Контроллеры и драйверы двигателей / движения / зажигания DRV8881PRHRT

Привод двигателя , шаговый/щеточный DC, 6.5В до 45В питание, 1.4А/1 выход, WQFN-28

The DRV8881PRHRT is a 2.5A stepper motor driver in 28 pin WQFN package. The DRV8881 is a bipolar stepper or brushed DC motor driver for industrial applications. The device output stage consists of two N-channel power MOSFET H-bridge drivers. The DRV8881 is capable of driving up to 2.5A peak current or 1.4A rms current per H-bridge. Slow, fast and mixed decay modes are available. The PWM (DRV8881P) pin provides a simple control interface. An internal sense amplifier allows for adjustable current control. A low-power sleep mode is provided for very low quiescent current standby using a dedicated nSLEEP pin. Internal protection functions are provided for undervoltage, charge pump faults, overcurrent, short-circuits and overtemperature. Fault conditions are indicated by a nFAULT pin.

• Operating supply voltage range from 6.5V to 45V
• Adaptive blanking time for smooth stepping
• Parallel mode operation
• Configurable off-time PWM chopping of 10µs, 20µs or 30µs off-time
• 3.3V, 10mA LDO regulator
• Low current of 28µA at sleep mode
• RDS(ON) (HS + LS) is 630mohm, RMS output current is 1.41A
• Peak output current is 2.5A
• Operating temperature range from -40°C to 125°C

Области применения

Привод Двигателя и Управление, Потребительская Электроника, Охрана, Автоматизация Зданий, Робототехника, Переносные Устройства