Data Sheet

TB6612FNG
2
2007-06-30
Block Diagram
Pin Functions
Pin
NO.
Symbol I/O Remarks
1 AO1
2 AO1
O chA output1
3 PGND1
4 PGND1
⎯ Power GND 1
5 AO2
6 AO2
O chA output2
7 BO2
8 BO2
O chB output2
9 PGND2
10 PGND2
⎯ Power GND 2
11 BO1
12 BO1
O chB output1
13 VM2
14 VM3
⎯ Motor supply（2.5V∼13.5V）
15 PWMB I chB PWM input / 200kΩ pull-down at internal
16 BIN2 I chB input2 / 200kΩ pull-down at internal
17 BIN1 I chB input1 / 200kΩ pull-down at internal
18 GND ⎯ Small signal GND
19 STBY I L=standby / 200kΩ pull-down at internal
20 Vcc ⎯ Small signal supply (2.7V∼5.5V)
21 AIN1 I chA input1 / 200kΩ pull-down at internal
22 AIN2 I chA input2 / 200kΩ pull-down at internal
23 PWMA I chA PWM input / 200kΩ pull-down at internal
24 VM1 ⎯ Motor supply（2.5V∼13.5V）
1820 14
3
13
1 2 64 5
19
7 8 9 11 1210
24 22 2123
H-SW
A
H-SW
B
Control Logic
A
Control Logic
B
TSD
STB
UVLO
151617
Vcc GNDSTBYAIN1AIN2PWMA BIN1 BIN2 PWMBVM1 VM3 VM2
AO1 AO2PGND1AO1 AO2PGND1 BO1BO2 PGND2 BO1BO2 PGND2