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| AN44067A Datasheet, PDF (4/18 Pages) Panasonic Semiconductor – Driver IC for stepping motor | |||
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AN44067A
 Application Circuit Example (Block Diagram)
BC1 13
0.01 μF BC2 14
ENABLE 19
CHARGE
PUMP
TEST 25
TJMON 3
100 kΩ
only
TEST = High-level input
TEST
DACB
VREF 23
1/10
PWMSW 33
PWMSW
PHA 28
DIR 32
ST1 31
ST2 30
ST3 29
Micro
step
decoder
1/10
DACA
BLANK
15 VPUMP
VM
Protection of
BOUT1
GND
BOUT2
0.01 μF
Gate circuit
6 BOUT2
7 RCSB
OSC TSD
S5VOUT
8 BOUT1
1 VM2
UVLO
0.1 μF
UVLO
47 μF
17 VM1
10 AOUT2
11 RCSA
DECAY1 21
DECAY2 20
0.1 μF S5VOUT 24
AMP
STBY 22
VM
BG
STBY
12 AOUT1
Gate circuit
AOUT1
Protection of AOUT2
VM
GND
27 GND
4 GND
Note) This application circuit is shown as an example but does not guarantee the design for mass production set.
SDL00012BEB
4
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