My Inquiry
My Account
Renesas ZSSC4175DE4R
- Part No.:
- ZSSC4175DE4R
- Manufacturer:
- Renesas
- Package:
- -
- Datasheet:
-
ZSSC4175DE4R.pdf
- Description:
- IC REG PQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,604
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ZSSC4175DE4R from Renesas Electronics is a dual-channel sensor signal conditioner IC designed for high-accuracy conditioning of thermocouple inputs, featuring dual N-type thermocouple interfaces, internal cold-junction temperature compensation, SENT and I²C™ digital output interfaces, ±0.25% FSO accuracy over –40°C to 125°C, and automotive-grade diagnostics. It targets pressure/temperature modules in engine control units requiring robust signal integrity and end-of-line calibration via OWI on DOUT.
For engineers reviewing the ZSSC4175DE4R datasheet, ZSSC4175DE4R pinout, ZSSC4175DE4R application, or ZSSC4175DE4R equivalent, key selection criteria include dual thermocouple support with diagnostic capability, SENT fast + SDM channel output, 12–16-bit configurable ADC resolution, -40°C to 150°C operating range, and QFN24 package compatibility with automotive ECU sensor modules.
Technical Context
The ZSSC4175DE4R integrates two independent analog front ends optimized for thermocouple voltage sources, each with programmable gain, 12–16-bit ADC resolution, and digital compensation for offset, sensitivity, temperature drift, and nonlinearity using a 16-bit RISC microcontroller. Its NVM stores calibrated coefficients and user configuration data for automotive-grade repeatability.
Dual thermocouple inputs are processed with dedicated diagnostics-including open-circuit, short-to-rail, and thermal EMF validation-while internal temperature sensing enables cold-junction compensation. Output is delivered via SENT (SAE J2716 Rev 3.0 compliant) with fast channel for primary measurements and SDM for supplementary data, or via I²C™/OWI for calibration and configuration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Type | Dual voltage source (N-type thermocouples), with open-circuit and short-circuit diagnostics per channel |
| Accuracy | ±0.25% FSO over –40°C to 125°C - ensures stable measurement fidelity across engine bay thermal profiles |
| ADC Resolution | Configurable 12–16 bit - balances speed vs. precision for thermocouple EMF digitization |
| Output Interfaces | SENT (J2716 Rev 3.0), I²C™, and One-Wire Interface (OWI) on DOUT - supports production calibration and real-time telemetry |
| Operating Temp | –40°C to +150°C - qualified for under-hood automotive environments without derating |
| Supply Voltage | 4.75 V to 5.25 V - compatible with standard 5 V ECU power rails and tolerant to load-dump transients |
| Protection | ±18 V input protection - safeguards against reverse polarity and battery jump-start surges |
Pinout & Package
Package: 4 mm × 4 mm QFN24, exposed thermal pad, RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog supply | Primary 5 V rail for analog front end and ADC; requires local 100 nF decoupling |
| VSSA | Analog ground | Separate analog return path to minimize noise coupling into thermocouple inputs |
| BR1P / BR1N | Thermocouple 1 differential input | High-impedance inputs accepting ±10 mV to ±80 mV EMF signals with diagnostic biasing |
| BR2P / BR2N | Thermocouple 2 differential input | Independent second channel with identical signal chain and diagnostics as BR1 |
| DOUT | SENT/OWI bidirectional output | Single-pin SENT data transmission or OWI calibration communication; requires external RSENT and CLOAD |
| SCL / SDA | I²C™ interface | Standard 400 kHz I²C™ bus for configuration read/write and coefficient loading during calibration |
| TS1 / TS2 | Internal temperature sensor outputs | Provide cold-junction reference for both thermocouple channels; used in real-time compensation algorithm |
| VDDE / VSSE | Digital supply/ground | Isolated digital domain supply to reduce switching noise impact on analog measurements |
Key Features
| Feature | Design Value |
|---|---|
| Dual thermocouple interface with per-channel diagnostics | Enables simultaneous monitoring of exhaust gas and intake air temperature with fault detection before signal processing |
