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Renesas ZSC31150GLG1-T
- Part No.:
- ZSC31150GLG1-T
- Manufacturer:
- Renesas
- Category:
- Specialized
- Package:
- 14-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
ZSC31150GLG1-T.pdf
- Description:
- IC INTFACE SPECIALIZED SGNL COND
- Quantity:
- Payment:
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Product details
Overview
ZSC31150GLG1-T from Integrated Device Technology (IDT) is a CMOS-based automotive sensor signal conditioner IC designed for high-accuracy amplification and digital correction of bridge sensor outputs. It integrates a 16-bit RISC microcontroller, EEPROM-stored calibration coefficients, and dual analog/digital output (ratiometric voltage or ZACwire™/I²C). Key specs include ±0.5% FSO total error over −40°C to +125°C, 12.4-bit analog output resolution, up to 7.8 kHz sample rate, and AEC-Q100 qualification - deployed in engine manifold pressure, brake pedal position, and exhaust gas recirculation (EGR) sensors.
For engineers reviewing the ZSC31150GLG1-T datasheet, ZSC31150GLG1-T pinout, ZSC31150GLG1-T application, or ZSC31150GLG1-T equivalent, this page delivers verified technical context, package-specific pin functions, real-world use-value per application, and two confirmed alternative parts with documented functional and packaging differences - all grounded in IDT's official 2016 datasheet and ordering information.
Technical Context
The ZSC31150GLG1-T implements a fully integrated analog front end (AFE) with programmable gain amplifier (PGA), differential ADC (13–16-bit configurable), and temperature-sensing multiplexer supporting internal diode, external diode, thermistor, or bridge-resistance TC measurement. Its digital block executes sensor-specific correction algorithms using EEPROM-stored coefficients, enabling one-pass end-of-line calibration via I²C or ZACwire™.
It supports both voltage-mode and current-mode bridge excitation, features extended zero-point compensation (XZC), and delivers ratiometric analog output (5–95% VDDE, 12-bit DAC) alongside digital data. Built-in failsafe logic, watchdog, short-circuit protection, and reverse-polarity tolerance ensure robust operation in harsh automotive environments up to 150°C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5 V to 5.5 V - enables direct connection to standard automotive 5 V rail without LDO overhead. |
| Analog Output Accuracy | ±0.5% FSO at −40°C to +125°C - guarantees calibrated sensor linearity across full automotive ambient range. |
| ADC Resolution | 13–16 bit - selectable trade-off between noise immunity (higher bits) and response time (lower bits). |
| Sample Rate | Up to 7.8 kHz - supports dynamic pressure sensing in fast-transient engine control loops. |
| Digital Interfaces | I²C (400 kHz) and ZACwire™ (one-wire) - enables low-pin-count calibration and diagnostics without dedicated programming hardware. |
| Temperature Range | −40°C to +150°C (long-life SSOP variant) - qualified for under-hood applications with 5000 h lifetime at 150°C. |
| Protection Features | 33 V absolute max rating, reverse polarity, short-circuit, and ESD robustness - eliminates need for external TVS or series resistors in most designs. |
Pinout & Package
Package: 14-pin SSOP (Small Outline Package), 5.0 mm × 6.2 mm body, 0.635 mm pitch, RoHS-compliant, long-life variant rated for 5000 h at 150°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VDDA) | Analog supply input | Separate 4.5–5.5 V analog rail; decoupling required for ADC noise performance. |
| 2 (VSSA) | Analog ground reference | Must be star-connected to minimize ground bounce affecting PGA/ADC common-mode rejection. |
| 3 (SDA) | I²C data bidirectional line | Open-drain interface; requires external pull-up to VDDA for communication during calibration. |
| 4 (SCL) | I²C clock input | Accepts up to 400 kHz clock; synchronizes EEPROM read/write and coefficient upload. |
| 5 (n.c.) | No connect | Internally unconnected; must remain floating or tied to GND per layout guidelines. |
| 6 (VDD) | Digital core supply | Internally regulated from VDDA; no external bypass needed. |
| 7 (VDDE) | External supply for analog output stage | Drives AOUT ratiometrically; sets full-scale output range (5–95% of VDDE). |
| 8 (IRTEMP) | Current source for external temperature diode | 6–20 µA programmable bias; enables Kelvin-sense temperature compensation without external components. |
| 9 (VBR_T) | Bridge top sensor input | Differential input for bridge voltage sensing; supports common-mode range up to 0.65×VDDA. |
| 10 (VBP) | Bridge positive input | Primary differential input node; paired with VBN for Wheatstone bridge connection. |
| 11 (VBR_B) | Bridge bottom sensor input | Reference side of bridge; used with VBR_T for ratiometric excitation monitoring. |
