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Renesas ZSSC4169DE2W
- Part No.:
- ZSSC4169DE2W
- Manufacturer:
- Renesas
- Package:
- -
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ZSSC4169DE2W.pdf
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- IC REG PQFN
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Product details
Overview
ZSSC4169DE2W from Renesas 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 over −40°C to +150°C, and integrated 16-bit RISC microcontroller-based digital compensation for offset, gain, sensitivity, temperature drift, and nonlinearity - used in brake pressure and hydraulic steering systems.
For engineers reviewing the ZSSC4169DE2W datasheet, ZSSC4169DE2W pinout, ZSSC4169DE2W application, or ZSSC4169DE2W equivalent, key selection criteria include SENT v3.0 Fast/SDM channel support, AEC-Q100 Grade 0 qualification, 24-QFN wettable flanks package, one-wire end-of-line calibration, and dual temperature reference (on-chip PTAT or external diode) capability.
Technical Context
The ZSSC4169DE2W 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 using stored NVM coefficients. Its 16-bit RISC core executes real-time compensation algorithms for higher-order nonlinearity and temperature-dependent parameters.
Digital output is delivered via a single-pin SENT interface compliant with SAE J2716 Rev. 3.0, supporting simultaneous transmission of primary sensor data on the Fast Channel and supplementary data (e.g., diagnostics, ID, temperature) on the Serial Data Message (SDM) channel - all without requiring external trimming components or analog calibration hardware.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.75 V to 5.25 V - supports stable operation in automotive 5 V rail with ±18 V overvoltage/reverse polarity protection |
| Operating Temperature | −40°C to +150°C - qualified for under-hood automotive environments per AEC-Q100 Grade 0 |
| Bridge Input Span | 1 mV/V to 800 mV/V - configurable for wide range of resistive bridge sensors including low-output PV and pneumatic transducers |
| ADC Resolution | 14-bit - enables fine-grained digitization of bridge signals prior to digital compensation |
| SENT Output Resolution | 12-bit - defines effective sensor data precision transmitted via Fast Channel per SAE J2716 Rev. 3.0 |
| Accuracy | ±0.5% FS over full temperature range - guaranteed total error including linearity, hysteresis, and thermal effects after NVM calibration |
| NVM Storage | Nonvolatile memory stores calibration coefficients, configuration, and user-defined conditioning functions - retains data over 10 years at 150°C |
Pinout & Package
Package: 24-pin QFN (4 mm × 4 mm, wettable flanks, NLG24S2 footprint), thermally enhanced with exposed pad for automotive thermal reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BR1P / BR1N / BR2P / BR2N | Differential bridge sensor inputs | Accept full-bridge or half-bridge configurations; support ratiometric measurement referenced to VDDA |
| VDDA / VSSA | Analog supply and ground | Separate analog domain for precision signal path; decoupling required per layout guidelines |
| TS1 / TS2 | Temperature sensor inputs | Support external diode or internal PTAT junction for dual-point temperature compensation |
| SENT | Digital output and OWI bidirectional pin | Single-pin SENT v3.0 interface (Fast + SDM channels) and One-Wire Interface for end-of-line calibration |
| VDDE / VSSE | Digital supply and ground | Isolated digital domain powers RISC core and SENT logic; reduces digital noise coupling into analog path |
| TOP / BOT | Bridge excitation control outputs | Drive external bridge excitation switches; enable power cycling to reduce self-heating in high-precision applications |
Key Features
| Feature | Design Value |
|---|---|
| SENT v3.0 Fast + SDM Channels | Enables concurrent transmission of primary sensor data and diagnostic/ID information on one wire - eliminates need for separate status lines |
| One-pass end-of-line calibration | Reduces production test time and cost by enabling full digital calibration (offset/gain/nonlinearity/tempco) in a single sensor stimulus step |
