SLA7031M

1-2-1 2-Phase Stepper Motor Unipolar Driver ICs SLA7031M/SLA7032M/SLA7033M 2-Phase/1-2 Phase Excitation ■Absolute Maximum Ratings Parameter (Ta=25°C) Ratings Symbol Control Supply Voltage FET Drain-Source Voltage Input Voltage Reference Voltage Sense Voltage Output Current Power Dissipation Channel Temperature Operating Ambient Temperature Storage Temperature Unit SLA7031M VCC VS VDSS VIN VSYNC VREF VRS IO PD1 PD2 Tch Ta Tstg Motor Supply Voltage SLA7032M SLA7033M 46 46 100 – 0.3 to +7 – 0.3 to +7 – 0.3 to +7 – 5 to +7 1.5 3 4.5(Without Heatsink) 35(Tc=25°C) +150 – 20 to+85 – 40 to +150 1 V V V V V V A W W °C °C °C ■Recommended Operating Conditions Parameter Motor Supply Voltage Control Supply Voltage REF Input Voltage Case Temperature Ratings Symbol min. VM VS VREF VREF(dis) TC Unit max. 44 44 1.0 5.5 100 10 0.1 4.0 V V V V °C Remarks The control current precision is degraded at 0.1V or lower. Output MOS FET OFF Temperature of 4(15)-Pin Lead(without heatsink) ■Electrical Characteristics Ratings Parameter Symbol SLA7031M min. Control Supply Current Control Supply Voltage FET Drain-Source Voltage FET ON Voltage FET Diode Forward Voltage FET Drain Leakage Current typ. max. IS 10 15 Condition VS=44V VS 10 VDSS 100 Condition DC characteristics VIH (Active Low) VIL Input Current Internal Resistance AC characteristics Sense Voltage Switching Time Chopping OFF Time 96 ICs VDSS=100V 0.8 0.8 ID=1A ±1 VS=44V, VI=0 or 5V VS=44V, VI=0 or 5V 4.0 Synchronous chopping mode Synchronous chopping mode 0.8 0.8 0.8 Asynchronous chopping mode Asynchronous chopping mode Asynchronous chopping mode 0.1 0.1 –0.1 2.0 4.0 VS=44V, VSYNC=5V –0.1 –0.1 VS=44V, VSYNC=0V 0 Reference Voltage input Output FET OFF 2.0 4.0 0 V mA 2.0 Reference Voltage input 5.5 Output FET OFF ±1 No synchronous trigger µA VS=44V, VSYNC=0V Reference Voltage input 5.5 V 0.1 VS=44V, VSYNC=5V 0 V 4.0 Synchronous chopping mode VS=44V, VSYNC=0V µA ID=3A ±1 VS=44V, VSYNC=5V V 2.0 ±1 IREF Condition 0.8 VDSS=100V VS=44V, VI=0 or 5V V VDSS=100V 0.8 Condition Condition REF Terminal ID=3A VDSS=100V ID=1A V 2.0 2.0 ISYNC VREF 250 VDSS=100V, VS=44V 0.8 VDSS=100V Condition VREF 2.3 ISD=3A ID=1A VDSS=100V mA V ID=3A, VS=14V 0.8 Condition Input Current 44 0.85 250 ID=1A ISYNC Input Current 24 VS=44V, IDSS=250µA 2.0 VSYNC Condition SYNC Terminal 10 VDSS=100V, VS=44V 4.0 15 100 250 2.0 10 1.1 VDSS=100V, VS=44V Condition VSYNC 44 ISD=1A II Condition 24 ID=1A, VS=14V 2.0 max. VS=44V 1.2 Condition Input Voltage 15 Unit typ. 0.6 ISD=1A Condition Condition 10 min. VS=44V, IDSS=250µA IDSS Input Voltage 10 ID=1A, VS=10V Condition VIL max. 100 VSD Condition SLA7033M typ. 0.85 Condition (Active High) Input Current 44 VS=44V, IDSS=250µA Condition Input Voltage min. VS=44V 24 VDS VIH IN Terminal SLA7032M 4.0 5.5 V Output FET OFF ±1 No