| 12 (VBN) | Bridge negative input | Second differential input; matched to VBP for optimal offset and drift cancellation. |
| 13 (AOUT) | Ratiometric analog output | 12-bit DAC output (5–95% VDDE); sink/source capable up to 5 mA into 1 kΩ load. |
| 14 (VSSE) | Output stage ground | Separate analog output return; improves PSRR and isolates AOUT noise from digital ground. |
Key Features
| Feature | Design Value |
|---|---|
| Digital sensor compensation | On-chip 16-bit RISC MCU runs correction algorithm using EEPROM-stored coefficients - eliminates manual trimming and laser calibration cost. |
| Multi-sensor compatibility | Configurable PGA gain (up to 420), XZC offset range (±300% VIN_SP), and excitation mode (voltage/current) - supports strain, pressure, and force bridges without redesign. |
| Dual-output flexibility | Simultaneous analog voltage (12.4-bit ratiometric) and digital (I²C/ZACwire™) outputs - enables legacy analog integration while supporting future digital diagnostics. |
| Automotive-grade reliability | AEC-Q100 qualified, 5000 h lifetime at 150°C, 33 V HVP, reverse-polarity protection - reduces BOM count and validation effort for Tier 1 modules. |
| End-of-line calibration | Single-pass PC-controlled calibration via I²C or ZACwire™ - cuts production test time and avoids external calibration fixtures. |
Applications
| Engine Manifold Pressure Sensing | Brake Pedal Position Monitoring |
|---|---|
|
Use Scenario: Real-time detection of intake manifold absolute pressure (MAP) for fuel injection timing and air-fuel ratio control in gasoline direct injection engines. IC Role / Device Role / Timing Role: Signal conditioner performing offset/temperature/nonlinearity correction on piezoresistive pressure bridge, delivering ratiometric analog output synchronized to ECU ADC sampling. Use Value: ±0.5% FSO accuracy over −40°C to +125°C ensures consistent combustion control across cold start to full-load thermal conditions without recalibration. |
Use Scenario: Contactless measurement of brake pedal displacement to enable brake-by-wire and regenerative braking coordination in EVs and hybrids. IC Role / Device Role / Timing Role: Bridge signal conditioner with current-mode excitation and thermistor-based temperature compensation, feeding analog output to vehicle dynamics controller. Use Value: 7.8 kHz sample rate and <512 µs response time support rapid pedal actuation detection, while 150°C-rated SSOP package withstands proximity to hydraulic master cylinder. |
| Exhaust Gas Recirculation (EGR) Valve Position | Turbocharger Boost Control |
|
Use Scenario: Closed-loop feedback of EGR valve opening angle in diesel aftertreatment systems to reduce NOx emissions under varying exhaust temperatures. IC Role / Device Role / Timing Role: High-voltage-tolerant (33 V) signal conditioner interfacing with high-temp bridge sensor mounted on EGR housing, using internal diode temperature sensing. Use Value: 33 V absolute max rating and reverse-polarity protection eliminate need for external protection circuitry in 24 V commercial vehicle EGR modules. |
Use Scenario: Dynamic boost pressure regulation in turbocharged ICE powertrains, requiring fast-response, temperature-compensated analog output for wastegate actuator control. IC Role / Device Role / Timing Role: Fast-settling signal conditioner with 256–512 µs response time and 5 kHz effective bandwidth, driving ratiometric AOUT into boost controller ADC. Use Value: Configurable 2nd-order ADC filtering and programmable gain maintain SNR > 70 dB even under high-vibration engine bay conditions. |
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+T | 16-bit DAC, 24-bit ADC, but no integrated microcontroller or EEPROM; requires external processor for compensation. | Lacks on-chip correction algorithm and one-pass calibration - demands host MCU and custom firmware development. | Choose when full algorithmic flexibility is required and system already includes a capable host processor. |
| AD8555ARZ | Analog-only auto-zero chopper amplifier; no digital interface, EEPROM, or temperature compensation logic. | Provides only analog gain/offset trim; cannot perform multi-parameter (offset/sensitivity/temp/nonlinearity) correction. | Choose for cost-sensitive, non-automotive applications where digital calibration and AEC-Q100 are not required. |
Compared with ZSC31150GLG1-T, MAX1452AUA+T offers higher ADC resolution but adds system-level complexity and cost due to external processing, while AD8555ARZ provides simpler analog signal conditioning without digital calibration capability - making ZSC31150GLG1-T the only option delivering integrated correction, automotive qualification, and production-ready calibration in a single SSOP package.
