Features
• Bipolar stepping motor can be controlled by a single driver IC
• Monolithic BiCD IC
• Low ON-resistance of Ron = 0.5 Ω (Tj = 25°C @1.0 A: typ.)
• Built-in decoder and 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: 1.8 A/phase max
• 2-phase, 1-2 (type 2) phase, W1-2 phase, 2W1-2 phase, 4W1-2 phase, or motor lock mode can be selected.
• Built-in Mixed Decay mode enables specification of four-stage attenuation ratio.
• Chopping frequency can be set by external resistors and capacitors.
High-speed chopping possible at 100 kHz or higher.作者: hs157 时间: 2012-2-17 23:12
很看好这个片子,淘宝价10元,这么好的芯片没人用吗?作者: lvsoft 时间: 2012-3-22 16:45