Sanken Electric Co SLA7020M, SLA7021M Datasheet
Unipolar Driver ICs
SLA7020M
WITH MOSFETs
SLA7021M
■ Ratings
Absolute Motor supply FET output Control TTL input Reference Output Power Channel Storage
maximum Voltage breakdown voltage voltage voltage current dissipation temperature temperature
ratings voltage
Type No. VCC VDS VS VIN VREF IO PD Tch Tstg
SLA7020M 1.5
SLA7021M
■ Characteristics (1) DC Characteristics
Electrical Control Control FET turn-on voltage FET drain TTL input TTL input TTL input TTL input TTL input TTL input
charac- current voltage leak current current current voltage voltage voltage voltage
teristics (OUT) (OUT)
Type No.
SLA7020M 0.6
SLA7021M
(mA) (V) (V) (mA) (µA) (mA) (V) (V) (V) (V)
VS = 30V
IS VS VDS IDSS IIH IIL VIH VIL VIH VIL
min typ max min typ max min typ max min typ max min typ max min typ max min typ max min typ max min typ max min typ max
5.5 10 15 10 19 30
(V) (V) (V) (V) (V) (A) (W) ( °C) (°C)
46 100 32 7 2
(7020M) ID =1A, VS =14V VDSS = 100V VIH = 2.4V VIL = 0.4V
(7021M) ID =3A, VS =14V VS = 30V VS = 30V VS = 30V
0.85
4 40 –0.8 2.0 0.8 2.0 0.8
3
4.5 (No Fin) 150 –40 to +150
ID = 1A V
DSS
= 100V V
DSS
= 100V ID = 1A
(2) AC Characteristics
Electrical FET diode Switching time
charac- forward voltage
teristics (V) (µs)
(7020M) ISD = 1A VS = 24V
(7021M) ISD = 3A ID = 1A
Type No.
SLA7020M
SLA7021M
VSD Tr Tstg Tf
min typ max min typ max min typ max min typ max
1.1
2.3
0.5 0.7 0.1
12
SLA7020M and SLA7021M
■ Block diagram
Reference voltage
V
b
r
R·C for protection
against chopping
malfunctions
1
R·C for setting
chopper OFF
r
2
r
5
/
r
6
C
3
/
C
time
REF
Current peak
detector
4
circuit
r
3
/
4
r
C
1
/
2
C
Chopper OFF
time control
circuit
Auxiliary
power supply
d
T
V
S
GND
■ Internal circuit diagram (enclosed with chain line)
Excitation
signal
IN OUT OUT
Excitation signal
transfer circuit
D
Motor main
power supply
Motor
Current control and
counter EMF
canceller circuit
a
/
D
b
CC
V
R
S
Current detection resistor
R
S
V
CC
Vs=10~30V
+
OUTA
6
OUTA
15 8
INA
VS
14
INB
OUTB
OUTB
10 15
Reg Reg
+
–
7
RSA
S
R
C3
+
–
2 3 4 121311
A
TDA
REF
GNDAGND
r3
r5
1 C2
C
+
–
B
B
REF
r1
r6
r2
TDB
+
–
9
RSB
RS
r4
Vb(5V)
C4
DbDa
13
SLA7020M and SLA7021M
■ Diagram of standard external circuit (Recommended circuit constants)
V
CC
REF
V
(46V max)
VS (10~30V)
(5V)
r
4
r
3
C1C
2
r
2
Open
collector
8161015
S
V
r
1
2
T
dA
T
dB
11
OUTAOUTBOUT
OUT
A
SLA7020M
SLA7021M
RSAREFAREFBR
7 3 13 9 4 12
3
D
C
a
r
5
4
C
r
6
clock 012301
B
5
IN
A
IN
A
clock 0 1 2 3 4 5 6 7 0 1 2 3
14
IN
B
SB
GAG
B
D
b
RsRs
IN
B
• td
r
1 510Ω
2 100Ω (VR)
r
r
3 47kΩ
4 47kΩ
r
5 2.4kΩ
r
r
6 2.4kΩ
1 470pF
C
2 470pF
C
C
3 2200pF
4 2200pF
C
Excitation signal time chart
2-phase excitation
INA HHLLHH
INB LHHLLH
1-2 phase excitation
INA HHHHLL L LHHHH
tdA LLLHLLLHLLLH
INB L LHHHHL LL LHH
tdB LHLLLHLLLHLL
A and tdB are signals before the inverter stage.
Da. Db EK03 RK34
7020M 7021M
Rs 1Ω typ 0.68Ω typ
dAtdB
t
■ External dimensions
±0.2
±0.15
3.2
φ
±0.2
±0.2
±0.2
16
13
9.9
+0.2
0.65
–0.1
31
±0.2
24.4
±0.2
16.4
Type No.
Lot No.
±0.7
14×P2.03
123·······15
31.3
=28.42
±0.2
±1.0
1.15
3.2
+0.2
–0.1
±0.15
×3.8φ4.8
R-End
±0.2
1.7
2.45
0.55
4
±0.5
±0.7
6.7
(3)
±0.1
±0.2
+0.2
–0.1
(Unit: mm)
Epoxy resin package
±0.6
±0.6
3
4.6
+1
–0.5
9.7
±0.4
14×P2.03
123·······15
=28.42
±0.8
0.65
1.15
+0.2
–0.1
+0.2
–0.1
2.2
6.3
7.5
±0.4
±0.6
±0.6
±0.6
1.6
+0.2
–0.1
0.55
14
Forming number No. 853
Forming number No. 855
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