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L8229 Datasheet(PDF) 20 Page - STMicroelectronics |
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L8229 Datasheet(HTML) 20 Page - STMicroelectronics |
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20 / 42 page  Obsolete Product(s) - Obsolete Product(s) L6219_8 mode L8229 20/42 Figure 6. L6219_8 mode Stepping Driving Figure 7. L6219_8 mode Fast and Slow Decay current paths STB I01 I11 I12 PHASE1 PHASE2 Bridge1 Bridge2 RC Toff VREFDEC VS HA HB VS LA LB Ton Current Toff Fast Decay Current Toff Slow Decay Current T1 T4 T5 T2 T3 L6219_8 Mode T1, T3 and T5 are dead times to ensure no cross conduction Slow Decay Fast Decay OUTA OUTB Vcc 0.33Vcc Toff= 1.1RC inclusive of Tdeadtime T1 and T3 0.94Vcc SLOW DECAY MIXED DECAY FAST DECAY RC Toff VREFDEC VS HA HB VS LA LB Ton Current Toff Fast Decay Current Toff Slow Decay Current T1 T4 T5 T2 T3 L6219_8 Mode T1, T3 and T5 are dead times to ensure no cross conduction Slow Decay Fast Decay OUTA OUTB Vcc 0.33Vcc Toff= 1.1RC inclusive of Tdeadtime T1 and T3 0.94Vcc SLOW DECAY MIXED DECAY FAST DECAY |
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