New
Stepping Motor Drive IC AN8495SB
■
Overview
AN8495SB is a stepping-motor-driving IC, created by using a D-
MOS process, and provides a maximum output of 30V at 1.5A. By
the PWM drive and 2-bit constant-current-chopping-drive method,
the winding 1-2 phase drive is possible.
18.40
±0.20
(5.15)
(4.80)
28
22
21
15
(1.315)
Unit:mm
■
Feature
(1.20)
0.80
10.93
±0.30
8.30
±0.20
0.30
-0.05
+0.10
0˚ to 10˚
0.65
±0.20
0.35
+0.10
-0.05
●
2-bit current level switching.
●
Built-in noise canceller.
●
Built-in phase-change thru-current protection function.
●
Built-in flywheel diode
SEATING PLANE
0.10
±0.10
2.70
±0.20
●
4-phase input (W1-2 phase excitation )
1
7
(6.40)
8
14
SEATING PLANE
HSOP042-P-0400
■
Applications
●
Printer , FAX ,PPC
■
Recommended Operating Range
Operating supply voltage range
VCC
4.75V to 5.25V
18.0V to 28.0V
VM
■
Electrical Characteristics (Ta=25℃±2℃, Vcc=5.0V, V
M
=24V）
Parameter
Power block
Output saturation voltage H
Output saturation voltage L
Flywheel diode forward voltage
Control block
PWM frequency
Comparator threshold H(100%)
Comparator threshold C(67%)
Comparator threshold L(33%)
fPWM
VTH
VTC
VTL
IN0=IN1=0V, IN2=IN3=0V
IN0=5V,IN1=0V,IN2=5V,IN3=0V
IN0=0V,IN1=5V,IN2=0V,IN3=5V
Symbol
Condition
min
typ
max
unit
VOH
VOL
VDI
I = -1.0A
I = 1.0A
I = 1.0A
VM-0.75 VM-0.5
-
0.5
0.65
1.0
-
0.98
1.5
V
V
V
50.2
0.479
0.305
0.151
67
0.503
0.330
0.167
83.8
0.528
0.356
0.185
kHz
V
V
V
The products and specification are subject to change without any notice. Please ask for the latest Product Standards to guarantee the satisfaction of your product requirements.
1 Kotari-yakemachi, Nagaokakyo, Kyoto 617-8520, Japan
M00489AE
Tel. (075)951-8151
http://www. panasonic.co.jp/semicon/
New publication, effective from Dec. 6. 2001
PANASONIC [ PANASONIC SEMICONDUCTOR ]
