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Renesas ZSSC3015NE2R
- Part No.:
- ZSSC3015NE2R
- Manufacturer:
- Renesas
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- Specialized
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ZSSC3015NE2R.pdf
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- IC INTFACE SPECIALIZED SGNL COND
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Product details
Overview
ZSSC3015NE2R from Integrated Device Technology (IDT) is a programmable sensor signal conditioner IC for piezoresistive bridge sensors, featuring 14-bit ADC, 12-bit ratiometric analog output or ZACwire™ one-wire digital interface, ±0.25% FSO accuracy over –50°C to +150°C, and integrated diagnostics including bridge short detection and EEPROM signature validation. It enables high-precision pressure/force sensing in automotive brake systems.
For engineers reviewing the ZSSC3015NE2R datasheet, ZSSC3015NE2R pinout, ZSSC3015NE2R application, or ZSSC3015NE2R equivalent, key selection criteria include its rail-to-rail analog output capability, diagnostic coverage for AEC-Q100 compliance, support for external temperature compensation via diode, fast 6–8 ms power-up response, and compatibility with low-span bridges (<1 mV/V).
Technical Context
The ZSSC3015NE2R implements a chopper-stabilized differential preamplifier with four selectable analog gains (6/24/48/96), feeding a 14-bit charge-balanced ADC. Digital correction applies 5th-order polynomial compensation for offset, sensitivity, temperature drift, and nonlinearity using coefficients stored in on-chip EEPROM.
Diagnostics are hardware-verified and include real-time bridge connection checks, power-loss detection, EEPROM integrity verification, and optional external diode-based temperature measurement (150–800 mV input range). Output modes are configurable: ratiometric analog voltage (12-bit, 2.5–95% VDD), absolute analog voltage, or ZACwire™ serial digital packets (16-bit corrected bridge value).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ADC Resolution | 14-bit; provides ≥11-bit effective accuracy after INL correction for high-precision bridge digitization |
| Analog Output Resolution | 12-bit ratiometric DAC; delivers 0.025% ratiometricity error without Bsink, enabling stable output under supply variation |
| Accuracy (Digital) | ±0.25% FSO over –50°C to +150°C; guaranteed IC-only performance excluding sensor contribution |
| Startup Time | 6–8 ms to valid data output; supports rapid system wake-up in safety-critical automotive subsystems |
| Supply Range | 2.7–5.5 V (direct); up to 30 V with external JFET regulator - enables direct battery-supplied operation |
| Operating Temperature | –50°C to +150°C; qualified per AEC-Q100 Grade 0, suitable for under-hood and brake module placement |
| Diagnostics Coverage | Includes bridge short/open detection, EEPROM signature check, power-loss flag, and ExtTemp connection validation |
Pinout & Package
SOP8 package (150 mil), surface-mount, RoHS-compliant, with thermal pad exposed on bottom for enhanced heat dissipation in high-temperature environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Analog supply input | Accepts 2.7–5.5 V; internal charge pump powers EEPROM programming at 85°C max |
| VSS | Analog ground reference | Return path for bridge excitation and analog circuitry; critical for power-loss diagnostic function |
| VBP / VBN | Differential bridge sense inputs | High-impedance inputs (±10 nA leakage) accepting full Wheatstone bridge outputs; support ratiometric or absolute configurations |
| Sig™ | Configurable output terminal | Delivers either rail-to-rail analog voltage (12-bit) or ZACwire™ digital serial data - mode selected via EEPROM configuration |
| OUT/OWI | One-wire interface I/O | Bi-directional ZACwire™ bus for PC-based calibration, coefficient upload, and real-time diagnostics readout |
| ExtTemp | External temperature sensor input | Accepts 150–800 mV diode voltage; enables high-accuracy external temperature compensation (±0.5°C typical) |
| Bsink | Bridge sink control output | Drives external N-channel JFET for high-voltage bridge biasing (5.5–30 V); enables ratiometric operation with wide supply |
| Vgate | JFET gate drive | Provides regulated gate voltage to control Bsink current; ensures stable bridge excitation under varying supply conditions |
Key Features
| Feature | Design Value |
|---|---|
| Digital compensation engine | Applies 5th-order polynomial correction for offset, sensitivity, tempco, and nonlinearity using EEPROM-stored coefficients |
