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參數資料
型號: TMC222-SI
元件分類: 運動控制電子
英文描述: STEPPER MOTOR CONTROLLER, PDSO20
封裝: SOIC-20
文件頁數: 17/48頁
文件大小: 457K
代理商: TMC222-SI
24
TMC222 DATASHEET (V. 1.12 / March 7, 2011)
Copyright 2004-2011 TRINAMIC Motion Control GmbH & Co. KG
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
相關PDF資料
PDF描述
TMC222-LI STEPPER MOTOR CONTROLLER, QCC32
TMC222-PI20 STEPPER MOTOR CONTROLLER, PDSO20
TMC22290R2C COLOR SIGNAL ENCODER, PQCC44
TMC22291R2C COLOR SIGNAL ENCODER, PQCC44
TMC2301G8A1 SPECIALTY CONSUMER CIRCUIT, CPGA68
相關代理商/技術參數
參數描述
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:
TMC2242A 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Digital Half-Band Interpolating/Decimating Filter 12-bit In/16-bit Out, 60 MHz
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