SI-7321M Overview
4 Protection Functions 6 PWM Current Control 8 Electrical Specifications.
SI-7321M Key Features
- Power supply voltage, VBB , 46 V maximum, 10 to 44 V normal operating range
- Logic supply voltage, VDD , 3.3 to 5.5 V
- Maximum output current: 1.5 A
- Four NMOS output MOSFETs, RDS(on) = 0.25 Ω typical
- Built-in sequencer
- Simplified clock-in stepping control
- Full- and half-stepping and 1/4 , 1/8 , and 1/16 microstepping
- Surface mount type 44-pin molded package for automatic
- Self-excitation PWM current control with fixed off-time
- Microstepping off-time adjusted automatically by step