Features
■ Two stepping motors driven by micro-step pseudo sine wave are controlled by a single driver IC
■ Monolithic Bi-CMOS IC
■ Low ON-resistance of Ron = 0.5 Ω (Tj = 25°C @ 1.0 A: typ.)
■ ESD protection Exceeds 2000 V, MIL-STD-883D
■ Two pairs of built-in 16-bit shift and latch registers
■ Two pairs of built-in 4-bit DA converters for micro steps
■ Built-in ISD, TSD, VDD&VM power monitor (reset) circuit for protection
■ Built-in charge pump circuit (two external capacitors)
■ 36-pin power flat package (HSOP36-P-450-0.65)
■ Output voltage: 40 V max
■ Output current: 1.5 A/phase max
■ Built-in Mixed Decay mode enables specification of four-stage attenuation ratio. (The attenuation ratio table can be overwritten externally.)
■ Chopping frequency can be set by external resistors and capacitors. High-speed chopping possible at 100 kHz or higher.