Datasheet > TMC246/A

TMC246/A

更新时间： 2024-11-21 06:02:31

品牌	Logo	应用领域
其他 - ETC		驱动器传感器电机
页数	文件大小	规格书
24页	181K
描述
High Current Microstep Stepper Motor Driver with sensorless stall detection, protection / diagnosis and SPI Interface

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TMC246/A 数据手册

TMC246 DATA SHEET (V2.01 / Sep. 14th, 2005)

TMC 246/A – DATA SHEET

High Current Microstep Stepper Motor Driver

with sensorless stall detection, protection /

diagnosis and SPI Interface

TRINAMIC^®Motion Control GmbH & Co KG

Sternstraße 67

D – 20357 Hamburg

GERMANY

T +49 - (0) 40 - 51 48 06 - 0

F +49 - (0) 40 - 51 48 06 - 60

WWW.TRINAMIC.COM

INFO@TRINAMIC.COM

Features

The TMC246 / TMC246A (1) is a dual full bridge driver IC for bipolar stepper motor control

applications. The integrated unique sensorless stall detection (pat. pend.) StallGuard™ makes it a

good choice for applications, where a reference point is needed, but where a switch is not desired. Its

ability to predict an overload makes the TMC246 an optimum choice for drives, where a high reliability

is desired. The TMC246 is realized in a HVCMOS technology combined with Low-RDS-ON high

efficiency MOSFETs (pat. pend.). It allows to drive a coil current of up to 1500mA even at high

environment temperatures. Its low current consumption and high efficiency together with the miniature

package make it a perfect solution for embedded motion control and for battery powered devices.

Internal DACs allow microstepping as well as smart current control. The device can be controlled by a

serial interface (SPI™ⁱ) or by analog / digital input signals. Short circuit, temperature, undervoltage

and overvoltage protection are integrated.

•

Sensorless stall detection StallGuard™ and load measurement integrated

Control via SPI with easy-to-use 12 bit protocol or external analog / digital signals

Short circuit, overvoltage and overtemperature protection integrated

Status flags for overcurrent, open load, over temperature, temperature pre-warning, undervoltage

Integrated 4 bit DACs allow up to 16 times microstepping via SPI, any resolution via analog

control

•

Mixed decay feature for smooth motor operation

Slope control user programmable to reduce electromagnetic emissions

Chopper frequency programmable via a single capacitor or external clock

Current control allows cool motor and driver operation

7V to 34V motor supply voltage (A-type)

Up to 1500mA output current and more than 800mA at 105°C

3.3V or 5V operation for digital part

Low power dissipation via low RDS-ON power stage

Standby and shutdown mode available

(1) The term TMC246 in this datasheet always refers to the TMC246A and the TMC246. The major

differences in the older TMC246 are explicitly marked with “non-A-type”. The TMC246A brings a

number of enhancements and is fully backward compatible to the TMC246.

12 3 4 5 6 7...24

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与TMC246/A相关器件

型号	品牌	获取价格	描述	数据表
TMC246_06	ETC	获取价格	High Current Microstep Stepper Motor Driver with sensorless stall detection, protection /
TMC246_1	TRINAMIC	获取价格	High current microstep stepper motor driver w
TMC246A	ETC	获取价格	High Current Microstep Stepper Motor Driver with sensorless stall detection, protection /
TMC246A-PA	TRINAMIC	获取价格	Microstep Driver for up to 1.5A with stall Gu
TMC248	TRINAMIC	获取价格	Low-cost stepper driver
TMC248-LA	TRINAMIC	获取价格	Low-cost stepper driver
TMC249	TRINAMIC	获取价格	Microstep Driver for External MOSFETs for up
TMC249_05	ETC	获取价格	High Current Microstep Stepper Motor Driver with sensorless stall detection, protection /
TMC249_1	TRINAMIC	获取价格	High current microstep stepper motor driver w
TMC249_11	TRINAMIC	获取价格	High current microstep stepper motor driver

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