TLE4727

更新时间： 2024-11-26 03:59:27

品牌	Logo	应用领域
英飞凌 - INFINEON		驱动器电机
页数	文件大小	规格书
22页	212K
描述
2-Phase Stepper-Motor Driver

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TLE4727 数据手册

2-Phase Stepper-Motor Driver

TLE 4727

Bipolar IC

Overview

Features

• 2 × 0.7 amp. outputs

• Integrated driver, control logic and current control

(chopper)

• Fast free-wheeling diodes

• Max. supply voltage 45 V

P-DIP-20-3

• Outputs free of crossover current

• Offset-phase turn-ON of output stages

• All outputs short-circuit proof

• 5 V output for logic supply

• Error-flag for overload, open load, overtemperature

Type

Ordering Code

Package

TLE 4727

Q67000-A9099

P-DIP-20-3

Description

The TLE 4727 is a bipolar, monolithic IC for driving bipolar stepper motors, DC motors

and other inductive loads that operate on constant current. The control logic and power

output stages for two bipolar windings are integrated on a single chip which permits

switched current control of motors with 0.7 A per phase at operating voltages up to 16 V.

The direction and value of current are programmable for each phase via separate control

inputs. A common oscillator generates the timing for the current control and turn-on with

phase offset of the two output stages. The two output stages in a full-bridge configuration

include fast integrated free-wheeling diodes and are free of crossover current. The

device can be driven directly by a microprocessor in several modes by programming

phase direction and current control of each bridge independently.

A stabilized 5 V output allows the supply of external components up to 5 mA. With the

error output the TLE 4727 signals malfunction of the device. Setting the control inputs

high resets the error flag and by reactivating the bridges one by one the location of the

error can be found.

Semiconductor Group

1998-12-16

12 3 4 5 6 7...22

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