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Texas Instruments TXS0104EQWBQARQ1
- Part No.:
- TXS0104EQWBQARQ1
- Manufacturer:
- Texas Instruments
- Category:
- Translators, Level Shifters
- Package:
- Datasheet:
-
TXS0104EQWBQARQ1.pdf
- Description:
- TXS0104EQWBQARQ1
- Quantity:
- Payment:
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Product details
Overview
TXS0104EQWBQARQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive-qualified 4-bit bidirectional voltage-level translator for open-drain and push-pull logic interfaces, supporting 1.65–3.6 V on A port and 2.3–5.5 V on B port with no direction-control signal required, 24 Mbps max push-pull data rate, and integrated 10-kΩ pullups on both ports. It enables I²C and 1-wire level translation between main processor and peripheral modules in ADAS and infotainment systems.
For engineers reviewing the TXS0104EQWBQARQ1 datasheet, TXS0104EQWBQARQ1 pinout, TXS0104EQWBQARQ1 application, or TXS0104EQWBQARQ1 equivalent, key selection considerations include its auto-direction sensing architecture, dual-rail supply independence (no sequencing required), ±8-kV IEC 61000-4-2 ESD protection on B port, and compatibility with mixed open-drain/push-pull channel configurations across four independent channels.
Technical Context
The TXS0104EQWBQARQ1 implements a pass-gate architecture with edge-rate accelerator one-shots per channel to enhance low-to-high transition speed without external components. Its gate-bias circuitry enables automatic bidirectional data flow detection, eliminating need for direction-control logic.
Each channel integrates 10-kΩ pullup resistors to VCCA (A port) and VCCB (B port), supporting direct connection to open-drain buses like I²C. The OE input-referenced to VCCA-places all outputs in high-impedance state when low, and requires a GND pull-down resistor for safe power-up/power-down behavior.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| A-port voltage range | 1.65 V to 3.6 V - supports 1.8-V/2.5-V/3.3-V logic domains; must be ≤ VCCB |
| B-port voltage range | 2.3 V to 5.5 V - interoperates with 3.3-V/5-V peripherals; enables mixed-voltage system bridging |
| Max data rate (push-pull) | 24 Mbps - sufficient for high-speed I²C Fast Mode Plus (1 Mbps) and SPI clocked interfaces |
| Max data rate (open-drain) | 2 Mbps - matches standard I²C Fast Mode (400 kHz) and SMBus timing requirements |
| ESD protection (B port) | ±8-kV contact / ±10-kV air-gap per IEC 61000-4-2 - ensures robustness in automotive module interconnects |
| Operating temperature | –40°C to +125°C ambient - qualified for engine bay, dashboard, and ADAS sensor module environments |
| Supply sequencing | No requirement - VCCA or VCCB may ramp first, simplifying power management design |
Pinout & Package
TXS0104EQWBQARQ1 is packaged in a 14-pin WQFN (BQA) measuring 3 mm × 2.5 mm with wettable flanks, optimized for automated optical inspection and high-density automotive PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1–A4 | I/O (A port) | 4 bidirectional data lines referenced to VCCA; each includes internal 10-kΩ pullup to VCCA |
| B1–B4 | I/O (B port) | 4 bidirectional data lines referenced to VCCB; each includes internal 10-kΩ pullup to VCCB |
| VCCA | Power supply input | Supplies A-port logic and OE input; defines A-side voltage domain and input thresholds |
| VCCB | Power supply input | Supplies B-port logic; defines B-side voltage domain and output drive strength |
| OE | Digital enable input | Active-low tri-state control referenced to VCCA; must be pulled low via resistor during power transitions |
| GND | Ground reference | Common return path for both supply rails; critical for noise immunity in mixed-signal automotive systems |
Key Features
| Feature | Design Value |
|---|---|
| Auto-direction sensing | Eliminates external direction-control signals and associated GPIO/firmware overhead in microcontroller-based systems |
| Integrated 10-kΩ pullups | Removes need for 8 external resistors in I²C applications, reducing BOM count and board area in space-constrained modules |
| Independent dual-rail supplies | Enables seamless interfacing between 1.8-V MCU I/O and 5-V sensor or display drivers without level-shifter sequencing logic |
