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Renesas ZSSC4175DE4V
- Part No.:
- ZSSC4175DE4V
- Manufacturer:
- Renesas
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- -
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ZSSC4175DE4V.pdf
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- IC REG PQFN
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Product details
Overview
ZSSC4175DE4V from Renesas Electronics is a dual-channel sensor signal conditioner IC designed for high-accuracy conditioning of thermocouple inputs. It supports N-type thermocouples, provides cold-junction compensation via internal temperature sensor, delivers ±0.25% FSO accuracy from −40°C to 125°C, operates from 4.75–5.25 V, and outputs calibrated data via SENT or I²C™ interface - used in automotive pressure/temperature modules with dual-sensor redundancy.
For engineers reviewing the ZSSC4175DE4V datasheet, ZSSC4175DE4V pinout, ZSSC4175DE4V application, or ZSSC4175DE4V equivalent, key selection criteria include dual thermocouple support, SENT fast + SDM slow-channel capability, −40°C to 150°C operating range, 12-bit SENT output resolution, and integrated diagnostics for open-circuit and short-circuit detection.
Technical Context
The ZSSC4175DE4V implements a 16-bit RISC microcontroller core for digital compensation of offset, gain, higher-order nonlinearity, and temperature coefficients across two independent voltage-source sensor channels. Its analog frontend includes programmable gain amplification (PGA) and configurable 12–16-bit ADC resolution per channel.
Dual thermocouple inputs are processed with dedicated diagnostic logic including open/short detection and thermocouple fault reporting. Calibration coefficients and configuration data are stored in on-chip NVM, enabling one-pass end-of-line calibration via OWI on DOUT or I²C™ - eliminating external trimming components and reducing assembly cost.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Type | Dual voltage-source sensor inputs, optimized for N-type thermocouples with cold-junction compensation |
| Accuracy | ±0.25% FSO over −40°C to 125°C - enables high-fidelity temperature measurement in engine bay environments |
| Operating Temp | −40°C to +150°C - qualified for under-hood automotive applications with extended thermal margin |
| Supply Voltage | 4.75 V to 5.25 V - compatible with standard 5 V ECU power rails and tolerant of automotive load-dump transients |
| Output Interface | SENT (SAE J2716 Rev 3.0) with fast channel + SDM channel, plus I²C™ and OWI - single-pin digital output reduces wiring complexity |
| ADC Resolution | Configurable 12–16 bit - balances speed and precision for real-time thermocouple digitization |
| NVM Memory | On-chip non-volatile memory stores calibration coefficients and user configuration - ensures repeatability without external EEPROM |
Pinout & Package
Package: 4 mm × 4 mm QFN-24, exposed thermal pad, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog supply input | 4.75–5.25 V analog power rail for sensor frontend and ADC |
| VSSA | Analog ground | Separate analog return path to minimize noise coupling into sensitive bridge/thermocouple inputs |
| VDDE | Digital supply input | 4.75–5.25 V digital power for core, NVM, and interfaces |
| VSSE | Digital ground | Isolated digital reference plane for SENT/I²C™/OWI signaling integrity |
| BR1P / BR1N | Thermocouple Channel 1 differential input | Accepts N-type thermocouple voltage; supports open/short diagnostics |
| BR2P / BR2N | Thermocouple Channel 2 differential input | Independent second thermocouple input with identical diagnostic capability |
| DOUT | SENT/OWI bidirectional output | Single-pin SENT data transmission or OWI calibration communication |
| SCL / SDA | I²C™ interface pins | Supports configuration, readback, and end-of-line calibration at up to 400 kHz |
| TOP / BOT | Internal temperature sensor terminals | Enable diode-based cold-junction compensation for both thermocouple channels |
| TS1 / TS2 | External temperature sensor inputs | Optional RTD/NTC connections for enhanced media temperature sensing |
Key Features
| Feature | Design Value |
|---|---|
| Dual thermocouple interface with diagnostics | Independent open-circuit, short-circuit, and thermocouple fault detection per channel - improves system-level functional safety compliance |
