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Renesas ZSSC4169DE1B-APC
- Part No.:
- ZSSC4169DE1B-APC
- Manufacturer:
- Renesas
- Category:
- Sensor and Detector Interfaces
- Package:
- 24-VFQFN Exposed Pad
- Datasheet:
-
ZSSC4169DE1B-APC.pdf
- Description:
- WAFER (UNSAWN) - WAFER BOX
- Quantity:
- Payment:
- Shipping:
Inventory:1,179
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Product details
Overview
ZSSC4169DE1B-APC from Renesas is an automotive-grade resistive sensor signal conditioner IC that performs high-accuracy amplification, offset/gain/temperature/nonlinearity compensation, and SENT digital output for differential bridge sensors. It features 14-bit ADC resolution, ±0.5% FS accuracy over −40°C to +150°C, and supports internal PTAT or external diode temperature sensing. Used in brake pressure and hydraulic steering systems.
For engineers reviewing the ZSSC4169DE1B-APC datasheet, ZSSC4169DE1B-APC pinout, ZSSC4169DE1B-APC application, or ZSSC4169DE1B-APC 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, and 12-bit SENT output resolution.
Technical Context
The ZSSC4169DE1B-APC integrates a 16-bit RISC microcontroller for real-time digital compensation of bridge sensor signals, including 2nd- and 3rd-order nonlinearity and temperature coefficients. Its analog front-end includes a programmable gain amplifier (PGA) with up to 200× gain and supports 1–800 mV/V bridge spans.
Digital output is delivered via a single-pin SENT interface compliant with SAE J2716 Rev 3.0, supporting Fast Channel (FC) for primary sensor data and Serial Data Message (SDM) channel for supplementary data or product ID. Calibration coefficients and configuration are stored in on-chip NVM qualified for automotive life cycles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Temp | −40°C to +150°C - enables under-hood deployment in brake and steering systems without derating. |
| Accuracy | ±0.5% FS - guarantees tight measurement tolerance across full automotive temperature range. |
| ADC Resolution | 14-bit - provides sufficient dynamic range for high-fidelity bridge signal digitization before compensation. |
| SENT Output | SAE J2716 Rev 3.0 compliant - ensures interoperability with standard automotive ECUs using Fast + SDM channels. |
| Supply Voltage | 4.75 V to 5.25 V - matches regulated 5 V automotive domains; includes ±18 V overvoltage/reverse polarity protection. |
| NVM Type | Nonvolatile memory - retains calibrated coefficients and configuration after power cycling; qualified for >100k write/erase cycles. |
| Bridge Input Span | 1 to 800 mV/V - accommodates low-sensitivity strain gauges and high-output pressure transducers without external scaling. |
Pinout & Package
Package: 24-pin QFN (4 mm × 4 mm, wettable flanks, NLG24S2 footprint). Exposed thermal pad enhances thermal dissipation in high-ambient automotive environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BR1P / BR1N / BR2P / BR2N | Differential bridge inputs | Accept full-bridge sensor signals; support ratiometric measurement referenced to VDDA. |
| TS1 / TS2 | Temperature sensor inputs | Interface to external diodes or internal PTAT junctions for dual-point temperature compensation. |
| SENT | Digital output & OWI bidirectional | Single-pin SENT transmission (Fast/SDM) and one-wire end-of-line calibration; reduces wiring complexity. |
| VDDA / VSSA | Analog supply & ground | Separate analog domain powers PGA and ADC; improves noise immunity for precision signal conditioning. |
| VDDE / VSSE | Digital supply & ground | Isolated digital domain powers SENT interface and microcontroller; prevents digital switching noise coupling. |
| SCL / SDA | I²C interface pins | Enable configuration and debug access during development; not used in production calibration flow. |
Key Features
| Feature | Design Value |
|---|---|
| One-pass end-of-line calibration | Reduces manufacturing time and eliminates laser trimming or external DACs, lowering assembly cost. |
| Dual-channel SENT output | Enables concurrent transmission of primary sensor data (Fast Channel) and diagnostics/product ID (SDM Channel) on one wire. |
| AEC-Q100 Grade 0 qualification | Validated for operation up to +150°C ambient, meeting stringent reliability requirements for powertrain and chassis applications. |
| Configurable bridge span support | Programmable PGA gain (1× to 200×) allows direct interfacing with diverse resistive bridges without external op-amps. |
| Integrated diagnostic functions | Includes open/short detection on bridge inputs, temperature sensor fault monitoring, and SENT CRC error checking. |
Applications
| Brake Pressure Sensing | Hydraulic Steering Support |
|---|---|
Use Scenario: Monitoring fluid pressure in ABS or electronic brake distribution modules. IC Role / Device Role / Timing Role: Signal conditioner converts bridge output from piezoresistive pressure sensor into SENT-compliant digital data stream. Use Value: ±0.5% FS accuracy and −40°C to +150°C operation ensure reliable pressure reporting during aggressive braking and high-temperature under-hood conditions. | Use Scenario: Providing real-time feedback for electric-hydraulic power steering (EHPS) control units. IC Role / Device Role / Timing Role: Front-end conditioner for steering rack-mounted pressure transducers, delivering SENT data synchronized to ECU sampling clocks. Use Value: Dual-channel SENT enables simultaneous transmission of pressure value (FC) and sensor health status (SDM), improving system-level fault coverage. |
| Pneumatic Air Brake Systems | Industrial Hydraulic Monitoring |
Use Scenario: Measuring air pressure in commercial vehicle air brake reservoirs and lines. IC Role / Device Role / Timing Role: Automotive-qualified signal conditioner enabling SENT integration into heavy-duty vehicle telematics and brake diagnostics networks. Use Value: AEC-Q100 Grade 0 rating and ±18 V protection ensure robustness against load dump and reverse battery events common in truck electrical systems. | Use Scenario: Retrofitting legacy hydraulic machinery with digital pressure feedback for predictive maintenance. IC Role / Device Role / Timing Role: Bridge signal conditioner with field-programmable NVM, allowing post-manufacture calibration to match specific transducer characteristics. Use Value: One-wire OWI calibration simplifies field recalibration without hardware modification or additional test fixtures. |
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 frontend with I²C output; no SENT interface; 16-bit resolution but no built-in bridge PGA. | Targeted at magnetic position sensing, not resistive bridge pressure transducers. | Select only for Hall-based rotary/linear position systems requiring I²C, not SENT-critical automotive pressure nodes. |
| TI PGA460-Q1 | Ultrasonic signal processor with integrated driver; supports analog/digital outputs but lacks NVM-based multi-coefficient compensation. | Designed for ultrasonic tank level and parking assist; no bridge input architecture or SENT Fast/SDM channel separation. | Choose for ultrasonic time-of-flight applications-not for resistive bridge signal conditioning or SENT ECU integration. |
Compared with MLX90393 and PGA460-Q1, the ZSSC4169DE1B-APC uniquely combines SENT-compliant dual-channel digital output, 14-bit bridge ADC, on-chip NVM calibration storage, and AEC-Q100 Grade 0 qualification-making it the only option validated for safety-critical automotive pressure sensing with minimal ECU interface overhead.