| AEC-Q100 Grade 1 qualification | Validated for continuous operation at 125°C ambient, meeting reliability requirements for front-end ADAS ECUs and infotainment head units |
| IEC 61000-4-2 ESD hardening | ±8-kV contact discharge rating on B port ensures survivability during connector mating/unmating in vehicle service environments |
Applications
| Automotive Infotainment Interface | ADAS Camera Sensor Link |
|---|---|
Use Scenario: Bridging I²C communication between a 1.8-V application processor and 3.3-V touchscreen controller or audio codec in a head unit. IC Role / Device Role / Timing Role: Bidirectional voltage-level translator with auto-direction detection and integrated pullups, enabling plug-and-play I²C bus extension. Use Value: Reduces component count by eliminating discrete pullup resistors and direction-control logic, improving layout density and long-term reliability in thermally cycled dashboards. | Use Scenario: Level-translating serial configuration signals between a 2.5-V ADAS SoC and 5-V camera module with open-drain reset and status lines. IC Role / Device Role / Timing Role: 4-channel bidirectional translator supporting mixed open-drain and push-pull signaling at up to 2 Mbps, with robust ESD protection on B-side pins. Use Value: Ensures signal integrity and fault tolerance during hot-plug events and electromagnetic disturbances common in camera harness routing near motors and inverters. |
| Body Control Module (BCM) Gateway | Electric Power Steering (EPS) Subsystem |
Use Scenario: Translating SMBus alerts and telemetry between a 3.3-V microcontroller and legacy 5-V battery monitoring IC in a vehicle body control unit. IC Role / Device Role / Timing Role: Voltage-level translator with independent VCCA/VCCB rails, no power-supply sequencing dependency, and AEC-Q100 qualification. Use Value: Enables reuse of proven 5-V analog front-ends while migrating MCU core logic to lower-voltage, higher-efficiency nodes-without redesigning power tree or signal conditioning. | Use Scenario: Isolating and translating diagnostic and calibration signals between a 1.8-V EPS motor controller ASIC and 3.3-V CAN transceiver or debug interface. IC Role / Device Role / Timing Role: Automotive-grade 4-bit translator with <1 ns channel skew, <5 ns propagation delay (VCCA=2.5 V, VCCB=3.3 V), and HBM ESD Level 2 compliance. Use Value: Maintains deterministic timing for safety-critical diagnostics while providing galvanic isolation-equivalent signal integrity in compact EPS actuator assemblies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional voltage-level translation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TXS0108E-Q1 | 8-channel version with identical architecture, timing, and qualification; larger 20-pin WQFN package (4 mm × 4 mm) | Required when >4 signal lines need translation; same thermal and ESD specs but higher ICCA+ICCB (35 μA vs. 25 μA) | Select TXS0108E-Q1 only when channel count exceeds four; footprint and layout not compatible with TXS0104EQWBQARQ1 |
| NLSX4014MUTAG | 4-bit auto-direction translator with 1.65–4.5 V A-port and 2.3–5.5 V B-port; no integrated pullups; lower ESD (HBM ±2 kV on B port) | Lacks IEC 61000-4-2 certification; unsuitable for exterior-facing modules or high-noise zones without additional protection | Consider NLSX4014MUTAG only for non-safety-critical interior modules where cost sensitivity outweighs ESD margin and pullup integration |
Compared with TXS0104EQWBQARQ1, TXS0108E-Q1 offers higher channel density at the cost of larger footprint and increased quiescent current, while NLSX4014MUTAG trades integrated pullups and automotive-grade ESD for lower unit cost-making TXS0104EQWBQARQ1 optimal for space-constrained, safety-aware 4-signal bridges in ADAS and infotainment.
Availability
TXS0104EQWBQARQ1 is available at Aetrix Electronics and suitable for automotive infotainment, ADAS sensor interfaces, and body control modules requiring stable component supply, AEC-Q100-compliant sourcing, and long-term production continuity.
Supply support for TXS0104EQWBQARQ1 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
Texas Instruments is a global semiconductor company delivering analog and embedded processing solutions for automotive, industrial, personal electronics, and communications markets.
