Level Interface IC-ASC8T245S

ASC8T245S是国科安芯研制的一款8位双电源总线收发器芯片。这款8位同相总线收发器是一款双向电压电平转换器,可用于在混合电压系统之间建立数字开关兼容性。它使用两个独立的可配置电源轨,VCC(A)和 VCC(B)均支持1.65V至5.5V的工作电压,允许同时支持较低和较高的逻辑信号电平,提供 1.8V、2.5V、3.3V 和5.5V电压节点之间的双向转换功能。可用于两条数据总线之间的异步通信。方向控制 (DIR) 、输入输出使能的逻辑电平可激活B 端口输出或 A 端口输出,或将两个输出端口置于高阻态。ASC8T245S采用先进抗辐照加固设计,可应用于商业航天、核电站等高安全需求场景。

Product Details

  • 控制输入 VIH/VIL电平以 VCCA电压为参考
  • 电源范围:
    • VCCA和 VCCB: 1.65V 至 5.5V
  • VCC隔离:
    • 如果任一 VCC处于 GND, 则两个端口均处于高阻抗状态
  • Ioff: 支持部分掉电模式操作
  • 工作温度范围: -55°C to 125°C
  • 封装: SOP24
  • SEU: ≥37MeV.cm²/mg或10−5次/器件.天(商业航天级)
  • SEL: ≥37MeV.cm²/mg(商业航天级)
  • TID: ≥100krad(Si)(商业航天级)

封装类型:SOP24

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抗辐照:

  • SEU: ≥37MeV.cm²/mg或10−5次/器件.天(商业航天级)
  • SEL: ≥37MeV.cm²/mg(商业航天级)
  • TID: ≥100krad(Si)(商业航天级)

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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