tb62214ftg TOSHIBA Semiconductor CORPORATION, tb62214ftg Datasheet - Page 5

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

Pin Function
TB62214FG
Pin Interfaces
Pin No.
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
11
3
5
2
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
1
4
6
7
explanatory purposes. Absolute precision of the chip internal resistance is +/-30%.
D_MODE_1
D_MODE_2
Pin Name
CW/CCW
MO_OUT
ENABLE
OUT_A
OUT_B
(HSOP28)
RESET
OUT_A
OUT_B
OSCM
V
V
R
R
GND
GND
GND
GND
CLK
V
NC
NC
NC
NC
V
NC
NC
ref_B
ref_A
S_A
S_B
100kΩ
150Ω
150Ω
CC
(HSOP28)
M
100kΩ
FIN
FIN
Motor rotation: forward/reverse
Electric angle monitor
Excitation mode control
Excitation mode control
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
The sink current sensing of A-phase motor coil
No-connect
A-phase positive driver output
No-connect
Motor power ground
A-phase negative driver output
Motor power ground
Motor power ground
B-phase negative driver output
Motor power ground
No-connect
B-phase positive driver output
No-connect
The sink current sensing of B-phase motor coil
Power supply
Smoothing filter for logic power supply
No-connect
No-connect
Tunes the current level for B-phase motor drive.
Tunes the current level for A-phase motor drive.
Oscillator pin for PWM chopper
26
27
22
8kΩ
3kΩ
1kΩ
5
3kΩ
FIN
Function
23
28
500Ω
12
17
1kΩ
10 13
19 16
8
FIN
21
14
15
TB62214FG/FTG
2010-06-10