Startseite Schnittstelle CAN transceivers

SN55HVD233-SP

AKTIV

Raumfahrtqualifizierte (RHA) 3,3V-CAN-Transceiver mit Standby-Modus, Loop-Back

Produktdetails

Protocols CAN Number of channels 1 Supply voltage (V) 3 to 3.6 Bus fault voltage (V) -18 to 18 Signaling rate (max) (Bits) 1000000 Rating Space
Protocols CAN Number of channels 1 Supply voltage (V) 3 to 3.6 Bus fault voltage (V) -18 to 18 Signaling rate (max) (Bits) 1000000 Rating Space
CFP (HKX) 8 155.4 mm² 6.475 x 24
  • QMLV (QML Class V) Radiation Hardness Assured (RHA) MIL-PRF 38535 Qualified, SMD 5962L1420901VXC
    • Single Event Latch-up (SEL) Immune to 86 MeV-cm2/mg at 125°C
    • Total Ionizing Dose (TID) immune up 50 kRad (Si) at Low Dose Rate
    • Qualified over the Military Temperature Range (–55°C to 125°C)
    • High-Performance 8-Pin Ceramic Flat Pack (HKX)
  • Compatible With ISO 11898-2
  • Bus Pins Fault Protection Exceeds ±16 V
  • Bus Pins ESD Protection Exceeds ±16 kV HBM
  • Data Rates up to 1 Mbps
  • Extended –7-V to 12-V Common Mode Range
  • High Input Impedance Allows for 120 Nodes
  • LVTTL I/Os are 5-V Tolerant
  • Adjustable Driver Transition Times for Improved Signal Quality
  • Unpowered Node Does Not Disturb the Bus
  • Low Current Standby Mode, 200-µA Typical
  • Loopback for Diagnostic Functions
  • Thermal Shutdown Protection
  • Power Up and Power Down With Glitch-Free Bus Inputs and Outputs
    • High Input Impedance With Low VCC
    • Monolithic Output During Power Cycling
  • QMLV (QML Class V) Radiation Hardness Assured (RHA) MIL-PRF 38535 Qualified, SMD 5962L1420901VXC
    • Single Event Latch-up (SEL) Immune to 86 MeV-cm2/mg at 125°C
    • Total Ionizing Dose (TID) immune up 50 kRad (Si) at Low Dose Rate
    • Qualified over the Military Temperature Range (–55°C to 125°C)
    • High-Performance 8-Pin Ceramic Flat Pack (HKX)
  • Compatible With ISO 11898-2
  • Bus Pins Fault Protection Exceeds ±16 V
  • Bus Pins ESD Protection Exceeds ±16 kV HBM
  • Data Rates up to 1 Mbps
  • Extended –7-V to 12-V Common Mode Range
  • High Input Impedance Allows for 120 Nodes
  • LVTTL I/Os are 5-V Tolerant
  • Adjustable Driver Transition Times for Improved Signal Quality
  • Unpowered Node Does Not Disturb the Bus
  • Low Current Standby Mode, 200-µA Typical
  • Loopback for Diagnostic Functions
  • Thermal Shutdown Protection
  • Power Up and Power Down With Glitch-Free Bus Inputs and Outputs
    • High Input Impedance With Low VCC
    • Monolithic Output During Power Cycling

The SN55HVD233-SP is used in spacecraft applications employing the controller area network (CAN) serial communication physical layer in accordance with the ISO 11898 standard. As a CAN transceiver, the device provides transmit and receive capability between the differential CAN bus and a CAN controller, with signaling rates up to 1 Mbps.

Designed for operation in especially harsh radiation environments, the SN55HVD233-SP features cross-wire, overvoltage, and loss of ground protection to ±16 V, overtemperature (thermal shutdown) protection. This device operates over a wide –7-V to 12-V common mode range. This transceiver is the interface between the host CAN controller on the microprocessor, FPGA, or ASIC, and the differential CAN bus used in satellite applications.

Modes: The RS, pin 8 of the SN55HVD233-SP, provides for three modes of operation: high-speed, slope control, or low-power standby mode. The user selects the high-speed mode of operation by connecting pin 8 directly to ground, allowing the driver output transistors to switch on and off as fast as possible with no limitation on the rise and fall slope. The user can adjust the rise and fall slope by connecting a resistor to ground at pin 8, because the slope is proportional to the pin’s output current. Slope control is implemented with a resistor values of 0 Ω to achieve a single ended slew rate of approximately 38 V/µs up to a value of 50 kΩ to achieve approximately 4 V/µs slew rate. For more information about slope control, refer to the Application and Implementation section.

The SN55HVD233-SP enters a low-current standby (listen-only) mode during which the driver is switched off and the receiver remains active if a high logic level is applied to pin 8. The local protocol controller reverses this low-current standby mode when it needs to transmit to the bus. For more information on the loopback mode, refer to the Application Information section.