| Programmable analog gain | Four settings (6/24/48/96) enable use with bridges spanning <1 mV/V while maintaining ≥11-bit effective resolution |
| ZACwire™ one-wire interface | Enables single-pin PC-controlled calibration and diagnostics without additional UART or SPI hardware |
| Integrated diagnostics suite | Hardware-verified checks for bridge shorts/opens, EEPROM corruption, power loss, and ExtTemp disconnection |
| Rail-to-rail analog output | 12-bit DAC delivers 2.5–95% VDD output range with ±0.2% VDD absolute error - eliminates need for external op-amps |
Applications
| Automotive Brake Pressure Sensing | Industrial Hydraulic Load Monitoring |
|---|---|
Use Scenario: Real-time monitoring of hydraulic pressure in ABS and electronic brake distribution (EBD) modules under extreme under-hood temperatures. IC Role / Device Role / Timing Role: Signal conditioner digitizing piezoresistive bridge output, applying temperature-compensated linearization, and delivering calibrated analog voltage to MCU ADC or digital ZACwire™ packet to microcontroller. Use Value: ±0.25% FSO accuracy over –50°C to +150°C and AEC-Q100 qualification ensure functional safety compliance without external trimming or recalibration. | Use Scenario: Continuous load feedback in industrial hydraulic cylinders used in construction equipment and factory automation presses. IC Role / Device Role / Timing Role: Bridge interface IC providing ratiometric analog output to PLC analog input modules or digital ZACwire™ output for CAN-connected edge controllers. Use Value: Fast 1.4 ms response time and diagnostic coverage (bridge open/short, power loss) reduce unplanned downtime and simplify predictive maintenance. |
| White Goods Compressor Monitoring | Medical Infusion Pump Force Feedback |
Use Scenario: Monitoring refrigerant pressure in variable-speed compressors for smart HVAC and refrigerator systems operating across wide ambient ranges. IC Role / Device Role / Timing Role: Sensor signal conditioner performing on-chip temperature compensation (via internal PTAT or external diode), offset/sensitivity correction, and delivering stable analog output to system MCU. Use Value: Internal temperature reference eliminates external components; 24-bit customer ID field enables traceability across mass-produced appliance batches. | Use Scenario: Detecting occlusion and flow resistance in IV infusion pumps requiring high linearity and fault detection for patient safety. IC Role / Device Role / Timing Role: Precision bridge interface with independent high/low clipping limits and EEPROM-programmable alarm thresholds for force anomaly detection. Use Value: Programmable clipping and diagnostic flags (e.g., bridge short) allow real-time fault classification without host processor overhead - critical for Class II medical device certification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar sensor signal conditioning applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX1452AUA+ | 16-bit DAC, no integrated EEPROM; requires external serial EEPROM and separate calibration controller | Lacks built-in diagnostics (no bridge short detection, no power-loss flag); not AEC-Q100 qualified | Preferred for lab-grade calibration where external EEPROM and higher DAC resolution justify added board area and complexity |
| PGA309AIPW | Analog-only signal chain (no digital output); uses external microcontroller for coefficient storage and compensation math | No ZACwire™ interface; no self-contained diagnostics; limited to –40°C to +125°C operation | Selected when analog output only is required and system already includes a capable MCU for real-time compensation math |
Compared with MAX1452AUA+ and PGA309AIPW, the ZSSC3015NE2R integrates EEPROM, diagnostics, and ZACwire™ into a single SOP8 package - reducing BOM count, eliminating external trimming, and enabling AEC-Q100-compliant automotive deployment without host processor dependency.
Availability
ZSSC3015NE2R is available at Aetrix Electronics and suitable for automotive brake systems, industrial hydraulic monitoring, white goods compressor control, and medical infusion pump force feedback requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for ZSSC3015NE2R 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
Integrated Device Technology (IDT), now part of Renesas Electronics, designs high-performance timing, memory interface, and sensor signal conditioning ICs for automotive, industrial, and communications markets.