| SENT fast + SDM channel output | Transmits primary temperature data on fast channel and secondary diagnostics or media temperature on SDM - eliminates need for multiple wires or protocols |
| One-pass OWI calibration | End-of-line calibration executed via DOUT pin using One-Wire Interface - reduces test time and fixture complexity |
| Configurable ADC resolution | 12–16-bit selectable per channel - allows trade-off between update rate and precision based on application latency requirements |
| Integrated cold-junction compensation | Internal temperature sensor (TOP/BOT) provides accurate reference for thermocouple linearization - removes need for external diode or RTD |
Applications
| Engine Oil Temperature Monitoring | Exhaust Gas Temperature Sensing |
|---|---|
Use Scenario: Dual N-type thermocouples mounted on oil filter housing and sump to monitor real-time oil temperature gradients. IC Role / Device Role / Timing Role: ZSSC4175DE4V conditions both thermocouple signals, applies cold-junction compensation, and transmits synchronized readings via SENT fast + SDM channels. Use Value: Enables closed-loop oil thermal management with <0.25% FSO error across −40°C to 150°C - critical for variable valve timing control. | Use Scenario: Paired thermocouples installed upstream/downstream of catalytic converter to detect light-off status and monitor thermal aging. IC Role / Device Role / Timing Role: ZSSC4175DE4V acquires and compensates both exhaust temperature signals, reports primary reading on SENT fast channel and diagnostic flags on SDM. Use Value: Supports OBD-II readiness monitoring with built-in open/short detection - reduces false fault codes during cold starts. |
| Turbocharger Inlet/Outlet Temperature Pair | Transmission Fluid Temperature Redundancy |
Use Scenario: Two N-type thermocouples measure inlet and outlet air temperature across turbocharger to calculate efficiency and detect surge conditions. IC Role / Device Role / Timing Role: ZSSC4175DE4V processes both channels simultaneously, stores calibration coefficients in NVM, and outputs delta-T via SENT fast channel with status on SDM. Use Value: Delivers synchronized, compensated measurements with no external trimming - simplifies ECU integration and meets ASIL-B diagnostic coverage targets. | Use Scenario: Redundant fluid temperature sensing in automatic transmission control module using dual thermocouples for fail-operational safety. IC Role / Device Role / Timing Role: ZSSC4175DE4V independently conditions each thermocouple, performs real-time comparison, and reports mismatch alerts via SDM channel. Use Value: Achieves <0.25% FSO accuracy over full automotive temperature range while supporting ISO 26262 diagnostic requirements without additional hardware. |
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 | Single-channel analog signal conditioner with laser-trimmed resistor network; no integrated microcontroller or SENT output | Lacks dual-channel support, digital compensation, and automotive-grade diagnostics - requires external MCU and interface translation | Consider only for legacy analog designs where SENT is not required and calibration is performed externally |
| AD8422ARZ | High-precision instrumentation amplifier only; no ADC, NVM, or digital interface - purely analog signal path | No built-in compensation, calibration, or temperature sensing - must be paired with separate ADC, processor, and firmware stack | Select when ultra-low-noise analog gain is prioritized over integrated digital functionality and automotive qualification |
Compared with MAX1452ACM+T and AD8422ARZ, the ZSSC4175DE4V integrates dual-channel thermocouple conditioning, SENT output, diagnostics, and NVM-based calibration - reducing BOM count by ≥5 components and eliminating external trimming, making it optimal for new automotive sensor modules requiring ASIL-B compliance.
Availability
ZSSC4175DE4V is available at Aetrix Electronics and suitable for automotive engine management, exhaust aftertreatment, and transmission control systems requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualified signal conditioning.
Supply support for ZSSC4175DE4V 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 Corporation is a global semiconductor leader delivering trusted embedded design innovation for automotive, industrial, infrastructure, and IoT applications.
