AMIS-30532 - ON Semiconductor

AMIS-30532 Micro-Stepping Motor Driver

Name GND DI CLK NXT DIR ERR SLA / CPN CPP VCP CLR CS VBB MOTYP GND MOTYN MOTXN GND MOTXP VBB / POR/WD TST0 DO VDD Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15, 16 17, 18 19, 20 21, 22 23, 24 25, 26 27 30 28 29 31 32 Description Ground SPI Data In SPI Clock Input Next Micro−Step Input Direction Input Error Output (Open Drain) Speed Load Angle Output No Function.

Features

• Dual H−Bridge for 2−Phase Stepper Motors
• Programmable Peak−Current up to 1.6 A Continuous† (3.0 A Short Time) using a 5−bit Current DAC
• On−Chip Current Translator
• SPI Interface
• Speed and Load Angle Output
• Seven Step Modes from Full−Step Up to 32 Micro−Steps
• Fully Integrated Current−Sense
• PWM Current Control with Automatic Selection of Fast and Slow Decay
• Low EMC PWM with Selectable Voltage Slopes
• Active Fly−Back Diodes
• Full Output Protection and Diagnosis
• Thermal Warning and Shutdown
• Compatible with 5 V and 3.3 V Microcontrollers
• Integrated 5 V Regulator to Supply E.