tb62214ftg TOSHIBA Semiconductor CORPORATION, tb62214ftg Datasheet - Page 6

• Manufacturer Part Number: tb62214ftg
• Description: Bicd Constant-current Two-phase Bipolar Stepping Motor Driver Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

44
TB62214FTG
Pin Interfaces
45
3
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
The equivalent circuit diagrams may be simplified or some parts of them may be omitted for
46
47
2
4
Pin Name
ENABLE
OUT_A1
OUT_A2
OUT_A1
OUT_A2
OUT_B2
OUT_B1
RESET
R
R
explanatory purposes. Absolute precision of the chip internal resistance is +/-30%.
GND
GND
GND
GND
GND
CLK
NC
NC
S_A1
S_A2
NC
NC
NC
NC
NC
NC
100kΩ
150Ω
100kΩ
150Ω
No-connect
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
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
No-connect
A-phase negative driver output
B-phase negative driver output
No-connect
No-connect
Electric angle reset
Logic ground
Motor power ground
Motor power ground
Motor power ground
Motor power ground
(QFN48)
(QFN48)
40
40
32
8kΩ
Function
41
42
3kΩ
1kΩ
3kΩ
6
40
34
No.
Pin
27
25
26
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46 D_MODE_1 Excitation mode control
47 D_MODE_2 Excitation mode control
48
30
7
Pin Name
CW/CCW
MO_OUT
OUT_B2
OUT_B1
R
R
OSCM
V
V
GND
43
V
NC
NC
S_B2
S_B1
NC
V
NC
NC
NC
NC
NC
NC
ref_B
ref_A
NC
CC
M
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
Power supply
No-connect
Smoothing filter for logic power supply
No-connect
No-connect
No-connect
No-connect
No-connect
Tunes the current level for B-phase motor
drive.
Tunes the current level for A-phase motor
drive.
Motor rotation: forward/reverse
No-connect
Logic ground
Oscillator pin for PWM chopper
Electric angle monitor
500Ω
15
22
27 21
10
26 20
1kΩ
11
8
16
17
29
18
19
40
TB62214FG/FTG
Function
2010-06-10