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

Renesas ZSC31150GEG2-R

Name: ZSC31150GEG2-R
Brand: Renesas
SKU: ZSC31150GEG2-R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ZSC31150GEG2-R

Manufacturer:: Renesas

Category:: Specialized

Package:: -

Datasheet:: ZSC31150GEG2-R.pdf

Description:: IC INTFACE SPECIALIZED SGNL COND

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Product details

Overview

ZSC31150GEG2-R from Integrated Device Technology (IDT) is a CMOS-based 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 (12.4-bit ratiometric), and dual digital interfaces (I²C and ZACwire™). It supports sensor biasing via voltage or constant current, operates from −40°C to +150°C, and delivers 0.5% FSO accuracy across the full automotive temperature range.

For engineers reviewing the ZSC31150GEG2-R datasheet, ZSC31150GEG2-R pinout, ZSC31150GEG2-R application, or ZSC31150GEG2-R equivalent, this page provides verified technical context, validated pin functions, real-world use scenarios in safety-critical automotive systems, and confirmed alternative options with documented functional and packaging differences.

Technical Context

The ZSC31150GEG2-R implements a two-stage analog signal path: a programmable gain amplifier (PGA) with selectable gains up to 420 feeds a 13–16-bit ADC, whose digital output undergoes real-time correction using sensor-specific coefficients stored in on-chip EEPROM. The internal 16-bit RISC microcontroller executes a ROM-resident correction algorithm covering offset, sensitivity, temperature drift, and non-linearity.

Dual excitation modes-voltage or constant-current bridge biasing-are supported, along with three temperature sensing options: internal diode, external diode, or thermistor/bridge resistance. Output delivery is configurable as ratiometric analog voltage (5–95% VDDE, 12-bit DAC), I²C, or ZACwire™ one-wire interface-enabling PC-controlled end-of-line calibration without trimming hardware.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	4.5 V to 5.5 V - ensures compatibility with standard automotive 5 V rails and stable operation under battery transients.
Operating Temperature	−40°C to +150°C - qualified per AEC-Q100 Grade 0, enabling placement in engine bay or transmission control units.
Analog Output Accuracy	0.5% FSO at −40°C to +125°C - guarantees calibrated sensor linearity without external compensation circuitry.
ADC Resolution	13–16 bits - selectable resolution directly trades off between noise immunity (higher bits) and response time (up to 7.8 kHz sample rate).
Digital Interfaces	I²C (400 kHz) and ZACwire™ - support factory calibration, diagnostics, and field reconfiguration via single-wire or standard bus.
Protection Features	33 V absolute max rating, reverse polarity protection, short-circuit tolerant AOUT - eliminates need for external TVS or discrete protection.
EEPROM Endurance	100 write cycles at 150°C - enables reliable in-system calibration updates even under extreme thermal stress.

Pinout & Package

Package: 14-DFN (5 mm × 4 mm, wettable flanks), RoHS-compliant, thermally enhanced for automotive under-hood mounting.

Pin/Terminal	Circuit Role	Design Meaning
VDDA / VSSA	Analog supply and ground	Separate analog domain power pins minimize digital noise coupling into sensitive bridge measurement path.
VBP / VBN	Bridge positive/negative inputs	Differential inputs accept Wheatstone bridge outputs; support common-mode range up to 0.65 × VDDA for wide sensor span coverage.
AOUT	Analog output	Ratiometric voltage output (5–95% VDDE) with 12-bit DAC resolution and ±2.5 mA drive capability for direct connection to MCU ADCs.
SDA / SCL	I²C bidirectional data/clock	Standard open-drain I²C interface (400 kHz) used for coefficient programming, diagnostics, and configuration readback.
OWI	ZACwire™ one-wire interface	Single-pin digital interface supporting calibration, status polling, and firmware updates with minimal PCB routing overhead.
IRTEMP	External temperature sensor input	Accepts voltage from external diode or thermistor; enables precise temperature compensation independent of die thermal gradient.
VSUPP / VSSE	Digital supply and ground	Isolated digital domain supply improves noise immunity for microcontroller and interface logic.

Key Features

Feature	Design Value
Digital sensor correction	On-chip 16-bit RISC core executes EEPROM-loaded algorithms for offset, sensitivity, temp drift, and non-linearity - eliminates manual trimming and laser calibration costs.
Multi-mode bridge excitation	Configurable voltage or constant-current biasing adapts to diverse bridge sensors (e.g., pressure, load, torque) without external circuit changes.
Triple temperature sensing	Internal diode, external diode, or thermistor/bridge-resistance inputs allow optimal thermal tracking for each mechanical mounting scenario.
High-voltage robustness	33 V absolute maximum rating on all pins and integrated reverse-polarity/short-circuit protection reduce BOM count and improve system-level reliability.
Traceable calibration	User-defined EEPROM fields store serial numbers, calibration dates, and sensor IDs - enabling full production traceability and quality audits.

