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Renesas ZSSC4169DE4W
- Part No.:
- ZSSC4169DE4W
- Manufacturer:
- Renesas
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- -
- Datasheet:
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ZSSC4169DE4W.pdf
- Description:
- IC REG PQFN
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Product details
Overview
ZSSC4169DE4W from Renesas Electronics is an automotive-grade resistive sensor signal conditioner IC with SENT digital output, designed for differential bridge sensors in harsh environments. It delivers 14-bit ADC resolution, ±0.5% FS accuracy across −40°C to +150°C, and integrated digital compensation for offset, gain, sensitivity, temperature drift, and nonlinearity - enabling high-precision pressure sensing in brake and steering systems.
For engineers reviewing the ZSSC4169DE4W datasheet, ZSSC4169DE4W pinout, ZSSC4169DE4W application, or ZSSC4169DE4W equivalent, key selection criteria include SENT compliance (SAE J2716 Rev 3.0), AEC-Q100 Grade 0 qualification, 24-QFN wettable flanks package, one-wire end-of-line calibration support, and dual-channel (Fast Channel + SDM) data transmission capability.
Technical Context
The ZSSC4169DE4W integrates a 16-bit RISC microcontroller for real-time digital correction of bridge sensor signals, supporting both internal PTAT and external diode temperature references. Its signal path includes a programmable gain amplifier (PGA) with up to 200× analog pre-amplification and a 14-bit ADC feeding into configurable conditioning algorithms.
Digital output is delivered via a single-pin SENT interface compliant with SAE J2716 Rev 3.0, transmitting primary sensor data on the Fast Channel and supplementary diagnostics or identification data on the Serial Data Message (SDM) channel. Calibration coefficients and configuration are stored in on-chip NVM qualified for automotive reliability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp Range | −40°C to +150°C - supports under-hood automotive deployment without external thermal management. |
| Accuracy | ±0.5% FS - guaranteed full-scale error over full temperature range, critical for ASIL C safety-critical pressure sensing. |
| Bridge Input Span | 1–800 mV/V - accommodates low-output strain gauges and high-sensitivity piezoresistive bridges without external scaling. |
| ADC Resolution | 14-bit - provides ≥16,384 discrete measurement levels for fine-grained sensor linearization. |
| SENT Output | SAE J2716 Rev 3.0 compliant - enables deterministic, noise-immune digital communication over single wire with Fast + SDM channels. |
| Supply Voltage | 4.75 V to 5.25 V - tightly regulated rail requirement compatible with standard automotive 5 V LDOs. |
| NVM Type | Nonvolatile memory - stores calibrated coefficients and user configuration for permanent retention after power cycling. |
Pinout & Package
Package: 24-pin QFN (4 mm × 4 mm, wettable flanks, NLG24S2 footprint). Exposed thermal pad enhances thermal dissipation in high-power automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BR1P / BR1N / BR2P / BR2N | Differential bridge inputs | Accept full-bridge sensor excitation and signal return; support ratiometric or constant-current drive configurations. |
| VDDA / VSSA | Analog supply & ground | Isolated analog domain powering PGA, ADC, and reference circuitry to minimize digital noise coupling. |
| TS1 / TS2 | Temperature sensor inputs | Interface to external diode or internal PTAT junction for dual-point temperature compensation. |
| SENT | Digital output & OWI bidirectional | Single-pin SENT data transmission and One-Wire Interface for end-of-line calibration - eliminates need for separate programming pins. |
| VDDE / VSSE | Digital supply & ground | Power domain for RISC core, SENT logic, and NVM - decoupled from analog section for EMI robustness. |
| TOP / BOT | Bridge excitation control | Enable/disable internal bridge excitation current sources; support top- or bottom-side switching for flexible sensor biasing. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-channel SENT output | Simultaneous transmission of primary sensor data (Fast Channel) and diagnostics/ID (SDM Channel) on one pin - reduces wiring harness complexity and ECU pin count. |
| On-chip 16-bit RISC MCU | Executes full sensor conditioning algorithm (offset/gain/nonlinearity/temp drift) in real time - eliminates need for host processor intervention during measurement. |
| AEC-Q100 Grade 0 | Qualified for operation up to +150°C ambient - meets requirements for engine bay and transmission-mounted pressure sensors. |
| One-pass end-of-line calibration | Enables complete coefficient programming via SENT/OWI in final assembly - removes laser trimming, external DACs, or manual potentiometer adjustment. |
| Overvoltage & reverse polarity protection | Withstands ±18 V transients - protects against battery jump-start, load dump, and incorrect connection in 12 V automotive systems. |
Applications
| Fluid Brake Pressure Sensing | Hydraulic Steering Pressure Sensing |
|---|---|
Use Scenario: Real-time monitoring of master cylinder pressure in ABS and ESC systems. IC Role / Device Role / Timing Role: Signal conditioner converting piezoresistive bridge output to SENT-compliant digital pressure value with temperature compensation. Use Value: ±0.5% FS accuracy ensures reliable brake force estimation across −40°C to +150°C, directly supporting ASIL C functional safety goals. | Use Scenario: Closed-loop feedback for electric-hydraulic power steering (EHPS) actuators. IC Role / Device Role / Timing Role: High-speed SENT output delivers sub-100 µs latency pressure updates to steer-by-wire controllers. Use Value: 14-bit ADC resolution and fast-channel SENT enable precise hydraulic assist modulation at 100+ Hz update rates. |
| Pneumatic Air Brake Systems | Industrial Hydraulic Load Monitoring |
