TB6562AFG Toshiba, TB6562AFG Datasheet - Page 12

• Manufacturer Part Number: TB6562AFG
• Description: IC, STEPPER MOTOR DRIVER, 40V 1.5A
• Manufacturer: Toshiba

Specifications of TB6562AFG

• No. Of Outputs: 2
• Output Current: 1.5A
• Output Voltage: 40V
• Supply Voltage Range: 0V To 5V, 10V To 34V
• Driver Case Style: SSOP
• No. Of Pins: 30
• Operating Temperature Range: -20°C To +85°C
• Package /: RoHS Compliant
• Motor Type: Stepper
• Rohs Compliant: Yes
• Function: Driver
• Vopmax (vm*): 34V (40V)
• Io (lpeak): (1.5A)
• Excitation: 1/4 step
• I/f: phase input (2-bit/phase)
• Mixed Decay Mode: no
• Package: SSOP30
• Rohs Compatible†: yes

Timing charts may be simplified for explanatory purposes.
Internal oscillation frequency (fosc)
The internal oscillation frequency is approximated by the formula below:
ｆosc = 1 / (0.523 × (Cosc × 3700 ＋ Cosc × 600)).
Transition from charge mode to discharge mode
Transition from discharge mode to charge mode
Internal
If V
four clock signals in discharge mode, V
mode until V
Even when the reference voltage has risen, discharge mode lasts for four clock signals and is then toggled
to charge mode.
Internal
OSC
GND
clock
Vref
OSC
GND
V
Vref
RS
clock
RS
> Vref after four clock signals in charge mode, the IC again enters discharge mode. After a further
RS
reaches Vref.
Discharge
Discharge
RS
V
RS
is compared with Vref. If V
12
Charge
Charge
Discharge
RS
< Vref, the IC operates in charge
Charge
Discharge
TB6562ANG/AFG
2007-3-22