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SLA7033 Datasheet(PDF) 2 Page - Sanken electric |
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SLA7033 Datasheet(HTML) 2 Page - Sanken electric |
2 / 8 page 29 SLA7032M/SLA7033M SLA7032M/SLA7033M 2-Phase Stepper Motor Unipolar Driver IC (2-Phase/1-2 Phase Excitation) Rs Rs 9 6 5 17 16 7 2 13 818 Active Low 11 1 12 34 14 15 10 r1 r2 Vb (5V) Vcc (46Vmax) RsA GA GB RsB REFAREFB OUTA SLA7032M SLA7033M VsA VsB OUTA INA INA INB INB OUTB OUTB INA INA INB INB + SYNC A SYNC B Active Low sInternal Block Diagram sDiagram of Standard External Circuit (Recommended Circuit Constants) Active High + − 1, 8, 11, 18pin Description of pins 9 2 4 3 14 15 13 10 Chopping blanking timer (5 s typ) Synchronous chopping circuit Synchronous chopping circuit MOSFET gate drive circuit MOSFET gate drive circuit Oscillator Oscillator Reg. Reg. + − Excitation input Active H OUT A OUT A OUT B OUT B 1pin 8pin 11pin 18pin Active L OUT A OUT A OUT B OUT B 5 67 17 8 1 16 11 18 12 Chopping OFF timer (12 s typ) µ Chopping blanking timer (5 s typ) µ µ Chopping OFF timer (12 s typ) µ Rs Rs 9 6 5 17 16 7 2 13 818 Active High 11 1 12 34 14 15 10 r1 r2 Vb (5V) Vcc (46Vmax) RsA GA GB RsB REFAREFB OUTA SLA7032M SLA7033M VsA VsB OUTA INA INA INB INB OUTB OUTB INA INA INB INB + SYNC A SYNC B (1 to 2W) r1 :4k Ω r2 :1k Ω(VR) Rs :1 Ω typ(7032M) 0.68 Ω typ(7033M) r1 :4k Ω r2 :1k Ω(VR) Rs :1 Ω typ(7032M) 0.68 Ω typ(7033M) 1-2 phase excitation clock 0 1 2 3 4 5 6 7 0 1 2 3 INA H H LLL LL H H H L L INA LL L H H H LL LLL H INB LH H H LL L LLH H H INB LL LLL H H H LLL L Excitation signal time chart 2-phase excitation clock 0 1 2 3 0 1 INA HL L H H L INA L HHL L H INB HH L L H H INB LL H H L L Excitation signal time chart 2-phase excitation clock 0 1 2 3 0 1 INA L HHL L H INA HL L H H L INB LL H H L L INB HH L L H H 1-2 phase excitation clock 0 1 2 3 4 5 6 7 0 1 2 3 INA L L H HHHHL L L HH INA HHH L L L H HHH H L INB H L L L HHH HH L L L INB HHH HH L L L H H H H (1 to 2W) |
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Similar Description - SLA7033 |
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