an44067a Panasonic Corporation of North America, an44067a Datasheet - Page 4

• Manufacturer Part Number: an44067a
• Description: Driver Ic For Stepping Motor
• Manufacturer: Panasonic Corporation of North America

AN44067A
0.1 μF
only
TEST = High-level input
Note) This application circuit is shown as an example but does not guarantee the design for mass production set.
0.01 μF
Application Circuit Example (Block Diagram)
100 kΩ
DECAY1 21
DECAY2 20
ENABLE 19
PWMSW 33
S5VOUT 24
TJMON 3
VREF 23
TEST 25
STBY 22
PHA 28
BC1 13
DIR 32
BC2 14
ST1 31
ST2 30
ST3 29
decoder
Micro
step
AMP
TEST
PWMSW
1/10
DACB
CHARGE
1/10
DACA
PUMP
STBY
BG
BLANK
V
M
SDL00012BEB
OSC
TSD
V
Gate circuit
Gate circuit
V
M
M
Protection of
Protection of
GND
GND
UVLO
UVLO
S5VOUT
AOUT1
AOUT2
BOUT1
BOUT2
10 AOUT2
12 AOUT1
15 VPUMP
17 VM1
11 RCSA
27 GND
4 GND
8 BOUT1
1 VM2
6 BOUT2
7 RCSB
47 μF
0.1 μF
0.01 μF
4