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Renesas ZSSC4169DE2R
- Part No.:
- ZSSC4169DE2R
- Manufacturer:
- Renesas
- Package:
- -
- Datasheet:
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ZSSC4169DE2R.pdf
- Description:
- IC REG PQFN
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Product details
Overview
ZSSC4169DE2R from Renesas is an automotive-grade resistive sensor signal conditioner IC that performs high-accuracy amplification, digital compensation, and SENT-output formatting for differential bridge sensors. It delivers ±0.5% FS accuracy from −40°C to +150°C, supports 14-bit bridge ADC resolution and 12-bit SENT output, and integrates a 16-bit RISC microcontroller for offset/gain/nonlinearity/temperature drift correction-used in brake pressure and hydraulic steering systems.
For engineers reviewing the ZSSC4169DE2R datasheet, ZSSC4169DE2R pinout, ZSSC4169DE2R application, or ZSSC4169DE2R equivalent, key selection criteria include AEC-Q100 Grade 0 qualification, SENT v3.0 Fast + SDM channel support, internal/external temperature reference selection, 24-QFN wettable flanks package, and one-pass end-of-line calibration via One-Wire Interface.
Technical Context
The ZSSC4169DE2R implements a full-signal-path conditioning architecture: a programmable gain amplifier (PGA) with up to 200× analog gain feeds a 14-bit ADC; digital correction uses stored NVM coefficients for 2nd- and 3rd-order nonlinearity, sensitivity TC, and offset TC. Temperature compensation leverages either on-chip PTAT or external diode sensors.
Sensor data is serialized via SAE J2716 Rev. 3.0-compliant SENT interface-Fast Channel transmits primary measurement values, SDM Channel conveys supplementary data (e.g., diagnostics, ID), both on a single DOUT pin. Calibration occurs digitally over the same pin using One-Wire Interface, eliminating analog trimming.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | −40°C to +150°C: Enables direct mounting in engine bay or brake modules without external thermal shielding. |
| Accuracy | ±0.5% FS across full temp range: Meets ASIL C functional safety requirements for pressure sensing in braking systems. |
| Bridge Input Span | 1–800 mV/V: Configurable for low-output strain gauges and high-output thick-film bridges without external scaling. |
| ADC Resolution | 14-bit: Provides ≥16,384 discrete steps for fine-grained linearization of nonlinear bridge responses. |
| SENT Output | SAE J2716 Rev. 3.0 Fast + SDM channels: Delivers primary measurement and diagnostic metadata over one wire, reducing harness cost. |
| Supply Voltage | 4.75 V to 5.25 V: Compatible with standard automotive 5 V regulators; includes ±18 V overvoltage/reverse polarity protection. |
| NVM Memory | Nonvolatile storage for calibration coefficients and configuration: Enables permanent end-of-line calibration without battery backup or EEPROM external to IC. |
Pinout & Package
Package: 24-pin QFN (4 mm × 4 mm, wettable flanks, NLG24S2 footprint). Exposed thermal pad enhances power dissipation in high-temp automotive environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BR1P / BR1N / BR2P / BR2N | Differential bridge inputs | Accept full-bridge Wheatstone configurations; support ratiometric or constant-current excitation. |
| TS1 / TS2 | Temperature sensor inputs | Interface to external diode sensors or select internal PTAT reference for dual-point temperature compensation. |
| DOUT | SENT output / OWI bidirectional | Single-pin digital interface for SENT Fast/SDM transmission and One-Wire calibration communication. |
| VDDA / VSSA | Analog supply / ground | Separate analog domain for precision signal path; decoupling required per layout guidelines. |
| VDDE / VSSE | Digital supply / ground | Isolated digital domain powers SENT logic and microcontroller; reduces coupling noise into analog section. |
| TOP / BOT | Bridge excitation control | Enable/disable bridge biasing; support low-power sleep modes and sequential sensor scanning. |
Key Features
| Feature | Design Value |
|---|---|
