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DRV8884

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具有电流调节功能和 1/16 微步进的 37V、1A 双极步进电机驱动器  

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DRV8884

正在供货
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产品详情

Vs ABS (max) (V) 40 Vs (min) (V) 8 Peak output current (A) 1.7 Control mode STEP/DIR Control interface Hardware (GPIO) Number of full bridges 2 Full-scale current (A) 1 RDS(ON) (HS + LS) (mΩ) 1400 Sleep current (µA) 3 Microstepping levels 16 Decay mode Mixed, Slow Rating Catalog Operating temperature range (°C) -40 to 125
Vs ABS (max) (V) 40 Vs (min) (V) 8 Peak output current (A) 1.7 Control mode STEP/DIR Control interface Hardware (GPIO) Number of full bridges 2 Full-scale current (A) 1 RDS(ON) (HS + LS) (mΩ) 1400 Sleep current (µA) 3 Microstepping levels 16 Decay mode Mixed, Slow Rating Catalog Operating temperature range (°C) -40 to 125
HTSSOP (PWP) 24 49.92 mm² (7.8 mm × 6.4 mm) WQFN (RHR) 28 19.25 mm² (5.5 mm × 3.5 mm)
  • PWM microstepping stepper motor driver
    • Up to 1/16 microstepping
    • Non-circular and standard ½ step modes
  • Integrated current sense functionality
    • No sense resistors required
    • ±6.25% Full-scale current accuracy
  • Slow and mixed decay options
  • 8.0- to 37-V Operating supply voltage range
  • Low RDS(ON): 1.4 Ω HS + LS at 24 V, 25°C
  • High current capacity
    • 1.0-A Full scale per bridge
    • 0.7-A rms per bridge
  • Fixed off-time PWM chopping
  • Simple STEP/DIR interface
  • Low-current sleep mode (20 µA)
  • Small package and footprint
    • 24 HTSSOP PowerPAD™ package
    • 28 WQFN package
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal shutdown (TSD)
    • Fault condition indication pin (nFAULT)
  • PWM microstepping stepper motor driver
    • Up to 1/16 microstepping
    • Non-circular and standard ½ step modes
  • Integrated current sense functionality
    • No sense resistors required
    • ±6.25% Full-scale current accuracy
  • Slow and mixed decay options
  • 8.0- to 37-V Operating supply voltage range
  • Low RDS(ON): 1.4 Ω HS + LS at 24 V, 25°C
  • High current capacity
    • 1.0-A Full scale per bridge
    • 0.7-A rms per bridge
  • Fixed off-time PWM chopping
  • Simple STEP/DIR interface
  • Low-current sleep mode (20 µA)
  • Small package and footprint
    • 24 HTSSOP PowerPAD™ package
    • 28 WQFN package
  • Protection features
    • VM undervoltage lockout (UVLO)
    • Charge pump undervoltage (CPUV)
    • Overcurrent protection (OCP)
    • Thermal shutdown (TSD)
    • Fault condition indication pin (nFAULT)

The DRV8884 device is a stepper motor driver for industrial equipment applications. The device has two N-channel power MOSFET H-bridge drivers, a microstepping indexer, and integrated current sense. The DRV8884 is capable of driving up to 1.0-A full scale or 0.7-A rms output current (depending on proper PCB ground plane for thermal dissipation and at 24 V and TA = 25°C).

The DRV8884 integrated current sense functionality eliminates the need for two external sense resistors.

The STEP/DIR pins provide a simple control interface. The device can be configured in full-step up to 1/16 step modes. A low-power sleep mode is provided for very-low quiescent current standby using a dedicated nSLEEP pin.

Internal protection functions are provided for undervoltage, charge pump faults, overcurrent, short circuits, and overtemperature. Fault conditions are indicated by an nFAULT pin.

The DRV8884 device is a stepper motor driver for industrial equipment applications. The device has two N-channel power MOSFET H-bridge drivers, a microstepping indexer, and integrated current sense. The DRV8884 is capable of driving up to 1.0-A full scale or 0.7-A rms output current (depending on proper PCB ground plane for thermal dissipation and at 24 V and TA = 25°C).

The DRV8884 integrated current sense functionality eliminates the need for two external sense resistors.

The STEP/DIR pins provide a simple control interface. The device can be configured in full-step up to 1/16 step modes. A low-power sleep mode is provided for very-low quiescent current standby using a dedicated nSLEEP pin.

Internal protection functions are provided for undervoltage, charge pump faults, overcurrent, short circuits, and overtemperature. Fault conditions are indicated by an nFAULT pin.
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技术文档

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 DRV8884 1.0-A Stepper Motor Driver With Integrated Current Sense 数据表 (Rev. E) PDF | HTML 2020-3-11
应用简报 集成电流感测的优势 (Rev. B) PDF | HTML 英语版 (Rev.B) PDF | HTML 2022-10-12
应用手册 电机驱动器电路板布局的最佳实践 (Rev. B) PDF | HTML 英语版 (Rev.B) PDF | HTML 2021-8-5
应用手册 PowerPAD™ Thermally Enhanced Package (Rev. H) 2018-7-6
应用简报 PowerPAD® 轻松实现 (Rev. B) 2004-5-12

设计与开发

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评估板

DRV8884EVM — 带集成感测电阻的 DRV8884 1.0A 步进电机驱动器评估模块

DRV8884 评估模块 (EVM) 展现了来自德州仪器 (TI) 的 DRV8884 集成电路的集成型电流感应功能和性能。EVM 包括用于控制步进电机的 DRV8885、用于控制 DRV8884 输入的 MSP430F2617 以及用于在 GUI 和 MSP430F2617 之间进行通信的 USB 转 UART。
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封装 引脚 CAD 符号、封装和 3D 模型
HTSSOP (PWP) 24 Ultra Librarian
WQFN (RHR) 28 Ultra Librarian
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