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Renesas ZSSC4132CE5R
- Part No.:
- ZSSC4132CE5R
- Manufacturer:
- Renesas
- Category:
- Sensor and Detector Interfaces
- Package:
- -
- Datasheet:
-
ZSSC4132CE5R.pdf
- Description:
- TSSOP16
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Product details
Overview
ZSSC4132CE5R from Renesas Electronics is an automotive-grade resistive sensor signal conditioner with integrated LIN 2.2A interface, differential bridge input (1–900 mV/V), on-chip PN-junction temperature sensor, and 12–14-bit effective ADC resolution. It performs digital compensation of offset, gain, nonlinearity, and temperature drift for pressure and HVAC sensing in vehicles.
For engineers reviewing the ZSSC4132CE5R datasheet, ZSSC4132CE5R pinout, ZSSC4132CE5R application, or ZSSC4132CE5R equivalent, this device supports one-pass end-of-line calibration via LIN, operates from −40°C to +150°C, delivers ±0.5% FS accuracy, and integrates NVM for configuration storage without external trimming components.
Technical Context
The ZSSC4132CE5R implements a 16-bit RISC microcontroller-based digital core that executes sensor-specific correction algorithms-including 2nd- and 3rd-order polynomial compensation for bridge output and temperature coefficients. Its analog front-end includes a programmable gain amplifier (PGA) with 150–200× max pre-amplification and selectable input paths for internal/external temperature sensors (TS1/TS2, RTD, KTY, or external PN diode).
It features dual LIN interfaces: primary LIN (pin 1) compliant with LIN Specification Package 2.2A for data transmission and calibration, and secondary LIN2 (pin 24) supporting slave node position detection via bus shunt method. Power management includes overvoltage protection up to ±40 V (with external diode at VBAT) and reverse-polarity protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 7 V to 18 V - supports direct connection to automotive battery rail with built-in overvoltage tolerance. |
| Operating Temperature | −40°C to +150°C - qualified for under-hood and HVAC module placement in passenger vehicles. |
| Accuracy | ±0.5% FS - guaranteed full-scale error across full temperature range after digital calibration. |
| Input Span Range | 1 mV/V to 900 mV/V - configurable for nearly all resistive bridge sensors including pressure, load, and torque transducers. |
| Effective ADC Resolution | 12–14 bit - enables high-fidelity digitization of low-level bridge outputs before nonlinear correction. |
| LIN Compliance | LIN Specification Package 2.2A - ensures interoperability with standard automotive LIN master nodes and diagnostic tools. |
| NVM Capacity | Non-volatile memory stores calibration coefficients, configuration, and user-defined measurement functions - eliminates need for external EEPROM or factory trimming. |
Pinout & Package
Package: 24-QFN (4 mm × 4 mm, wettable flanks), MSL1, suitable for automated optical inspection (AOI) and reflow soldering in automotive production.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| LIN (Pin 1) | LIN Bus Interface | Primary LIN 2.2A transceiver I/O for sensor data output, product ID, and end-of-line calibration communication. |
| VBAT (Pin 3) | Main Supply Input | 7–18 V automotive battery input with integrated reverse-polarity and overvoltage protection circuitry. |
| TOP / BOT / BRP / BRN (Pins 11, 12, 13, 14) | Bridge Sensor Interface | Differential inputs for Wheatstone bridge excitation and sensing - supports both constant-current and constant-voltage drive modes. |
| TS1 / TS2 (Pins 10, 17) | Temperature Sensor Inputs | Accepts on-chip PN junction or external RTD/PT1000/KTY sensors for dual-point temperature compensation. |
| LIN2 (Pin 24) | Secondary LIN I/O | Enables bus shunt method for automatic slave node position detection on LIN network without additional hardware. |
Key Features
| Feature | Design Value |
|---|---|
| One-pass end-of-line calibration | Reduces production line time and eliminates manual trimming; executed digitally over LIN without external equipment contact. |
| Selectably configurable temperature sensing | Supports simultaneous use of internal PN junction and external RTD/KTY sensors for multi-source thermal compensation. |
| Dual LIN interface capability | LIN (Pin 1) handles data and calibration; LIN2 (Pin 24) enables autonomous node addressing-no host-side enumeration logic required. |
| No external passive components required | Full signal conditioning chain-including PGA, ADC, digital correction, and LIN driver-is self-contained in-package. |
| Automotive-grade fault diagnostics | Includes supply monitoring, temperature watchdog, bridge open/short detection, and LIN communication error reporting per ISO 17987. |
Applications
| Automotive HVAC Pressure Sensing | Engine Bay Coolant Temperature Monitoring |
|---|---|
Use Scenario: Integrated cabin pressure feedback in vehicle climate control modules to maintain precise airflow and refrigerant cycle balance. IC Role / Device Role / Timing Role: Signal conditioner acquires differential bridge output from piezoresistive pressure sensor and compensates for thermal drift using on-chip PN junction. Use Value: Delivers ±0.5% FS accuracy across −40°C to +150°C, enabling closed-loop HVAC control without recalibration during vehicle lifetime. | Use Scenario: Real-time coolant temperature measurement in engine management systems using PT1000 RTD sensor. IC Role / Device Role / Timing Role: ZSSC4132CE5R conditions RTD voltage drop, applies 3rd-order polynomial correction, and transmits calibrated value via LIN frame. Use Value: Eliminates external ADC, lookup tables, and analog compensation networks-reducing BOM count and PCB area by >40%. |
| Brake System Master Cylinder Pressure | Electric Power Steering (EPS) Torque Sensing |
