SN74AUP1T34-Q1 - 1-Bit Dual-Supply Level Translator | Texas Instruments
MPN: SN74AUP1T34-Q1 ✓ فعالSN74AUP1T34-Q1 جائزہ
A voltage-level translator is a logic IC that converts signals between two different voltage domains, allowing a 1.8V microcontroller to safely drive a 3.3V peripheral or vice versa. Translators sit within the broader logic IC family, alongside buffers, gates, and bus switches, and are essential wherever mixed-voltage systems interface.
Key features include dual-supply operation enabling level translation in either direction (up or down), the AUP (Advanced Ultra-low Power) process family for very low dynamic power consumption, and push-pull output structure that removes the need for pull-up resistors required by open-drain translators. Per the TI datasheet, pin A is referenced to VCCA and receives the signal to be translated.
The device belongs to TI's AUP1T single-gate translator family, which combines tiny single-gate packaging with wide supply flexibility, making it suitable for space-constrained automotive modules. The noninverting buffer topology preserves signal polarity with minimal propagation delay.
Typical applications include automotive body electronics and lighting modules, level-shifting between 1.8V MCUs and 3.3V CAN or LIN transceivers, interfacing low-voltage sensors to higher-voltage logic, and general-purpose single-bit signal conversion in infotainment and cluster designs.
Design consideration: ensure both supply rails are within the datasheet-recommended ranges and observe power-up sequencing guidance in the datasheet to avoid undefined outputs during startup. Because this is a unidirectional translator, the signal must always flow from pin A to pin Y/B.
کے لیے ڈراپ اِن متبادل SN74AUP1T34-Q1 — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں SN74AUP1T34-Q1 (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Function, Package, Operating Temperature, Channels, Output Type.
SN74AUP1T34DCKR
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →SN74LVC1T45DCKR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →SN74LV1T34DCKR
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
SN74AUP1T34-Q1 زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| فنکشن | 1-bit noninverting voltage-level translator |
| Translation Direction | Unidirectional (A to B) |
| Supply Rails | Dual (VCCA and VCCB), configurable |
| آؤٹ پٹ کی قسم | Push-Pull |
| چینلز | 1 |
| Bits per Element | 1 |
| Polarity | Non-Inverting |
| پیکیج | SC-70-5 (DCK) |
| آپریٹنگ درجہ حرارت | -40C to +125C |
| Qualification | AEC-Q100 qualified (automotive) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Family | AUP (Advanced Ultra-low Power) |
| RoHS اسٹیٹس | Compliant |
SN74AUP1T34-Q1 پن کنفیگریشن
| پن 1 | A — Input referenced to VCCA - signal to be translated |
| پن 2 | GND — Ground (0 V reference) |
| پن 3 | B (Y) — Noninverting output referenced to VCCB |
| پن 4 | VCCB — B-port supply rail |
| پن 5 | VCCA — A-port supply rail |
عام استعمالات
SN74AUP1T34-Q1 کے لیے موزوں ہے 6 ایپلیکیشنs: Automotive Body Electronics, Mixed-Voltage MCU-to-Peripheral Interface, Automotive Cluster and Infotainment, Sensor Signal Interface, Gateway and Networking Modules, Industrial Control and PLC I/O.
Automotive Body Electronics
In automotive body control and lighting modules, MCUs running at 1.8V frequently need to drive 3.3V or 5V peripherals such as transceivers and LED drivers. The SN74AUP1T34-Q1 fits because it is AEC-Q100 qualified and rated -40C to +125C, surviving under-hood and near-luminaire thermal environments. Its dual configurable rails allow VCCA=1.8V, VCCB=3.3V setups, and the push-pull output drives the load directly with no pull-up resistors, improving edge rates and reducing BOM count in single-signal interface points.
تجویز کردہ
Mixed-Voltage MCU-to-Peripheral Interface
When a 1.8V microcontroller communicates with 3.3V sensors or memories, a single-bit translator such as the SN74AUP1T34-Q1 bridges one signal (chip-select, enable, or interrupt) per device. The dual-supply architecture means signal polarity and logic levels are always well-defined regardless of direction of translation, unlike resistor-divider down-shift which degrades noise margin. The AUP family's ultra-low dynamic power keeps standby current minimal in always-on automotive or IoT nodes, and the 5-pin SC-70 footprint consumes minimal board area.
