■ 제품필수정보

제조사	STMicroelectronics
제조사품명	L6470PDTR
간략설명	STMicroelectronics L6470PDTR, Stepper Motor Stepper Motor Driver 36-Pin, SOIC

■ 제품사양

Motor
타입 = Stepper Motor Output Configuration = Bipolar Maximum Output Current = 3 (RMS A, 7 (Pulsed) A Maximum Supply Voltage = 45 V
장착형태 = Surface Mount
패키지 = SO Maximum Operating Supply Voltage = 45 V Minimum Operating Supply Voltage = 8 V Typical Switching Frequency = 800kHz Length = 9.8mm The L6470 device, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping. It integrates a dual low RDS(on)DMOS full bridge with all of the power switches equipped with an accurate on-chip current sensing circuitry suitable for non-dissipative current control and overcurrent protection. Thanks to a unique control system, a true 1/128 steps resolution is achieved. The digital control core can generate user defined motion profiles with acceleration, deceleration, speed or target position, easily programmed through a dedicated registers set. All commands and data registers, including those used to set analogue values (i.e. current control value, current protection trip point, deadtime, PWM frequency, etc.) are sent through a standard 5-Mbit/s SPI. A very rich set of protections (thermal, low bus voltage, overcurrent, motor stall) allows the design of a fully protected application, as required by the most demanding motor control applications.Operating voltage: 8 - 45 V 7.0 A out peak current (3.0 A r.m.s.) Low RDS(on)Power MOSFETs Programmable speed profile and positioning Programmable power MOS slew rate Up to 1/128 microstepping Sensorless stall detection SPI interface Low quiescent and standby currents Programmable non-dissipative overcurrent protection on high and low-side Two-levels of overtemperature protection Applications Bipolar stepper motors