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Texas Instruments ISOW784x/ISOW784x-Q1 Reinforced Digital Isolators

Texas Instruments ISOW784x/ISOW784x-Q1 Reinforced Digital Isolators are high-performance, quad-channel reinforced digital isolators with an integrated high-efficiency power converter. The integrated DC-DC converter provides up to 650mW of isolated power at high efficiency and can be configured for various input and output voltage configurations. These devices eliminate the need for a separate isolated power supply in space-constrained isolated designs. The ISOW784x/ISOW784x-Q1 provides high electromagnetic immunity and low emissions while isolating CMOS or LVCMOS digital I/Os. The signal isolation channel has a logic input and output buffer separated by a silicon dioxide (SiO2) insulation barrier. Power isolation uses on-chip transformers separated by thin-film polymer as the insulating material. The Texas Instruments ISOW784x-Q1 devices are AEC-Q100 qualified for automotive applications.

Features

  • Integrated high-efficiency DC-DC converter with on-chip transformer
  • 3V to 5.5V wide input supply range
  • Regulated 5V or 3.3V output
  • Up to 0.65W output power
  • 5V to 5V; 5V to 3.3V: available load current ≥ 130mA
  • 3.3V to 3.3V: available load current ≥ 75mA
  • Soft-start to limit inrush current
  • Overload and short-circuit protection
  • Thermal shutdown
  • Default output: high and low options
  • Signaling rate up to 100Mbps
  • Low propagation delay: 13ns typ. (5V supply)
  • High CMTI: ±100kV/µs minimum
  • Robust Electromagnetic Compatibility (EMC)
    • System-level ESD, EFT, and surge immunity
    • Low emissions
  • 16-pin wide SOIC package
  • –40°C to +125°C extended temperature range 
  • Safety-related certifications
  • 7071VPK reinforced isolation per DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12
  • 5000VRMS isolation for 1 minute per UL 1577
  • CSA Component Acceptance Notice 5A, IEC 60950-1, and IEC 60601-1 End Equipment Standards
  • CQC approval per GB4943.1-2011
  • TUV certification according to EN 60950-1 and EN 61010-1
  • All agency certifications are planned

Applications

  • Industrial automation
  • Motor control
  • Grid infrastructure
  • Medical equipment
  • Test and measurement

Datasheets

Functional Block Diagram

Block Diagram - Texas Instruments ISOW784x/ISOW784x-Q1 Reinforced Digital Isolators

Related Development Tool

Texas Instruments ISOW7841EVM Digital Isolator Evaluation Module

Evaluate the device performance for fast development of the ISOW7841, a digital isolator.

Learn Moreabout Texas Instruments ISOW7841EVM Digital Isolator Evaluation Module View Productsrelated to Texas Instruments ISOW7841EVM Digital Isolator Evaluation Module
Paskelbta: 2017-04-10 | Atnaujinta: 2022-04-25