Availability
ZSSC4169DE1B-APC is available at Aetrix Electronics and suitable for brake pressure sensing, hydraulic steering feedback, and pneumatic air brake monitoring requiring stable component supply across extended temperature ranges and automotive lifecycle commitments.
Supply support for ZSSC4169DE1B-APC 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, and power solutions for automotive, industrial, and infrastructure markets.
The ZSSC4169D family is designed specifically for high-accuracy, ASIL-capable resistive bridge signal conditioning in harsh automotive environments-targeting pressure, force, and load sensing where SENT output and end-of-line calibration are mandatory.
FAQ
What is the SENT interface configuration supported by ZSSC4169DE1B-APC?
The ZSSC4169DE1B-APC implements a SAE J2716 Revision 3.0–compliant SENT interface with Fast Channel (FC) for primary sensor data and Serial Data Message (SDM) channel for supplementary information such as diagnostics or product ID-all transmitted on a single SENT pin. This eliminates need for separate communication lines and simplifies ECU integration.
Does ZSSC4169DE1B-APC require external components for basic operation?
No, the ZSSC4169DE1B-APC operates autonomously with only decoupling capacitors required. It integrates a programmable gain amplifier, 14-bit ADC, 16-bit RISC microcontroller, NVM, SENT driver, and one-wire calibration interface-eliminating external op-amps, DACs, EEPROM, or trimming components in typical bridge sensor designs.
How is temperature compensation implemented in ZSSC4169DE1B-APC?
ZSSC4169DE1B-APC supports both internal PTAT junction and external diode temperature sensing via TS1/TS2 pins. The 16-bit RISC core applies stored NVM coefficients to compensate offset, gain, sensitivity, and nonlinearity versus temperature-enabling two-point or multi-point correction without host processor involvement.
What package type and mounting features does ZSSC4169DE1B-APC use?
ZSSC4169DE1B-APC uses a 24-pin QFN package (4 mm × 4 mm) with wettable flanks (NLG24S2), enabling automated optical inspection (AOI) of solder joints. The exposed thermal pad improves heat dissipation in high-power-density automotive modules and supports reflow-compatible assembly.
Is ZSSC4169DE1B-APC qualified for ASIL C safety applications?
Yes, ZSSC4169DE1B-APC is explicitly supported for user's ASIL C safety applications per its datasheet. It includes built-in diagnostics-such as bridge input open/short detection, temperature sensor fault monitoring, and SENT CRC validation-to help meet ISO 26262 requirements when integrated into properly architected systems.
ZSSC4169DE1B-APC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 24-VFQFN Exposed Pad
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Type:
- Signal Conditioner
- Input Type:
- Differential
- Output Type:
- 1-Wire®
- Current - Supply:
- -
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 24-QFN (4x4)
ZSSC4169DE1B-APC FAQ
1.How can I place an order for ZSSC4169DE1B-APC through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSSC4169DE1B-APC 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 ZSSC4169DE1B-APC reliable?
The price and inventory of ZSSC4169DE1B-APC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSSC4169DE1B-APC is usually 5 days.
3.What payment methods are accepted for ZSSC4169DE1B-APC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSSC4169DE1B-APC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSSC4169DE1B-APC?
ZSSC4169DE1B-APC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSSC4169DE1B-APC 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 ZSSC4169DE1B-APC?
For technical support, including ZSSC4169DE1B-APC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSSC4169DE1B-APC requirements.
6.How does Aetrix verify that ZSSC4169DE1B-APC is sourced from the original manufacturer or authorized distributors?
All ZSSC4169DE1B-APC 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 ZSSC4169DE1B-APC meets industry standards.
7.What is the process for return or replacement of ZSSC4169DE1B-APC?
All ZSSC4169DE1B-APC units undergo pre-shipment inspection (PSI). If there is an issue with ZSSC4169DE1B-APC, 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 ZSSC4169DE1B-APC part is unused and in its original packaging.
Return procedure for ZSSC4169DE1B-APC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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