tb62214fng TOSHIBA Semiconductor CORPORATION, tb62214fng Datasheet - Page 4

• Manufacturer Part Number: tb62214fng
• Description: Bicd Constant-current Two-phase Bipolar Stepping Motor Driver Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Pin Function
No.
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
Pin Interfaces
D_MODE_1
D_MODE_2
Pin Name
CW/CCW
MO_OUT
ENABLE
OUT_A1
OUT_A2
OUT_A2
OUT_A1
The equivalent circuit diagrams may be simplified or some parts of them may be omitted for explanatory
RESET
OSCM
Rs_A1
Rs_A2
GND
GND
GND
CLK
NC
NC
NC
NC
NC
NC
NC
5
8
4
10
3
7
9
Function
Oscillator pin for PWM chopper
No connect
Motor rotation: forward/reverse
Electric angle monitor
Excitation mode control 1
No connect
Excitation mode control 2
An electrical angle leads on the rising edge of
the clock input. A motor rotation count depends
on the input frequency.
A-/B-channel output enable
Electric angle reset
Logic ground
No connect
Power supply of A-phase motor coil and the sink
current sensing of A-phase motor coil
No connect
A-phase positive driver output
No connect
No connect
Motor power ground
No connect
A-phase negative driver output
Motor power ground
purposes. Absolute precision of the chip internal resistance is +/-30%.
100kΩ
100kΩ
150Ω
150Ω
46
11
11
46
47
48
8kΩ
39
3kΩ
1kΩ
4
No.
Pin
25
27
29
33
46
26
28
30
31
32
34
35
36
37
38
39
40
41
42
43
44
45
47
48
3kΩ
11
46
41
Pin Name
OUT_B2
OUT_B2
OUT_B1
OUT_B1
Rs_B1
Vref_B
Vref_A
Rs_B2
GND
GND
GND
V
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
V
CC
M
13
36
1
Motor power ground
Function
B-phase negative driver output
No connect
Motor power ground
No connect
No connect
B-phase positive driver output
No connect
Power supply of B-phase motor coil and the sink
current sensing of B-phase motor coil
No connect
No connect
Power supply
No-connect
Smoothing filter for logic power supply
No connect
No connect
No connect
No connect
Logic ground
Tunes the current level for A-phase motor drive.
Tunes the current level for A-phase motor drive.
500Ω
1kΩ
20
29
33 27
16
17
32 26
14
22
23
11
35
24
25
46
TB62214FNG
2010-10-01