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Texas Instruments TXU0104QWBQARQ1
- Part No.:
- TXU0104QWBQARQ1
- Manufacturer:
- Texas Instruments
- Category:
- Translators, Level Shifters
- Package:
- Datasheet:
-
TXU0104QWBQARQ1.pdf
- Description:
- IC TRANSLATOR UNIDIR 14WQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,485
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Product details
Overview
TXU0104QWBQARQ1 from Texas Instruments is an AEC-Q100 qualified automotive 4-bit fixed-direction voltage-level translator with Schmitt-trigger inputs and 3-state outputs. It supports dual-rail operation from 1.1 V to 5.5 V per port, delivers up to 200 Mbps (3.3 V → 5.0 V), provides 12 mA drive strength at 5 V, and operates across –40°C to +125°C for engine control and ADAS domain controllers.
For engineers reviewing the TXU0104QWBQARQ1 datasheet, TXU0104QWBQARQ1 pinout, TXU0104QWBQARQ1 application, or TXU0104QWBQARQ1 equivalent, this page delivers verified electrical specifications, validated pin functions for WBQA package, confirmed automotive-grade reliability data, and real-world I/O level-shifting use cases in UART, SPI, and push-pull GPIO interfaces.
Technical Context
The TXU0104QWBQARQ1 implements a noninverting fixed-direction translation architecture where A-port signals (A1–A4) referenced to VCCA are translated to B-port outputs (B1Y–B4Y) referenced to VCCB - or vice versa - under OE control. Direction is unidirectional per channel but configurable via supply rail assignment, not internal logic.
Its Schmitt-trigger inputs provide hysteresis (ΔVT = 0.2–1.06 V depending on VCCI) to reject slow edges and noise, while integrated static pull-down resistors prevent floating inputs. The VCC isolation (Ioff-float) feature forces all outputs into high-impedance when either VCCA or VCCB drops below 100 mV, enabling safe partial-power-down operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range (VCCA/VCCB) | 1.1 V to 5.5 V per rail - enables interoperability between legacy 5 V microcontrollers and modern 1.2 V/1.8 V SoCs without external biasing. |
| Max Data Rate | 200 Mbps (3.3 V → 5.0 V) - supports high-speed UART and SPI clock domains in infotainment and gateway ECUs. |
| Drive Strength | ±12 mA at 5 V - sufficient to directly drive LEDs, optocouplers, or logic inputs without external buffers. |
| Quiescent Current | 3 µA max at 25°C - minimizes standby power in always-on vehicle networks like CAN FD wake-up paths. |
| Input Hysteresis (ΔVT) | 0.2–1.06 V (VCCI-dependent) - rejects >100 ns noise pulses and stabilizes mechanical switch debouncing without RC filters. |
| ESD Rating | ±2500 V HBM, ±1500 V CDM - meets automotive board-level ESD robustness requirements per AEC-Q100-002/-011. |
| Operating Temp | –40°C to +125°C - qualified for under-hood and transmission-control module environments. |
Pinout & Package
VQFN-14 (WBQA) package, 3.00 mm × 2.50 mm body, wettable flank design for automated optical inspection (AOI) and solder-joint reliability in automotive reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1–A4 | Input (A-port) | Referenced to VCCA; accept 1.1–5.5 V logic; include Schmitt-trigger hysteresis and internal pulldown. |
| B1Y–B4Y | Output (B-port) | Referenced to VCCB; 3-state controlled by OE; support ±12 mA drive at 5 V. |
| OE | Output Enable | Active-high; referenced to VCCA or VCCB; enables/disables all B-port outputs simultaneously. |
| VCCA / VCCB | Supply Rails | Independent A- and B-port supplies; enable bidirectional voltage translation without direction control pins. |
| GND | Ground | Common reference for both ports; thermal pad recommended grounded for mechanical integrity. |
| NC (Pins 6, 9) | No Connect | Unbonded die pads; must remain unconnected on PCB to avoid parasitic coupling or latch-up risk. |
Key Features
| Feature | Design Value |
|---|---|
| Schmitt-trigger inputs | Enables reliable signal acquisition from slow-switching sensors or noisy harnesses without external hysteresis circuitry. |
