tb6674pg TOSHIBA Semiconductor CORPORATION, tb6674pg Datasheet - Page 2

• Manufacturer Part Number: tb6674pg
• Description: Stepping Motor Driver Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Block Diagram
Pin Description
Note: TB6674FG: Terminals 2, 7, 12, and 13 are NC.
Pin No. of ( ) :TB6674FG
10 / (10)
11 / (11)
14 / (14)
15 / (15)
16 / (16)
Pin No.
12 / (F)
13 / (F)
4 / (F)
5 / (F)
1 / (1)
2 / (3)
3 / (4)
6 / (5)
7 / (6)
8 / (8)
9 / (9)
TB6674FG: The heat fin is connected to GND.
Symbol
V
V
V
V
GND
GND
GND
GND
V
IN A
IN B
Φ B
Φ A
PS
φB
φA
S2 A
S2 B
S1 B
S1 A
CC
Bridge
driver
Low-voltage power supply terminal
Power voltage supply terminal for control
A-ch forward rotation / reverse rotation signal input
terminal, Truth Table 1
GND terminal
GND terminal
B-ch forward rotation / reverse rotation signal input
terminal, Truth Table 1
Power saving signal input terminal
Standby signal input terminal, Truth Table 2
High-voltage power supply terminal
Output B
Output B
GND terminal
GND terminal
Output Α
Output A
High-voltage power supply terminal.
Functional Description
2
Bridge
driver
TB6674PG/FG/FAG
TB6674PG/FAG
Ver.3
2010-07-07
/
TB6674FG