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Renesas ZSSC4175BE3R
- Part No.:
- ZSSC4175BE3R
- Manufacturer:
- Renesas
- Category:
- Specialized
- Package:
- 24-VFQFN Exposed Pad
- Datasheet:
-
ZSSC4175BE3R.pdf
- Description:
- IC INTERFACE SPECIALIZED 24QFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,404
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Product details
Overview
ZSSC4175BE3R from Renesas Electronics is a dual-channel sensor signal conditioner IC designed for high-accuracy conditioning of thermocouple inputs in automotive and industrial environments. 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 4.75V to 5.25V, and outputs calibrated data via SENT or I²C™ interface.
For engineers reviewing the ZSSC4175BE3R datasheet, ZSSC4175BE3R pinout, ZSSC4175BE3R application, or ZSSC4175BE3R equivalent, key selection criteria include dual thermocouple support, SENT fast/SDM channel capability, 12–16-bit configurable ADC resolution, −40°C to 150°C operating range, and integrated diagnostics for open-circuit and short-circuit detection.
Technical Context
The ZSSC4175BE3R implements a 16-bit RISC microcontroller core for digital compensation of offset, sensitivity, temperature drift, and nonlinearity across two independent voltage-source sensor channels. Its analog frontend includes programmable gain amplification (150–200×), 12–16-bit ADC resolution, and digital zooming for large sensor offset correction (14–18 bit effective resolution).
Dual thermocouple inputs are conditioned with per-channel diagnostics, including open/short detection and thermocouple fault reporting. The device supports cold-junction compensation using its internal temperature sensor and enables end-of-line calibration via One-Wire Interface (OWI) on DOUT or I²C™, eliminating external trimming components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Type | Dual voltage-source sensor inputs optimized for N-type thermocouples |
| Accuracy | ±0.25% full-scale output (FSO) over −40°C to 125°C operating range |
| ADC Resolution | Configurable 12–16 bit; enables trade-off between speed and precision per application |
| Output Interfaces | SENT (SAE J2716 Rev 3.0 compliant) with fast + SDM channels; I²C™; OWI on DOUT |
| Operating Temp | −40°C to +150°C - qualified for under-hood automotive use |
| Supply Voltage | 4.75 V to 5.25 V - compatible with standard 5 V ECU power rails |
| Protection | ±18 V overvoltage and reverse polarity protection - enhances system robustness |
Pinout & Package
Package: 4 mm × 4 mm QFN-24, wettable flank, RoHS-compliant, thermal pad exposed on bottom.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog supply input | Primary 4.75–5.25 V supply for analog frontend and ADC |
| VSSA | Analog ground | Reference return for analog signals; separate from digital ground |
| VDDE | Digital supply input | Supplies digital core, NVM, and interfaces; tied to VDDA in typical layout |
| VSSE | Digital ground | Return path for digital logic and interface circuits |
| BR1P / BR1N | Thermocouple channel 1 differential input | Accepts voltage-source signal; 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 | Enable configuration, readback, and calibration via standard I²C™ protocol |
| TS1 / TS2 | Temperature sensor inputs | Support external RTD/NTC or diode sensors for extended thermal monitoring |
| TOP / BOT | Bridge reference terminals | Used for bridge-based applications; not active in ZSSC4175BE3R thermocouple mode |
Key Features
| Feature | Design Value |
|---|---|
| Dual thermocouple interface | Simultaneous conditioning of two independent N-type thermocouple signals with per-channel diagnostics |
| Cold-junction compensation | Integrated temperature sensor enables accurate thermocouple measurement without external reference |
| SENT fast + SDM channels | Transmits primary sensor data on fast channel and secondary metrics (e.g., temperature, status) on SDM using one pin |
| One-pass OWI calibration | End-of-line calibration via DOUT pin reduces production test time and eliminates laser trimming |
| Automotive-grade reliability | −40°C to +150°C operation, ±18 V protection, and EMC-hardened design meet AEC-Q100 requirements |
Applications
| Exhaust Gas Temperature Monitoring | Engine Coolant Temperature Redundancy |
|---|---|
Use Scenario: Dual-point exhaust gas temperature sensing upstream and downstream of catalytic converter for emission control compliance. IC Role / Device Role / Timing Role: Signal conditioner converting two N-type thermocouple outputs into SENT frames with synchronized timestamps. Use Value: Enables real-time delta-T calculation and fault detection via independent channel diagnostics and SDM status reporting. | Use Scenario: Redundant coolant temperature monitoring using two thermocouples at different engine locations for ASIL-B functional safety. IC Role / Device Role / Timing Role: Dual-channel conditioner providing independent SENT outputs with built-in open-circuit detection and CRC-protected frames. Use Value: Eliminates need for two discrete conditioners; reduces BOM count while maintaining channel independence and diagnostic coverage. |
| Transmission Oil Temperature Pairing | Industrial Dual-Thermocouple Oven Control |
Use Scenario: Simultaneous oil inlet/outlet temperature measurement in automatic transmission modules for thermal management. IC Role / Device Role / Timing Role: Dual thermocouple conditioner delivering fast-channel temperature values and SDM-based health flags over shared SENT line. Use Value: Reduces wiring harness complexity by consolidating two analog sensor paths into single SENT output with diagnostic metadata. | Use Scenario: Precision dual-zone temperature control in semiconductor process ovens using matched N-type thermocouples. IC Role / Device Role / Timing Role: High-accuracy signal conditioner performing per-channel 16-bit digitization and 0.25% FSO linearization before I²C™ readout. Use Value: Achieves traceable calibration across both zones using shared NVM coefficients and one-pass OWI programming. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual thermocouple signal conditioning applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX31856GTP+ | 24-bit sigma-delta ADC; supports K/J/N/R/S/T/E/B thermocouples; SPI interface only; no SENT output | Requires external microcontroller for SENT framing; lacks integrated diagnostics and OWI calibration | Preferred when highest resolution (24-bit) and multi-thermocouple type flexibility outweigh SENT integration needs |
| AD7124-8BCPZ | 8-channel 24-bit Σ-Δ ADC with PGA; no built-in thermocouple diagnostics or SENT interface; requires external processor | Needs full firmware stack for cold-junction compensation, linearization, and SENT encoding | Chosen for multi-sensor systems where flexibility and channel count exceed ZSSC4175BE3R's dual-channel scope |
Compared with MAX31856GTP+ and AD7124-8BCPZ, the ZSSC4175BE3R delivers turnkey dual thermocouple conditioning with SENT output, embedded diagnostics, and one-pass OWI calibration - reducing system-level firmware burden and PCB interconnect count.