تجویز کردہ
Automotive Cluster and Infotainment
Instrument clusters and infotainment head units mix 1.8V SoC I/O with 3.3V display, audio, and touch-controller interfaces. The SN74AUP1T34-Q1 provides one clean, low-jitter translation channel with push-pull output, avoiding the RC-slowed edges of divider networks that can corrupt fast enable or reset lines. AEC-Q100 qualification and -40C to +125C rating cover automotive interior thermal profiles, and the tiny SC-70 package fits dense PCB layouts around connectors and display FPC terminations.
تجویز کردہ
Sensor Signal Interface
Low-voltage sensors and temperature monitors (e.g., 1.8V digital outputs) often need their alert or data lines read by 3.3V logic. The SN74AUP1T34-Q1 translates the sensor output up to the controller domain while maintaining fast, clean edges with its push-pull driver. Because VCCA and VCCB are independent, the sensor supply domain and controller supply domain can be powered and sequenced flexibly. Its ultra-low AUP quiescent power suits battery-backed or always-on sensing nodes in automotive and industrial monitoring.
تجویز کردہ
Gateway and Networking Modules
Automotive Ethernet and CAN/LIN gateway modules combine low-voltage processors with 3.3V transceivers. A single SN74AUP1T34-Q1 per enable or interrupt line ensures level-clean signaling between domains, with propagation characteristics well controlled by the AUP family. Compared to discrete transistor level shifters, the integrated translator provides symmetric rise/fall edges and specified drive across temperature, improving timing margins on reset and sleep-control lines. AEC-Q100 qualification supports the automotive networking environment directly.
تجویز کردہ
Industrial Control and PLC I/O
Industrial controllers mix 1.8V/2.5V DSP I/O with 3.3V or 5V field-side logic. The SN74AUP1T34-Q1 shifts individual control signals with defined thresholds from two independent rails, and the -40C to +125C range covers industrial cabinets despite being an automotive-qualified part. Using one translator per signal gives designers granular control over direction and domain assignment, and the push-pull output drives optocoupler or buffer inputs directly without pull-up resistors, simplifying PLC digital-input front ends.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا SN74AUP1T34-Q1 — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | SN74AUP1T34DCKR | SN74LVC1T45DCKR | SN74LV1T34DCKR |
|---|---|---|---|---|
| Package | SC-70-5 (DCK) | SC-70-5 (DCK) - same | SC-70-5 (DCK) - same | SC-70-5 (DCK) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Supply Architecture | Dual supply (VCCA/VCCB) | Dual supply | Dual supply + DIR pin | Single supply (up-translation only) |
| AEC-Q100 Qualified | Yes | No | No | No |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| Output Type | Push-Pull | Push-Pull | Push-Pull | Push-Pull |
| Channels | 1 | 1 | 1 (bidirectional via DIR) | 1 |
اہم امتیازی خصوصیات
- AEC-Q100 automotive qualification (بمقابلہSN74AUP1T34DCKR)
- Dual independent supply rails enable down-translation (بمقابلہSN74LV1T34DCKR)
- Fixed unidirectional simplicity (بمقابلہSN74LVC1T45DCKR)
ڈیزائن نوٹس
Decouple both VCCA and VCCB with 100 nF ceramic capacitors placed within 2 mm of the pins, per TI logic application guidance. Because the two rails are independent, define a power-up sequence or verify the datasheet Ioff/partial-power-down behavior; undefined outputs during startup can falsely trigger downstream enables. Ensure both rails stay within datasheet-recommended ranges before asserting input signals.
This translator is strictly unidirectional from A to B. Do not back-drive the B output from a source with lower impedance than the output drive, especially during VCCB power-down, or parasitic currents and latch-up risk increase. For bidirectional lines such as I2C, use an open-drain translator (TXS/LSF families) instead.
The SC-70-5 footprint is tiny (2.0 x 2.1 mm); use standard DCK land pattern and short, direct traces for the translated signal to preserve edge rates. Keep the A-side trace away from noisy switching nodes since input thresholds are referenced to VCCA. Thermal management is unnecessary at single-gate power levels.
تعمیل کی معلومات
RoHS compliant and lead-free per TI product page and DigiKey listing. AEC-Q100 automotive qualified per TI datasheet. REACH and halogen-free declarations available via TI environmental certificates on TI.com.
