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DRV120 - 产品图解：
DRV120-PWM 螺线管控制器
DRV120--螺线管驱动器-电机驱动器
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TI产品 - DRV120介绍

DRV120 - PWM 螺线管控制器

DRV120是TI德州仪器公司的一款无产品，DRV120是PWM 螺线管控制器，本站介绍了DRV120的封装应用图解、特点和优点、功能等，并给出了与DRV120相关的TI元器件型号供参考。

DRV120 - PWM 螺线管控制器 - 无 - 螺线管驱动器 - 德州仪器

产品特性
  • Integrated MOSFET With PWM to Control Solenoid Current
    • Integrated Sense Resistor for Regulating Solenoid Current
  • Fast Ramp-Up of Solenoid Current to Guarantee Activation
  • Solenoid Current is Reduced in Hold Mode for Lower Power and Thermal Dissipation
  • Peak Current, Keep Time at Peak Current, Hold Current, and PWM Clock Frequency Can Be Set Externally. They Can Also Be Operated at Nominal Values Without External Components.
  • Internal Supply Voltage Regulation
    • Up to 28-V External Supply
  • Protection
    • Thermal Shutdown
    • Undervoltage Lockout (UVLO)
    • Maximum Ramp Time
    • Optional STATUS Output
  • Operating Temperature Range: –40ºC to 105ºC
  • 8-Pin and 14-Pin TSSOP Package Options
产品应用
  • Electromechanical Drivers: Solenoids, Valves, Relays
  • White Goods, Solar, Transportation
产品说明

The DRV120 device is a PWM current driver for solenoids. The device is designed to regulate the current with a well-controlled waveform to guarantee activation and to reduce power dissipation at the same time. The solenoid current is ramped up fast to ensure opening of the valve or relay. After the initial ramping, solenoid current is kept at peak value to ensure the correct operation, after which it is reduced to a lower hold level in order to avoid thermal problems and reduce power dissipation.

The peak current duration is set with an external capacitor. The current ramp peak and hold levels, as well as PWM frequency, can independently be set with external resistors. External setting resistors can also be omitted, if the default values for the corresponding parameters are suitable for the application.

The DRV120 can operate from an external 6-V to 28-V supply.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
DRV120TSSOP (14)5.00 mm × 4.40 mm
TSSOP (8)3.00 mm × 4.40 mm
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