synchronous trigger ±1 No synchronous trigger RREF 40 40 40 Condition Resistance between GND and REF terminal at synchronous trigger Resistance between GND and REF terminal at synchronous trigger Resistance between GND and REF terminal at synchronous trigger VRS VREF VREF VREF Tr 0.5 0.5 0.5 Tstg 0.7 0.7 0.7 Tf 0.1 0.1 0.1 Condition VS=24V, ID=0.8A VS=24V, ID=1A VS=24V, ID=1A TOFF 12 12 12 Condition VS=24V VS=24V VS=24V µA Ω V µs µs SLA7031M/SLA7032M/SLA7033M 12 Reg. MOSFET gate drive circuit Chopping OFF timer (12 µ s typ) 18 Chopping noise blanking timer (5 µs typ) + + – – Oscillator MOSFET gate drive circuit Chopping OFF timer (12 µ s typ) 1pin 8pin 11pin 18pin 14 15 13 Excitation input signal Active H Active L OUT A OUT A OUT A OUT A OUT B OUT B OUT B OUT B Rs B GB REF B 3 REF A GA 4 SYNC B Synchronous chopping circuit SYNC A Rs A 2 11 1,8,11,18pin Description of pins Synchronous chopping circuit 9 16 Reg. Chopping noise blanking timer (5 µs typ) Oscillator 17 IN B 7 Vs B 5 Vs A 6 IN A 8 IN A 1 IN B ■Internal Block Diagram 10 ■Typical Connection Diagram (Recommended component values) Active High Vcc (46Vmax) Excitation signal time chart 2-phase excitation + 7 12 VsA 2 Vb (5V) 8 VsB 1 18 11 OUTA OUTA OUTB OUTB SYNC A 13 SLA7031M SLA7032M SLA7033M SYNC B RsA r1 REFA REFB RsB 3 9 14 GA 10 INA INA 5 INA INB 17 INB INB 16 INB Active High GB 4 Rs INA 6 1-2 phase excitation clock 0 1 2 3 0 1 clock 0 1 2 3 4 5 6 7 0 1 2 IN A H L L H H L INA H H L L L L L H H H L L IN A L H H L L H INA L L L H H H L L L L L H IN B H H L L H H INB L H H H L L L L L H H H IN B L L H H L L INB L L L L L H H H L L L L 15 3 r1 : 4kΩ r2 : 1kΩ (VR) R s : 1Ω typ (7031M/7032M) (1 to 2W) 0.68Ω typ (7033M) Rs r2 Active Low Excitation signal time chart 2-phase excitation Vcc (46Vmax) + 7 VsA 2 Vb (5V) 13 12 8 VsB 1 18 11 OUTA OUTA OUTB OUTB SYNC A SLA7031M SLA7032M SLA7033M SYNC B RsA r1 9 Rs REFA REFB RsB 3 14 GA 10 4 INA 6 INA INA 5 INA INB 17 INB INB 16 INB GB 15 Rs r2 Active Low 1-2 phase excitation clock 0 1 2 3 0 1 clock 0 1 2 3 4 5 6 7 0 1 2 3 IN A L H H L L H INA L L H H H H H L L L H H IN A H L L H H L INA H H H L L L H H H H H L IN B L L H H L L INB H L L L H H H H H L L L IN B H H L L H H INB H H H H H L L L H H H H r1 : 4kΩ r2 : 1kΩ (VR) R s : 1Ω typ (7031M/7032M) (1 to 2W) 0.68Ω typ (7033M) ■External Dimensions (ZIP18 with Fin [SLA18Pin]) 4±0.7 17×P1.68±0.4=28.56±1 +0.2 +0.2 0.65 –0.1 1 –0.1 2.2±0.6 6±0.6 7.5±0.6 +0.2 0.55 –0.1 +0.2 +0.2 1 –0.1 4.6 ±0.6 1.6 ±0.6 +1 (3) R-End +0.2 0.65 –0.1 3 ±0.6 2.45±0.2 0.55 –0.1 Part No. Lot No. 4.8 ±0.2 1.7±0.1 6.7±0.5 9.9 ±0.2 16 ±0.2 13 ±0.2 φ 3.2±0.15×3.8 9.7 –0.5 31±0.2 24.4±0.2 16.4±0.2 φ 3.2±0.15 (Unit : mm) 17×P1.68±0.4=28.56±1 31.3±0.2 1 2 3 . . . . . . . 18 Forming No. No.871 123 . . . . . . . 18 Forming No. No.872 Product Mass : Approx.6g ICs 97