1-2-1 2-Phase Stepper Motor Unipolar Driver ICs PG001M Serial Signal Generator ICs for SLA7042M and SLA7044M ■Absolute Maximum Ratings Parameter (Ta=25°C) Symbol Supply Voltage Input Voltage Ratings Unit VDD –0.5 to 7 V VI –0.5 to VDD+0.5 V mA II ±10 Output Voltage VO –0.5 to VDD+0.5 V Output Current IO ±15 mA Input Current Power Dissipation PD 200 mW Operating Temperature TOP –20 to +85 °C Storage Temperature Tstg –40 to +150 °C ■Electrical Characteristics DC characteristics Parameter Symbol Conditions Supply Voltage VDD Supply Current IDD VDD=5.5V Output Voltage VOH VOL VDD=5V, IO=±3mA II VDD=5V, VI=0 or 5V Input Current VIH Input Voltage VIL min. max. 5.5 V 0.35 0.45 mA 4.5 4.5 VDD=5V 5 VDD=5V 1 VDD=5V 5 TCC Output Voltage Rise and Fall Time Tr CLOCK IN Terminal Input Clock Time µA 1.5 CI F V ±1 3.5 VH TCS 0.4 –0.3 Input Capacity Propagation Delay Time Unit typ. Input Hysteresis Voltage Internal Oscillation Frequency AC characteristics (Ta=25°C) Ratings V V 10 pF 1.5 VDD=5V See Fig.1. MHz 50 100 430 550 ns Tf VDD=5V, CL=15pF See Fig.2. VCIH H level time, VDD=5V 4.5 VCIL L level time, VDD=5V 0.5 R From/To CLOCK_IN ↑ See Fig.3. 100 ns From/To CLOCK_IN ↑ See Fig.3. 100 ns Reset Setting Time (A) ts Stabilization Time After Reset Input (B) tps R Signal Setting Time (C) ts Stabilization Time After Signal Input (D) tps S S 20 Fig.2 Fig. 1 ns 20 µs Fig. 3 Timing conditions Excitation changeover point 90% CLOCK_IN CLOCK_OUT DATA STROBE CLOCK_OUT CLOCK_IN B A DATA RESET 10% STROBE Tr TCC 1/F 1/F MO Tf TCS D MS1 MS2 C CW/CCW VC C D C D C D VC changeover occurs only while CLOCK-IN level is L. ■Typical Connection Diagram 5V 16 1 2 MPU 3 6 7 15 9 VDD RESET CLOCK _OUT CLOCK_IN CW/CCW MS1 MS2 P G 0 0 1 M 14 CLOCK_A CLOCK_B STROBE 13 STROBE_A STROBE_B DATA_A VC DATA_B 11 10 DATA_A DATA_B MO NC 12 GND CP1 CP2 8 5 4 NC NC Rs NC 124 ICs Rs SLA7042M SLA7044M PG001M ■Internal Block Diagram ■Input and Output Function Correlation Table Input VDD 16 Mode ··· Input CLOCK _IN ··· Output MS1 MS1 6 (A) Excitation mode setting section 7 RESET L H L H H H H H × L × L CLOCK STROBE _OUT MO CCW 2h a VC 15 MO (B) Parallel signal generator 9 14 CLOCK_OUT (C) Parallel-serial signal converter b c CLOCK_IN 2 CW/CCW 3 RESET 1 Input Excitation method 5 CP1 4 CP2 2-2 Phase Full Step 12 NC Connect all unused input pins to H or L level (Except for CP1,CP2 and NC pins) ■Output Mode Vs Output Pulse OUT excitation OUT excitation Phase a b c Phase CLOCK _OUT 0 STROBE 0 STROBE 0 1 Output mode 2 3 4 5 6 7 0 0 1 0 2 0 0 0 0 0 0 Output mode 0 3 4 5 6 a b 1-2 Phase Half Step W1-2 Phase 1/4 Step 2W1-2 Phase 1/8 Step Excitation method Output pulse 0 CCW 0 1 2 3 4 5 6 7 Torque vector 0% 20% 40% 55.5% 71.4% 83% 91% 100% H L L − − − − − − L L L − − − − − − − × H L − − − − − × L H − − − × H H 141% − 100% 100% 100% 100% ■Output Mode Sequence Output pulse CLOCK _OUT CCW Output current mode of SLA7042M/7044M Excitation mode selection VC MS1 MS2 8 GND CW ■Excitation Selection Table (E) Oscillator (D) Up/Down counter CW × : Immaterial * : MO outputs L level while CLOCK_IN is H level when output mode is 4:4 (7:7), 4:4 (7:7), 4:4 (7:7), or 4:4 (7:7). Modes in brackets ( ) are for 2-2 phase VC:H. 10 DATA_B Phase Q3 Q4 DATA -B Output Mode Input Mode 4 or 7 4 or 7 Output Output Mode Mode RESET 11 DATA_A 13 STROBE Q1 Q2 DATA -A CW (Numbers indicate pin numbers.) SET Output CW /CCW c CW/CCW 2-2 Phase Full Step (1) (VC:H) 0 2-2 Phase Full Step (2) (VC:L) 0 0 CW CCW CW CCW CW 1-2 Phase Half Step 0 CCW 0 CW W1-2 Phase 1/4 Step 0 CCW 0 2W1-2 Phase 1/8 Step 7 CW CCW CLOCK RESET 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 MO L H H H H H H H L H H H H H H H L H H H H H H H L H H H H H H H L DATA_A 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 DATA_B 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 DATA_A 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 DATA_B 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 = = = = = = = 7 DATA_A 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 DATA_B 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 DATA_A 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 DATA_B 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 = = = = = = = 4 DATA_A 4 = = = 0 = = = 4 = = = 7 = = = 4 = = = 0 = = = 4 = = = 7 = = = 4 DATA_B 4 = = = 7 = = = 4 = = = 0 = = = 4 = = = 7 = = = 4 = = = 0 = = = 4 DATA_A 4 = = = 7 = = = 4 = = = 0 = = = 4 = = = 7 = = = 4 = = = 0 = = = 4 DATA_B 4 = = = 0 = = = 4 = = = 7 = = = 4 = = = 0 = = = 4 = = = 7 = = = 4 DATA_A 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 DATA_B 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 DATA_A 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 DATA_B 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 = 2 = 0 = 2 = 4 = 6 = 7 = 6 = 4 DATA_A 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 DATA_B 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 DATA_A 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 DATA_B 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 7 7 6 5 4 = : No output ■External Dimensions (DIP16) (Unit : mm) 19.2 20.0max 9 6.3 6.65max 16 Lot No. Part No. 1.3 8 7.62 2.54±0.25 2.54min 5.08max 0.89 0.51min 1 +0.11 0.25 −0.05 0.48±0.10 0 to 15°C Product Mass : Approx.1g ICs 125