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Renesas ZSSC4169DE4R
- Part No.:
- ZSSC4169DE4R
- Manufacturer:
- Renesas
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ZSSC4169DE4R.pdf
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- IC REG PQFN
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Product details
Overview
ZSSC4169DE4R from Renesas Electronics is an automotive-grade resistive sensor signal conditioner IC with SENT digital output, designed for high-accuracy conditioning of differential bridge sensors. It delivers 14-bit ADC resolution, ±0.5% FS accuracy across −40°C to +150°C, and supports both internal PTAT and external diode temperature references-enabling precise pressure sensing in brake and hydraulic systems.
For engineers reviewing the ZSSC4169DE4R datasheet, ZSSC4169DE4R pinout, ZSSC4169DE4R application, or ZSSC4169DE4R equivalent, key selection criteria include SENT compliance (SAE J2716 Rev 3.0), AEC-Q100 Grade 0 qualification, 24-QFN wettable flanks package, 4.75–5.25 V supply, and integrated 16-bit RISC microcontroller for on-chip digital compensation of offset, gain, nonlinearity, and temperature drift.
Technical Context
The ZSSC4169DE4R implements a full-signal-path architecture: differential bridge input feeds into a programmable gain amplifier (PGA) with up to 200× analog gain, then a 14-bit ADC, followed by digital correction via its embedded 16-bit RISC MCU. Compensation algorithms operate on stored NVM calibration coefficients for offset, gain, sensitivity TC, and 2nd/3rd-order nonlinearity.
It supports dual-channel SENT output: Fast Channel (FC) for primary sensor data and Serial Data Message (SDM) channel for supplementary values (e.g., temperature, diagnostics, ID), all transmitted over a single SENT pin. End-of-line calibration uses the same pin via One-Wire Interface (OWI), eliminating analog trimming.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.75 V to 5.25 V - ensures stable operation within automotive battery rail tolerances without external regulators. |
| Operating Temp Range | −40°C to +150°C - qualified for under-hood and transmission-mounted pressure sensing applications. |
| Accuracy | ±0.5% FS - guaranteed total error including linearity, hysteresis, and temperature-induced drift over full range. |
| Bridge Input Span | 1 mV/V to 800 mV/V - accommodates low-output strain gauges and high-sensitivity ceramic bridges without external scaling. |
| ADC Resolution | 14-bit - provides ≥16,384 discrete steps for fine-grained sensor signal digitization prior to digital correction. |
| SENT Compliance | SAE J2716 Rev 3.0 - enables interoperability with standard automotive ECUs supporting Fast Channel and SDM messaging. |
| Output Resolution | 12-bit via SENT - maps corrected sensor value to standardized 12-bit SENT message payload for ECU decoding. |
Pinout & Package
Package: 24-pin QFN (4 mm × 4 mm, wettable flanks, NLG24S2); RoHS-compliant, MSL1, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BR1P / BR1N | Differential bridge input positive/negative | Primary full-bridge sensor interface with programmable PGA gain; supports ratiometric or absolute excitation. |
| TS1 / TS2 | External temperature sensor inputs | Accepts external diode-connected transistors for remote temperature reference; configurable as alternate or supplemental to internal PTAT. |
| VDDA / VSSA | Analog supply and ground | Separate analog domain power pins minimize noise coupling into sensitive bridge signal path. |
| SENT | Digital output and OWI bidirectional pin | Single-pin SENT interface carrying FC/SDM data and enabling digital end-of-line calibration without extra I/O. |
| VDDE / VSSE | Digital supply and ground | Isolated digital domain supply reduces switching noise impact on analog measurement integrity. |
Key Features
| Feature | Design Value |
|---|---|
| Digital nonlinearity compensation | Corrects 2nd- and 3rd-order polynomial nonlinearity using NVM-stored coefficients-eliminates need for analog linearization networks. |
| Integrated 16-bit RISC MCU | Executes real-time sensor conditioning algorithms (offset/gain/TC/nonlinearity) without host processor involvement-reduces system-level processing load. |
| AEC-Q100 Grade 0 qualification | Validated for 150°C ambient operation and automotive stress testing-ensures reliability in engine bay and transmission control modules. |
| One-pass end-of-line calibration | Enables full sensor characterization (including temperature sweep) in a single production step via OWI-lowers test time and fixture complexity. |
| Overvoltage & reverse polarity protection | Withstands ±18 V on supply pins-protects against jump-start, load-dump, and battery reversal events common in 12 V vehicle systems. |
Applications
| Fluid Brake Pressure Sensing | Hydraulic Steering Pressure Sensing |
|---|---|
Use Scenario: Real-time monitoring of master cylinder or ABS modulator pressure in passenger and commercial vehicle braking systems. IC Role / Device Role / Timing Role: Signal conditioner converting millivolt-level bridge output from piezoresistive pressure transducers into SENT-coded digital pressure values. Use Value: Delivers ±0.5% FS accuracy across −40°C to +150°C, meeting ASIL-C functional safety requirements for brake-by-wire subsystems. | Use Scenario: Closed-loop feedback for electric-hydraulic power steering (EHPS) systems measuring assist pressure in hydraulic lines. IC Role / Device Role / Timing Role: Primary sensor interface providing SENT-fast-channel pressure data synchronized with steering angle and torque signals. Use Value: 12-bit SENT output enables deterministic latency (< 100 µs) and robust EMC performance in noisy motor-driven environments. |
| Pneumatic Air Brake Systems | Industrial Hydraulic Monitoring |
Use Scenario: Pressure monitoring in commercial truck air brake reservoirs and service chambers for fail-safe actuation control. IC Role / Device Role / Timing Role: Automotive-qualified signal conditioner interfacing with ruggedized ceramic bridge sensors in harsh, high-vibration environments. Use Value: Wettable flanks QFN package supports automated optical inspection (AOI), and AEC-Q100 Grade 0 ensures long-term stability at 150°C ambient. | Use Scenario: Retrofit or OEM integration into industrial hydraulic manifolds for predictive maintenance and pressure profiling. IC Role / Device Role / Timing Role: Standalone bridge signal conditioner enabling legacy analog sensors to interface with modern SENT-capable PLCs or gateways. Use Value: No external components required-replaces discrete op-amp/ADC/microcontroller designs with single-chip solution reducing BOM count and layout area. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar resistive bridge signal conditioning applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Melexis MLX90393 | Tri-axis Hall-effect sensor front-end with I²C output; no SENT interface or bridge input support. | Targets magnetic position sensing-not compatible with resistive bridge pressure sensors. | Select only for Hall-based rotary/linear position applications requiring I²C or PWM output. |
| Infineon DPS310 | Capacitive barometric pressure sensor with integrated DSP and I²C/SPI; no bridge input or SENT output. | Designed for atmospheric pressure measurement in consumer/industrial devices-not rated for automotive AEC-Q100 or 150°C operation. | Choose for low-power, high-resolution barometric sensing where SENT interface and automotive qualification are not required. |
Compared with MLX90393 and DPS310, the ZSSC4169DE4R uniquely combines SENT-compliant digital output, AEC-Q100 Grade 0 qualification, and dedicated resistive bridge signal conditioning-including 14-bit ADC, PGA, and on-chip polynomial compensation-making it the only viable option for automotive pressure sensing with legacy bridge transducers.
