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DRV870x-Q1器件系列是一种单通道H桥栅极驱动器,它使用四个外部N通道MOSFET,旨在驱动一个双向刷式直流电机。
PH /EN,独立H桥或PWM接口允许轻松连接到控制器电路。内部感测放大器提供可调的电流控制。这款栅极驱动器内置有相应的电路,以便能够采用关断时间固定的PWM电流斩波来调节绕组电流。
DRV870x-Q1器件系列通过10.5VV GS 栅极驱动器驱动高侧和低侧FET 。所有外部FET的栅极驱动电流都可通过单一外部电阻器或通过串行外设接口(SPI)进行配置。
低功耗睡眠模式可将部分内部电路关断,从而实现极低的
静态电流消耗。
所有商标均为其各自所有者的财产。
Vs (Min) (V) |
Vs (Max) (V) |
Peak Output Sink Current Gate Drive (Max) (A) |
Peak Output Source Current Gate Drive (Max) (A) |
Control I/F |
Features |
Rating |
DRV8702-Q1 | DRV8702D-Q1 | DRV8703-Q1 | DRV8703D-Q1 | DRV8704 |
---|---|---|---|---|
5.5 | 5.5 | 5.5 | 5.5 | 8 |
45 | 45 | 45 | 45 | 52 |
0.5 | 0.5 | 0.5 | 0.5 | 0.4 |
0.25 | 0.25 | 0.25 | 0.25 | 0.2 |
PHASE/ENABLE PWM Independent 1/2-H PWM | Independent 1/2-H PWM | PHASE/ENABLE PWM Independent 1/2-H PWM | Independent 1/2-H PWM | PWM |
Adjustable Gate Drive Settings Integrated Current Shunt Amplifier Low-Power Sleep Mode | Adjustable Gate Drive Settings Integrated Current Shunt Amplifier Low-Power Sleep Mode | Adjustable Gate Drive Settings SPI Interface Integrated Current Shunt Amplifier Low-Power Sleep Mode | Adjustable Gate Drive Settings SPI Interface Integrated Current Shunt Amplifier Watch Dog Low-Power Sleep Mode | Automatic Mixed Decay Mode Adjustable Gate Drive Settings 5V Integrated LDO Low-Power Sleep Mode Highly Configurable SPI |
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