Availability
ZSC31150GLG1-T is available at Aetrix Electronics and suitable for engine control units, brake-by-wire systems, and exhaust aftertreatment modules requiring stable component supply across extended automotive temperature ranges and long product lifecycles.
Supply support for ZSC31150GLG1-T 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, is a fabless semiconductor company specializing in timing, memory interface, RF, and sensor signal conditioning solutions for communications, computing, and automotive markets.
The ZSC31150 product line was developed specifically for high-reliability automotive pressure, force, and position sensing - integrating precision analog front ends, digital correction, and AEC-Q100-compliant packaging to replace discrete trimming and external calibration hardware.
FAQ
What is the operating temperature range supported by the ZSC31150GLG1-T?
The ZSC31150GLG1-T is rated for −40°C to +150°C ambient operation with long-life qualification (5000 h at 150°C), making it suitable for under-hood automotive applications such as turbocharger boost sensors and EGR valve position sensing where sustained high-temperature reliability is critical. This extended range exceeds the standard −40°C to +125°C grade of other variants like ZSC31150GAG1.
Does the ZSC31150GLG1-T support both voltage and current excitation for bridge sensors?
Yes, the ZSC31150GLG1-T supports configurable bridge excitation modes: voltage-mode (ratiometric to VDDA) and current-mode (constant-current source via IRTEMP pin). This dual-mode capability allows seamless adaptation to diverse bridge sensor types - including those requiring low-power current drive or high-stability voltage bias - without external circuit changes.
How does the ZSC31150GLG1-T achieve temperature compensation without external components?
The ZSC31150GLG1-T integrates multiple temperature sensing options: internal diode, external diode (biased via IRTEMP pin), thermistor, or bridge-resistance-based TC. Its on-chip 16-bit RISC microcontroller applies sensor-specific coefficients stored in EEPROM to correct for temperature-induced offset, sensitivity drift, and nonlinearity - eliminating the need for external thermistors, ADCs, or compensation firmware.
What digital interfaces does the ZSC31150GLG1-T provide for calibration and configuration?
The ZSC31150GLG1-T provides two digital interfaces: standard I²C (up to 400 kHz) and proprietary ZACwire™ (single-wire, asynchronous). Both support full EEPROM read/write access for coefficient programming, device configuration, and diagnostic register interrogation - enabling PC-based end-of-line calibration without custom programming hardware.
Is the ZSC31150GLG1-T pin-compatible with other variants in the ZSC31150 family?
Yes, all ZSC31150 variants - including ZSC31150GLG1-T (SSOP), ZSC31150GEG2-R (DFN), and ZSC31150GAB (die) - share identical 14-pin functionality and electrical pinout. The ZSC31150GLG1-T's SSOP package maintains mechanical and thermal compatibility with existing SSOP-based layouts, allowing drop-in replacement across temperature grades without PCB revision.
ZSC31150GLG1-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 14-SSOP (0.209", 5.30mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Applications:
- Sensor Signal Conditioner - Resistive
- Interface:
- I2C, ZACwire™
- Voltage - Supply:
- 4.5V ~ 5.5V
- Supplier Device Package:
- 14-SSOP
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
ZSC31150GLG1-T FAQ
1.How can I place an order for ZSC31150GLG1-T through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSC31150GLG1-T 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 ZSC31150GLG1-T reliable?
The price and inventory of ZSC31150GLG1-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSC31150GLG1-T is usually 5 days.
3.What payment methods are accepted for ZSC31150GLG1-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSC31150GLG1-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSC31150GLG1-T?
ZSC31150GLG1-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSC31150GLG1-T 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 ZSC31150GLG1-T?
For technical support, including ZSC31150GLG1-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSC31150GLG1-T requirements.
6.How does Aetrix verify that ZSC31150GLG1-T is sourced from the original manufacturer or authorized distributors?
All ZSC31150GLG1-T 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 ZSC31150GLG1-T meets industry standards.
7.What is the process for return or replacement of ZSC31150GLG1-T?
All ZSC31150GLG1-T units undergo pre-shipment inspection (PSI). If there is an issue with ZSC31150GLG1-T, 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 ZSC31150GLG1-T part is unused and in its original packaging.
Return procedure for ZSC31150GLG1-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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