AN8495SB Datasheet, PDF (1/2 Pages) Panasonic Semiconductor – Stepping Motor Drive IC

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
Unit:mm
(1.315)
■ Feature
● 4-phase input (W1-2 phase excitation )
● 2-bit current level switching.
● Built-in noise canceller.
● Built-in phase-change thru-current protection function.
● Built-in flywheel diode
■ Applications
● Printer , FAX ,PPC
■ Recommended Operating Range
Operating supply voltage range
VCC
VM
1
(1.20)
7
8
(6.40)
0.80
14
0.35^+-00..0150
SEATING PLANE
0˚ to 10˚
0.65±0.20
SEATING PLANE
HSOP042-P-0400
4.75V to 5.25V
18.0V to 28.0V
■ Electrical Characteristics (Ta=25℃±2℃, Vcc=5.0V, VM=24V）
Parameter
Symbol
Condition
min typ
max unit
Power block
Output saturation voltage H
Output saturation voltage L
VOH
VOL
I = -1.0A
I = 1.0A
VM-0.75 VM-0.5 _-
V
-
0.65 0.98 V
Flywheel diode forward voltage
Control block
VDI
I = 1.0A
0.5
1.0 1.5
V
PWM frequency
Comparator threshold H(100%)
Comparator threshold C(67%)
Comparator threshold L(33%)
fPWM
VTH
VTC
VTL
50.2
IN0=IN1=0V, IN2=IN3=0V 0.479
IN0=5V,IN1=0V,IN2=5V,IN3=0V 0.305
IN0=0V,IN1=5V,IN2=0V,IN3=5V 0.151
67
0.503
0.330
0.167
83.8 ^kHz
0.528 V
0.356 V
0.185 ^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. [phone]
http://www. panasonic.co.jp/semicon/
New publication, effective from Dec. 6. 2001