SLA7078M

更新时间： 2024-11-13 04:04:19

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器电机
页数	文件大小	规格书
13页	364K
描述
Motor Driver IC Family

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中文翻译

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数据手册

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SLA7078M 数据手册

SLA7075M, SLA7076M,

SLA7077M, and SLA7078M

Motor Driver IC Family

The SLA7075M, SLA7076M, SLA7077M, and SLA7078M motor driver

ICs feature 2-phase stepper unipolar drivers. The clock-in type input interface

allows simplified control logic, and options for built-in sense current detection

and load circuit short or open protection (patent pending) provide lower loss,

and lower thermal resistance. All products in the SLA7070M series are pin-

compatibile, supporting rapid design of application variants.

The built-in excitation distribution circuit (sequencer) allows motor control

using only the CLOCK signal for simple operations (rotate/stop), with motor

speed control by frequency input into CLOCK pin. This eliminates logic signal

lines required for conventional phase-input methods, and reduces demand on

heavily-used CPUs.

Contact Allegro^®for application information and additional information on

device performance and logic.

FEATURES AND BENEFITS

ABSOLUTE MAXIMUM RATINGS

AT T_A= 25°C

Features

Power supply voltages, V_BB: 46 V(max.), 10 to 44 V normal operating range

Logic supply voltages, V_DD: 3.0 to 5.5 V

Maximum output currents: 1 A, 1.5 A, 2 A, 3 A

Built-in sequencer

Load (Motor) Supply Voltage, V_{M .........}46 V

Main Power Supply Voltage, V_BB..........46 V

Logic Supply Voltage, V_{DD ...........................}7 V

Output Current, I_OUT

SLA7075M.................................1.0 A

SLA7076M.................................1.5 A

SLA7077M.................................2.0 A

SLA7078M.................................3.0 A

Logic Input Voltage, V_IN

Simplified clock-in stepping control

Microstepping at full-, half-, quarter-, eighth-, and sixteenth-steps

Built-in sense resistor, R_SInt

.............................. –0.3 to V_DD+0.3 V

REF Input Voltage, V_REF

_{............................................}–0.3 to V_DD+0.3 V

Sense Voltage, V_SInt

t_w< 1 μs is not considered..........±2 V

Power Dissipation, P_D

All variants are pin-compatible for enhanced design flexibility

ZIP type 23-pin molded package (SLA package)

Self-excitation PWM current control with fixed off-time; off-time adjusted

automatically by step reference current ratio (3 levels)

Built-in synchronous rectifying circuit reduces losses at PWM off

Synchronous PWM chopping function prevents motor noise in Hold mode

Sleep mode for reducing the IC input current in stand-by state

Without heat sink ......................4.7 W

Junction Temperature, T_{J.......................}150°C

Ambient Temperature, T_A.......–20 to 85°C

Storage Temperature, T_stg...–30 to 150°C

Built-in protection circuitry against motor coil opens/shorts option available

Sanken Power Devices

from Allegro MicroSystems

12 3 4 5 6 7...13

中文翻译

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与SLA7078M相关器件

型号	品牌	获取价格	描述	数据表
SLA7078MPR	SANKEN	获取价格	2-Phase to 4W 1-2 Phase Excitation Support, Built-in Sequencer
SLA7078MPR	ALLEGRO	获取价格	Motor Driver IC Family
SLA7078MPRT	ALLEGRO	获取价格	Stepper Motor Controller, 3A, PZFM23, ZIP-23
SLA7078MPRT	SANKEN	获取价格	2-Phase to 4W 1-2 Phase Excitation Support, Built-in Sequencer
SLA7078MR	ALLEGRO	获取价格	Motor Driver IC Family
SLA7078MR	SANKEN	获取价格	Stepper Motor Controller, 3A, SLA-23
SLA7078MSLF2151	SANKEN	获取价格	Stepper Motor Controller
SLA707MPR	SANKEN	获取价格	2-Phase to 4W 1-2 Phase Excitation Support, Built-in Sequencer
SLA707MPRT	SANKEN	获取价格	2-Phase to 4W 1-2 Phase Excitation Support, Built-in Sequencer
SLA707XM	SANKEN	获取价格	2-Phase Unipolar Stepper Motor Driver

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