-R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSC31150GEG1-R is usually 5 days.

3.What payment methods are accepted for ZSC31150GEG1-R?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSC31150GEG1-R transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ZSC31150GEG1-R?

ZSC31150GEG1-R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ZSC31150GEG1-R 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 ZSC31150GEG1-R?

For technical support, including ZSC31150GEG1-R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSC31150GEG1-R requirements.

6.How does Aetrix verify that ZSC31150GEG1-R is sourced from the original manufacturer or authorized distributors?

All ZSC31150GEG1-R 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 ZSC31150GEG1-R meets industry standards.

7.What is the process for return or replacement of ZSC31150GEG1-R?

All ZSC31150GEG1-R units undergo pre-shipment inspection (PSI). If there is an issue with ZSC31150GEG1-R, 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 ZSC31150GEG1-R part is unused and in its original packaging.

Return procedure for ZSC31150GEG1-R:

1.Submit a request within 90 days.

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

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