Description
Table 2: Pin List and Description Name Pin Description DO 31 SPI data output VDD 32 Logic supply output (needs external decoupling capacitor) GND 1 Ground, heat sink DI 2 SPI data in www.DataSheet4U.com CLK 3 SPI clock input NXT 4 Next micro-step input DIR 5 Direction input ERRB 6 Error output SLA 7
Features
- Dual H-Bridge for 2-phase stepper motors.
- Programmable peak-current up to 1.6A 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.
AMIS-30522 Datasheet
