A good PCB layout for the DRV2605LTDGSRQ1 involves keeping the input and output traces separate, using a solid ground plane, and placing the device close to the vibration motor. TI provides a recommended PCB layout in the datasheet and application notes.
When choosing a vibration motor for use with the DRV2605LTDGSRQ1, consider the motor's resonant frequency, amplitude, and impedance. The motor should be matched to the driver's output impedance and voltage. TI provides guidelines for motor selection in the datasheet and application notes.
The maximum voltage that can be applied to the DRV2605LTDGSRQ1 is 5.5V. Exceeding this voltage can damage the device. It's essential to ensure that the power supply voltage is within the recommended range.
The DRV2605LTDGSRQ1 has a built-in overcurrent protection feature. However, it's recommended to add external overcurrent protection, such as a fuse or a current-sensing resistor, to prevent damage to the device and the motor in case of a fault condition.
The internal oscillator in the DRV2605LTDGSRQ1 generates a clock signal that drives the vibration motor. The oscillator frequency can be adjusted using external resistors and capacitors to optimize the motor's performance.
DRV2605LTDGSRQ1 datasheet
by Texas Instruments
