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LV8498CT: 电机驱动器,恒定电流,控制音圈

Datasheet: Constant-Current Control Voice Coil Motor Driver IC
Rev. 0 (79.0kB)
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LV8498CT 是一款用于音圈电机的恒定电流驱动器集成电路,支持集成了数字/模拟转换器 (DAC) 的 I2C 控制。它使用超微型 WLP 封装,包括用于恒定电流控制的电流检测电阻,使得该集成电路适用于带摄像头移动电话中摄像头模块的微型化。该输出晶体管具有 1 Ω 的低导通电阻,内置电流检测电阻器的电阻为 1 Ω,最大程度降低了电压损耗,有助于承受 VCC 中的压降。该功能通过在输出电流升降的同时以步进形式改变电流而得以集成,为电流提供了斜率,提高了音圈电机的收敛稳定性(电流斜率功能)。
特性   优势
     
  • I2C bus control supported.
 
  • Easy control
  • Wide operating voltage range (2.2 to 5.0V).
 
  • Wide power supply application
  • Built-in current detection resistor.
 
  • Current limit protection
  • 6-pin WLP package used (1.27 0.87 0.25mm).
 
  • Small mounting space
  • Built-in voltage drop protection circuit (VCC = 2V output off).
 
  • Voltage drop protection
  • Built-in thermal protection circuit.
 
  • Thermal protection
  • Constant current control enabled by 10bit DAC
 
  • Improving the converging stability of the AF-VCM
  • Less External Component
 
  • Simple Design
  • Stand-by current: 0A
 
  • Low consumption
  • Constant current driver for voice coil motors.
   
  • Low output block total-resistance of 2Ω helps withstand voltage drop in VCC. (Current detection resistance + output
    transistor on-resistance).
   
  • Built-in VCM overshoot preventive function (current slope function).
   
  • Power supply Voltage: 2.2 to 5.0V
   
应用   终端产品
  • Portable & Wireless
 
  • Feature Phone
  • Smartphone
  • Tablet
  • Camera for mobile phone
  • Pocket movie Camera
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产品 状况 Compliance 简短说明 行动
LV8498CTGEVB Consult Sales Office
Constant Current Driver IC Evaluation Board
LV8498CTGEVK Consult Sales Office
LSI Evaluation Board Kit
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LV8498CT-TE-L-H Lifetime
Pb-free
Halide free
LV8498CT WLCSP-6 / WLP-6K 567ES 1 260 Tape and Reel 5000 $0.388
市场订货至交货的时间(周) : Contact Factory
外形
567ES   
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