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Part: AN44060A
Category:
Description: Mortordrive - Stepping
Company: Panasonic Industrial Company/Electronic Components
Datasheet: Download AN44060A datasheet File size : 50 kB
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Datasheet text preview:
DATA SHEET
Part No. Package Code No.
AN44060A
HSOP042-P-0400D
SEMICONDUCTOR COMPANY MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Publication date: March 2004
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AN44060A Contents
Features ........... 3 Block Diagram .... 4 Pin Descriptions .......... 5 Absolute Maximum Ratings .......... 6 Recommended Operating Range ............ 7 Electrical Characteristics ............. 8 Test Circuit Diagram 1 ... 11 Electrical Characteristics Test Procedures 1 ........ 12 Test Circuit Diagram 2 ... 16 Electrical Characteristics Test Procedures 2 ........ 17 Test Circuit Diagram 3 .. 18 Electrical Characteristics Test Procedures 3 ....... 19 Test Circuit Diagram 4 .. 20 Terminal Equivalent Circuits .......... 21 Usage Notes ..... 23
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AN44060A
AN44060A
IC for Stepping Motor Drives
Function
4-phase input (W 1- and 2-phase excitation enabled; exclusive OR function incorporated for simultaneous-ON prevention) Built-in CR chopping (with frequency fixed) Built-in thermal protection circuit Built-in 5-V power supply
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AN44060A
Block Diagram
0.01 µF
19
0.01 µF
20
BC 2
GATE CIRCUIT
PHB 1
PHB1 50 k
IN3 ENABLEB
R
9
S
ENABLEB
Q
6
IN2
5
IN2
Sensor Current
Vref
BOUT1
24
VREFB
OSC
ENA. OFF
FIN
BLANK
signal
TSD
23
IN1
IN1
Sensor Current
4
IN0
3
ENABLEA PHA1
PHA1 50 k
1
R
S
Q
25
VREG
Note) : Recommendable values are shown in the diagram.
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24 V 0.1 µF
Reg.
0.1 µF
VM
47 µF
GATE CIRCUIT
8
17
VM1
ENABLEA
7
16
AOUT1
Rs
IN0
26
RCSA
15
GND
VREFA
Vref
FIN
AOUT2
14
Rs
IN3
13
12
RCSB
2
22
BOUT2
21
BC 1
Booster
VPUMP
VM2
4
AN44060A
Pin Descriptions
Pin No.
Function
PHA1 PHB1 IN0 IN1 IN2 IN3
ENABLEA
Pin No.
Function
RCSA Phase A current detection
1 2 3 4 5 6 7 8 9
Phase A phase selection input Phase B phase selection input Phase A output torque control 1 Phase A output torque control 2 Phase B output torque control 1 Phase B output torque control 2 Phase A start/stop signal input Motor power supply 1 Phase B start/stop signal input
16 17 18 19 20 21 22 23 24 25 26 27 28
AOUT1 Phase A motor drive output 1 N.C. Booster capacitor connection 1 Booster capacitor BC2 connection 2 VPUMP Boost circuit output BC1 Motor power supply 2 Phase A torque reference VREFA voltage input VREFB Phase B torque reference voltage input Internal reference voltage VREG (5-V output) GND Signal ground VM2 N.C. N.C. Signal ground
VM1
ENABLEB
10 N.C. 11 N.C. 12 BOUT2 Phase B motor drive output 2 13 RCSB
Phase B current detection
14 BOUT1 Phase B motor drive output 1 15 AOUT2 Phase A motor drive output 2
F I N GND
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