tb62202afg TOSHIBA Semiconductor CORPORATION, tb62202afg Datasheet - Page 12

• Manufacturer Part Number: tb62202afg
• Description: Dual-stepping Motor Driver Ic For Oa Equipment Using Pwm Chopper Type
• Manufacturer: TOSHIBA Semiconductor CORPORATION

4. DECAY mode X0, X1 functions
5. TORQUE functions
6. Current AX (BX) functions
By inputting the above current data (A: 4-bit, B: 4-bit), 17-microstep drive is possible. For 1 step fixed to 90
degrees, see the section on output current vector line (85 page).
DECAY Mode X1
TORQUE 0
Step
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
H
H
L
L
H
H
L
L
Set Angle
90.0
84.4
78.8
73.1
67.5
61.2
56.3
50.6
45.0
39.4
33.8
28.1
22.5
16.9
11.3
5.6
0.0
TORQUE 1
H
H
L
L
DECAY Mode X0
A
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
3
H
H
L
L
Comparator Reference Voltage Ratio
A
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
2
Decay Mode 0
(Initial value: SLOW DECAY MODE)
Decay Mode 1
(Initial value: MIXED DECAY MODE: 37.5%)
Decay Mode 2
(Initial value: MIXED DECAY MODE: 75%)
Decay Mode 3
(Initial value: FAST DECAY MODE)
100%
A
H
H
H
H
H
H
H
H
H
85%
70%
50%
L
L
L
L
L
L
L
L
1
12
A
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
0
Function
B
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
3
B
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
2
B
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
1
TB62202AFG
2005-04-04
B
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
0