DRV8426E
- 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
- ±5% Full-scale current accuracy
- 4.5-V to 33-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): 900 mΩ HS + LS at 24 V, 25°C
- High Current Capacity Per Bridge
- 2.5-A peak (brushed), 1.5-A Full-Scale (stepper)
Pin to pin compatible with -
-
DRV8424E/P: 33-V, 330 mΩ HS + LS
-
DRV8436E/P: 48-V, 900 mΩ HS + LS
-
DRV8434E/P: 48-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
- Inrush current limiting in brushed-DC applications
- Small package and footprint
- Protection features
- VM undervoltage lockout (UVLO)
- Charge pump undervoltage (CPUV)
- Overcurrent protection (OCP)
- Thermal shutdown (OTSD)
- Fault condition output (nFAULT)
The DRV8426E/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 (OTSD).
The DRV8426E/P is capable of driving a stepper motor with up to 1.5-A full scale or brushed motors with up to 2.5-A peak (dependent on PCB design).
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技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | DRV8426E/P Dual H-Bridge Motor Drivers With Integrated Current Sense and Smart Tune Technology datasheet (Rev. B) | PDF | HTML | 2021年 4月 15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 | |
| User guide | DRV84XX_89XX_8256X EVM GUI User's Guide (Rev. D) | 2020年 10月 30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
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DRV8426EEVM — DRV8426 PHASE/EN 控制介面步進馬達驅動器電路板
The DRV8426E evaluation module (EVM) allows easy evaluation of the DRV8426E device.
The DRV8426E devices are integrated motor-driver solutions for bipolar stepper motors or brushed DC motors. The device integrates two N-channel power MOSFET H-bridges, integrated current sense and regulation (...)
DRV8426PEVM — DRV8426P 馬達驅動器評估模組
The DRV8426P evaluation module (EVM) allows easy evaluation of the DRV8426P device.
The DRV8426P devices are integrated motor-driver solutions for bipolar stepper motors or brushed DC motors. The device integrates two N-channel power MOSFET H-bridges, integrated current sense and regulation (...)
| 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。