Description
External Excitation Chopper Drive Block Description
VCC1
IOFF
ION
Enable ØA (control signal) Current divider Vref
A=1 L2 L1 Divider CR oscillator 800kHz 45kHz S
+
D1 MOSFET AND
Q Latch circuit
R
Noise filter
Rs
A13263
Driver Block Basic Circuit Structure
Since this hybrid IC ado
Features
- a significantly smaller package for easier mounting in end products.
- One of five drive types can be selected with the drive mode settings (M1, M2, and M3).
- 2 phase excitation drive.
- 1-2 phase excitation drive.
- W1-2 phase excitation drive.
- 2W1-2 phase excitation drive.
- 4W1-2 phase excitation drive.
- Phase retention even if excitation is switched.
- The MOI phase origin monitor pin is provided.
- Th.