NSIP93086 series are high reliability isolated RS485 transceiver with integrated DC to DC converter. The NSIP93086 isolated DC to DC converter uses on-chip transformer. The feedback PWM signal is sent to primary side (Isolator Side1) by a digital isolator based on Novosense capacity isolation technology. The NSIP93086 series are safety certified by UL1577 supporting 5kVrms insulation withstand voltage, while the high integrated solution can help to simplify system design and improve reliability. The device features a fail-safe circuitry, which guarantees a logic-high receiver output when the receiver inputs are open or shorted. The device have 96kΩ input impedance that allows up to 256 transceivers on the bus.
Product Features
• Emission optimized to meet CISPR 32 and EN 55032 Class B with >5 dB margin on 2 layers board
• Up to 5000Vrms Insulation voltage
• ISO Power: integrated isolated DC-to-DC converter
• I/O voltage range supports 1.8~5.25V MCU
• Power supply voltage: VDD: 3V to 5.25V; VDDL:1.8V to 5.5V
• Voltage conversion: 5V to 5V, 5V to 3.3V, 3.3V to 3.3V.
• Over current and over temperature protection
• High CMTI: ±150kV/μs
• Data rate: 16Mbps
• Up to 256 transceivers on the bus
• Operation temperature: -40℃~125℃
• RoHS-compliant packages: SOW16, SOW20
Safety Certificate
• UL recognition: up to 5000VRMS for 1 minute per UL1577
• CQC certification per GB4943.1
• CSA component notice 5A
• DIN VDE V 0884-17
Application
• Industrial automation system
• Isolated RS485 communication
• Smart electric meter and water meter
• Security and protection monitoring
Functional Block Diagram
All Resources
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