tb62217afg TOSHIBA Semiconductor CORPORATION, tb62217afg Datasheet - Page 33

• Manufacturer Part Number: tb62217afg
• Description: Pwm Drive Stepping Motor Driver / Brush Dc Motor Driver Selectable, Dc-dc Converter And Reset Function Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

(1) Extreme Voltage Drop Protection Function VSD (when detected, the IC is shut down)
(2) Extreme Voltage Drop Protection Function VSD During Current Limiter Operation
(3) IC Overheat Protection Function (TSD) (when detected, the IC is shut down)
Note:
4)
Reset output
DC-DC converter
Channel A/B/C output
Current limiter operation
(when detected, the IC is shut down)
Motor Over Current Protection Function (when detected, only the motor is stopped)
A low-pulse period of 40 ms is applied when OSC_DM frequency
Reset output
DC-DC converter
Channel A/B/C output
Reset output
Motor output current
IC junction temperature
Reset output
Set voltage
Set voltage
protection value
Over current
GND
GND
GND
GND
GND
Overheat
GND
GND
GND
 30%
OSC_D: 3 CLK
33
12~16 CLK
4~8 CLK
12~16 CLK
800 kHz and clock = 1.25 P s.
Set voltage
 40% (typ.)
Set voltage
 30% (typ.)
32768 clock
(40 ms typ.)
Set voltage  40% (typ.)
Set voltage  15% (typ.)
Limiter state
TB62217AFG
2004-11-12