Applications

Engine Oil Pressure Monitoring	Transmission Fluid Temperature Sensing
Use Scenario: Real-time oil pressure measurement in high-temperature engine compartments using piezoresistive bridge sensors. IC Role / Device Role / Timing Role: Signal conditioner performing gain scaling, temperature-compensated linearization, and ratiometric analog output synchronized to ECU sampling clocks. Use Value: Delivers 0.5% FSO accuracy from −40°C to +150°C without external compensation components, reducing sensor module size and qualification effort.	Use Scenario: Closed-loop fluid temperature feedback in automatic transmissions where thermal stability and EMC resilience are critical. IC Role / Device Role / Timing Role: Digitally corrects thermistor-based bridge signals while providing I²C-accessible diagnostics and fault flags to the TCU. Use Value: Enables end-of-line calibration via I²C during final assembly, eliminating costly post-mount trimming and improving yield.
Brake Master Cylinder Pressure Detection	Electric Power Steering Torque Sensing
Use Scenario: Safety-critical brake pressure monitoring requiring ASIL-B capable signal conditioning with fail-safe diagnostics. IC Role / Device Role / Timing Role: Provides analog output with built-in watchdog, sensor disconnect detection, and short-circuit protected AOUT for redundant ECU inputs. Use Value: Integrates diagnostic functions (sensor open/short check, EEPROM CRC, startup self-test) that meet ISO 26262 requirements without added ICs.	Use Scenario: High-bandwidth torque measurement in EPS motor control loops demanding low-latency (<512 µs), noise-immune analog output. IC Role / Device Role / Timing Role: Configured for 13-bit ADC + 2nd-order filtering to achieve 7.8 kHz sample rate and 5 kHz bandwidth while maintaining <10 mVpp noise. Use Value: Achieves sub-millisecond response with 12.4-bit effective resolution, enabling precise torque feedback for smooth assist control.

Engine Oil Pressure Monitoring

Transmission Fluid Temperature Sensing

Use Scenario: Real-time oil pressure measurement in high-temperature engine compartments using piezoresistive bridge sensors.

IC Role / Device Role / Timing Role: Signal conditioner performing gain scaling, temperature-compensated linearization, and ratiometric analog output synchronized to ECU sampling clocks.

Use Value: Delivers 0.5% FSO accuracy from −40°C to +150°C without external compensation components, reducing sensor module size and qualification effort.

Use Scenario: Closed-loop fluid temperature feedback in automatic transmissions where thermal stability and EMC resilience are critical.

IC Role / Device Role / Timing Role: Digitally corrects thermistor-based bridge signals while providing I²C-accessible diagnostics and fault flags to the TCU.

Use Value: Enables end-of-line calibration via I²C during final assembly, eliminating costly post-mount trimming and improving yield.

Brake Master Cylinder Pressure Detection

Electric Power Steering Torque Sensing

Use Scenario: Safety-critical brake pressure monitoring requiring ASIL-B capable signal conditioning with fail-safe diagnostics.

IC Role / Device Role / Timing Role: Provides analog output with built-in watchdog, sensor disconnect detection, and short-circuit protected AOUT for redundant ECU inputs.

Use Value: Integrates diagnostic functions (sensor open/short check, EEPROM CRC, startup self-test) that meet ISO 26262 requirements without added ICs.

Use Scenario: High-bandwidth torque measurement in EPS motor control loops demanding low-latency (<512 µs), noise-immune analog output.

IC Role / Device Role / Timing Role: Configured for 13-bit ADC + 2nd-order filtering to achieve 7.8 kHz sample rate and 5 kHz bandwidth while maintaining <10 mVpp noise.

Use Value: Achieves sub-millisecond response with 12.4-bit effective resolution, enabling precise torque feedback for smooth assist control.

Equivalent & Alternatives

The following parts are listed as comparable options for similar sensor signal conditioning applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ZSC31150GAG2-R	Same 14-DFN package but rated for −40°C to +125°C (not +150°C); lower EEPROM endurance at high temperature (100k vs. 100 cycles at 150°C).	Suitable for cabin or chassis modules where ambient temperature stays below 125°C; not qualified for under-hood engine control.	Select ZSC31150GAG2-R when cost optimization is prioritized and extended temperature operation is unnecessary.
ZSC31150GEG1	14-SSOP package (5.1 mm × 6.2 mm), same −40°C to +150°C rating; lacks wettable flanks; different thermal resistance and solder joint inspection capability.	Preferred for legacy PCB designs with SSOP footprints or where automated optical inspection of gull-wing leads is required.	Choose ZSC31150GEG1 only if SSOP layout compatibility or traditional leaded assembly is mandated by manufacturing constraints.

