TXB0102DCTR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The TXB0102DCTR is a 2-bit bidirectional voltage-level translator by Texas Instruments, supporting 1.2V to 3.6V on port A and 1.65V to 5.5V on port B. Available in SOT-23 package with auto-direction sensing for seamless mixed-voltage system integration. In stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TXB0102DCTR Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Bidirectional auto-direction voltage translation without direction control pin
- Supports port A voltage range 1.2V–3.6V and port B voltage range 1.65V–5.5V
- Ultra-compact SOT-23 package enabling space-constrained mixed-voltage designs
- ESD protection on all I/O pins rated to ±2kV HBM
Applications
The TXB0102DCTR is widely used in mobile devices and portable electronics where multiple voltage domains coexist on a single PCB, enabling reliable communication between low-voltage processors and 3.3V or 5V peripherals. It is well suited for I2C, SPI, and general-purpose GPIO level shifting in IoT modules, wearables, and embedded systems. Engineers also employ it in battery-powered designs requiring minimal quiescent current and flexible voltage translation without dedicated direction control signals.
Specifications
| YTEOL | 0 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TXB0102DCTR:
Frequently Asked Questions
What voltage ranges does the TXB0102DCTR support?
The TXB0102DCTR supports 1.2V to 3.6V on port A (VCCA) and 1.65V to 5.5V on port B (VCCB), making it suitable for translating between common logic levels such as 1.8V, 2.5V, 3.3V, and 5V in mixed-voltage systems.
Does the TXB0102DCTR require a direction control signal?
No, the TXB0102DCTR features automatic direction sensing, eliminating the need for an external direction control pin. It detects signal direction by sensing the output-enable and data signals, simplifying board design and reducing required GPIO pins on the host MCU.
What package is the TXB0102DCTR available in?
The TXB0102DCTR comes in a compact SOT-23 (DCT) 6-pin surface-mount package, measuring approximately 2.9mm x 1.6mm, making it ideal for space-constrained PCB designs in portable and wearable electronics.
What interfaces can the TXB0102DCTR be used for?
The TXB0102DCTR can be used to level shift I2C, SPI, UART, and general-purpose GPIO signals between devices operating at different supply voltages, supporting data rates typically up to 100Mbps depending on load conditions.
Is the TXB0102DCTR RoHS compliant?
Yes, the TXB0102DCTR with DCTR suffix is a tape-and-reel packaged device manufactured by Texas Instruments and is available in RoHS-compliant, lead-free versions suitable for modern electronics manufacturing requirements.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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