SLA7020M Sanken Electric Co., Ltd., SLA7020M Datasheet

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SLA7020M

Manufacturer Part Number
SLA7020M
Description
PWM Unipolar Stepper Motor Driver IC
Manufacturer
Sanken Electric Co., Ltd.
Datasheet
12
SLA7020M
SLA7021M
Unipolar Driver ICs
Type No.
SLA7020M
SLA7021M
Type No.
SLA7020M
SLA7021M
Type No.
SLA7020M
SLA7021M
Ratings
Characteristics
Electrical
Electrical
teristics
teristics
charac-
charac-
maximum
Absolute
min typ
5.5 10
min
(7020M) I
(7021M) I
forward voltage
ratings
V
Control
current
S
(mA)
FET diode
= 30V
I
S
V
(V)
typ
SD
max min
15
SD
SD
Motor supply FET output
= 1A
= 3A
max
1.1
2.3
10
Voltage
Control
voltage
V
(V)
(1) DC Characteristics
(2) AC Characteristics
46
V
min typ max min typ max min typ
CC
(V)
typ max
19
S
0.5
30
T
r
breakdown
(7020M) I
(7021M) I
min
FET turn-on voltage
voltage
V
100
(V)
Switching time
DS
V
T
D
D
0.7
I
stg
S
(V)
V
D
typ
=1A, V
=3A, V
( s)
DS
= 24V
= 1A
S
S
=14V
=14V
0.85
max
Control
voltage
0.6
(V)
V
32
S
0.1
T
f
min typ max min typ max min typ
leak current
V
FET drain
DSS
V
max
(mA)
I
S
DSS
= 30V
= 100V
TTL input
voltage
WITH MOSFETs
4
V
(V)
7
IN
TTL input
V
V
current
IH
S
( A)
I
IH
= 2.4V
= 30V
Reference
40
voltage
V
(V)
REF
2
TTL input
V
V
current
IL
S
(mA)
= 0.4V
= 30V
I
IL
–0.8 2.0
max min typ max min typ max min typ
current
Output
(A)
1.5
I
3
O
TTL input
voltage
(OUT)
I
D
(V)
V
= 1A
IH
4.5 (No Fin)
dissipation
Power
(W)
P
V
TTL input
D
DSS
voltage
(V)
V
= 100V
IL
0.8 2.0
temperature
Channel
V
( C)
TTL input
150
T
DSS
voltage
(OUT)
ch
V
(V)
= 100V
IH
max min typ max
temperature
–40 to +150
Storage
TTL input
voltage
I
( C)
D
T
V
(V)
= 1A
stg
IL
0.8

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SLA7020M Summary of contents

Page 1

... SLA7021M (2) AC Characteristics Electrical FET diode charac- forward voltage teristics (V) (7020M (7021M Type No. min typ max min typ max min typ max min typ SLA7020M 1.1 0.5 SLA7021M 2.3 12 WITH MOSFETs Control TTL input Reference voltage voltage voltage voltage (V) (V) (V) ( ...

Page 2

... SLA7020M and SLA7021M Block diagram Reference voltage R·C for setting chopper OFF time R·C for protection REF against chopping Current peak malfunctions detector circuit 4 Internal circuit diagram (enclosed with chain line Auxiliary Excitation 4 power supply signal Excitation signal Chopper OFF transfer circuit ...

Page 3

... SLA7020M and SLA7021M Diagram of standard external circuit (Recommended circuit constants) V (46V max (10~30V (5V) REF Open collector External dimensions ±0.2 31 ±0.15 3.2 ±0.2 24.4 ±0.2 16.4 Type No. Lot No. +0.2 0.65 –0.1 ±0.7 ±1.0 14 P2.03 =28.42 ±0.2 31 · · · · · · · 15 Forming number No ...

Page 4

... SLA7024M, SLA7026M, SLA7027MU, SLA7022MU, SLA7029M, SMA7022MU, SMA7029M, SLA7020M, SLA7021M and SDK03M Application Note Determining the output current Fig. 1 shows the waveform of the output current (motor coil current). The method of determining the peak value (lo) of the output current based on this waveform is shown below. ...

Page 5

... SLA7024M, SLA7026M, SLA7027MU, SLA7022MU, SLA7029M, SMA7022MU, SMA7029M, SLA7020M, SLA7021M and SDK03M Application Note Fig. 6 Circuit for fixing the coil current Power down T r signal Fig. 7 Circuit for fixing the coil current Power down T r signal Fig. 8 and 9 show the graphs of equations q and w , respectively ...

Page 6

... SLA7024M, SLA7026M, SLA7027MU, SLA7022MU, SLA7029M, SMA7022MU, SMA7029M, SLA7020M, SLA7021M and SDK03M Application Note Determining the chopper frequency Determining T : SLA7000M series, SMA7000M series and OFF SDK03M are self-excited choppers. The chopping OFF time T is fixed and r /C connected to terminal OFF Td. T can be computed through the following formula: ...

Page 7

... SLA7024M, SLA7026M, SLA7027MU, SLA7022MU, SLA7029M, SMA7022MU, SMA7029M, SLA7020M, SLA7021M and SDK03M Application Note Fig. 12 Temperature rise curve SLA7000M series 150 Natural cooling Without heatsink 100 Total power (W) SMA7000M series 150 Natural cooling Without heatsink 100 Total power (W) SDK03M 150 100 50 Glass epoxy board (mounted on level surface) ( ...

Page 8

... SLA7024M, SLA7026M, SLA7027MU, SLA7022MU, SLA7029M, SMA7022MU, SMA7029M, SLA7020M, SLA7021M and SDK03M Application Note Heat dissipation characteristics Motor : PH265-01B 10 (Rm Lm=9mH/ ) Motor current I =0. =25° =24V, V =24V CC S 2-phase excitation 0 200 500 Motor : PH265-01B (Rm Lm=9mH Motor current I =0. =25° =24V, V =24V CC S 2-phase excitation ...

Page 9

... SLA7024M, SLA7026M, SLA7027MU, SLA7022MU, SLA7029M, SMA7022MU, SMA7029M, SLA7020M, SLA7021M and SDK03M Application Note Supply voltage Vcc vs. Supply current Icc 500 Motor : 23LM-C004 (6V/1.2A) 1-phase excitation Holding mode 400 Chopper period Output current O 300 200 100 Motor : 23PM-C503 1.5 1-phase excitation, holding mode ...

Page 10

... SLA7024M, SLA7026M, SLA7027MU, SLA7022MU, SLA7029M, SMA7022MU, SMA7029M, SLA7020M, SLA7021M and SDK03M Application Note Chopper frequency vs. Supply voltage Motor : 23LM-C202 (1V/1.1A 0. (V) CC NOTE Either active high or active low excitation input signals can be used for SLA7024M, SLA7026M, SLA7027MU and SDK03M. However, take note of the output that corresponds to a specified input as shown in the table below. • ...

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