tb62202afg TOSHIBA Semiconductor CORPORATION, tb62202afg Datasheet - Page 58

• Manufacturer Part Number: tb62202afg
• Description: Dual-stepping Motor Driver Ic For Oa Equipment Using Pwm Chopper Type
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Current Modes
(MIXED (= SLOW
Set current
value
Set current
value
Set current
value
Sine wave in increasing (Slow Decay Mode (Charge + Slow + Fast) normally used)
Sine wave in decreasing (When using MIXED DECAY Mode with large attenuation ratio (MDT%) at attenuation)
Sine wave in decreasing (When using MIXED DECAY Mode with small attenuation ratio (MDT%) at attenuation)
Note: The above charts are schematics. The actual current transient responses are curves.
Charge
Charge
Charge
+
Slow
FAST) Decay Mode Effect)
Slow
Slow
Fast
Fast
Fast
Charge
Charge
Charge
Slow
Slow
Set current
value
Set current
value
Set current
value
Slow
Fast
Fast
Fast
58
Because current attenuates so quickly, the current
immediately follows the set current value.
Because current attenuates slowly, it takes a
long time for the current to follow the set current
value (or the current does not follow).
Charge
Slow
Charge
Fast
Slow
Fast Charge
Fast
Charge
Charge
Slow
Fast
TB62202AFG
Slow
Fast
2005-04-04
Fast