ST公司的L6480采用模拟混合信号技术,集成了两路全桥N-MOSFET栅极驱动器,并嵌入了没有损耗的过流保护,工作电压7.5 V - 85 V,多达128微步距,非常适合两相双极微步进马达驱动.
L6480主要特性:
Operating voltage: 7.5 V - 85 V
Dual full bridge gate driver for N-channelMOSFETs
Fully programmable gate driving
Embedded Miller clamp function
Programmable speed profile
Up to 1/128 microstepping
Sensorless stall detection
Integrated voltage regulators
SPI interface
Low quiescent standby currents
Programmable non dissipative overcurrentprotection
Overtemperature protection
