DRV8840
- Single H-Bridge Current-Control Motor Driver
- 8.2-V to 45-V Operating Supply Voltage Range
- Five Bit Current Control Allows up to 32 Current Levels
- Low MOSFET R DS(on) Typical 0.4 Ω (HS + LS)
- 5-A Maximum Drive Current at 24 V, T A = 25°C
- Built-In 3.3-V Reference Output
- Parallel Digital Control Interface
- Thermal Enhanced Surface Mount Package
- Protection Features:
- Overcurrent Protection (OCP)
- Thermal Shutdown (TSD)
- VM Undervoltage Lockout (UVLO)
- Fault Condition Indication Pin (nFAULT)
The DRV8840 provides an integrated motor driver solution for printers, scanners, and other automated equipment applications. The device has one H-bridge driver, and is intended to drive one DC motor. The output driver block for each consists of N-channel power MOSFETs configured as full H-bridges to drive the motor windings. The DRV8840 can supply up to 5-A peak or 3.5-A output current (with proper heatsinking at 24 V and 25°C).
A simple parallel digital control interface is compatible with industry-standard devices. Decay mode is programmable to allow braking or coasting of the motor when disabled.
Internal shutdown functions are provided for overcurrent protection, short-circuit protection, undervoltage lockout, and overtemperature.
The DRV8840 is available in a 28-pin HTSSOP package with PowerPAD™ (Eco-friendly: RoHS & no Sb/Br).
기술 자료
| 상위 문서 | 유형 | 직함 | 형식 옵션 | 최신 영어 버전 다운로드 | 날짜 |
|---|---|---|---|---|---|
| * | 데이터 시트 | DRV8840 DC Motor Driver IC datasheet (Rev. E) | PDF | HTML | 2023. 3. 23 | |
| 애플리케이션 노트 | Understanding Motor Driver Current Ratings (Rev. A) | PDF | HTML | 2024. 7. 5 | ||
| 애플리케이션 노트 | Best Practices for Board Layout of Motor Drivers (Rev. B) | PDF | HTML | 2021. 10. 14 | ||
| 애플리케이션 노트 | Calculating Power Dissipation for a H-Bridge or Half Bridge Driver (Rev. A) | PDF | HTML | 2021. 7. 22 | ||
| 애플리케이션 노트 | Methods to Configure Current Regulation for Brushed and Stepper Motors (Rev. B) | PDF | HTML | 2021. 1. 19 | ||
| 애플리케이션 노트 | PowerPAD™ Thermally Enhanced Package (Rev. H) | 2018. 7. 6 | |||
| 기술 문서 | Motor Drive Forum Top FAQs: Understanding current ratings | PDF | HTML | 2015. 7. 23 | ||
| 기술 문서 | Motor Drive forum Top FAQs Part 2: How to estimate motor regeneration and VM pumpi | PDF | HTML | 2015. 7. 13 | ||
| 사용 설명서 | CPG005_DRV88xx Evaluation Modules | 2011. 4. 27 | |||
| Application brief | PowerPAD™ Made Easy (Rev. B) | 2004. 5. 12 |
설계 및 개발
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DRV8840EVM — DRV8840용 평가 모듈
The DRV8840 evaluation module consists of a 5.0A, single-H-bridge motor driver with a Phase/Enable control interface and a small number external components that can be used to drive a single brushed DC motor. The on-board MSP430 MCU + software/GUI provides signaling and control and supports PWM (...)
SLVC362 — Software: CPG005 - DRV88xx EVM
| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| HTSSOP (PWP) | 28 | Ultra Librarian |
주문 및 품질
권장 제품에는 본 TI 제품과 관련된 매개 변수, 평가 모듈 또는 레퍼런스 디자인이 있을 수 있습니다.