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步進馬達驅動器

DRV8825

現行

具電流調節與 1/32 微步進的 45-V、2.5-A 雙極步進馬達驅動器

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產品規格表

DRV8825

現行
產品規格表 立即訂購

產品詳細資料

Number of full bridges 2 Vs (min) (V) 8.2 Vs ABS (max) (V) 47 Full-scale current (A) 2.5 Peak output current (A) 3 RDS(ON) (HS + LS) (mΩ) 400 Sleep current (µA) 10 Control mode STEP/DIR Control interface Hardware (GPIO) Microstepping levels 32 Features Current Regulation Rating Catalog Operating temperature range (°C) -40 to 85
Number of full bridges 2 Vs (min) (V) 8.2 Vs ABS (max) (V) 47 Full-scale current (A) 2.5 Peak output current (A) 3 RDS(ON) (HS + LS) (mΩ) 400 Sleep current (µA) 10 Control mode STEP/DIR Control interface Hardware (GPIO) Microstepping levels 32 Features Current Regulation Rating Catalog Operating temperature range (°C) -40 to 85
HTSSOP (PWP) 28 62.08 mm² 9.7 x 6.4
  • PWM Microstepping Stepper Motor Driver
    • Built-In Microstepping Indexer
    • Up to 1/32 Microstepping
  • Multiple Decay Modes
    • Mixed Decay
    • Slow Decay
    • Fast Decay
  • 8.2-V to 45-V Operating Supply Voltage Range
  • 2.5-A Maximum Drive Current at 24 V and
    TA = 25°C
  • Simple STEP/DIR Interface
  • Low Current Sleep Mode
  • Built-In 3.3-V Reference Output
  • Small Package and Footprint
  • Protection Features
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • VM Undervoltage Lockout (UVLO)
    • Fault Condition Indication Pin (nFAULT)
  • APPLICATIONS
    • Automatic Teller Machines
    • Money Handling Machines
    • Video Security Cameras
    • Printers
    • Scanners
    • Office Automation Machines
    • Gaming Machines
    • Factory Automation
    • Robotics
  • PWM Microstepping Stepper Motor Driver
    • Built-In Microstepping Indexer
    • Up to 1/32 Microstepping
  • Multiple Decay Modes
    • Mixed Decay
    • Slow Decay
    • Fast Decay
  • 8.2-V to 45-V Operating Supply Voltage Range
  • 2.5-A Maximum Drive Current at 24 V and
    TA = 25°C
  • Simple STEP/DIR Interface
  • Low Current Sleep Mode
  • Built-In 3.3-V Reference Output
  • Small Package and Footprint
  • Protection Features
    • Overcurrent Protection (OCP)
    • Thermal Shutdown (TSD)
    • VM Undervoltage Lockout (UVLO)
    • Fault Condition Indication Pin (nFAULT)
  • APPLICATIONS
    • Automatic Teller Machines
    • Money Handling Machines
    • Video Security Cameras
    • Printers
    • Scanners
    • Office Automation Machines
    • Gaming Machines
    • Factory Automation
    • Robotics

The DRV8825 provides an integrated motor driver solution for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers and a microstepping indexer, and is intended to drive a bipolar stepper motor. The output driver block consists of N-channel power MOSFET’s configured as full H-bridges to drive the motor windings. The DRV8825 is capable of driving up to 2.5 A of current from each output (with proper heat sinking, at 24 V and 25°C).

A simple STEP/DIR interface allows easy interfacing to controller circuits. Mode pins allow for configuration of the motor in full-step up to 1/32-step modes. Decay mode is configurable so that slow decay, fast decay, or mixed decay can be used. A low-power sleep mode is provided which shuts down internal circuitry to achieve very low quiescent current draw. This sleep mode can be set using a dedicated nSLEEP pin.

Internal shutdown functions are provided for overcurrent, short circuit, under voltage lockout and over temperature. Fault conditions are indicated via the nFAULT pin.

The DRV8825 provides an integrated motor driver solution for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers and a microstepping indexer, and is intended to drive a bipolar stepper motor. The output driver block consists of N-channel power MOSFET’s configured as full H-bridges to drive the motor windings. The DRV8825 is capable of driving up to 2.5 A of current from each output (with proper heat sinking, at 24 V and 25°C).

A simple STEP/DIR interface allows easy interfacing to controller circuits. Mode pins allow for configuration of the motor in full-step up to 1/32-step modes. Decay mode is configurable so that slow decay, fast decay, or mixed decay can be used. A low-power sleep mode is provided which shuts down internal circuitry to achieve very low quiescent current draw. This sleep mode can be set using a dedicated nSLEEP pin.

