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TB6560HQ Datasheet(PDF) 18 Page - Toshiba Semiconductor

Part No. TB6560HQ
Description  PWM Chopper-Type bipolar Stepping Motor Driver IC
Download  31 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TB6560HQ Datasheet(HTML) 18 Page - Toshiba Semiconductor

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TB6560HQ/FG
2006-05-31
18
5.
CLK Signal and Internal CR CK Output Current Waveform
(when the CLK signal is input in the middle of Slow mode)
When the CLK signal is input, the Chopping Counter (OSC Counter) is forcibly reset at the timing of the
OSC.
As a result, the response to input data is fast in comparison to methods that don’t reset the counter.
The delay time is one OSC cycle: 10
µs @100 kHz Chopping using the Logic Block logic value.
After the OSC Counter is reset by CLK signal input, the transition is invariably made to Charge mode
for a brief moment to compare the current.
Note: Even in Fast Decay Mode, the transition is invariably made to Charge mode for a brief moment to
compare the current.
25% Mixed Decay Mode
CLK Signal Input
Setting
Current
Value
IOUT
RNF
Setting
Current
Value
fchop
OSC Pin
Internal
Waveform
Transition to Charge mode for a brief moment
The CR counter is reset here.
NF
RNF
MDT
NF
MDT
fchop
fchop


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