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SLA7076MR 데이터시트(PDF) 3 Page - Allegro MicroSystems |
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SLA7076MR 데이터시트(HTML) 3 Page - Allegro MicroSystems |
3 / 13 page SLA7075M, SLA7076M, SLA7077M, and SLA7078M Motor Driver ICs 3 www.allegromicro.com FUNCTIONAL BLOCK DIAGRAM AND PIN ASSIGNMENTS Sequencer & Sleep Circuit Synchro Control PWM Control OSC Comp + - DAC Pre- Driver PWM Control OSC DAC Pre- Driver Comp + - MIC Reg. SenseB SenseA Gnd Sync RSInt RSInt 1234 5 6789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Protect Protect For R products, protection circuits not built-in. FLAG pin is not connected internally. Pin No. Symbol Functions Pin No. Symbol Functions 1 OutA Output of phase A 13 Ref / Sleep1 Input for control current and Sleep1 setting 2 14 VDD Power supply to logic 3 OutA Output of phase A ¯ 15 Reset Reset for internal logic 4 16 F / R Forward / reverse switch input 5 SenseA Phase A current sensing 17 Sync Synchronous PWM control switch input 6Mo Output from monitor of 2-phase excitation status 18 Flag* Output from protection circuits monitor 7M1 Commutation and Sleep2 setting 19 SenseB Phase B current sensing 8M2 20 OutB Output of phase B ¯ 9M3 21 10 Clock Step clock input 22 OutB Output of phase B 11 VBB Main power supply (for motor) 23 12 GND Ground *Flag pin active on PR products only; not internally connected for R products. |
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