| Digital nonlinearity correction | Compensates 2nd- and 3rd-order polynomial errors in bridge response using NVM-stored coefficients-no external lookup tables needed. |
| SENT Fast + SDM dual-channel | Transmits calibrated pressure value on Fast Channel and sensor ID/diagnostic flags on SDM Channel-enables ECU-level fault logging without extra wiring. |
| One-pass OWI calibration | End-of-line calibration completes in single production step via DOUT pin; eliminates laser trimming stations and reduces test floor footprint. |
| AEC-Q100 Grade 0 | Qualified for 150°C ambient operation with robust EMC and built-in diagnostics-meets OEM requirements for under-hood pressure sensors. |
| No external components | Integrates PGA, ADC, microcontroller, SENT driver, and NVM-reduces BOM count and PCB area vs. discrete signal chain solutions. |
Applications
| Brake Fluid Pressure Sensing | Hydraulic Power Steering |
|---|---|
Use Scenario: Real-time monitoring of master cylinder pressure during ABS/ESC actuation in passenger vehicles and commercial trucks. IC Role / Device Role / Timing Role: Signal conditioner converts bridge output from piezoresistive pressure sensor into SENT-coded pressure value with temperature compensation. Use Value: ±0.5% FS accuracy ensures reliable pressure threshold detection for brake assist and stability control algorithms. | Use Scenario: Closed-loop feedback for electric-hydraulic power steering (EHPS) systems requiring precise fluid pressure regulation. IC Role / Device Role / Timing Role: ZSSC4169DE2R conditions steering rack pressure sensor signal and reports via SENT Fast Channel for real-time ECU torque calculation. Use Value: 14-bit ADC resolution enables <1 kPa pressure step detection, improving steering feel and responsiveness. |
| Pneumatic Air Brake Systems | Industrial Hydraulic Monitoring |
Use Scenario: Pressure monitoring in rail and heavy-duty truck air brake reservoirs and service chambers. IC Role / Device Role / Timing Role: ZSSC4169DE2R interfaces with stainless-steel diaphragm bridge sensors and outputs SENT-compliant data for brake system controllers. Use Value: −40°C to +150°C operation allows direct mounting on pneumatic valves without remote sensing or thermal buffering. | Use Scenario: Condition monitoring of hydraulic actuators in off-highway equipment (e.g., excavators, harvesters) operating in dusty, high-vibration environments. IC Role / Device Role / Timing Role: Performs gain/offset/temperature drift correction on load cell signals and transmits diagnostics via SENT SDM Channel. Use Value: Built-in overvoltage (±18 V) and reverse polarity protection eliminate need for external TVS or polarity-reversal circuits. |
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 sensor front-end with I²C output; no SENT interface; 16-bit ADC but no integrated NVM-based polynomial correction. | Targeted at position/angle sensing-not optimized for high-accuracy pressure bridge conditioning or ASIL C diagnostics. | Select when magnetic sensing is required and SENT is not mandated by ECU architecture. |
| Infineon DPS310 | Integrated pressure/temperature sensor with I²C/SPI output; monolithic MEMS die-no external bridge support or user-configurable NVM calibration. | Designed for barometric pressure; lacks bridge input flexibility, SENT compliance, and −40°C to +150°C extended range. | Choose only for compact, self-contained absolute pressure measurement where external bridge interfacing is unnecessary. |
Compared with MLX90393 and DPS310, the ZSSC4169DE2R uniquely combines SENT v3.0 output, AEC-Q100 Grade 0 qualification, full NVM-based 3rd-order bridge compensation, and configurable bridge excitation-making it the only option qualified for safety-critical automotive pressure sensing with legacy ECU SENT receivers.
Availability
ZSSC4169DE2R is available at Aetrix Electronics and suitable for brake pressure sensing, hydraulic steering feedback, and pneumatic air brake monitoring requiring stable component supply across automotive Tier-1 production programs.