The ZSSC3015NE2R belongs to IDT's RBicdLite-Auto™ family, engineered specifically for cost-sensitive, high-reliability automotive and industrial pressure/force sensing applications requiring integrated diagnostics and zero-trimming calibration.
FAQ
What is the primary function of the ZSSC3015NE2R in a sensor system?
The ZSSC3015NE2R serves as a complete sensor signal conditioner for piezoresistive bridge sensors, performing analog amplification, 14-bit digitization, digital compensation (offset, sensitivity, temperature drift, nonlinearity), and configurable output (12-bit ratiometric analog or ZACwire™ digital). Its integrated diagnostics and AEC-Q100 qualification make it ideal for automotive and industrial deployments where reliability and calibration simplicity are critical. The ZSSC3015NE2R eliminates external trimming components and enables one-wire PC-based calibration.
Does the ZSSC3015NE2R support external temperature compensation, and how is it implemented?
Yes, the ZSSC3015NE2R supports external temperature compensation via its ExtTemp pin, which accepts 150–800 mV from a silicon diode (sensitivity 1.9–3.25 mV/K) to extend temperature measurement range and improve compensation accuracy. This allows the ZSSC3015NE2R to achieve tighter overall linearity across –50°C to +150°C compared to internal PTAT-only compensation. The diode connection is validated by on-chip diagnostics, and coefficients are stored in EEPROM for full system-level correction.
What are the key differences between analog and digital output modes of the ZSSC3015NE2R?
In analog mode, the ZSSC3015NE2R drives the Sig™ pin with a rail-to-rail 12-bit ratiometric voltage (2.5–95% VDD) with ±0.2% VDD absolute error. In digital mode, it transmits 16-bit corrected bridge values via the OUT/OWI pin using ZACwire™ one-wire protocol - enabling PC-based calibration, diagnostics readout, and coefficient updates without additional interface hardware. Both modes share the same digital compensation engine but differ in output format, latency, and system integration requirements.
How does the ZSSC3015NE2R handle bridge sensors with very low output spans, such as <1 mV/V?
The ZSSC3015NE2R accommodates low-span bridges using its programmable analog gain architecture (6/24/48/96) combined with digital gain scaling. At gain = 96, it achieves ≥10.1-bit minimum guaranteed resolution even for 0.72 mV/V spans, while maintaining diagnostic functionality. The front-end chopper stabilization minimizes 1/f noise, and the 14-bit ADC ensures sufficient headroom before digital correction - allowing accurate digitization without external amplification or laser trimming.
Is the ZSSC3015NE2R pin-compatible with other members of the ZSSC30xx family, such as ZSSC3016 or ZSSC3017?
No, the ZSSC3015NE2R is not pin-compatible with ZSSC3016 or ZSSC3017. While all belong to IDT's RBicdLite-Auto™ family and share the SOP8 package, pin functions differ significantly - for example, ZSSC3016 includes dedicated VREFIN and VREFOUT pins for external reference control, whereas ZSSC3015NE2R uses internal references and repurposes those pins for diagnostics or temperature sensing. Substitution requires PCB layout revision and firmware reconfiguration; always verify pin mapping against the respective datasheets before replacement.
ZSSC3015NE2R Specifications
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- Renesas
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- Product Status:
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ZSSC3015NE2R FAQ
1.How can I place an order for ZSSC3015NE2R through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSSC3015NE2R 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 ZSSC3015NE2R reliable?
The price and inventory of ZSSC3015NE2R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSSC3015NE2R is usually 5 days.
3.What payment methods are accepted for ZSSC3015NE2R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSSC3015NE2R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSSC3015NE2R?
ZSSC3015NE2R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSSC3015NE2R 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 ZSSC3015NE2R?
For technical support, including ZSSC3015NE2R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSSC3015NE2R requirements.
6.How does Aetrix verify that ZSSC3015NE2R is sourced from the original manufacturer or authorized distributors?
All ZSSC3015NE2R 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 ZSSC3015NE2R meets industry standards.
7.What is the process for return or replacement of ZSSC3015NE2R?
All ZSSC3015NE2R units undergo pre-shipment inspection (PSI). If there is an issue with ZSSC3015NE2R, 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 ZSSC3015NE2R part is unused and in its original packaging.
Return procedure for ZSSC3015NE2R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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