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Motor Drivers, Stepper | NCV70628
概览
NCV70628 是一个带有位置控制器和控制/诊断接口的单芯片微步进电机驱动器。它可用于构建专门的机电一体化方案，与 LIN 主节点远程联接。 芯片通过总线接收定位指令，然后将电机线圈驱动至所需位置。片上位置控制器可针对不同电机类型、定位范围以及速度、加速和降速参数进行配置（OTP 或 RAM）。NCV70628 充当 LIN 总线上的从节点，主节点能够从每个从节点获取实际位置、错误标记等具体状态信息。集成的无传感器失速检测能够在电机从运行进入失速状态时将其停止。这就在参考运行期间实现了无噪音但准确的位置校准以及接近机械端部止动装置时的半闭环运行。芯片采用 I3T50 技术，可以在同一个芯片上同时实现高压模拟电路和数字功能。NCV70628 完全符合汽车电压要求。由于采用这一技术，此器件特别适合使用波动电池电源的应用。
- Automotive
- Surveillance
- Building automation
- Distribution
- Machine tools
- Experiment automation, pipette control
- Entertainment
- HVAC and headlamp leveling and bending actuators
- Camera positioning
- HVAC, air-duct valves, radiator water-flow valves, green-house thermal management, venetian blinds
- Robots, inspection tools, assembly, testing tools, dispensers, valves, pumps, feeders, printers
- Vending machines, sorting machines, warehouse automation
- Micro-dosing pumps
- Slot machines, event lighting, television satellite dish, toys, android robot
- Low temperature boost current up to 1100 mA
- Programmable current stabilization phase
- Enhanced Under Voltage Management
- Sensorless step-loss detection
- Automatic selection of fast and slow decay mode
- No external flyback diodes required
- Configurable speeds and acceleration
- Field programmable node addresses
- Dynamically allocated identifiers
- Both physical and data-link layers (conform to LIN rev. 2.2)
- LIN bus short circuit protection to supply and ground
- High temp warning and management
- Lost LIN safe operation
- Micro-stepping technology
- Peak current up to 800 mA
- Fixed frequency PWM current control
- Automatic selection of fast and slow decay mode
- No external flyback diodes required
- Compliant with 14 V automotive systems and industrial systems up to 24 V
- Motion qualification mode
- This is a Pb-free device
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NCV70628MW001R2G
Active
Pb
A
H
P
QFNW-32
1
260
REEL
5000
Y
5.5
29
5.5
29
0.8
1.1
1/16
LIN
Fully Integrated
UVLO
$2.7628
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