Supply support for ZSSC4169DE2R 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 is a global semiconductor manufacturer specializing in microcontrollers, analog, power, and connectivity solutions for automotive, industrial, and infrastructure markets.
The ZSSC4169DE2R belongs to Renesas' Smart Sensor Conditioner (SSC) product line, engineered specifically for high-accuracy, ASIL-ready signal conditioning of resistive bridge sensors in harsh automotive environments.
FAQ
What is the primary function of the ZSSC4169DE2R?
The ZSSC4169DE2R is a dedicated automotive resistive sensor signal conditioner IC that acquires, amplifies, digitally compensates, and formats output from differential bridge sensors. It performs real-time correction of offset, gain, sensitivity TC, and nonlinearity using NVM-stored coefficients-and delivers calibrated data via SENT interface. The ZSSC4169DE2R is not a general-purpose ADC or MCU; its architecture is purpose-built for bridge-based pressure, force, and load sensing.
Does the ZSSC4169DE2R support both internal and external temperature references?
Yes, the ZSSC4169DE2R supports dual temperature reference modes: internal PTAT circuitry or external diode sensors connected to TS1/TS2 pins. This flexibility allows designers to choose between on-die thermal tracking for cost-sensitive applications or higher-accuracy external diodes placed near the mechanical stress point. Both modes feed into the same digital compensation engine used by the ZSSC4169DE2R.
What SENT protocol version does the ZSSC4169DE2R implement?
The ZSSC4169DE2R implements SAE J2716 Revision 3.0, supporting both Fast Channel (for primary measurement data) and Serial Data Message (SDM) Channel (for diagnostics, sensor ID, and status flags) on a single DOUT pin. It does not support J2716 Rev. 2.0 or custom SENT variants. The ZSSC4169DE2R's SENT timing meets all pulse-width tolerance and frame synchronization requirements defined in the standard.
Is the ZSSC4169DE2R qualified for automotive safety applications?
Yes, the ZSSC4169DE2R is AEC-Q100 Grade 0 qualified (−40°C to +150°C) and explicitly supports ASIL C safety applications per Renesas documentation. It includes diagnostic features such as supply voltage monitoring, temperature sanity checks, memory CRC, and SENT frame error detection-all accessible via the ZSSC4169DE2R's internal registers and reported through SDM Channel.
Can the ZSSC4169DE2R be calibrated without external hardware?
No-the ZSSC4169DE2R requires external calibration equipment communicating via its One-Wire Interface (OWI) on the DOUT pin. However, calibration is fully digital: no analog trim pots, lasers, or manual adjustments are needed. The ZSSC4169DE2R stores all coefficients in on-chip NVM, enabling one-pass end-of-line calibration during final test-reducing production time versus multi-step analog methods.
ZSSC4169DE2R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- *
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- 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:
- -
- Qualification:
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- -
- Supplier Device Package:
- -
ZSSC4169DE2R FAQ
1.How can I place an order for ZSSC4169DE2R through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSSC4169DE2R 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 ZSSC4169DE2R reliable?
The price and inventory of ZSSC4169DE2R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSSC4169DE2R is usually 5 days.
3.What payment methods are accepted for ZSSC4169DE2R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSSC4169DE2R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSSC4169DE2R?
ZSSC4169DE2R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSSC4169DE2R 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 ZSSC4169DE2R?
For technical support, including ZSSC4169DE2R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSSC4169DE2R requirements.
6.How does Aetrix verify that ZSSC4169DE2R is sourced from the original manufacturer or authorized distributors?
All ZSSC4169DE2R 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 ZSSC4169DE2R meets industry standards.
7.What is the process for return or replacement of ZSSC4169DE2R?
All ZSSC4169DE2R units undergo pre-shipment inspection (PSI). If there is an issue with ZSSC4169DE2R, 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 ZSSC4169DE2R part is unused and in its original packaging.
Return procedure for ZSSC4169DE2R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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