| VCC isolation (Ioff-float) | Prevents backfeeding and bus contention during power sequencing - critical for multi-rail domain controllers. |
| OE referenced to either rail | Allows direct control from A- or B-side MCU without level-shifting the enable signal itself. |
| Wettable flank QFN (WBQA) | Supports AOI-based solder-joint inspection - mandated for ASIL-B/C automotive production lines. |
| Pinout compatibility with TXB family | Enables drop-in replacement in existing designs using TXB0104-Q1, reducing redesign effort and qualification overhead. |
Applications
| Engine Control Unit (ECU) Signal Conditioning | ADAS Camera Interface Level Shifting |
|---|---|
|
Use Scenario: Translating 1.8 V MIPI CSI-2 control signals from image sensor to 3.3 V SoC GPIO in rear-view camera module. IC Role / Device Role / Timing Role: Fixed-direction A→B translator with Schmitt inputs rejecting EMI from motor drivers near camera harness. Use Value: Eliminates need for discrete resistor-divider networks and ensures <10 ns propagation delay skew across all four control lines. |
Use Scenario: Isolating 5 V diagnostic UART lines from 1.2 V microcontroller core in surround-view system. IC Role / Device Role / Timing Role: B→A translator enabling debug communication while maintaining VCCB-powered peripherals during core sleep. Use Value: Ioff-float prevents current leakage into powered-down 1.2 V domain, extending battery runtime in parked mode. |
| Automotive Infotainment Touch Controller | Body Control Module (BCM) LED Driver Interface |
|
Use Scenario: Level-shifting I²C signals between 3.3 V touch controller and 5 V display backlight IC. IC Role / Device Role / Timing Role: Bidirectional-capable fixed translator supporting open-drain I²C timing with 1.1–5.5 V rail flexibility. Use Value: Integrated pull-downs eliminate external bias resistors; hysteresis suppresses capacitive coupling noise from adjacent LCD traces. |
Use Scenario: Driving 5 V indicator LEDs from 1.8 V GPIO of body domain MCU. IC Role / Device Role / Timing Role: A→B translator providing 12 mA sink/source per channel to directly illuminate status LEDs. Use Value: Removes need for discrete MOSFET drivers; 3-state outputs allow shared LED bus with multiplexed control. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage-level translation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TXB0104QWRQ1 | Auto-bidirectional (data direction inferred from bus activity); no Schmitt inputs; lower drive (4 mA). | Requires active bus traffic to maintain direction; unsuitable for static GPIO or slow-switching sensor lines. | Select TXU0104QWBQARQ1 when deterministic unidirectional translation, noise immunity, or higher drive is required. |
| TXU0204QWBQARQ1 | 2-channel reverse-direction capability (A→B + B→A); identical Schmitt inputs, drive, and WBQA package. | Supports mixed-direction protocols like JTAG TCK/TMS (A→B) and TDO (B→A) on same device. | Choose TXU0104QWBQARQ1 for pure unidirectional use cases to reduce cost and simplify layout. |
Compared with TXB0104QWRQ1, TXU0104QWBQARQ1 offers superior noise immunity and higher drive for static control lines; compared with TXU0204QWBQARQ1, it reduces pin count and bill-of-materials cost where only one translation direction is needed.
Availability
TXU0104QWBQARQ1 is available at Aetrix Electronics and suitable for automotive engine control units, ADAS camera modules, and body electronics requiring stable component supply with AEC-Q100 compliance and full traceability.
Supply support for TXU0104QWBQARQ1 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 leader specializing in analog, embedded processing, and automotive-grade ICs, with over 50 years of innovation in power management and signal chain solutions.
The TXU0x04-Q1 product line delivers AEC-Q100 qualified, Schmitt-trigger-equipped voltage translators optimized for automotive domain controllers, replacing discrete solutions with integrated, space-efficient, and thermally robust alternatives.