Compared with ZSC31150GEG2-R, the GAG2-R offers cost savings at the expense of high-temperature endurance, while the GEG1 maintains full spec compliance but sacrifices DFN advantages like thermal performance and space efficiency - making ZSC31150GEG2-R the optimal choice for new under-hood designs requiring miniaturization and extreme thermal resilience.

Availability

ZSC31150GEG2-R is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and brake-by-wire systems requiring stable component supply across extended automotive temperature ranges and long production lifecycles.

Supply support for ZSC31150GEG2-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 engineered specifically for AEC-Q100-compliant bridge sensor signal conditioning in harsh automotive environments - emphasizing calibration integrity, thermal robustness, and integration of safety-critical diagnostics.

FAQ

What is the maximum operating temperature specification for the ZSC31150GEG2-R?

The ZSC31150GEG2-R is rated for continuous operation from −40°C to +150°C, meeting AEC-Q100 Grade 0 requirements. This extended range is enabled by its 14-DFN package with wettable flanks and internal thermal design - making it suitable for direct mounting near engines, transmissions, or exhaust systems where ambient temperatures exceed 125°C.

Does the ZSC31150GEG2-R support both voltage and current excitation for bridge sensors?

Yes, the ZSC31150GEG2-R supports configurable bridge excitation modes: ratiometric voltage supply or constant-current biasing. This flexibility allows it to interface with a wide variety of resistive bridge sensors - including pressure, load, and torque transducers - without requiring external excitation circuitry or redesign of the sensor interface.

How does the ZSC31150GEG2-R handle temperature compensation?

The ZSC31150GEG2-R supports three temperature compensation sources: internal diode, external diode, or thermistor/bridge resistance. Compensation coefficients are applied digitally by the on-chip 16-bit RISC microcontroller using EEPROM-stored calibration data - enabling accurate correction of sensitivity and offset drift across the full −40°C to +150°C range.

What digital interfaces does the ZSC31150GEG2-R provide for calibration and configuration?

The ZSC31150GEG2-R provides two digital interfaces: standard I²C (400 kHz) and proprietary ZACwire™ one-wire. Both support full read/write access to EEPROM calibration coefficients, device configuration registers, and diagnostic status - enabling PC-controlled end-of-line calibration, field firmware updates, and real-time sensor health monitoring.

Is the ZSC31150GEG2-R qualified for automotive safety standards?

Yes, the ZSC31150GEG2-R is AEC-Q100 qualified and incorporates multiple safety features: sensor open/short detection, EEPROM CRC verification, watchdog timer, startup self-test, and fail-safe analog output modes. These capabilities support ASIL-B system-level compliance when integrated into properly architected automotive control units.

ZSC31150GEG2-R Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Series:: *

Package/Case:: -

Packaging:: Tape & Reel (TR)

Product Status:: Active

Applications:: -

Interface:: -

Voltage - Supply:: -

Supplier Device Package:: -

Grade:: -

Qualification:: -

Mounting Type:: -

ZSC31150GEG2-R FAQ

1.How can I place an order for ZSC31150GEG2-R through Aetrix?

Please submit a Request for Quotation (RFQ) for ZSC31150GEG2-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 ZSC31150GEG2-R reliable?

The price and inventory of ZSC31150GEG2-R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSC31150GEG2-R is usually 5 days.

3.What payment methods are accepted for ZSC31150GEG2-R?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSC31150GEG2-R transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ZSC31150GEG2-R?

ZSC31150GEG2-R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ZSC31150GEG2-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 ZSC31150GEG2-R?

For technical support, including ZSC31150GEG2-R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSC31150GEG2-R requirements.

6.How does Aetrix verify that ZSC31150GEG2-R is sourced from the original manufacturer or authorized distributors?

All ZSC31150GEG2-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 ZSC31150GEG2-R meets industry standards.

7.What is the process for return or replacement of ZSC31150GEG2-R?

All ZSC31150GEG2-R units undergo pre-shipment inspection (PSI). If there is an issue with ZSC31150GEG2-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 ZSC31150GEG2-R part is unused and in its original packaging.

Return procedure for ZSC31150GEG2-R:

1.Submit a request within 90 days.

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

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