Motor Drivers, Stepper | NCV70516
概览
NCV70516 是一款用于双极步进电机的微步进电机驱动器。该芯片通过 I/O 引脚和 SPI 接口与外部微处理器进行联接。NCV70516 包含一个电流转换表，根据 NXT 输入引脚上的时钟信号以及 DIR（方向）寄存器或输入引脚的状态采用下一个微步进。如果检测到电子错误、欠电压或结温度升高，该芯片则会提供错误消息。它使用专属的 PWM 算法实现可靠的电流控制。 NCV70516 完全符合汽车电压要求，非常适合汽车、工业、医疗和海洋环境中的通用型步进电机应用。 由于其技术，此器件特别适合使用波动电池电源的应用。
- Small Positioning Applications
- Automotive (headlamp alignment, HVAC, idle control, cruise control)
- Industrial Equipment (lighting, fluid control, labeling, process control, XYZ tables, robots)
- Building Automation (HVAC, surveillance, satellite dish, renewable energy systems)
- Dual H−bridge for 2−phase Stepper Motors
- Programmable Peak−current up to 800 mA
- Low Temperature Boost Current up to 1100 mA
- On−chip Current Translator
- SPI Interface
- 5 Step Modes from Full−step up to 16 Micro−steps
- Fully Integrated Current−sensing and Current−regulation
- PWM Current Control with Automatic Selection of Fast and SlowDecay
- Fixed PWM Frequency
- Active Fly−back Diodes
- Full Output Protection and Diagnosis
- Thermal Warning and Shutdown
- Compatible with 3.3 V Microcontrollers, 5 V Tolerant Inputs, 5 VTolerant Open Drain Outputs
- Reset Function
- Overcurrent Protection
- These Devices are Pb−Free, Halogen Free/BFR Free and are RoHSCompliant
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NCV70516MW1AR2G
Active
Pb
A
H
P
QFNW-24
1
260
REEL
5000
Y
6
29
6
29
0.8
1.1
1/16
SPI
Fully Integrated
Open Coil
$1.5877
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