FAQ
What is the maximum supported data rate for TXU0104QWBQARQ1 in a 3.3 V to 5.0 V translation scenario?
The TXU0104QWBQARQ1 supports up to 200 Mbps when translating from 3.3 V (VCCA) to 5.0 V (VCCB), as specified in the switching characteristics table under "TMAX – Maximum Data Rate" for up-translation conditions. This performance is validated across the full automotive temperature range (–40°C to +125°C) and applies specifically to the TXU0104QWBQARQ1 variant in the WBQA package.
Does TXU0104QWBQARQ1 support level translation in both directions (A-to-B and B-to-A) simultaneously?
No - TXU0104QWBQARQ1 is a fixed-direction translator: data flows either A-to-B or B-to-A depending on how VCCA and VCCB are assigned and how OE is asserted, but not both simultaneously on the same channel. Direction is determined by supply rail assignment, not dynamic bus activity, distinguishing it from auto-bidirectional devices like TXB0104QWRQ1.
How does the Ioff-float feature function in TXU0104QWBQARQ1, and why is it important for automotive systems?
The Ioff-float feature disables all outputs and places them in high-impedance state if either VCCA or VCCB falls below ~100 mV or becomes disconnected. This prevents backfeeding, bus contention, and unintended current paths during power sequencing or fault conditions - essential for ISO 26262-compliant automotive subsystems where supply rail independence is critical.
Can the OE pin of TXU0104QWBQARQ1 be driven from either the A-side or B-side supply voltage?
Yes - the OE pin in TXU0104QWBQARQ1 is designed to be referenced to either VCCA or VCCB, allowing direct control from the same supply domain as the controlling MCU without requiring an additional level shifter. This simplifies interface design in mixed-voltage automotive modules such as domain gateways interfacing 1.2 V cores with 5 V peripherals.
What is the purpose of the Schmitt-trigger inputs in TXU0104QWBQARQ1, and how much hysteresis do they provide?
The Schmitt-trigger inputs in TXU0104QWBQARQ1 provide input hysteresis (ΔVT) ranging from 0.2 V to 1.06 V depending on the applied VCCI supply, enabling reliable detection of slow or noisy signals - such as those from mechanical switches or long harness runs - without external filtering. This eliminates false triggering and improves system robustness in electrically harsh automotive environments.
TXU0104QWBQARQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Translator Type:
- Voltage Level
- Channel Type:
- Unidirectional
- Number of Circuits:
- 1
- Channels per Circuit:
- 4
- Voltage - VCCA:
- 1.08 V ~ 5.5 V
- Voltage - VCCB:
- 1.08 V ~ 5.5 V
- Input Signal:
- -
- Output Signal:
- -
- Output Type:
- Tri-State
- Data Rate:
- 200Mbps
- 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
TXU0104QWBQARQ1 FAQ
1.How can I place an order for TXU0104QWBQARQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TXU0104QWBQARQ1 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 TXU0104QWBQARQ1 reliable?
The price and inventory of TXU0104QWBQARQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TXU0104QWBQARQ1 is usually 5 days.
3.What payment methods are accepted for TXU0104QWBQARQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TXU0104QWBQARQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TXU0104QWBQARQ1?
TXU0104QWBQARQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TXU0104QWBQARQ1 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 TXU0104QWBQARQ1?
For technical support, including TXU0104QWBQARQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TXU0104QWBQARQ1 requirements.
6.How does Aetrix verify that TXU0104QWBQARQ1 is sourced from the original manufacturer or authorized distributors?
All TXU0104QWBQARQ1 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 TXU0104QWBQARQ1 meets industry standards.
7.What is the process for return or replacement of TXU0104QWBQARQ1?
All TXU0104QWBQARQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TXU0104QWBQARQ1, 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 TXU0104QWBQARQ1 part is unused and in its original packaging.
Return procedure for TXU0104QWBQARQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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