Drive IC. AN8495SB Datasheet

AN8495SB IC. Datasheet pdf. Equivalent

Part AN8495SB
Description Stepping Motor Drive IC
Feature New Stepping Motor Drive IC AN8495SB I Overview AN8495SB is a stepping-motor-driving IC, created b.
Manufacture Panasonic
Datasheet
Download AN8495SB Datasheet



AN8495SB
New
Stepping Motor Drive IC AN8495SB
I 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)
I Features
G 4-phase input (W1-2 phase excitation )
G 2-bit current level switching.
G Built-in noise canceler.
G Built-in phase-change thru-current protection function.
G Built-in flywheel diode
I Applications
G Printer G FAX G PPC
1
(1.20)
7
(6.40)
0.80
8
14
0.35+-00..0150
SEATING PLANE
0˚ to 10˚
0.65±0.20
SEATING PLANE
HSOP042-P-0400
¶ The products and specifications 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 Tel. (075) 951-8151
E00094AE
http://www.panasonic.co.jp/semicon/
New publication, effective from Sep. 7. 2001



AN8495SB
I Block Diagram
VCC
PHA1 IN0 IN1
ENABLEA
IN2 IN3
PHB1
ENABLEB
25 7 1 3 4 23
R
QS
Senser
Current
FIN 24 5 6
BLANK
OSC
Senser
Current
92
R
SQ
ENA.off
Vref
TSD
Signal
Vref
20 19
CHARGE
PUMP
CIRCUIT
8 17 16 26 15 FIN 14
Rs
VM
13 12 22 21
Rs
* A voltage is applied externally to Terminals PHA1, PHB1, IN0 to 3, ENABLEA, ENABLEB, VREFA and VREFV, and may cause an overcurrent.
To protect the device from overcurrent, insert an overcurrent protective resistor (1Kor over).
I Pin Description
Pin No.
Function
1 PHA1 A phase changeover terminal
2 PHB1 B phase changeover terminal
3 IN0 A phase output torque control 1
4 IN1 A phase output torque control 2
5 IN2
B phase output torque control 1
6 IN3
B phase output torque control 2
7 ENABLEA A phase start/stop signal input
8 VM1
Supply terminal for Motor 1
9 ENABLEB B phase start/stop signal input
10 N.C
11 N.C
12 BOUT2 Motor drive B phase output 2
13 RCSB
B phase current detector
14 BOUT1 Motor drive B phase output 1
15 AOUT2 Motor drive A phase output 2
Pin No.
Function
16 RCSA
A phase current detector
17 AOUT1 Motor drive A phase output 1
18 N.C
19 BC1 Capacitor for charge pump circuit 1
20 BC2 Capacitor for charge pump circuit 2
21 VPUMP Charge pump circuit output
22 VM2
Supply terminal for Motor 2
23 VREFA A phase torque ref. voltage input
24 VREFB B phase torque ref. voltage input
25 VCC
Supply terminal
26 GND
Signal GND
27 N.C
28 N.C
FIN GND
Signal GND





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