Use Scenario: Pressure monitoring in commercial vehicle air brake reservoirs and lines. IC Role / Device Role / Timing Role: Automotive-qualified signal conditioner interfacing with stainless-steel diaphragm pressure transducers. Use Value: AEC-Q100 Grade 0 rating and ±18 V protection ensure long-term reliability in vibration-prone trailer and chassis environments. | Use Scenario: Retrofit pressure monitoring on off-highway equipment hydraulic cylinders. IC Role / Device Role / Timing Role: Standalone bridge signal conditioner with NVM-stored calibration, eliminating field recalibration needs. Use Value: One-pass end-of-line calibration and no external trimming reduce integration cost and time-to-deployment for industrial OEMs. |
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 MLX90363KGO-ABA-000-RE | Triaxis® Hall-based position sensor ASIC with SENT output; no bridge input or PGA - measures magnetic field, not resistive voltage. | Designed for rotary/linear position sensing, not pressure or load cells - incompatible bridge signal path. | Select only for magnetic angle/speed sensing; not a functional substitute for ZSSC4169DE4W's bridge conditioning architecture. |
| Infineon DPS310 | Capacitive barometric pressure sensor with I²C/SPI output; integrated MEMS element - no external bridge interface or SENT support. | Targeted at altitude/weather sensing in consumer/portable devices; lacks AEC-Q100 qualification and automotive diagnostics. | Use for low-power environmental sensing; not suitable for automotive resistive bridge applications requiring SENT or ASIL compliance. |
Compared with MLX90363KGO-ABA-000-RE and DPS310, the ZSSC4169DE4W uniquely combines differential bridge input, 14-bit ADC, SENT output, and AEC-Q100 Grade 0 qualification - making it the only viable option for high-accuracy, safety-critical automotive pressure sensing using resistive transducers.
Availability
ZSSC4169DE4W is available at Aetrix Electronics and suitable for fluid brake pressure sensing, hydraulic steering systems, and pneumatic air brake applications requiring stable component supply, automotive qualification, and SENT interface compatibility.
Supply support for ZSSC4169DE4W 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 ZSSC4169DE4W belongs to Renesas' Smart Sensor Conditioner (SSC) product line, engineered specifically for high-accuracy, AEC-Q100-qualified signal conditioning of resistive bridge sensors in safety-critical automotive subsystems.
FAQ
What is the primary function of the ZSSC4169DE4W?
The ZSSC4169DE4W is a dedicated automotive resistive sensor signal conditioner IC that amplifies, digitizes, and digitally compensates differential bridge sensor outputs. It performs real-time correction for offset, gain, nonlinearity, and temperature drift, then transmits calibrated data via SENT. The ZSSC4169DE4W is not a general-purpose ADC or microcontroller - its architecture is optimized exclusively for bridge-based pressure, load, and force sensing.
Does the ZSSC4169DE4W support external temperature sensors?
Yes, the ZSSC4169DE4W supports both internal PTAT junction and external diode temperature sensors via TS1 and TS2 pins. This dual-reference capability enables two-point temperature compensation for improved accuracy across wide operating ranges. The ZSSC4169DE4W automatically selects or blends temperature sources based on configuration stored in its NVM.
What SENT protocol version does the ZSSC4169DE4W implement?
The ZSSC4169DE4W implements SAE J2716 Revision 3.0 SENT protocol, supporting both Fast Channel (for primary sensor data) and Serial Data Message (SDM) Channel (for diagnostics, ID, or secondary values) on a single output pin. The ZSSC4169DE4W does not support earlier revisions or proprietary SENT variants.
Is the ZSSC4169DE4W pin-compatible with other members of the ZSSC4169 family?
No - the ZSSC4169DE4W uses the 24-QFN (NLG24S2) package with wettable flanks, while ZSSC4169DE5R/DE5T use 16-TSSOP (ENG16). Pin counts, layouts, and thermal pad configurations differ between packages. The ZSSC4169DE4W requires its specific footprint and cannot be substituted without PCB redesign.
What calibration method does the ZSSC4169DE4W use during manufacturing?
The ZSSC4169DE4W supports one-pass, end-of-line calibration via its SENT pin operating in One-Wire Interface (OWI) mode. This allows digital coefficient programming without additional programming pins or external hardware. The ZSSC4169DE4W stores all calibration data in on-chip NVM, eliminating laser trimming or passive component adjustments.
ZSSC4169DE4W 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:
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- Mounting Type:
- -
- Supplier Device Package:
- -
ZSSC4169DE4W FAQ
1.How can I place an order for ZSSC4169DE4W through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSSC4169DE4W 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 ZSSC4169DE4W reliable?
The price and inventory of ZSSC4169DE4W are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSSC4169DE4W is usually 5 days.
3.What payment methods are accepted for ZSSC4169DE4W?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSSC4169DE4W transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSSC4169DE4W?
ZSSC4169DE4W orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSSC4169DE4W 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 ZSSC4169DE4W?
For technical support, including ZSSC4169DE4W datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSSC4169DE4W requirements.
6.How does Aetrix verify that ZSSC4169DE4W is sourced from the original manufacturer or authorized distributors?
All ZSSC4169DE4W 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 ZSSC4169DE4W meets industry standards.
7.What is the process for return or replacement of ZSSC4169DE4W?
All ZSSC4169DE4W units undergo pre-shipment inspection (PSI). If there is an issue with ZSSC4169DE4W, 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 ZSSC4169DE4W part is unused and in its original packaging.
Return procedure for ZSSC4169DE4W:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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