Availability
ZSSC4169DE4R is available at Aetrix Electronics and suitable for fluid brake pressure sensing, hydraulic steering systems, pneumatic air brake monitoring, and industrial hydraulic control applications requiring stable component supply, automotive qualification, and SENT interface compatibility.
Supply support for ZSSC4169DE4R 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 solutions for automotive, industrial, and IoT markets.
The ZSSC4169DE4R belongs to Renesas' Smart Sensor Conditioner (SSC) product line, engineered specifically for high-accuracy, automotive-grade conditioning of resistive bridge sensors in safety-critical pressure and force measurement systems.
FAQ
What is the primary function of the ZSSC4169DE4R?
The ZSSC4169DE4R is a dedicated automotive resistive sensor signal conditioner IC that amplifies, digitizes, and digitally corrects signals from differential bridge sensors-such as piezoresistive pressure transducers-then outputs calibrated data via SENT protocol. Its core function is to replace multi-component analog signal chains with a single, AEC-Q100-qualified chip delivering ±0.5% FS accuracy across −40°C to +150°C.
Does the ZSSC4169DE4R support external temperature sensors?
Yes, the ZSSC4169DE4R supports external temperature sensing via dedicated TS1 and TS2 pins, accepting diode-connected transistors for remote temperature reference. This capability complements or replaces the internal PTAT sensor, enabling accurate thermal compensation of bridge sensor outputs in applications where ambient or mounting-point temperature differs from die temperature.
What SENT protocol version does the ZSSC4169DE4R implement?
The ZSSC4169DE4R implements SAE J2716 Revision 3.0 SENT protocol, supporting both Fast Channel (FC) for primary sensor data and Serial Data Message (SDM) channel for supplementary information-including temperature, diagnostics, and device identification-all transmitted over a single SENT output pin.
Is the ZSSC4169DE4R pin-compatible with other members of the ZSSC4169 family?
No-ZSSC4169DE4R uses the 24-QFN (NLG24S2) package with wettable flanks, while other variants like ZSSC4169DE5R use 16-TSSOP (ENG16). Pin counts, layouts, and thermal pad configurations differ between packages; PCB design must match the specific variant's mechanical and electrical footprint.
What calibration method does the ZSSC4169DE4R use during production?
The ZSSC4169DE4R supports one-pass, end-of-line digital calibration via its SENT pin operating in One-Wire Interface (OWI) mode. This allows full characterization-including offset, gain, nonlinearity, and temperature coefficients-at final test without external DACs, trimmers, or lasers, significantly reducing production cost and test time compared to analog trimming methods.
ZSSC4169DE4R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- *
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- -
- Output Configuration:
- -
- Topology:
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- Output Type:
- -
- Number of Outputs:
- -
- Voltage - Input (Min):
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- Voltage - Input (Max):
- -
- Voltage - Output (Min/Fixed):
- -
- Voltage - Output (Max):
- -
- Current - Output:
- -
- Frequency - Switching:
- -
- Synchronous Rectifier:
- -
- Operating Temperature:
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ZSSC4169DE4R FAQ
1.How can I place an order for ZSSC4169DE4R through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSSC4169DE4R 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 ZSSC4169DE4R reliable?
The price and inventory of ZSSC4169DE4R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSSC4169DE4R is usually 5 days.
3.What payment methods are accepted for ZSSC4169DE4R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSSC4169DE4R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSSC4169DE4R?
ZSSC4169DE4R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSSC4169DE4R 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 ZSSC4169DE4R?
For technical support, including ZSSC4169DE4R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSSC4169DE4R requirements.
6.How does Aetrix verify that ZSSC4169DE4R is sourced from the original manufacturer or authorized distributors?
All ZSSC4169DE4R 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 ZSSC4169DE4R meets industry standards.
7.What is the process for return or replacement of ZSSC4169DE4R?
All ZSSC4169DE4R units undergo pre-shipment inspection (PSI). If there is an issue with ZSSC4169DE4R, 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 ZSSC4169DE4R part is unused and in its original packaging.
Return procedure for ZSSC4169DE4R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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