| AEC-Q100 Grade 0 qualification | Validated for 150°C ambient operation with robust EMI immunity and fault diagnostics - suitable for safety-critical ASIL C systems |
| Configurable bridge input span (1–800 mV/V) | Eliminates need for external gain-setting resistors or op-amp stages across diverse pressure and force sensor families |
| On-chip 16-bit RISC microcontroller | Executes user-customizable compensation algorithms stored in NVM - supports field updates and multi-sensor fusion logic |
Applications
| Fluid Brake Pressure Sensing | Hydraulic Steering Support |
|---|---|
Use Scenario: Real-time monitoring of master cylinder pressure in ABS/EBS systems to trigger brake actuation and wheel slip control. IC Role / Device Role / Timing Role: Signal conditioner converts piezoresistive bridge output to SENT-coded pressure value with temperature-compensated accuracy. Use Value: ±0.5% FS accuracy ensures reliable pressure threshold detection across −40°C to +150°C, meeting ISO 26262 ASIL C requirements. | Use Scenario: Closed-loop feedback for electric-hydraulic power steering (EHPS) systems measuring assist pressure in hydraulic actuators. IC Role / Device Role / Timing Role: Provides SENT-streamed pressure data synchronized with vehicle CAN bus timing via external controller coordination. Use Value: 12-bit SENT resolution and fast channel latency < 100 µs enable responsive torque assist modulation without added MCU overhead. |
| Pneumatic Air Brake Systems | Pneumatic Shock Absorbers |
Use Scenario: Monitoring reservoir and service brake line pressure in commercial vehicle air brake systems for fail-safe interlock and warning generation. IC Role / Device Role / Timing Role: Interfaces with strain-gauge-based pressure transducers; delivers calibrated SENT frames with embedded diagnostic flags. Use Value: Built-in reverse polarity and ±18 V overvoltage protection ensure robustness against truck battery jump-start transients and load-dump events. | Use Scenario: Adaptive damping control in heavy-duty suspension systems using pressure feedback from pneumatic bladders. IC Role / Device Role / Timing Role: Compensates for temperature-induced zero-shift in bladder pressure sensors using dual-point (TS1/TS2) external diode references. Use Value: Digital compensation of nonlinearity up to 5th order maintains < ±0.3% residual error across full stroke and temperature range. |
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 MLX90364 | Triaxis® Hall-based position sensor ASIC with SENT output; no bridge input or PGA - measures magnetic field, not resistive voltage | Used for rotary/linear position sensing, not pressure/force bridge conditioning | Select MLX90364 only for contactless angular or linear position; ZSSC4169DE2W remains required for resistive bridge interfaces |
| Infineon DPS310 | Integrated barometric pressure sensor with I²C output; includes MEMS element and signal chain - no external bridge support or SENT interface | Targeted at altitude/weather sensing; lacks programmable bridge input, SENT, or automotive temp range | Choose DPS310 for compact barometric modules; ZSSC4169DE2W is necessary when conditioning external strain-gauge bridges with SENT compliance |
Compared with MLX90364 and DPS310, the ZSSC4169DE2W uniquely combines configurable resistive bridge front-end, 14-bit ADC, NVM-based digital compensation, and SAE J2716 SENT v3.0 output - making it the only option among the three qualified for AEC-Q100 Grade 0 pressure sensing with external transducers.
Availability
ZSSC4169DE2W is available at Aetrix Electronics and suitable for fluid brake pressure sensing, hydraulic steering support, and pneumatic air brake systems requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100-compliant traceability.
Supply support for ZSSC4169DE2W 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 leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT applications - headquartered in Tokyo, Japan.
The ZSSC4169DE2W belongs to Renesas' Smart Sensor Conditioner (SSC) product line, engineered specifically for high-accuracy, ASIL-capable signal conditioning of resistive bridge sensors in harsh automotive environments.
FAQ
What is the primary function of the ZSSC4169DE2W?
