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ISO7740 Datasheet(PDF) 1 Page - Texas Instruments |
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ISO7740 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 55 page  ISO774x-Q1 Automotive, High-Speed, Reinforced Quad-Channel Digital Isolators 1 Features • Qualified for automotive applications • AEC-Q100 qualified with the following results: – Device temperature Grade 1: –40°C to 125°C ambient operating temperature • Functional Safety-Capable – Documentation available to aid functional safety system design: ISO7740-Q1, ISO7741-Q1, ISO7742-Q1 • 100Mbps data rate • Robust isolation barrier: – >30-year projected lifetime at 1500VRMS working voltage – Up to 5700VRMS isolation rating – Up to 12.8kV surge capability – ±100kV/μs typical CMTI • Wide supply range: 2.25V to 5.5V • 2.25V to 5.5V level translation • Default output high (ISO774x ) and low (ISO774xF) options • Low power consumption, typical 1.5mA per channel at 1Mbps • Low propagation delay: 10.7ns typical (5V Supplies) • Robust electromagnetic compatibility (EMC) – System-level ESD, EFT, and surge immunity – ±8kV IEC 61000-4-2 contact discharge protection across isolation barrier – Low emissions • Extra-wide SOIC (DWW-16), wide-SOIC (DW-16) and QSOP (DBQ-16) package options • Safety-related certifications: – DIN EN IEC 60747-17 (VDE 0884-17) – UL 1577 component recognition program – IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1 certifications 2 Applications • Hybrid, electric and powertrain system (EV/HEV) – Battery management system (BMS) – On-board charger – Traction inverter – DC/DC converter – Inverter and motor control 3 Description The ISO774x-Q1 automotive devices are high- performance, quad-channel digital isolators with 5700VRMS (DWW package), 5000VRMS (DW package) and 3000VRMS (DBQ package) isolation ratings per UL 1577. This family of devices has reinforced insulation ratings according to VDE, CSA, TUV and CQC. The ISO774x-Q1 devices provide high electromagnetic immunity and low emissions at low power consumption, while isolating CMOS or LVCMOS digital I/Os. Each isolation channel has a logic input and output buffer separated by a double capacitive silicon dioxide (SiO2) insulation barrier. These devices come with enable pins which can be used to put the respective outputs in high impedance for multi-controller driving applications and to reduce power consumption. The ISO7740-Q1 device has all four channels in the same direction, the ISO7741-Q1 device has three forward and one reverse-direction channels, and the ISO7742-Q1 device has two forward and two reverse-direction channels. If the input power or signal is lost, default output is high for devices without suffix F and low for devices with suffix F. See the Device Functional Modes section for further details. Package Information PART NUMBER(1) PACKAGE PACKAGE SIZE(2) ISO7741-Q1 DWW (SOIC, 16) 10.30mm × 14.0mm ISO7740-Q1 ISO7741-Q1 ISO7742-Q1 DW (SOIC, 16) 10.30mm × 7.50mm DBQ (SSOP, 16) 4.90mm × 3.90mm (1) For all available packages, see the orderable addendum at the end of the data sheet. (2) The package size (length × width) is a nominal value and includes pins, where applicable. OUTx GNDO GNDI VCCO VCCI Series Isolation Capacitors Copyright © 2016, Texas Instruments Incorporated INx ENx VCCI=Input supply, VCCO=Output supply GNDI=Input ground, GNDO=Output ground Simplified Schematic ISO7740-Q1, ISO7741-Q1, ISO7742-Q1 SLLSEU0G – NOVEMBER 2016 – REVISED OCTOBER 2024 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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