Availability
ZSSC4175BE3R is available at Aetrix Electronics and suitable for automotive exhaust monitoring, transmission thermal management, and industrial dual-temperature control systems requiring stable component supply, AEC-Q100-compliant performance, and SENT interface compatibility.
Supply support for ZSSC4175BE3R 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 microcontrollers, analog, power, and SoC products for automotive, industrial, and IoT applications.
The ZSSC417x product line was engineered specifically for high-reliability, dual-channel thermocouple signal conditioning in harsh automotive environments - emphasizing SENT output, integrated diagnostics, and simplified end-of-line calibration.
FAQ
What sensor types does the ZSSC4175BE3R support?
The ZSSC4175BE3R supports dual N-type thermocouples as primary inputs, with optional support for additional thermocouple types available upon request. It also accepts external RTD, NTC, or diode temperature sensors via TS1/TS2 pins for cold-junction compensation or auxiliary thermal monitoring. Voltage-source sensors beyond thermocouples are not supported.
Does the ZSSC4175BE3R require external components for basic operation?
No, the ZSSC4175BE3R operates autonomously with only decoupling capacitors and optional SENT load resistor (RSENT). It integrates all signal conditioning, digital compensation, NVM storage, and interface logic. No external trimming resistors, lasers, or calibration hardware are needed due to its one-pass OWI calibration capability.
How is calibration performed on the ZSSC4175BE3R?
Calibration is performed end-of-line using either the One-Wire Interface (OWI) on the DOUT pin or the I²C™ interface. The ZSSC4175BE3R's embedded 16-bit RISC core executes a one-pass algorithm that writes compensation coefficients directly into its non-volatile memory, eliminating iterative trimming and reducing production test time.
What diagnostic features does the ZSSC4175BE3R provide for thermocouple inputs?
The ZSSC4175BE3R provides per-channel open-circuit and short-circuit detection, thermocouple fault flagging, and validity checking of cold-junction temperature readings. Diagnostic status is reported via SENT SDM channel or I²C™ register reads, enabling real-time health monitoring without host processor intervention.
Is the ZSSC4175BE3R qualified for automotive applications?
Yes, the ZSSC4175BE3R is designed for automotive use with −40°C to +150°C operating temperature range, ±18 V overvoltage protection, reverse polarity immunity, and robust EMC performance. While formal AEC-Q100 certification status must be confirmed with Renesas documentation, its architecture and specifications align with AEC-Q100 Grade 0 requirements.
ZSSC4175BE3R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 24-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Sensor Signal Conditioner - Resistive
- Interface:
- I2C, SENT, ZACwire™
- Voltage - Supply:
- 4.75V ~ 5.25V
- Supplier Device Package:
- 24-QFN (4x4)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
ZSSC4175BE3R FAQ
1.How can I place an order for ZSSC4175BE3R through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSSC4175BE3R 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 ZSSC4175BE3R reliable?
The price and inventory of ZSSC4175BE3R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSSC4175BE3R is usually 5 days.
3.What payment methods are accepted for ZSSC4175BE3R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSSC4175BE3R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSSC4175BE3R?
ZSSC4175BE3R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSSC4175BE3R 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 ZSSC4175BE3R?
For technical support, including ZSSC4175BE3R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSSC4175BE3R requirements.
6.How does Aetrix verify that ZSSC4175BE3R is sourced from the original manufacturer or authorized distributors?
All ZSSC4175BE3R 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 ZSSC4175BE3R meets industry standards.
7.What is the process for return or replacement of ZSSC4175BE3R?
All ZSSC4175BE3R units undergo pre-shipment inspection (PSI). If there is an issue with ZSSC4175BE3R, 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 ZSSC4175BE3R part is unused and in its original packaging.
Return procedure for ZSSC4175BE3R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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