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參數(shù)資料

型號：	TMC222-LI
元件分類：	運(yùn)動控制電子
英文描述：	STEPPER MOTOR CONTROLLER, QCC32
封裝：	QFN-32
文件頁數(shù)：	17/48頁
文件大小：	457K
代理商：	TMC222-LI

TMC222 DATASHEET (V. 1.12 / March 7, 2011)

5.3.3

Chopper Mechanism

The chopper frequency is fixed as specified in chapter 10.4 AC Parameters on page 46. The TMC222

uses an intelligent chopper algorithm to provide a smooth operation with low resonance. The TMC222

uses internal measurements to derive current flowing through coils. If the current is less than the

desired current, the TMC222 switches a H-bridge in a way that the current will increase. Otherwise if

the current is too high, the H-bridge will be switched to decrease the current. For decreasing two

modes are available, slow decay and fast decay, whereas fast decay decreases the current faster than

slow decay. The figure below shows the chopper behavior.

Figure 13: Different Chopper Cycles with Fast and Slow Decay

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TMC2301G8A1	SPECIALTY CONSUMER CIRCUIT, CPGA68
TMC2301G8A	SPECIALTY CONSUMER CIRCUIT, CPGA68

相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
TMC222-SI	制造商:Trinamic 功能描述:MOTOR CNTRL I2C INTERFACE SOIC20 制造商:Trinamic 功能描述:MOTOR CNTRL, I2C INTERFACE, SOIC20 制造商:Trinamic 功能描述:IC MOTOR CTRL/DRVR, STEPPER, SOIC-20; Motor Type:Stepper; No. of Outputs:4; Output Current:800mA; Driver Case Style:SOIC; No. of Pins:20; Supply Voltage Min:8V; Supply Voltage Max:29V; Operating Temperature Min:-40C ;RoHS Compliant: Yes
TMC223-EVAL	制造商:Trinamic 功能描述:EVAL MODULE FOR TMC223
TMC223-LI	制造商:Trinamic 功能描述: 制造商:Trinamic 功能描述:IC MOTOR CTRLR/DVR I2C 32QFN
TMC223-SI	制造商:Trinamic 功能描述:Bulk
TMC2242 WAF	制造商:Fairchild Semiconductor Corporation 功能描述:

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