无传感器三相无刷直流电机控制器,带门极驱动器,用于汽车

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LV8907 是一款高性能、无传感器三相 BLDC 电机控制器,带有集成的门极驱动器,用于驱动外部 N-MOSFET。片上两级电荷泵提供了所需的门极电流,适用于多种超低 RDS(ON) 型外部 N-MOSFET。该器件提供了多种系统保护和诊断功能,如过电流、过电压、短路、欠电压、高温等。它支持开环以及闭环速度控制,带有用户可配置启动、速度设置和比例/积分 (PI) 控制系数,因此适用于多种电机和负载组合。LV8907 具有内置的线性稳压器用于为外部电路、监控计时器和局域互联网 (LIN) 收发器供电,提供了最小的系统解决方案占位。提供了 SPI 接口进行参数设置和系统运行状况监控。LV8907 工作结温容限可达 175°C,具有可电子兼容 LIN 的控制信号(PWM 和 Enable),是理想的独立汽车 BLDC 电机控制系统解决方案。

  • Pumps (fuel, oil, coolant, hydraulic controls, vacuum, ...)
  • Fans and Blowers (HVAC, radiator, condenser, battery, inverter, charger, ...)
  • Compressors
  • Cars, Boats, Trains,...
  • Building Automation (ventilation, heating system, solar boiler, automated doors & shutters, ...)
  • Industrial Equipment
  • White Goods
  • Operating junction temperature up to 175°C
  • Operating voltage range from 5.5 V to 20 V with tolerance from 4.5 V to 40 V
  • Embedded proprietary sensorless commutation control
  • Built-in LIN transceiver and Watchdog timer
  • SPI interface for real-time parameterization and diagnostic
  • Various system protection features including:
    ♦ Shoot through protection using configurable dead time
    ♦ Drain-source short detection
    ♦ Cycle-by-cycle current limit and overcurrent shutdown
    ♦ Overvoltage- and undervoltage shutdown
    ♦ Overtemperature warning and -shutdown
    ♦ Input PWM fault detection
  • Configurable speed setting and PI control coefficients
  • Supports both open-loop and closed-loop speed control
  • Integrated 5 V/3.3 V regulator output for external circuit
  • Integrated predrivers for driving six N-MOSFETs
  • Two-stage charge pump for continuous 100% duty cycle operation
  • AEC−Q100 Qualified and PPAP Capable

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LV8907UWR2G

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Active

CAD Model

Pb

A

H

P

SQFP-48K

3

260

REEL

2500

Y

3

5.5

20

~NA~

~NA~

~NA~

0.8

SPI

$10.0

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