The ZSSC4175DE4V belongs to Renesas' Sensor Signal Conditioner (SSC) product line, engineered specifically for high-accuracy, automotive-qualified conditioning of resistive bridge and voltage-source sensors - with emphasis on thermocouple, pressure, and temperature sensing in harsh environments.
FAQ
What sensor types does the ZSSC4175DE4V support?
ZSSC4175DE4V supports dual N-type thermocouples as primary inputs, with optional external RTD/NTC connections via TS1/TS2 pins. It includes internal temperature sensing (TOP/BOT) for cold-junction compensation and built-in diagnostics for open/short detection on both channels - no support for resistive bridge sensors, which are handled by ZSSC416x variants.
Does the ZSSC4175DE4V require external calibration components?
No, the ZSSC4175DE4V does not require external calibration components. All calibration coefficients and configuration data are stored in on-chip NVM. End-of-line calibration is performed digitally via OWI on the DOUT pin or I²C™ interface - eliminating laser trimming, potentiometers, or external EEPROM, and reducing assembly cost and test time.
What is the SENT interface capability of the ZSSC4175DE4V?
ZSSC4175DE4V implements SAE J2716 Rev 3.0 SENT with both fast channel (primary sensor data) and Serial Data Message (SDM) channel (diagnostics, secondary temperature, or status flags). It uses a single DOUT pin for output, supports configurable frame length and pause pulse, and requires no external pull-up or timing components - simplifying ECU interface design.
Is the ZSSC4175DE4V qualified for automotive use?
Yes, the ZSSC4175DE4V is designed for automotive environments: it operates from −40°C to +150°C, includes overvoltage (±18 V) and reverse polarity protection, meets stringent EMC requirements, and supports diagnostic features required for ASIL-B compliance. While not explicitly labeled AEC-Q100 in this feature sheet, its specifications and application context align with automotive qualification standards.
How is temperature compensation implemented in the ZSSC4175DE4V?
ZSSC4175DE4V implements cold-junction compensation using its internal temperature sensor connected to TOP/BOT pins. This sensor measures die temperature and feeds real-time data to the 16-bit RISC core, which applies polynomial correction to thermocouple voltage readings - eliminating need for external diodes or RTDs while maintaining ±0.25% FSO accuracy across −40°C to 125°C.
ZSSC4175DE4V Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- *
- Package/Case:
- -
- Packaging:
- Tray
- Product Status:
- Obsolete
- Function:
- -
- Output Configuration:
- -
- Topology:
- -
- Output Type:
- -
- Number of Outputs:
- -
- Voltage - Input (Min):
- -
- Voltage - Input (Max):
- -
- Voltage - Output (Min/Fixed):
- -
- Voltage - Output (Max):
- -
- Current - Output:
- -
- Frequency - Switching:
- -
- Synchronous Rectifier:
- -
- Operating Temperature:
- -
- Grade:
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- Qualification:
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- Mounting Type:
- -
- Supplier Device Package:
- -
ZSSC4175DE4V FAQ
1.How can I place an order for ZSSC4175DE4V through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSSC4175DE4V 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 ZSSC4175DE4V reliable?
The price and inventory of ZSSC4175DE4V are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSSC4175DE4V is usually 5 days.
3.What payment methods are accepted for ZSSC4175DE4V?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSSC4175DE4V transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSSC4175DE4V?
ZSSC4175DE4V orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSSC4175DE4V 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 ZSSC4175DE4V?
For technical support, including ZSSC4175DE4V datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSSC4175DE4V requirements.
6.How does Aetrix verify that ZSSC4175DE4V is sourced from the original manufacturer or authorized distributors?
All ZSSC4175DE4V 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 ZSSC4175DE4V meets industry standards.
7.What is the process for return or replacement of ZSSC4175DE4V?
All ZSSC4175DE4V units undergo pre-shipment inspection (PSI). If there is an issue with ZSSC4175DE4V, 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 ZSSC4175DE4V part is unused and in its original packaging.
Return procedure for ZSSC4175DE4V:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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