DRV8434E
- Dual H-bridge motor driver
- One bipolar stepper motor
- Dual bidirectional brushed-DC motors
-
Four unidirectional brushed-DC motors
- Integrated current sense functionality
- No sense resistors required
- ±4% Full-scale current accuracy
- 4.5-V to 48-V Operating supply voltage range
- Multiple control interface options
- PHASE/ENABLE (PH/EN)
- PWM (IN/IN)
- Smart tune, fast and mixed decay options
- Low RDS(ON): 330 mΩ HS + LS at 24 V, 25°C
- High Current Capacity Per Bridge: 4-A peak (brushed), 2.5-A Full-Scale (stepper)
- Inrush current limiting in brushed-DC applications
-
Pin to pin compatible with -
-
DRV8426E/P: 33-V, 900 mΩ HS + LS
-
DRV8436E/P: 48-V, 900 mΩ HS + LS
-
DRV8424E/P: 33-V, 330 mΩ HS + LS
-
- Configurable Off-Time PWM Chopping
- 7, 16, 24 or 32 µs
- Supports 1.8-V, 3.3-V, 5.0-V logic inputs
- Low-current sleep mode (2 µA)
- Spread spectrum clocking for low EMI
- Protection features
- VM undervoltage lockout (UVLO)
- Charge pump undervoltage (CPUV)
- Overcurrent protection (OCP)
- Thermal shutdown (OTSD)
- Fault condition output (nFAULT)
The DRV8434E/P devices are dual H-bridge motor drivers for a wide variety of industrial applications. The devices can be used for driving two DC motors, or a bipolar stepper motor.
The output stage of the driver consists of N-channel power MOSFETs configured as two full H-bridges, charge pump regulator, current sensing and regulation, and protection circuitry. The integrated current sensing uses an internal current mirror architecture, removing the need for a large power shunt resistor, saving board area and reducing system cost. A low-power sleep mode is provided to achieve ultra- low quiescent current draw by shutting down most of the internal circuitry. Internal protection features are provided for supply undervoltage lockout (UVLO), charge pump undervoltage (CPUV), output overcurrent (OCP), and device overtemperature (TSD).
The DRV8424E/P is capable of driving a stepper motor with up to 2.5-A full scale or brushed motors with up to 4-A peak (dependent on PCB design).
您可能會感興趣的類似產品
功能相同，但引腳輸出與所比較的裝置不同
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | DRV8434E/P Dual H-Bridge Motor Driver With Integrated Current Sense and Smart Tune Technology datasheet | PDF | HTML | 2019年 10月 31日 |
| Application brief | Advantages of Integrated Current Sensing (Rev. B) | PDF | HTML | 2022年 6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 | |
| Certificate | DRV8434EEVM EU RoHS Declaration of Conformity (DoC) | 2021年 1月 18日 | ||
| Application note | How to Reduce Audible Noise in Stepper Motors | PDF | HTML | 2020年 4月 21日 | |
| White paper | How smart tune regulates current in stepper motors (Rev. A) | 2019年 3月 19日 | ||
| Application brief | Smart Tuning for Efficient Stepper Driving | 2018年 11月 20日 | ||
| Application note | PowerPAD™ Thermally Enhanced Package (Rev. H) | 2018年 7月 6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)。
DRV8434EEVM — DRV8434 PHASE/EN 控制介面步進馬達驅動器電路板
DRV8434E 評估模組 (EVM) 可輕鬆評估 DRV8434E 裝置。
DRV8434E 裝置是雙極步進馬達或有刷 DC 馬達的整合式馬達驅動器解決方案。此裝置整合兩個 N 通道功率 MOSFET 全橋、整合式電流感測與穩壓電路。DRV8434E 裝置可透過 4.5 至 48 V 供應電壓供電。透過簡單的 PHASE/EN 控制介面，讓外部控制器可管理輸出。衰退模式可選擇為緩慢、混合衰退、智慧調諧漣波控制或智慧調諧動態衰退電流穩壓機制。
如需有關此評估模組的詳細資訊，請參閱 DRV84xxEVM 使用指南。
DRV8434PEVM — DRV8434 PWM 控制介面步進馬達驅動器電路板
DRV8434P 評估模組 (EVM) 可輕鬆評估 DRV8434P 裝置。
DRV8434P 裝置是雙極步進馬達或有刷 DC 馬達的整合式馬達驅動器解決方案。此裝置整合兩個 N 通道功率 MOSFET 全橋、整合式電流感測與穩壓電路。DRV8434P 裝置可透過 4.5 至 48 V 供應電壓供電。透過簡單的 PWM 控制介面，讓外部控制器可管理輸出。衰退模式可選擇為緩慢、混合衰退、智慧調諧漣波控制或智慧調諧動態衰退電流穩壓機制。
如需有關此評估模組的詳細資訊，請參閱 DRV84xxEVM 使用指南。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| HTSSOP (PWP) | 28 | Ultra Librarian |
| VQFN (RGE) | 24 | Ultra Librarian |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
- 晶圓廠位置
- 組裝地點
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。