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CAN Transceiver - ASM2631S

CAN Transceiver - ASM2631S

ASM2631S is a quad differential line RS422 driver chip developed by Ansilic, compatible with DS26LV31 and featuring tri-state outputs. It complies with the TIA/EIA‑422‑B standard and ITU Recommendation V.11.The chip supports a maximum data rate of 50 Mbps, operates with both 3.3 V and 5 V power supplies, provides an output drive capability above ±30 mA, and includes output short‑circuit protection. Its typical quiescent current is 30 μA.ASM2631S adopts advanced radiation‑hardened design, making it suitable for high‑safety applications such as commercial aerospace and nuclear power plants.

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Product DetailsSolutionsProduct Manual

Product Details

  • Complies with TIA/EIA-422-B standard and ITU Recommendation V.11
  • Supports 3.3V/5V single power supply
  • Maximum switching rate up to 50 Mbps
  • Propagation delay: typical 8 ns
  • High output drive current: ±30 mA
  • Integrated driver output short-circuit protection circuit
  • Provides glitch-free power-up and power-down protection
  • SEU: ≥ 37 MeV·cm²/mg or 10⁻⁵ per device per day (commercial aerospace grade)
  • SEL: ≥ 37 MeV·cm²/mg (commercial aerospace grade)
  • TID: ≥ 100 krad(Si) (commercial aerospace grade)

Package type: SOP16

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  • Radiation Hardness:
  • SEU: ≥ 37 MeV·cm²/mg or 10⁻⁵ per device per day (Commercial Aerospace Grade)
  • SEL: ≥ 37 MeV·cm²/mg (Commercial Aerospace Grade)
  • TID: ≥ 100 krad(Si) (Commercial Aerospace Grade)
CAN Transceiver - ASM2631S 1
CAN Transceiver - ASM2631S thumb 1

Solutions

Commercial space motor control system

Commercial space motor control system

It is used in the antenna pointing mechanism to accurately control the antenna pointing; the load mechanism drives the filter wheel switching of the spectrometer, etc.; the control moment gyro controls the high-speed rotating gyro to produce greater control torque; the momentum wheel/reaction flywheel controls the satellite attitude by changing the flywheel speed; the electric servo system controls the engine nozzle swing to achieve thrust vector control; the electric propulsion system controls the ion or Hall thruster for long-term orbit maintenance and maneuvering of the satellite. Provides a complete set of commercial aerospace-grade motor drive series chips such as motor control, pre-drive, MOSFET, etc., adapted to mainstream commercial satellite motors, provides system solution reference design and motor control algorithms, and quickly realizes the design and application of radiation-resistant commercial aerospace-grade motor drive systems.
Commercial Space laser communication module

Commercial Space laser communication module

It is used in commercial aerospace laser communication modules such as EDFA and optical modules, helping commercial aerospace EDFA modules to accurately monitor parameters, real-time signal processing and fast fault response, accurately regulate the power of pump light sources, and have strong anti-irradiation ability in the face of complex radiation environments in space to ensure long-term reliable operation of EDFA. Realize communication and control management and power supply in optical modules, and provide commercial aerospace-grade series chips.
Commercial Space Communication interface system

Commercial Space Communication interface system

It is used in satellite data management subsystems, measurement and control subsystems, thermal control subsystems, propulsion subsystems, attitude control systems (star sensors, gyroscopes, solar sensors, etc.), execution propulsion systems (electric thrust, reaction flywheels, magnetic torques, etc.), communication payloads, remote sensing payloads, navigation payloads, scientific exploration payloads, etc., providing communication interconnection between key components in satellite platforms and payloads, and providing commercial aerospace-grade series communication interface chips.
Nuclear power plant systems and equipment

Nuclear power plant systems and equipment

Used in nuclear power plant intelligent robots, intelligent inspection equipment, circulating water systems, three waste treatment systems, chemical and volume control systems, equipment cooling water systems, ventilation and air conditioning systems, radioactive waste treatment systems, etc. Provides MCU main controller, DCDC and LDO power chips, communication interfaces and other anti-total dose series chips.

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