Use Scenario: Safety-critical pressure monitoring in hydraulic brake assist systems where signal integrity and fault reporting are mandated. IC Role / Device Role / Timing Role: Performs real-time bridge signal amplification, offset/gain/temperature drift correction, and LIN-based diagnostic message transmission. Use Value: Meets ASIL-B requirements via integrated diagnostics (open/short detection, supply monitoring) and LIN error frame reporting. | Use Scenario: High-precision torque measurement in EPS motor control units using strain-gauge-based torsion bar sensors. IC Role / Device Role / Timing Role: Digitally corrects nonlinearity and thermal hysteresis of torsion sensor bridge while synchronizing temperature sampling with torque acquisition. Use Value: Achieves <1.5 LSB total unadjusted error over full operating range-enabling smoother steering assist response and reduced ECU computational load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar resistive sensor signal conditioning applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Melexis MLX90393 | Tri-axis Hall-effect sensor interface with I²C output; no LIN support; lower temp range (−40°C to +125°C); lacks bridge input architecture. | Targeted at magnetic position sensing-not resistive bridge or pressure transducers. | Select only for Hall-based rotary/linear position sensing; not a functional substitute for ZSSC4132CE5R in bridge applications. |
| Analog Devices AD8422 + ADuC7023 | Discrete instrumentation amp + ARM7 MCU solution; requires external NVM, LIN transceiver, and calibration firmware development. | Suitable for custom high-flexibility designs but increases validation effort and time-to-market. | Choose when proprietary calibration algorithms or mixed-signal integration beyond ZSSC4132CE5R capabilities are required. |
Compared with MLX90393 and AD8422+ADuC7023, the ZSSC4132CE5R provides fully integrated, automotive-qualified LIN-connected bridge signal conditioning with zero external components, certified −40°C to +150°C operation, and factory-calibrated NVM-reducing design risk and qualification burden for Tier-1 HVAC and brake pressure modules.
Availability
ZSSC4132CE5R is available at Aetrix Electronics and suitable for automotive HVAC subsystems, brake pressure monitoring, engine coolant sensing, and electric power steering torque measurement requiring stable component supply and long-term lifecycle support.
Supply support for ZSSC4132CE5R 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 specializing in microcontrollers, analog, power, and connectivity solutions for automotive, industrial, and IoT markets.
The ZSSC4132CE5R belongs to Renesas' Smart Sensor Conditioner (SSC) product line, engineered specifically for high-accuracy, single-chip signal conditioning of resistive bridge sensors in harsh automotive environments.
FAQ
What is the maximum bridge excitation voltage supported by the ZSSC4132CE5R?
The ZSSC4132CE5R does not apply fixed bridge excitation voltage; instead, it supports configurable constant-current or constant-voltage drive modes via TOP/BOT/BRP/BRN pins. The analog front-end accepts input spans from 1 mV/V to 900 mV/V, meaning it accommodates bridge outputs generated by typical 1–5 V excitation sources. Full specification is defined in the Renesas ZSSC4132 datasheet Section 6.2.
Does the ZSSC4132CE5R support both internal and external temperature sensors simultaneously?
Yes, the ZSSC4132CE5R supports concurrent use of its on-chip PN-junction temperature sensor and external temperature sensors (e.g., RTD, KTY, or discrete PN diodes) on TS1 and TS2 pins. This dual-sensing capability enables cross-compensated correction models-for example, using on-die temperature for bridge drift and external RTD for media temperature in HVAC pressure modules.
Can the ZSSC4132CE5R be calibrated without a dedicated programming interface?
Yes, the ZSSC4132CE5R supports one-pass end-of-line calibration entirely over the LIN interface (Pin 1). No separate programming header, SWD/JTAG, or external calibration tool is required. Calibration coefficients are written into on-chip NVM using standard LIN frames, reducing test fixture complexity and assembly cost.
Is the ZSSC4132CE5R pin-compatible with other devices in the ZSSC4132 family?
Yes, all ZSSC4132 variants-including ZSSC4132CE4R and ZSSC4132CE5R-share identical 24-QFN package, pinout, and electrical interface. Differences are limited to factory-programmed NVM content and minor configuration defaults; no PCB redesign is needed when migrating between CE4R and CE5R versions.
What diagnostic features does the ZSSC4132CE5R provide for ASIL-B compliance?
The ZSSC4132CE5R includes supply voltage monitoring, temperature watchdog, bridge open/short detection, LIN communication error reporting, and NVM integrity checking-all documented in Renesas Application Note AN-927. These features collectively support ASIL-B decomposition in systems like brake pressure sensors when combined with appropriate system-level redundancy and fault handling.
ZSSC4132CE5R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Type:
- -
- Input Type:
- -
- Output Type:
- -
- Current - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
ZSSC4132CE5R FAQ
1.How can I place an order for ZSSC4132CE5R through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSSC4132CE5R 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 ZSSC4132CE5R reliable?
The price and inventory of ZSSC4132CE5R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSSC4132CE5R is usually 5 days.
3.What payment methods are accepted for ZSSC4132CE5R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSSC4132CE5R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSSC4132CE5R?
ZSSC4132CE5R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSSC4132CE5R 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 ZSSC4132CE5R?
For technical support, including ZSSC4132CE5R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSSC4132CE5R requirements.
6.How does Aetrix verify that ZSSC4132CE5R is sourced from the original manufacturer or authorized distributors?
All ZSSC4132CE5R 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 ZSSC4132CE5R meets industry standards.
7.What is the process for return or replacement of ZSSC4132CE5R?
All ZSSC4132CE5R units undergo pre-shipment inspection (PSI). If there is an issue with ZSSC4132CE5R, 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 ZSSC4132CE5R part is unused and in its original packaging.
Return procedure for ZSSC4132CE5R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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