TA7774P/PG/F/FG

2007-6-4

2

Block Diagram

Note:

Pins 2, 7, 12, and 13 of the TA7774F/FG are all NC; the heat fin is connected to GND.

Pin Description

Pin No.

Symbol

Functional Description

1 / (1)

Low-voltage power supply terminal

2 / (3)

Power voltage supply terminal for control

3 / (4)

IN A

A-ch forward rotation / reverse rotation signal input terminal, Truth Table 1

4 / (F)

GND

GND terminal

5 / (F)

GND

GND terminal

6 / (5)

IN B

B-ch forward rotation / reverse rotation signal input terminal, Truth Table 1

7 / (6)

PS

Power saving signal input terminal

8 / (8)

Standby signal input terminal, Truth Table 2

9 / (9)

High-voltage power supply terminal

10 / (10)

φB

Output B

11 / (11)

φ

B

Output B

12 / (F)

GND

GND terminal

13 / (F)

GND

GND terminal

14 / (14)

φ Α

Output Α

15 / (15)

φA

Output A

16 / (16)

High-voltage power supply terminal.

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TA7774F/FG

TA7774P/PG/F/FG/FAG