A4935KJP-T
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A4935KJP-T

  • Category:Driver chip
  • Product Name:Automotive grade three-phase MOSFET driver
  • Manufacturers:Allegro
  • Production Batch Number:15+
  • Encapsulation:48-lead LQFP
  • Stock Status:There is stock
  • Stock Quantity:3230
  • Minimum order quantity: 1
  • Details:点击查找A4935KJP-T的pdf资料
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  • Product introduction

A4935 是一款可与 N 信道外部功率 MOSFET 一同使用的三相控制器,其专门面向汽车应用。

独特的电荷泵稳压器提供完整 (>10 V) 门极驱动器,以应对电池电压低至 7 V 的情形,并允许 A4935 在Gate drivers电压降至 5.5 V 时运行。

The bootstrap capacitor is used to provide the above battery supply voltage required for the N-channel MOSFET. The high-side drive internal charge pump allows DC (100% duty cycle) operation.

该器件可实现对三相桥中所有六个功率 FET 的全面控制,从而可通过块整流或正弦激励驱动电动机。集成交叉控制与电阻可调无感时间可使功率 FET 免于击穿。

可使用集成电流感应放大器测量桥电流。这是一种具有地下共模模式范围的不受约束的差动放大器,可使其在低端电流感应应用中使用。增益及偏移由外部电阻加以定义。

集成诊断提供了欠压、过温及功率桥故障。可将它们配置成在大多数短路情况下保护功率 FET。详细诊断可通过串行数据词的形式提供。

A4935 采用带外露隔热片的 48 引脚 LQFP 封装(后缀 JP)。这是一个占地面积(81 mm2)较小的功率封装。其封装均为无铅产品,且引脚框采用 100% 雾锡电镀。

  • High-current 3-phase gate driver for N-channel MOSFETs
  • Cross-conduction protection with adjustable inductive time
  • The charge pump provides 100% PWM when fully charged
  • The charge pump operates at low supply voltages
  • 不受约束的电流感应放大器
  • 5.5 to 50 V supply voltage range
  • 可与 3.3 V 及 5 V 逻辑器件兼容
  • Comprehensive diagnostic output
  • Low current sleep mode

 

andA4935KJP-TRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
APEK4935KJP-01-T Allegro 15+ 48-lead LQFP Automotive grade three-phase MOSFET driver
A4935KJPTR-T Allegro 15+ 48-lead LQFP Automotive grade three-phase MOSFET driver
A4935KJP-T Allegro 15+ 48-lead LQFP Automotive grade three-phase MOSFET driver

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