バーコード･スキャナ

主な特徴

• Voltage range from 8 V to 50 V max.
• Phase current up to 2.8 A r.m.s.
• Direct output driving
• Mounting position for shunt resistors available
• Undervoltage lockout
• Programmable high side overcurrent protection
• Thermal protection shutdown
• Compatible with Arduino UNO R3 connector
• Compatible with STM32 Nucleo boards
• RoHS compliant

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主な特徴

• Common features
  • STM32 microcontroller in LQFP144 package
  • 3 user LEDs
  • 2 user and reset push-buttons
  • 32.768 kHz crystal oscillator
  • Board connectors:SWDST Zio expansion connector including Arduino™ Uno V3ST morpho expansion connector
  • Flexible power-supply options: ST-LINK, USB V_BUS or external sources
  • On-board ST-LINK debugger/programmer with USB re-enumeration capability: mass storage, Virtual COM port and debug port
  • Comprehensive free software libraries and examples available with the STM32Cube MCU Package
  • Support of a wide choice of Integrated Development Environments (IDEs) including IAR™, Keil^® and GCC-based IDEs
• Board-specific features
  • External or internal SMPS to generate V_core logic supply
  • Ethernet compliant with IEEE-802.3-2002
  • USB OTG full speed or device only
  • Board connectors:USB with Micro-AB or USB Type-C™Ethernet RJ45
  • Arm^® Mbed Enabled™ compliant

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主な特徴

• Features of PM8805 PoE-PD interface
  • System in package integrating a double active bridge, hot-swap MOSFET and PoE-PD interface
  • PoE-PD single-signature interface compliant with IEEE 802.3bt
  • Detection and support of high power 4-pair applications
  • 100 V N-Ch MOSFETs with 0.2 Ω total path resistance for each active bridge
  • Identifies which kind of PSE (standard or legacy) it is connected to and provides successful IEEE802.3.af/at/bt classification indication through a combination of the T0, T1 and T2 signals (open drain)
  • VFQFPN43 8x8 mm with 6 exposed pads
• Features of PM8804 PWM controller
  • PWM peak current mode controller
  • Input operating voltage up to 75 V
  • Internal high voltage start up regulator with 20 mA capability
  • Programmable fixed frequency up to 1 MHz
  • Soft start up with settable time
  • Soft turn off (optionally disabled)
  • Dual 1Apk, low side complementary gate drivers
  • GATE2 optionally turned off for reduced consumption
  • 80% maximum duty cycle with internal slope compensation
  • VFQFPN 3.0x3.0x1.0 16L 0.5 mm pitch
• WEEE compliant
• RoHS compliant

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主な特徴

• Protection of all lines (data, control and power)
• Common mode filters for USB 2.0 and USB 3.1 lines on STEVAL-OET004V1D
• Plug and receptacle enabling insertion of the PCB between host and cable or device and cable

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主な特徴

• PM8805 4-pair IEEE 802.3bt compliant PD interface
• Works with power supplied from Ethernet LAN cables or local auxiliary sources
• Line input voltage range: 40 to 60 V_DC
• Output stage managed by configurable PM8804 controller
• Output voltage: 5 V_DC ±2.5%
• Output current: 8 A
• Peak-to-peak output ripple: <50 mV
• DC-DC full load efficiency: >91%
• Overall full load efficiency: >90%
• Transient response ΔV pk-pk 100% to 50% load step ≈ 700 mV
• Switching frequency ≈ 280 KHz

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主な特徴

• Low voltage range from 1.8 V to 10 V
• Current up to 2.6 A r.m.s.
• Current control with adjustable off-time
• Full overcurrent and short circuit protection
• Thermal shutdown
• Compatible with Arduino UNO R3 connector
• Compatible with STM32 Nucleo boards
• RoHS compliant

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