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TC78S122FTG PDF预览

TC78S122FTG

更新时间: 2024-11-06 14:56:55
品牌 Logo 应用领域
东芝 - TOSHIBA /
页数 文件大小 规格书
31页 626K
描述
Stepping motor driver IC

TC78S122FTG 数据手册

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TC78S122FTG  
TOSHIBA CD Process Integrated Circuit Silicon Monolithic  
TC78S122FTG  
PWM Chopper Type Dual-Stepping Motor Driver  
The TC78S122FTG is a PWM chopper type dual-stepping motor driver.  
Two stepping motor drivers can drive up to four brushed DC  
motors. Incorporating two pairs of H-bridge drivers, the  
TC78S122FTG can drive two DC motors or a single stepping  
motor.  
Features  
QFN48-P-0707-0.50  
Single-chip motor driver for bipolar stepping motor  
Weight: 0.137 (g)  
control  
Monolithic IC structured by CD process.  
Low ON-resistance: Ron = 0.6 Ω  
In large mode, ON-resistance of combined H-bridges (Ron) is 0.3 Ω.  
Over-current detection (ISD), thermal shutdown (TSD) and VM power-on reset circuits  
Since the IC incorporates the VCC regulator for internal circuit operation, an external power supply (5 V)  
is not required.  
Package: QFN48  
Maximum output withstand voltage: 40 V (max)  
Output current: 2.0 A (max) in DC Motor (S) mode; 1.5 A (max) in Stepping Motor (S) mode  
Chopping frequency can be set by external capacitor and resistor. High-speed chopping is possible at  
100 kHz or higher.  
1
© 2016-2017  
Toshiba Electronic Devices & Storage Corporation  
2017-09-15  

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