The ZSSC4169DE2W is a dedicated automotive resistive sensor signal conditioner IC that amplifies, digitizes, and digitally compensates differential bridge sensor outputs. It integrates a 14-bit ADC, programmable gain amplifier, 16-bit RISC microcontroller, and SENT v3.0 output driver - enabling fully calibrated pressure or force measurements from external strain-gauge bridges without external trimming components. The ZSSC4169DE2W supports both internal PTAT and external diode temperature references for high-accuracy thermal compensation.
Does the ZSSC4169DE2W support AEC-Q100 qualification?
Yes, the ZSSC4169DE2W is qualified to AEC-Q100 Grade 0, specifying operation from −40°C to +150°C ambient with rigorous testing for thermal cycling, humidity, EMI immunity, and fault diagnostics. This qualification confirms its suitability for under-hood automotive applications such as brake pressure and hydraulic steering systems where reliability and safety integrity (ASIL C) are mandatory. The ZSSC4169DE2W's design includes overvoltage and reverse polarity protection up to ±18 V to withstand automotive electrical transients.
How does the ZSSC4169DE2W implement temperature compensation?
The ZSSC4169DE2W supports two temperature reference modes: internal PTAT (proportional-to-absolute-temperature) junction or external diode-connected transistors. Using either source, its 16-bit RISC core applies NVM-stored coefficients to compensate offset, gain, sensitivity, and nonlinearity across temperature. Dual inputs (TS1/TS2) allow two-point calibration for improved accuracy. The ZSSC4169DE2W stores full temperature coefficient sets in nonvolatile memory, enabling repeatable, drift-free compensation without recalibration during field use.
What SENT protocol version does the ZSSC4169DE2W support?
The ZSSC4169DE2W implements the SAE J2716 standard Revision 3.0 SENT interface, supporting both Fast Channel (primary sensor data) and Serial Data Message (SDM) Channel (supplementary data such as diagnostics, device ID, or temperature). All SENT communication occurs on the single SENT pin, which also serves as the One-Wire Interface (OWI) for end-of-line calibration. The ZSSC4169DE2W's SENT output is fully compliant with automotive OEM timing and frame format requirements for integration into existing SENT receiver ecosystems.
What package type is used for the ZSSC4169DE2W?
The ZSSC4169DE2W is packaged in a 24-pin QFN (4 mm × 4 mm) with wettable flanks (NLG24S2 footprint), featuring an exposed thermal pad for enhanced heat dissipation in high-temperature automotive environments. This package supports automated optical inspection (AOI) and improves solder joint reliability - critical for AEC-Q100 Grade 0 applications. The ZSSC4169DE2W's pinout is optimized for minimal routing complexity, separating analog (VDDA/VSSA), digital (VDDE/VSSE), and sensor (BRxP/BRxN, TS1/TS2) domains to maintain signal integrity.
ZSSC4169DE2W 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:
- -
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- -
- Mounting Type:
- -
- Supplier Device Package:
- -
ZSSC4169DE2W FAQ
1.How can I place an order for ZSSC4169DE2W through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSSC4169DE2W 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 ZSSC4169DE2W reliable?
The price and inventory of ZSSC4169DE2W are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSSC4169DE2W is usually 5 days.
3.What payment methods are accepted for ZSSC4169DE2W?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSSC4169DE2W transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSSC4169DE2W?
ZSSC4169DE2W orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSSC4169DE2W 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 ZSSC4169DE2W?
For technical support, including ZSSC4169DE2W datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSSC4169DE2W requirements.
6.How does Aetrix verify that ZSSC4169DE2W is sourced from the original manufacturer or authorized distributors?
All ZSSC4169DE2W 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 ZSSC4169DE2W meets industry standards.
7.What is the process for return or replacement of ZSSC4169DE2W?
All ZSSC4169DE2W units undergo pre-shipment inspection (PSI). If there is an issue with ZSSC4169DE2W, 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 ZSSC4169DE2W part is unused and in its original packaging.
Return procedure for ZSSC4169DE2W:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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