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1-2-1 2-Phase Stepper Motor Unipolar Driver ICs
PG001M Serial Signal Generator ICs for SLA7042M and SLA7044M
Absolute Maximum Ratings
Parameter Supply Voltage Input Voltage Input Current Output Voltage Output Current Power Dissipation Operating Temperature Storage Temperature Symbol VDD VI II VO IO PD TOP Tstg Ratings -0.5 to 7 -0.5 to VDD+0.5 10 -0.5 to VDD+0.5 15 200 -20 to +85 -40 to +150 Unit V V mA V mA mW C C (Ta=25C)
Electrical Characteristics
Parameter Supply Voltage Symbol VDD IDD VOH VOL II VIH VIL VH CI F TCS TCC Tr Tf VCIH VCIL
tsR tpsR tsS tpsS
(Ta=25C) Conditions Ratings min. 4.5 VDD=5.5V VDD=5V, IO=3mA VDD=5V, VI=0 or 5V VDD=5V VDD=5V VDD=5V VDD=5V See Fig.1. VDD=5V, CL=15pF See Fig.2. H level time, VDD=5V L level time, VDD=5V From/To CLOCK_IN See Fig.3. From/To CLOCK_IN See Fig.3. 4.5 0.5 100 100 3.5 -0.3 1 5 1.5 50 430 20 20 100 550 10 4.5 0.4 1 5 1.5 0.35 typ. max. 5.5 0.45 Unit V mA V
DC characteristics
Supply Current Output Voltage Input Current Input Voltage Input Hysteresis Voltage Input Capacity Internal Oscillation Frequency Propagation Delay Time
A
V V pF MHz ns ns
AC characteristics
Output Voltage Rise and Fall Time CLOCK IN Terminal Input Clock Time Reset Setting Time (A) Stabilization Time After Reset Input (B) Signal Setting Time (C) Stabilization Time After Signal Input (D)
s
ns ns
Fig. 1
Fig.2
90% CLOCK_OUT DATA STROBE 10%
Fig. 3 Timing conditions
Excitation changeover point
CLOCK_IN CLOCK_OUT DATA STROBE TCC 1/F 1/F TCS
CLOCK_IN A RESET
B
Tr
Tf
MO MS1 MS2 CW/CCW C D
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_IN CW/CCW MS1 MS2 VC DATA_B MO NC GND CP1 CP2 CLOCK _OUT
14
CLOCK_A CLOCK_B
P G 0 0 1 M
STROBE
13
STROBE_A STROBE_B
SLA7042M SLA7044M
DATA_A
11 10
DATA_A DATA_B
12
8
5
4 Rs Rs
NC
NC
NC
124
ICs
PG001M
Internal Block Diagram
VDD 16 *** Input *** Output MS1 MS1 6 7 (A) Excitation mode setting section SET (Numbers indicate pin numbers.)
Input and Output Function Correlation Table
Input Mode CLOCK _IN CW /CCW L CW L H CCW H H CCW H H L L Output Mode Input Mode 4 or 7 4 or 7 Output Output Mode Mode x
14 CLOCK_OUT (C) Parallel-serial signal converter 11 DATA_A 10 DATA_B 13 STROBE
Output RESET H CW CW MO CLOCK STROBE _OUT DATA -A DATA -B
CCW
2h a (B) Parallel signal generator b c
VC 15 MO 9
RESET x
x : 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.
Q1 Q2
Q3 Q4
Phase
Excitation Selection Table
Input Output current mode of SLA7042M/7044M 0 1 2 3 4 5 6 7 Torque vector 0% 20% 40% 55.5% 71.4% 83% 91% 100% - - - - - - - - - - - - - - - - - - - - - - 141% 100% 100% 100% 100% Excitation method Excitation mode selection VC MS1 MS2
CLOCK_IN CW/CCW RESET
2 3 1 (D) Up/Down counter
(E) Oscillator
8 GND
5 CP1
4 CP2
12 NC
2-2 Phase Full Step 1-2 Phase Half Step W1-2 Phase 1/4 Step 2W1-2 Phase 1/8 Step
H L x x x
L L H L H
L L L H H
Connect all unused input pins to H or L level (Except for CP1,CP2 and NC pins)
Output Mode Vs Output Pulse
Output pulse OUT excitation
Phase CLOCK _OUT STROBE 0 0 a b c CLOCK _OUT STROBE 0 0
Output Mode Sequence
Excitation method CW/CCW CLOCK MO CW DATA_A DATA_B CCW DATA_A DATA_B
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 HHHHHHH LHHHHHHHLHHHHHHHLHHHHHHHL =======7=======7=======7=======7 =======7=======7=======7=======7 =======7=======7=======7=======7 =======7=======7=======7=======7 =======4=======4=======4=======4 =======4=======4=======4=======4 =======4=======4=======4=======4 =======4=======4=======4=======4 ===0===4===7===4===0===4===7===4 ===7===4===0===4===7===4===0===4 ===7===4===0===4===7===4===0===4 ===0===4===7===4===0===4===7===4 =2=0=2=4=6=7=6=4=2=0=2=4=6=7=6=4 =6=7=6=4=2=0=2=4=6=7=6=4=2=0=2=4 =6=7=6=4=2=0=2=4=6=7=6=4=2=0=2=4 =2=0=2=4=6=7=6=4=2=0=2=4=6=7=6=4 32101234567776543210123456777654 56777654321012345677765432101234 56777654321012345677765432101234 32101234567776543210123456777654
= : No output
Output pulse OUT excitation
Phase a b c
L 7 7 7 7 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
2-2 Phase Full Step (1) (VC:H)
0 1 2
Output mode
0
0 1 2
Output mode
0
0
0
2-2 Phase Full Step (2) (VC:L)
CW
DATA_A DATA_B
CCW
DATA_A DATA_B
0
0
CW 1-2 Phase Half Step
DATA_A DATA_B
3
0
3
0
CCW
DATA_A DATA_B
4
0
4
0
CW W1-2 Phase 1/4 Step CCW
DATA_A DATA_B DATA_A DATA_B
5 6
0
5 6
0
0
0
7
0
7
2W1-2 Phase 1/8 Step
CW
DATA_A DATA_B
CCW
DATA_A DATA_B
External Dimensions (DIP16)
19.2 20.0max 16 Lot No. Part No. 1 0.89 1.3 8 9
6.3 6.65max
(Unit : mm)
7.62
2.54min 5.08max
0.51min
2.540.25
0.480.10 0 to 15C
0.25 -0.05
+0.11
Product Mass : Approx.1g
ICs
125

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