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邏輯和電壓轉換
電壓轉換器及電平移位器
電壓轉換器

TXB0101

現行

具有自動方向感測和 ±15kV ESD 保護的 1 位元雙向電壓電平移位器

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產品規格表

TXB0101

現行
立即訂購

產品詳細資料

Bits (#) 1 Data rate (max) (Mbps) 100 Topology Push-Pull Direction control (typ) Auto-direction Vin (min) (V) 1.2 Vin (max) (V) 3.6 Vout (min) (V) 1.2 Vout (max) (V) 5.5 Features Edge rate accelerator, Integrated pullup resistors, Output enable, Partial power down (Ioff), Vcc isolation Technology family TXB Supply current (max) (mA) 0.008 Rating Catalog Operating temperature range (°C) -40 to 85
Bits (#) 1 Data rate (max) (Mbps) 100 Topology Push-Pull Direction control (typ) Auto-direction Vin (min) (V) 1.2 Vin (max) (V) 3.6 Vout (min) (V) 1.2 Vout (max) (V) 5.5 Features Edge rate accelerator, Integrated pullup resistors, Output enable, Partial power down (Ioff), Vcc isolation Technology family TXB Supply current (max) (mA) 0.008 Rating Catalog Operating temperature range (°C) -40 to 85
SOT-5X3 (DRL) 6 2.56 mm² (1.6 mm × 1.6 mm) SOT-23 (DBV) 6 8.12 mm² (2.9 mm × 2.8 mm) SOT-SC70 (DCK) 6 4.2 mm² (2 mm × 2.1 mm) USON (DRY) 6 1.45 mm² (1.45 mm × 1 mm) DSBGA (YZP) 6 2.1875 mm² (— mm × — mm)
  • Available in the Texas Instruments NanoFree™ package
  • 1.2V to 3.6V on A port and 1.65V to 5.5V on B port (VCCA ≤ VCCB)
  • VCC isolation feature – if either VCC input is at GND, all outputs are in the high-impedance state
  • OE input circuit referenced to VCCA
  • Low power consumption, 5µA maximum ICC
  • Ioff supports partial-power-down mode operation
  • Latch-up performance exceeds 100mA Per JESD 78, class II
  • ESD protection Exceeds JESD 22
    • A port
      • 2000V Human body model (A114-B)
      • 250V Machine model (A115-A)
      • 1500V Charged-device model (C101)
    • B port
      • 15kV Human body model (A114-B)
      • 250V Machine model (A115-A)
      • 1500V Charged-device model (C101)
  • Available in the Texas Instruments NanoFree™ package
  • 1.2V to 3.6V on A port and 1.65V to 5.5V on B port (VCCA ≤ VCCB)
  • VCC isolation feature – if either VCC input is at GND, all outputs are in the high-impedance state
  • OE input circuit referenced to VCCA
  • Low power consumption, 5µA maximum ICC
  • Ioff supports partial-power-down mode operation
  • Latch-up performance exceeds 100mA Per JESD 78, class II
  • ESD protection Exceeds JESD 22
    • A port
      • 2000V Human body model (A114-B)
      • 250V Machine model (A115-A)
      • 1500V Charged-device model (C101)
    • B port
      • 15kV Human body model (A114-B)
      • 250V Machine model (A115-A)
      • 1500V Charged-device model (C101)

This 1-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2V to 3.6V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.65V to 5.5V. This allows for universal low-voltage bidirectional translation between any of the 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, and 5V voltage nodes. VCCA should not exceed VCCB.

When the output-enable (OE) input is low, all outputs are placed in the high-impedance state.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

To ensure the high-impedance state during power up or power down, OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.

NanoFree™ package technology is a major breakthrough in IC packaging concepts, using the die as the package.

This 1-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2V to 3.6V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.65V to 5.5V. This allows for universal low-voltage bidirectional translation between any of the 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, and 5V voltage nodes. VCCA should not exceed VCCB.

