DRV8821
- Dual PWM Microstepping Motor Driver
- Built-In Microstepping Indexers
- Up to 1.5-A Current Per Winding
- Three-Bit Winding Current Control
Allows up to Eight Current Levels - Low MOSFET On-Resistance
- Selectable Slow or Mixed Decay Modes
- 8-V to 32-V Operating Supply Voltage Range
- Internal Charge Pump for Gate Drive
- Built-in 3.3-V Reference
- Simple Step/Direction Interface
- Fully Protected Against Undervoltage,
Overtemperature, and Overcurrent - Thermally-Enhanced Surface Mount Package
The DRV8821 provides a dual microstepping-capable stepper motor controller/driver solution for printers, scanners, and other office automation equipment applications.
Two independent stepper motor driver circuits include four H-bridge drivers and microstepping-capable indexer logic. Each of the motor driver blocks employ N-channel power MOSFETs configured as an H-bridge to drive the motor windings.
A simple step/direction interface allows easy interfacing to controller circuits. Pins allow configuration of the motor in full-step, half-step, quarter-step, or eighth step modes, and the selection of slow or mixed decay modes.
Internal shutdown functions are provided for over current protection, short-circuit protection, undervoltage lockout, and overtemperature.
The DRV8821 is packaged in a 48-pin HTSSOP package (Eco-friendly : RoHS & no Sb/Br).
관심 가지실만한 유사 제품
다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능
기술 자료
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | DRV8821 Dual Stepper Motor Controller and Driver datasheet (Rev. J) | PDF | HTML | 2016/01/06 |
| Application note | Understanding Motor Driver Current Ratings (Rev. A) | PDF | HTML | 2024/07/05 | |
| Application note | Best Practices for Board Layout of Motor Drivers (Rev. B) | PDF | HTML | 2021/10/14 | |
| Application note | Calculating Power Dissipation for a H-Bridge or Half Bridge Driver (Rev. A) | PDF | HTML | 2021/07/22 | |
| Application note | Current Recirculation and Decay Modes (Rev. A) | PDF | HTML | 2021/04/20 | |
| Application note | Intelligent Stepper Motor Driver (Rev. B) | PDF | HTML | 2021/01/20 | |
| Application note | Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) | PDF | HTML | 2021/01/19 | |
| Application note | PowerPAD™ Thermally Enhanced Package (Rev. H) | 2018/07/06 | ||
| User guide | DRV8821-23 EVM GUI (Rev. A) | 2017/04/26 | ||
| More literature | TM4C123x Stepper Motor Control Product Summary | 2015/07/06 | ||
| Application brief | PowerPAD™ Made Easy (Rev. B) | 2004/05/12 |
설계 및 개발
추가 조건 또는 필수 리소스는 사용 가능한 경우 아래 제목을 클릭하여 세부 정보 페이지를 확인하세요.
DRV8821EVM — DRV8821 평가 모듈
The DRV8821 is a dual stepper motor controller evaluation module includes device, cabling and software to ease the evaluation of the device when driving a customer's motor.
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| HTSSOP (DCA) | 48 | Ultra Librarian |
주문 및 품질
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
- 팹 위치
- 조립 위치
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.