ISO6720-Q1, ISO6721-Q1, ISO6721R-Q1
SLLSFF5F – JANUARY 2020 – REVISED NOVEMBER 2021
ISO672x-Q1 General Purpose Reinforced and Basic Dual-Channel Automotive Digital
Isolators with Robust EMC
1 Features
3 Description
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Functional Safety-Capable
The ISO672x-Q1 devices are high-performance, dual-
channel digital isolators ideal for cost sensitive
applications requiring up to 5000 VRMS (DWV
package) and 3000 VRMS (D package) isolation
ratings per UL 1577. These devices are also certified
by VDE, TUV, CSA, and CQC.
– Documentation available to aid functional safety
system design: ISO6720-Q1, ISO6721-Q1
AEC-Q100 qualified with the following results:
– Device temperature Grade 1: –40°C to +125°C
ambient operating temperature range
Meets VDA320 isolation requirements
50-Mbps data rate
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The
ISO672x-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 TI's double
capacitive silicon dioxide (SiO2) insulation barrier. The
ISO6720-Q1 device has 2 isolation channels with
both channels in the same direction. The ISO6721-Q1
device has 2 isolation channels with 1 channel in
each direction. In the event of input power or signal
loss, the default output is high for devices without
suffix F and low for devices with suffix F. See Device
Functional Modes section for further details.
Robust isolation barrier:
– High lifetime at 1060 VRMS working voltage
– Up to 5000 VRMS isolation rating
– ±75 kV/μs typical CMTI
Wide supply range: 1.71 V to 1.89 V and 2.25 V to
5.5 V
1.71-V to 5.5-V level translation
Default output High (ISO672x-Q1) and Low
(ISO672xF-Q1) Options
1.8 mA per channel typical at 1 Mbps
Low propagation delay: 11 ns typical
Robust electromagnetic compatibility (EMC)
– System-Level ESD, EFT, and surge immunity
– ±8 kV IEC 61000-4-2 contact discharge
protection across isolation barrier
– Low emissions
Narrow-SOIC (D-8) and Wide-SOIC (DWV-8)
package
Safety-Related Certifications:
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Device Information
PART NUMBER(1)
PACKAGE
BODY SIZE (NOM)
ISO6720B-Q1, ISO6720FB-Q1
ISO6721B-Q1, ISO6721FB-Q1
ISO6721RB-Q1, ISO6721RFB-Q1
ISO6720-Q1, ISO6720F-Q1
ISO6721-Q1, ISO6721F-Q1
D (8)
4.90 mm x 3.91 mm
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DWV (8)
5.85 mm x 7.50 mm
– DIN VDE V 0884-11:2017-01
– UL 1577 component recognition program
– IEC 62368-1, IEC 61010-1, IEC 60601-1
– GB 4943.1-2011
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
VCCO
VCCI
2 Applications
Series Isolation
Capacitors
INx
OUTx
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Hybrid, electric and power train system (EV/HEV)
– Battery management system (BMS)
– On-board charger
GNDI
GNDO
Copyright © 2016, Texas Instruments Incorporated
– Traction inverter
– DC/DC converter
– Inverter and motor control
Power supplies
VCCI=Input supply, VCCO=Output supply
GNDI=Input ground, GNDO=Output ground
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Simplified Schematic
Grid, Electricity meter
Appliances
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.