| SENT fast + SDM channel output | Delivers primary thermocouple readings on fast channel and secondary status or calibration data on SDM-no extra pins required |
| 16-bit RISC microcontroller with NVM | Stores full calibration coefficients and user-defined math functions (e.g., polynomial compensation) for zero-trim operation |
| One-pass OWI calibration | Reduces end-of-line test time by enabling full coefficient programming through DOUT pin without additional hardware interfaces |
| Automotive EMC & protection | Meets ISO 11452-4 (BCI) and ISO 7637-3 (transient) requirements; ±18 V tolerance eliminates need for external TVS |
Applications
| Exhaust Gas Temperature Monitoring | Intake Air Temperature + Pressure Fusion |
|---|---|
Use Scenario: Dual N-type thermocouples mounted upstream/downstream of catalytic converter measure real-time exhaust gas temperature gradients. IC Role / Device Role / Timing Role: ZSSC4175DE4R conditions both thermocouple signals, applies cold-junction compensation using internal TS1/TS2 sensors, and outputs synchronized SENT frames. Use Value: Enables closed-loop catalyst efficiency control with ±0.25% FSO accuracy and built-in open-circuit fault reporting per channel. | Use Scenario: Integrated engine sensor module combines intake air temperature (thermocouple) and manifold absolute pressure (bridge sensor) on single PCB. IC Role / Device Role / Timing Role: ZSSC4175DE4R handles thermocouple inputs while companion bridge conditioner (e.g., ZSSC4165) manages pressure; both share SENT bus via multiplexed frame IDs. Use Value: Reduces connector count and ECU input channels by consolidating dual-sensor telemetry into one SENT stream with SDM-based ID tagging. |
| Thermocouple-Based Battery Thermal Management | Industrial Furnace Dual-Zone Control |
Use Scenario: EV battery pack uses two N-type thermocouples-one at cell top, one at bottom-to detect thermal stratification during fast charging. IC Role / Device Role / Timing Role: ZSSC4175DE4R acquires both thermocouple voltages, compensates for ambient gradient using internal diode sensors, and reports via SENT to BMS controller. Use Value: Achieves <±1.5°C absolute error across –40°C to 105°C operating range with no external trimming components or calibration resistors. | Use Scenario: Industrial furnace controller monitors heating zones A and B using separate N-type thermocouples for independent PID loop actuation. IC Role / Device Role / Timing Role: ZSSC4175DE4R provides isolated, calibrated temperature values for each zone via I²C™ register reads, with OWI used for field recalibration. Use Value: Eliminates need for dual discrete signal conditioners-reduces BOM cost by 35% and board area by 40% versus discrete op-amp + MCU solutions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar sensor signal conditioning applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX31855KASA+ | Single-channel K-type thermocouple conditioner with SPI output; no SENT interface; fixed 14-bit resolution; no dual-input or SDM capability | Limited to single-zone monitoring; lacks automotive diagnostics and dual-channel synchronization | Choose for cost-sensitive industrial applications where SENT is not required and only one thermocouple is needed |
| AD7124-8BCPZ | 8-channel Σ-Δ ADC with PGA and internal reference; no integrated thermocouple diagnostics, NVM, or SENT output; requires external MCU for compensation math | Demands full custom firmware development for cold-junction compensation and linearization | Choose when multi-sensor types (RTD, thermistor, bridge) must share one ADC, and system already includes capable host processor |
Compared with MAX31855KASA+ and AD7124-8BCPZ, the ZSSC4175DE4R delivers turnkey dual-thermocouple conditioning with automotive-grade diagnostics, SENT output, and embedded compensation-reducing firmware overhead, PCB complexity, and qualification effort for ECU-integrated sensor modules.
Availability
ZSSC4175DE4R is available at Aetrix Electronics and suitable for automotive engine control units, battery thermal management systems, and industrial furnace controllers requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle continuity.
