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主营业务:销售品牌IC(集成电路)，军工IC，电源管理IC，LED集成芯片，电源模块功率模块，通信模块与GPS定位终端设备，电容电阻，连接器，继电器，晶振，二三极管等贴片元器件
Texas Instruments Texas Instruments DRV8x 集成电机驱动器
Texas Instruments DRV8x 电机驱动器 可对有刷和无刷电机、步进电机或其他电子机械传动器等电磁设备进行驱动。设计人员可借助 TI DRV8x 系列集成电机驱动器快速、轻松地实现电机的驱动，缩短上市时间，并极大地简化设计。通过集成栅极驱动电路、感应放大器、保护装置、FETS、工业标准控制接口，并采用驱动算法，设计复杂度、电路板空间以及电机驱动时间等均获得大幅降低。凭借过流、散热、击穿以及欠压等片上保护功能，DRV8x系列器件具有良好的稳定性和可靠性，可得到充分保护。
特性
DRV83xx/DRV84xx Benefits
Integrated pre-drive and power stage capable of up to 24A peak current with 50V supply rail
Extensive on-chip protection including over current, over temperature, under voltage, and short circuit protection
Direct access PWM inputs to the bridge allow for custom commutation and control software from the host processor
DRV87xx Features
Pulse Width Modulation (PWM) Motor Driver
Drives External N-Channel MOSFETs
PWM Control Interface for Dual DC Motors
Supports 100% PWM Duty Cycle
8V to 52V Operating Supply Voltage Range
Adjustable Gate Drive (4 Levels)
50mA to 200mA Source Current
100mA to 400mA Sink Current
Integrated PWM Current Regulation
Flexible Decay Modes
AutomatIC Mixed Decay Mode
Slow Decay
Fast Decay
Mixed Decay (Adjustable Percent Fast)
Highly Configurable SPI
Torque DAC to Digitally Scale Current
Low-Current Sleep Mode (65μA)
5V, 10mA LDO Regulator
Thermally-Enhanced Surface-Mount Package
38-Pin HTSSOP (PowerPAD)
Protection Features
VM Undervoltage Lockout (UVLO)
Gate Driver Fault (PDF)
Overcurrent Protection (OCP)
Thermal Shutdown (TSD)
Fault Condition IndICation Pin (nFAULT)
Fault DiagnostICs through SPI
DRV88xx Benefits
Integrated pre-drive and power stage capable of 5A peak current with 45V supply rails
Extensive on-chip protection including over current, over temperature, under voltage, and short circuit protection
Integrated control logIC for current regulation, PWM generation, and mICro-stepping indexer
Simple to use control interface requiring only a few pins to control (step / direction for stepper motors and phase / enable for DC motors)
应用
Motor Control AC Induction Motors (ACIM) Brushed DC Motors Brushless DC Motors (BLDC) Permanent Magnet Synchronous Motors (PMSM) Stepper Motors
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