Loopback: A logic high on the loopback LBK pin 5 of the SN55HVD233-SP places the bus output and bus input in a high-impedance state. The remaining circuit remains active and available for driver-to-receiver loopback, self-diagnostic node functions without disturbing the bus.

CAN bus states: The CAN bus has two states during powered operation of the device: dominant and recessive. A dominant bus state is when the bus is driven differentially, corresponding to a logic low on the D and R pin. A recessive bus state is when the bus is biased to VCC / 2 through the high-resistance internal input resistors RIN of the receiver, corresponding to a logic high on the D and R pins (see Bus States (Physical Bit Representation) and Simplified Recessive Common Mode Bias and Receiver).

The SN55HVD233-SP is used in spacecraft applications employing the controller area network (CAN) serial communication physical layer in accordance with the ISO 11898 standard. As a CAN transceiver, the device provides transmit and receive capability between the differential CAN bus and a CAN controller, with signaling rates up to 1 Mbps.

Designed for operation in especially harsh radiation environments, the SN55HVD233-SP features cross-wire, overvoltage, and loss of ground protection to ±16 V, overtemperature (thermal shutdown) protection. This device operates over a wide –7-V to 12-V common mode range. This transceiver is the interface between the host CAN controller on the microprocessor, FPGA, or ASIC, and the differential CAN bus used in satellite applications.

Modes: The RS, pin 8 of the SN55HVD233-SP, provides for three modes of operation: high-speed, slope control, or low-power standby mode. The user selects the high-speed mode of operation by connecting pin 8 directly to ground, allowing the driver output transistors to switch on and off as fast as possible with no limitation on the rise and fall slope. The user can adjust the rise and fall slope by connecting a resistor to ground at pin 8, because the slope is proportional to the pin’s output current. Slope control is implemented with a resistor values of 0 Ω to achieve a single ended slew rate of approximately 38 V/µs up to a value of 50 kΩ to achieve approximately 4 V/µs slew rate. For more information about slope control, refer to the Application and Implementation section.

The SN55HVD233-SP enters a low-current standby (listen-only) mode during which the driver is switched off and the receiver remains active if a high logic level is applied to pin 8. The local protocol controller reverses this low-current standby mode when it needs to transmit to the bus. For more information on the loopback mode, refer to the Application Information section.

Loopback: A logic high on the loopback LBK pin 5 of the SN55HVD233-SP places the bus output and bus input in a high-impedance state. The remaining circuit remains active and available for driver-to-receiver loopback, self-diagnostic node functions without disturbing the bus.

CAN bus states: The CAN bus has two states during powered operation of the device: dominant and recessive. A dominant bus state is when the bus is driven differentially, corresponding to a logic low on the D and R pin. A recessive bus state is when the bus is biased to VCC / 2 through the high-resistance internal input resistors RIN of the receiver, corresponding to a logic high on the D and R pins (see Bus States (Physical Bit Representation) and Simplified Recessive Common Mode Bias and Receiver).

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Alle anzeigen 13
Typ Titel Datum
* Data sheet SN55HVD233-SP 3.3-V Radiation Hardened CAN Transceiver datasheet (Rev. A) PDF | HTML 15 Dez 2017
* Radiation & reliability report Single-Event Effects Test Report of the HVD233-SP CAN Bus Transceivers 20 Mär 2018
* Radiation & reliability report SN55HVD233-SP Total Ionizing Dose (TID) Radiation Report 05 Feb 2018
* SMD SN55HVD233-SP SMD 5962-14209 08 Jul 2016
Application brief DLA Approved Optimizations for QML Products (Rev. A) PDF | HTML 05 Jun 2024
Selection guide TI Space Products (Rev. J) 12 Feb 2024
More literature TI Engineering Evaluation Units vs. MIL-PRF-38535 QML Class V Processing (Rev. A) 31 Aug 2023
Application note Heavy Ion Orbital Environment Single-Event Effects Estimations (Rev. A) PDF | HTML 17 Nov 2022
Application note Single-Event Effects Confidence Interval Calculations (Rev. A) PDF | HTML 19 Okt 2022
E-book Radiation Handbook for Electronics (Rev. A) 21 Mai 2019
EVM User's guide SN55HVD233EVM-CVAL Users Guide 30 Aug 2017
Application note Overview of 3.3V CAN (Controller Area Network) Transceivers 22 Jan 2013
Analog Design Journal Message priority inversion on a CAN bus 11 Mär 2009

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

SN55HVD233EVM-CVAL — SN55HVD233-SP strahlungsfestes (RHA) Evaluierungsmodul

The SN55HVD233EVM-CVAL is an evaluation module for the raditation tolerant SN55HVD233-SP CAN tranceiver. The EVM has configurations for basic CAN evaluation, including various load and termination settings necessary to evaluate CAN transceiver performance.
Benutzerhandbuch: PDF
Simulationsmodell

SN55HVD233 IBIS Model

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