Internal shutdown functions are provided for overcurrent, short circuit, under voltage lockout and over temperature. Fault conditions are indicated via the nFAULT pin.
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類型 標題 日期
* Data sheet DRV8825 Stepper Motor Controller IC datasheet (Rev. F) PDF | HTML 2014年 7月 24日
Application note Best Practices for Board Layout of Motor Drivers (Rev. B) PDF | HTML 2021年 10月 14日
Application note Calculating Power Dissipation for a H-Bridge or Half Bridge Driver (Rev. A) PDF | HTML 2021年 7月 22日
Application note Intelligent Stepper Motor Driver (Rev. B) PDF | HTML 2021年 1月 20日
Application note Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) PDF | HTML 2021年 1月 19日
Application note PowerPAD™ Thermally Enhanced Package (Rev. H) 2018年 7月 6日
User guide DRV88xx EVM GUI (Rev. C) 2017年 4月 27日
More literature TM4C123x Stepper Motor Control Product Summary 2015年 7月 6日
Analog Design Journal Applying acceleration and deceleration profiles to bipolar stepper motors 2012年 7月 17日
Application brief PowerPAD™ Made Easy (Rev. B) 2004年 5月 12日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

DRV8825EVM — 用於 DRV8825 的評估模組

The DRV8825 evaluation module consists of a 2.5A, dual-H-bridge motor driver with on chip indexer (step/dir control interface) supporting up to 32 micro steps and a small number external components that can be used to drive a single bipolar stepper motor. The on-board MSP430 MCU + software/GUI (...)

使用指南: PDF
TI.com 無法提供
支援軟體

SLVC342 — DRV88xx Software

支援產品和硬體

支援產品和硬體

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步進馬達驅動器
DRV8802 — 具電流穩壓功能的 45-V、1.6-A 雙全橋馬達驅動器 DRV8812 — 具電流調節的 45-V、1.6-A 雙極步進或雙路全橋馬達驅動器 DRV8813 — 具電流調節的 45-V、2.5-A 雙極步進或雙路全橋馬達驅動器 DRV8824 — 具電流調節與 1/32 微步進的 45-V、1.6-A 雙極步進馬達驅動器 DRV8825 — 具電流調節與 1/32 微步進的 45-V、2.5-A 雙極步進馬達驅動器 DRV8841 — 具電流調節和 PWM 控制的 45-V、2.5-A 雙極步進或雙全橋馬達驅動器 DRV8843 — 具電流調節和 PWM 控制的 45-V、2.5-A 雙極步進或雙全橋馬達驅動器
硬體開發
開發板
DRV8802EVM — DRV8802 評估模組 DRV8812EVM — 用於 DRV8812 的評估模組 DRV8813EVM — 適用於 DRV8813 的評估模組 DRV8814EVM — DRV8814 評估模組 DRV8824EVM — DRV8824 評估模組 DRV8825EVM — 用於 DRV8825 的評估模組 DRV8840EVM — 適用於 DRV8840 的評估模組 DRV8841EVM — 用於 DRV8841 的評估模組 DRV8842EVM — 用於 DRV8842 的評估模組
下載
支援軟體

SLVC502 — Software: DRV8824EVM and DRV8825EVM

支援產品和硬體

支援產品和硬體

產品
步進馬達驅動器
DRV8824 — 具電流調節與 1/32 微步進的 45-V、1.6-A 雙極步進馬達驅動器 DRV8825 — 具電流調節與 1/32 微步進的 45-V、2.5-A 雙極步進馬達驅動器
硬體開發
開發板
DRV8824EVM — DRV8824 評估模組 DRV8825EVM — 用於 DRV8825 的評估模組
下載
配置圖

DRV88xx Hardware (Rev. A)

SLVC583A.ZIP (721 KB)
下載
配置圖

Hardtware: DRV8824EVM and DRV8825EVM

SLVC595.ZIP (411 KB)
下載
參考設計

TIDA-00293 — 使用 DLP® 技術的同級最佳組合式光固化成形法 3D 印表機開發

This DLP® 3D printer reference design employs our DLP 3D structured light software sevelopment kit (SDK) and enables you to build best-in-class resolution 3D objects. The highly-differentiated DLP technology uses stereo-lithography technique popular in high-accuracy and high-speed 3D printing. (...)
Test report: PDF
電路圖: PDF
參考設計

TIDM-PRINTERPACK — 適用於 3D 印表機控制的 40 針腳 Boosterpack

This design is a 40-pin boosterpack which incorporates all of the necessary components for 3D printer operation. Convenient location of all I/O headers and inclusion of firmware allows developers to immediately start creating their own cost-effective 3D printers.  Although the original (...)
Design guide: PDF
電路圖: PDF
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