The TXS0104EQWBQARQ1 belongs to TI's automotive-qualified level-shifter portfolio, designed specifically to simplify voltage-domain bridging in safety-critical vehicle subsystems while meeting stringent ESD, thermal, and reliability requirements.
FAQ
What is the maximum supported data rate for TXS0104EQWBQARQ1 in push-pull mode?
The TXS0104EQWBQARQ1 supports up to 24 Mbps in push-pull mode when VCCA = 3.3 V and VCCB = 5 V, as specified in Section 5.11 of the datasheet. This performance is achieved using internal edge-rate accelerators and is validated across the full –40°C to +125°C operating range. Lower VCCA/VCCB combinations yield slightly reduced rates (e.g., 22 Mbps at VCCA = 3.3 V, VCCB = 3.3 V).
Does TXS0104EQWBQARQ1 require external pullup resistors for I²C operation?
No, TXS0104EQWBQARQ1 does not require external pullup resistors for I²C operation. It integrates 10-kΩ pullup resistors to VCCA on all A-port pins and to VCCB on all B-port pins, as confirmed in Section 7.3.1 and Figure 7-1 of the datasheet. This eliminates eight discrete resistors in a typical 4-signal I²C interface, reducing BOM cost and PCB area.
How is the OE pin powered and what is its behavior during power-up?
The OE pin of TXS0104EQWBQARQ1 is powered from VCCA and is active-low. To ensure all outputs remain in high-impedance state during power-up or power-down, the OE pin must be tied to GND through an external pull-down resistor. The minimum resistance value depends on the driver's current-sourcing capability, as detailed in Section 3 of the datasheet.
Can TXS0104EQWBQARQ1 translate between 1.8-V and 5-V logic domains?
Yes, TXS0104EQWBQARQ1 can translate between 1.8-V and 5-V logic domains: VCCA may be set to 1.8 V (within 1.65–3.6 V range) and VCCB to 5 V (within 2.3–5.5 V range), provided VCCA ≤ VCCB. This configuration is explicitly supported and characterized in Sections 5.6–5.11 for timing, propagation delay, and voltage thresholds.
What automotive qualification level does TXS0104EQWBQARQ1 meet?
TXS0104EQWBQARQ1 is AEC-Q100 qualified at Grade 1, with device temperature range of –40°C to +125°C ambient, HBM ESD Classification Level 2 (±2500 V), and CDM ESD Classification Level C6 (±1500 V). These results are documented in Section 1 of the datasheet and verified per AEC Q100-002 and AEC Q100-011 standards.
TXS0104EQWBQARQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Translator Type:
- Voltage Level
- Channel Type:
- Bidirectional
- Number of Circuits:
- 1
- Channels per Circuit:
- 4
- Voltage - VCCA:
- 1.65 V ~ 3.6 V
- Voltage - VCCB:
- 2.3 V ~ 5.5 V
- Input Signal:
- -
- Output Signal:
- -
- Output Type:
- Open Drain, Push-Pull, Tri-State
- Data Rate:
- 24Mbps
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Features:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 14-WFDFN Exposed Pad
TXS0104EQWBQARQ1 FAQ
1.How can I place an order for TXS0104EQWBQARQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TXS0104EQWBQARQ1 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 TXS0104EQWBQARQ1 reliable?
The price and inventory of TXS0104EQWBQARQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TXS0104EQWBQARQ1 is usually 5 days.
3.What payment methods are accepted for TXS0104EQWBQARQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TXS0104EQWBQARQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TXS0104EQWBQARQ1?
TXS0104EQWBQARQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TXS0104EQWBQARQ1 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 TXS0104EQWBQARQ1?
For technical support, including TXS0104EQWBQARQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TXS0104EQWBQARQ1 requirements.
6.How does Aetrix verify that TXS0104EQWBQARQ1 is sourced from the original manufacturer or authorized distributors?
All TXS0104EQWBQARQ1 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 TXS0104EQWBQARQ1 meets industry standards.
7.What is the process for return or replacement of TXS0104EQWBQARQ1?
All TXS0104EQWBQARQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TXS0104EQWBQARQ1, 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 TXS0104EQWBQARQ1 part is unused and in its original packaging.
Return procedure for TXS0104EQWBQARQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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