TB6612FNG電機驅動模塊

TB6612的的用法：

TB6612是雙驅動，也就是可以驅動兩個電機
下面分別是控制兩個電機的IO口
STBY口接單片機的IO口清零電機全部停止，置1通過AIN1 AIN2，BIN1，BIN2 來控制正反轉
VM 接15V以內電源
VCC 接2.7v – 5V電源
GND 接地

驅動1路
PWMA 接單片機的PWM口
真值表：
AIN1 0 0 1
AIN2 0 1 0
停止 正傳 反轉

A01
AO2 接電機1的兩個腳

驅動2路
PWMB 接單片機的PWM口
真值表：
BIN1 0 0 1
BIN2 0 1 0
停止 正傳 反轉
B01
BO2 接電機2的兩個腳

注意： 若是pwm控制，則需要pwm頻率100khz ，親測80khz也好用，同時STBY引腳需要接高電平

Description: The TB6612FNG motor driver can control up to two DC motors at a constant current of 1.2A (3.2A peak). Two input signals (IN1 and IN2) can be used to control the motor in one of four function modes – CW, CCW, short-brake, and stop. The two motor outputs (A and B) can be separately controlled, the speed of each motor is controlled via a PWM input signal with a frequency up to 100kHz. The STBY pin should be pulled high to take the motor out of standby mode.CJMCU.

Logic supply voltage (VCC) can be in the range of 2.7-5.5VDC, while the motor supply (VM) is limited to a maximum voltage of 15VDC. The output current is rated up to 1.2A per channel (or up to 3.2A for a short, single pulse).

Board comes with all components installed as shown. Decoupling capacitors are included on both supply lines. All pins of the TB6612FNG are broken out to two 0.1″ pitch headers; the pins are arranged such that input pins are on one side and output pins are on the other.

Features:

Power supply voltage: VM=15V max, VCC=2.7-5.5V
Output current: Iout=1.2A(average) / 3.2A (peak)
Standby control to save power
CW/CCW/short brake/stop motor control modes
Built-in thermal shutdown circuit and low voltage detecting circuit
All pins of the TB6612FNG broken out to 0.1″ spaced pins
Filtering capacitors on both supply lines

總結

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