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Data Sheet
ISOW1044 Isolated CAN FD Transceiver with Integrated Low-Emissions, Low-Noise, High-Efficiency
DC-DC Converter
1 Features
- Meets the requirements of ISO
11898-2:2016 physical layer standards
- Integrated DC-DC converter with
low-emissions, low-noise
- Meets CISPR 32 and EN 55032 Class B
with greater than 6 dB margin on a two-layer PCB
- Low frequency power converter at 25
MHz enabling low noise performance
- Additional 10 Mbps GPIO channel
- High efficiency output power
- Typical efficiency: 47%
- Isolated output voltage accuracy: ±
5%
- Additional output current: 20 mA
- Independent power supply for CAN & DC-DC
- Logic supply (VIO): 1.71 V
to 5.5 V
- Power converter supply (
VDD): 4.5 V to 5.5 V
- Fault-Protected CAN FD Transceiver
- DC Bus fault protection voltage: ±
58V
- Receiver common mode input voltage:
±12 V
- Remote wakeup via BUS wake-up
pattern
- Typical loop delay: 167 ns
- Reinforced and Basic isolation
options
- High CMTI: 100-kV/µs (typical)
- High ESD bus protection w.r.t GND2
- HBM ESD: ±12 kV
- IEC 61000-4-2 contact discharge: ±8
kV
- Operating temperature range: -40°C to
125°C
- Current limit and thermal shutdown
- 20-pin wide SOIC package
- Safety-Related
Certifications planned:
- VDE Reinforced and Basic insulation
per DIN VDE V 0884-11:2017-01
- UL 1577 component recognition
program
- IEC 62368-1, IEC 61010-1, IEC 60601-1
and GB 4943.1-2011 certifications
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