ISOW1044
- Meets the requirements of ISO
11898-2:2016 physical layer standards
- Support of Classical CAN: 1Mbps
- Optimized for CAN FD: 2 and 5Mbps
- Integrated DC-DC converter with
low-emissions, low-noise
- Meets CISPR 32 and EN 55032 Class B with greater than 6dB margin on a two-layer PCB
- Low frequency power converter at 25MHz enabling low noise performance
- Additional 10Mbps GPIO channel
- High efficiency output power
- Typical efficiency: 47%
- Isolated output voltage accuracy: ± 5%
- Additional output current: 20mA
- Independent power supply for CAN and DC-DC
- Logic supply (VIO): 1.71V to 5.5V
- Power converter supply (VDD): 4.5V to 5.5V
- Fault-Protected CAN FD Transceiver
- DC Bus fault protection voltage: ± 58V
- Receiver common mode input voltage: ±12V
- Remote wakeup using BUS wake-up pattern
- Typical loop delay: 167ns
- Reinforced and Basic isolation options
- High CMTI: 100kV/µs (typical)
- High ESD bus protection with respect to
GND2
- HBM ESD: ±12kV
- IEC 61000-4-2 contact discharge: ±8kV
- Operating temperature range: -40°C to 125°C
- Current limit and thermal shutdown
- 20-pin wide SOIC package
- Safety-Related Certifications:
- VDE Reinforced and Basic insulation per DIN EN IEC 60747-17 (VDE 0884-17)
- UL 1577 component recognition program
- IEC 62368-1, IEC 61010-1, IEC 60601-1 and GB 4943.1 certifications
The ISOW1044 device is a galvanically-isolated controller area network (CAN) transceiver with a built-in isolated DC-DC converter that eliminates the need for a separate isolated power supply in space-constrained isolated designs. The low-emissions, isolated DC-DC meets CISPR 32 radiated emissions Class B standard with just two ferrite beads on a simple two-layer PCB. Additional 20mA output current can be used to power other circuits on the board. An integrated 10Mbps GPIO channel is available and can help remove an additional digital isolator or optocoupler for diagnostics, LED indication or supply monitoring.
The device supports both classical CAN and CAN FD networks up to 5 Megabits per second (Mbps) data rate. The device offers ±58V DC bus fault protection and ±12V common-mode voltage range. Both signal and power paths are 5kVRMS isolated per UL1577 and are qualified for reinforced and basic isolation per VDE, CSA, TUV and CQC. The bus pins of these devices can endure up to 8kV of IEC 61000-4-2 electrostatic discharge (ESD),.
The ISOW1044 device can operate from a single supply voltage of 4.5V to 5.5V by connecting VIO and VDD together on PCB. If lower logic levels are required, these devices support 1.71V to 5.5V logic supply (VIO) that can be independent from the power converter supply (VDD) of 4.5V to 5.5V. This device supports a wide operating ambient temperature range from –40°C to +125°C and are available in 20-pin DFM (SOIC-20 footprint compatible package) offering a minimum of 8mm creepage and clearance.
The ISOW1044 supports a standby mode and wake over CAN compliant to the ISO 11898-2:2016 defined wake-up pattern (WUP). The device also includes protection and diagnostic features supporting thermal-shutdown (TSD), TXD dominant time-out (DTO) and supply undervoltage detection.
技術文件
設計與開發
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| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SOIC (DFM) | 20 | Ultra Librarian |
訂購與品質
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。