L293NE集成电路（IC）的电机驱动器控制器规格书PDF中文资料

L293NE属于集成电路（IC）的电机驱动器控制器。由美国德州仪器公司制造生产的L293NE电机驱动器，控制器产品属于电机驱动器和控制器电源管理集成电路 (PMIC) 系列，可用于控制或操作从某电源施加到电机或相关机电执行器的电源。所实现的具体功能和特性集根据预期负载和预期应用的特性有很大差异，范围从用于有刷电机的简单开环速度控制到基于步进电机的高级闭环运动控制。

1 Features

1• Wide Supply-Voltage Range: 4.5 V to 36 V

• Separate Input-Logic Supply

• Internal ESD Protection

• High-Noise-Immunity Inputs

• Output Current 1 A Per Channel (600 mA for

L293D)

• Peak Output Current 2 A Per Channel (1.2 A for

L293D)

• Output Clamp Diodes for Inductive Transient

Suppression (L293D)

2 Applications

• Stepper Motor Drivers

• DC Motor Drivers

• Latching Relay Drivers

3 Description

The L293 and L293D devices are quadruple high-

current half-H drivers. The L293 is designed to provide bidirectional drive currents of up to 1 A at

voltages from 4.5 V to 36 V. The L293D is designed

to provide bidirectional drive currents of up to 600-mA

at voltages from 4.5 V to 36 V. Both devices are

designed to drive inductive loads such as relays, solenoids, DC and bipolar stepping motors, as well as

other high-current/high-voltage loads in positive-

supply applications.

Each output is a complete totem-pole drive circuit,

with a Darlington transistor sink and a pseudo-

Darlington source. Drivers are enabled in pairs, with

drivers 1 and 2 enabled by 1,2EN and drivers 3 and 4

enabled by 3,4EN.

The L293 and L293D are characterized for operation

from 0°C to 70°C.