1-2-1 2-Phase Stepper Motor Unipolar Driver ICs SLA7022MU/SLA7029M/SMA7022MU/SMA7029M 2-Phase Excitation ■Absolute Maximum Ratings (Ta=25°C) Ratings Parameter Symbol SLA7022MU SLA7029M SMA7022MU SMA7029M Unit Motor Supply Voltage VCC 46 V FET Drain-Source Voltage VDSS 100 V Control Supply Voltage VS 46 V TTL Input Voltage VIN 7 V Reference Voltage VREF Output Current 2 IO 1 PD1 PD2 Power Dissipation V 1.5 1 4.5 (Without Heatsink) 35 (TC=25°C) 1.5 A 4.0 (Without Heatsink) 28 (TC=25°C) W W Channel Temperature Tch +150 °C Storage Temperature Tstg –40 to +150 °C ■Electrical Characteristics (Ta=25°C) Ratings Parameter Symbol SLA7022MU min. Control Supply Current Control Supply Voltage FET Drain-Source Voltage FET ON Voltage DC Characteristics FET Drain Leakage Current FET Diode Forward Voltage max. IS 10 15 Condition VS=44V VS 10 VDSS 100 24 TTL Input Voltage (Active High) 44 Switching Time 100 ICs 15 Condition 24 44 VIL VDSS=100V, VS=44V 1.1 ID=1A 40 40 VIH=2.4V, VS=44V –0.8 V mA V µA –0.8 VIL=0.4V, VS=44V ID=1A ID=1A 0.8 VDSS=100V V mA 2 0.8 0.8 VDSS=100V V VDSS=100V 2 0.8 4 VIH=2.4V, VS=44V mA V 0.6 VIL=0.4V, VS=44V VDSS=100V 44 ID=1A, VS=14V 2 2 24 VS=44V, IDSS=250µA ID=1A ID=1A VDSS=100V 10 100 –0.8 0.8 15 1.2 40 ID=1A 10 4 VIL=0.4V, VS=44V VDSS=100V 44 VDSS=100V, VS=44V 2 2 24 ID=1A, VS=14V VIH=2.4V, VS=44V VIL=0.4V, VS=44V max. 0.85 ID=1A –0.8 Unit typ. VS=44V 1.1 40 VIL 15 min. VS=44V, IDSS=250µA VDSS=100V, VS=44V VIH=2.4V, VS=44V Condition 10 4 ID=1A 2 max. 0.6 1.2 IIL 10 VS=44V, IDSS=250µA VDSS=100V, VS=44V Condition SMA7029M typ. 100 ID=1A, VS=14V VSD Condition min. VS=44V 4 Condition TTL Input Voltage (Active Low) 10 ID=1A, VS=14V IDSS VIH 10 0.85 Condition Condition max. 100 VDS VIH SMA7022MU typ. VS=44V IIH TTL Input Current min. VS=44V, IDSS=250µA Condition Condition AC Characteristics SLA7029M typ. 2 VDSS=100V 0.8 VDSS=100V 0.8 0.8 Condition ID=1A ID=1A ID=1A Tr 0.5 0.5 0.5 0.5 Condition VS=24V, ID=0.8A VS=24V, ID=1A VS=24V, ID=0.8A VS=24V, ID=1A V ID=1A Tstg 0.7 0.7 0.7 0.7 Condition VS=24V, ID=0.8A VS=24V, ID=1A VS=24V, ID=0.8A VS=24V, ID=1A Tf 0.1 0.1 0.1 0.1 Condition VS=24V, ID=0.8A VS=24V, ID=1A VS=24V, ID=0.8A VS=24V, ID=1A µs SLA7022MU/SLA7029M/SMA7022MU/SMA7029M ■Internal Block Diagram 8 INB 5 VS Reg 3 4 12 13 Excitation input signal Active H Active L OUT A OUT A OUT A OUT A OUT B OUT B OUT B OUT B 1pin 6pin 10pin 15pin RSB TDB GNDB 2 15 + – + – GNDA TDA 7 10 1, 6, 10, 15pin Description of pins + – REFA RSA + – 14 Reg REFB 1 INA 6 11 9 ■Typical Connection Diagram (Recommended component values) VCC (46V max) Excitation signal time chart 2-phase excitation + 11 1 H H INB L H H L L H 1-2 phase excitation 5 TdA TdB 14 INB INA clock RSA REFA REFB RSB 7 3 13 9 C3 Rs r5 GA 4 GB 12 0 2 3 4 5 6 7 0 1 2 3 INA H H H H L L L L H H H H tdA L L L H L L L H L L L H INB L L H H H H L L L L H H tdB L H L L L H L L L H L L ●tdA and tdB are signals before the inverter stage. C4 r6 1 INB C2 r2 Rs Open collector tdA 0 L 15 INA 2 3 L r1 r2 r3 r4 r5 r6 tdB : : : : : : 510Ω 100Ω (VR) 47kΩ 47kΩ 2.4kΩ 2.4kΩ C1 C2 C3 C4 Rs : : : : : (1~2W) 330 to 500pF 330 to 500pF 2200pF 2200pF 1.8Ω typ (7022MU) 1Ω typ (7029M) ■External Dimensions (ZIP15 with Fin [SLA15Pin] /ZIP15[SMA15Pin]) SLA7022MU/SLA7029M 4±0.7 14×P2.03 ±0.7=28.42 ±1.0 14×P2.03±0.4=28.42±0.8 2.2±0.4 6.3±0.6 7.5±0.6 6.7 ±0.5 1.45 ±0.15 (9.7) Lot No. Part No. 3 ±0.6 30° 8.5max 10.2±0.2 2.5 ±0.2 0.62±0.1 1.16±0.15 (3) +0.2 1.15 –0.1 +0.2 0.55 –0.1 4.6±0.6 3±0.6 +1 9.7 –0.5 +0.2 0.65 –0.1 (3) R-End +0.2 1.15 –0.1 +0.2 2.45±0.2 +0.2 0.65 –0.1 Epoxy resin package 4±0.2 31±0.2 1.6±0.6 Part No. Lot No. SMA7022MU/SMA7029MA Epoxy resin package 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 0.55 –0.1 31±0.2 24.4±0.2 16.4±0.2 φ 3.2 ±0.15 (Unit:mm) +0.2 0.65 –0.1 1.16 +0.2 –0.1 +0.2 0.55 –0.1 4 ±0.7 P2.03±0.1×14=28.42 1.2±0.1 (5.9) (7.5) (4.6) 10 r1 r4 C1 6 2 H +0.2 r3 1 1 H 1.6 ±0.6 8 VS 0 INA 0.55 –0.1 Vb (5V) clock P2.03±0.1×14=28.42 31.3 +0.2 31.3±0.2 1 2 3 . . . . . . . 15 12 3 . . . . . . . 15 Forming No. No.853 Product Mass : Approx.6g Forming No. No.855 123 . . . . . . . 12 3 . . . . . . . 15 15 Forming No. No.1054 Forming No. No.1055 Product Mass : Approx.4g ICs 101