- 制造厂商:TI
- 产品类别:电机驱动器
- 技术类目:步进电机驱动器
- 功能描述:具有电流调节功能的 45V、1.6A 双极步进或双路 H 桥电机驱动器
- 点击这里打开及下载DRV8812的技术文档资料
- TI代理渠道,提供当日发货、严格的质量标准,满足您的目标价格
The DRV8812 provides an integrated motor driver solution for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers, and can drive a bipolar stepper motor or two DC motors. The output driver block for each consists of N-channel power MOSFET’s configured as full H-bridges to drive the motor windings. The DRV8812 is capable of driving up to 1.6-A of 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.
Internal shutdown functions are provided for over current protection, short circuit protection, under voltage lockout and overtemperature.
The DRV8812 is available in a 28-pin HTSSOP package with PowerPAD™ and in a 28-pin QFN package PowerPAD™ (Eco-friendly: RoHS & no Sb/Br).
- 8.2-V to 45-V Operating Supply Voltage Range
- 1.6-A Maximum Drive Current at 24 V and TA = 25°C
- Dual H-Bridge Current Control Motor Driver
- Drive a Bipolar Stepper or Two DC Motors
- Four Level Winding Current Control
- Multiple Decay Modes
- Mixed Decay
- Slow Decay
- Fast Decay
- Industry Standard Parallel Digital Control Interface
- Low Current Sleep Mode
- Built In 3.3-V Reference Output Small Package and Footprint
- Protection Features
- Overcurrent Protection (OCP)
- Thermal Shutdown (TSD)
- VM Undervoltage Lockout (UVLO)
- Fault Condition Indication Pin (nFAULT)
- APPLICATIONS
- Automatic Teller Machines
- Money Handling Machines
- Video Security Cameras
- Printers
- Scanners
- Office Automation Machines
- Gaming Machines
- Factory Automation
- Robotics
All other trademarks are the property of their respective owners
- Number of full bridges
- 2
- Vs (Min) (V)
- 8.2
- Vs ABS (Max) (V)
- 47
- Full-scale current (A)
- 1.6
- Peak output current (A)
- 1.8
- RDS(ON) (HS + LS) (mOhms)
- 1280
- Sleep current (uA)
- 10
- Control mode
- PH/EN
- Control interface
- Hardware (GPIO)
- Micro-stepping levels
- 4
- Features
- Current Regulation
- Rating
- Catalog
- Operating temperature range (C)
- -40 to 85
DRV8812的完整型号有:DRV8812PWP、DRV8812PWPR、DRV8812RHDR、DRV8812RHDT,以下是这些产品的关键参数及官网采购报价:
DRV8812PWP,工作温度:-40 to 85,封装:HTSSOP (PWP)-28,包装数量MPQ:50个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网DRV8812PWP的批量USD价格:2.112(1000+)
DRV8812PWPR,工作温度:-40 to 85,封装:HTSSOP (PWP)-28,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网DRV8812PWPR的批量USD价格:1.83(1000+)
DRV8812RHDR,工作温度:-40 to 85,封装:VQFN (RHD)-28,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网DRV8812RHDR的批量USD价格:1.76(1000+)
DRV8812RHDT,工作温度:-40 to 85,封装:VQFN (RHD)-28,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网DRV8812RHDT的批量USD价格:2.042(1000+)
DRV8812EVM — DRV8812 评估模块
DRV8812EVM 是双路桥接电机驱动器评估模块,它包含器件、布线和软件,可简化对用于驱动客户电机的器件的评估过程。
DRV88xx Software (Rev. E)
冰箱通常使用阻尼器来控制气流,并使用风扇来提供空气循环。多年来,冰箱使用的一直是分立式解决方案,而这款参考设计使用集成的电机驱动器来提供轻松控制、高性能和全面保护。其中,DRV8848 驱动步进电机阻尼器,DRV10983 驱动 BLDC 风扇,并实现 180° 无噪声换向。对基于 PWM 的电源使用 MSP430G2553 和 DRV8812 时,BLDC 还提供闭环速度控制功能。该设计采用一个单层 PCB,MCU 固件中提供了 BLDC 和步进控制示例代码,过流、过热和欠压保护机制都集成在 DRV 器件中。