When the output-enable (OE) input is low, all outputs are placed in the high-impedance state.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

To ensure the high-impedance state during power up or power down, OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.

NanoFree™ package technology is a major breakthrough in IC packaging concepts, using the die as the package.
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功能相同，但針腳輸出與所比較的裝置不同。
TXB0108 現行 具自動方向感測和 +/-15-kV ESD 保護的 8 位元雙向電壓位準移位器 Same function in 8-channel version
TXU0101 現行 單通道固定方向位準移位器 1 channel fixed direction level translator
TXB0104 現行 具自動方向感測和 +/-15-kV ESD 保護的 4 位元雙向電壓位準移位器 Same function for 4-channel voltage translator

技術文件

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 TXB0101 1-Bit Bidirectional Level-Shifting and Voltage Translator With Auto Direction-Sensing and ±15kV ESD Protection datasheet (Rev. F) PDF | HTML 2025/9/8
應用說明 Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators PDF | HTML 2024/7/12
應用說明 Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) PDF | HTML 2024/7/3
應用說明 Leveraging Edge Rate Accelerators with Auto-Sensing Level Shifters PDF | HTML 2023/9/29
應用說明 Do’s and Don’ts for TXB and TXS Voltage Level-Shifters with Edge Rate Accelerato PDF | HTML 2023/6/28
選擇指南 Voltage Translation Buying Guide (Rev. A) 2021/4/15
應用說明 Effects of pullup and pulldown resistors on TXS and TXB devices (Rev. A) 2018/3/28
應用說明 Factors Affecting VOL for TXS and LSF Auto-bidirectional Translation Devices 2017/11/19
應用說明 Biasing Requirements for TXS, TXB, and LSF Auto-Bidirectional Translators 2017/10/30
應用說明 A Guide to Voltage Translation With TXS-Type Translators 2010/6/29
應用說明 A Guide to Voltage Translation With TXB-Type Translators 2010/3/3

設計與開發

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開發板

5-8-LOGIC-EVM — 適用於 5 針腳至 8 針腳 DCK、DCT、DCU、DRL 和 DBV 封裝的通用邏輯評估模組

靈活的 EVM 旨在支援任何針腳數為 5 至 8 支且採用 DCK、DCT、DCU、DRL 或 DBV 封裝的裝置。
使用指南: PDF
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開發板

TXB-EVM — 1 至 8 位元 TXB 轉換器系列評估模組

此 EVM 專為支援 TXB 自動雙向系列的單通道、雙通道、四通道及八通道裝置而設計。TXB 裝置屬於自動雙向轉換系列，操作電壓範圍設計於 1.2V 至 5.5V 之間的電平轉換。
使用指南: PDF | HTML
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模擬型號

TXB0101 HSPICE Model

SCEM561.ZIP (98 KB) - IBIS 模型
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參考設計

TIDA-00403 — 使用 TLV320AIC3268 miniDSP 轉碼器的超音波距離量測參考設計

TIDA-00403 參考設計使用針對超音波距離量測解決方案的現成 EVM，該解決方案使用 TLV320AIC3268 miniDSP 中的演算法。與 TI 的 PurePath Studio 設計套件搭配使用，只需按滑鼠即可設計穩固且使用者可配置的超音波距離量測系統。使用者可修改超音波突衝產生特性和偵測演算法，以配合工業和測量應用的特定使用案例，讓使用者能夠克服其他固定功能感測器的限制，同時提高量測可靠性。TLV320AIC3268 上的兩個 GPIO 會自動觸發，表示發射與接收的超音波突衝。透過監控這些 GPIO 的主機 MCU，即可擷取飛行時間。

支援產品和硬體
封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOT-5X3 (DRL) 6 Ultra Librarian
SOT-23 (DBV) 6 Ultra Librarian
SOT-SC70 (DCK) 6 Ultra Librarian
USON (DRY) 6 Ultra Librarian
DSBGA (YZP) 6 Ultra Librarian
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