DRV8824
- 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
- 1.6-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)
- VMx Undervoltage Lockout (UVLO)
- Fault Condition Indication Pin (nFAULT)
The DRV8824 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 MOSFETs configured as full H-bridges to drive the motor windings. The DRV8824 is capable of driving up to 1.6 A of current from each output (with proper heatsinking, 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, undervoltage lockout, and over temperature. Fault conditions are indicated through the nFAULT pin.
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技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | DRV8824 Stepper Motor Controller IC datasheet (Rev. K) | PDF | HTML | 2014/10/22 | ||
| 應用說明 | Understanding Motor Driver Current Ratings (Rev. A) | PDF | HTML | 2024/7/5 | |||
| 應用說明 | Best Practices for Board Layout of Motor Drivers (Rev. B) | PDF | HTML | 2021/10/14 | |||
| 應用說明 | Calculating Power Dissipation for a H-Bridge or Half Bridge Driver (Rev. A) | PDF | HTML | 2021/7/22 | |||
| 應用說明 | Intelligent Stepper Motor Driver (Rev. B) | PDF | HTML | 2021/1/20 | |||
| 應用說明 | Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) | PDF | HTML | 2021/1/19 | |||
| 應用說明 | PowerPAD™ Thermally Enhanced Package (Rev. H) | 2018/7/6 | ||||
| 類比設計期刊 | Applying acceleration and deceleration profiles to bipolar stepper motors | 2012/7/17 | ||||
| Application brief | PowerPAD™ Made Easy (Rev. B) | 2004/5/12 |
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)。
DRV8824EVM — DRV8824 評估模組
The DRV8824EVM is a stepper motor controller evaluation module that includes device, cabling and software to ease the evaluation of the device when driving a customer's motor.
TIDA-00146 — 車用適應性前燈定位步進馬達
此 TIDA-00146 參考設計提供整合式馬達驅動器解決方案，旨在驅動車用適應性前燈定位應用中的雙極步進馬達。此設計具備關閉電池功能，最大運作供應電壓為 45V。此外，內部提供關機功能以實現過電流保護、短路保護、欠電壓鎖定與過熱保護。此設計整合了 DRV8824EVM 電路板來建立解決方案。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| HTSSOP (PWP) | 28 | Ultra Librarian |
| VQFN (RHD) | 28 | Ultra Librarian |
訂購與品質
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。