Supply support for ZSSC4175DE4R 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 ZSSC417x product line was engineered specifically for high-reliability automotive sensor signal conditioning-integrating precision analog front ends, diagnostic-aware digital cores, and standardized digital interfaces to replace discrete op-amp + MCU solutions in harsh environments.
FAQ
What sensor types does the ZSSC4175DE4R support?
ZSSC4175DE4R supports dual N-type thermocouples as primary inputs, with optional support for other thermocouple types available upon request. It does not support resistive bridge sensors or voltage sources outside thermocouple EMF ranges. Internal temperature sensors provide cold-junction compensation, and external RTD/NTC connections are not supported on this variant-those capabilities reside in the ZSSC416x series.
Does ZSSC4175DE4R require external components for basic operation?
ZSSC4175DE4R requires only three external passive components for minimal SENT operation: an RSENT pull-up resistor (typically 22 kΩ), a CLOAD capacitor (100 pF), and local VDDA decoupling (100 nF). No external trimming resistors, laser-trimmed references, or calibration DACs are needed-the device performs full digital compensation using on-chip NVM and RISC engine.
How is end-of-line calibration performed on ZSSC4175DE4R?
End-of-line calibration for ZSSC4175DE4R is executed via the One-Wire Interface (OWI) using the DOUT pin-requiring only a single bidirectional signal line and ground. Calibration equipment communicates digitally to write offset, gain, and nonlinearity coefficients into NVM. Alternatively, I²C™ can be used if SCL/SDA lines are accessible during test, but OWI is preferred for production line simplicity.
What diagnostic features are implemented in ZSSC4175DE4R?
ZSSC4175DE4R implements per-channel thermocouple diagnostics including open-circuit detection, short-to-rail validation, and thermal EMF plausibility checking. It also monitors internal supply voltage and temperature sensor health. Diagnostic status is reported within SENT frames or readable via I²C™ registers, enabling fail-safe ECU responses without host firmware interpretation.
Is ZSSC4175DE4R qualified for automotive use?
Yes, ZSSC4175DE4R is designed and tested for automotive environments: it operates from –40°C to +150°C, includes ±18 V input protection, meets ISO 11452-4 and ISO 7637-3 immunity standards, and incorporates multiple hardware-level diagnostics. While AEC-Q100 stress testing data is documented separately, the device's architecture, packaging, and feature set align with ASIL-B functional safety requirements for sensor interface applications.
ZSSC4175DE4R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- *
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
ZSSC4175DE4R FAQ
1.How can I place an order for ZSSC4175DE4R through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSSC4175DE4R 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 ZSSC4175DE4R reliable?
The price and inventory of ZSSC4175DE4R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSSC4175DE4R is usually 5 days.
3.What payment methods are accepted for ZSSC4175DE4R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSSC4175DE4R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSSC4175DE4R?
ZSSC4175DE4R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSSC4175DE4R 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 ZSSC4175DE4R?
For technical support, including ZSSC4175DE4R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSSC4175DE4R requirements.
6.How does Aetrix verify that ZSSC4175DE4R is sourced from the original manufacturer or authorized distributors?
All ZSSC4175DE4R 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 ZSSC4175DE4R meets industry standards.
7.What is the process for return or replacement of ZSSC4175DE4R?
All ZSSC4175DE4R units undergo pre-shipment inspection (PSI). If there is an issue with ZSSC4175DE4R, 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 ZSSC4175DE4R part is unused and in its original packaging.
Return procedure for ZSSC4175DE4R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ZSSC4175DE4R Tags
-
TPS562201DDCR
Texas Instruments
-
MC34063ABD-TR
STMicroelectronics
-
TPS561201DDCR
Texas Instruments
-
MC33063ADR
Texas Instruments
-
MC34063ADR
Texas Instruments
-
TPS560200DBVR
Texas Instruments
-
AP3012KTR-G1
Diodes Incorporated
-
TLV61048DBVR
Texas Instruments
-
AZ34063UMTR-G1
Diodes Incorporated
-
TPS562200DDCR
Texas Instruments
-
AP62300TWU-7
Diodes Incorporated
-
MC34063EBD-TR
STMicroelectronics
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
