Sanken Electric Co SI-7600 Datasheet
Star Connection/Delta Connection
SI-7600/SI-7600D
3-Phase Stepper Motor Driver ICs
■Absolute Maximum Ratings
Parameter Symbol Ratings Units
Load supply voltage VBB 50 V
Logic supply voltage VCC 7V
Input voltage VIN −0.3 to VCC V
Reference input voltage VREF −0.3 to VCC V
Sense voltage Vsense 1.5 V
Package power dissipation PD 1W
Junction temperature Tj −20 to +85 °C
Operating temperature Top +125 °C
Storage temperature Tstg −55 to +125 °C
■Recommended Operating Voltage Ranges
Parameter Symbol Ratings Units
Load supply voltage VBB 15 to 45 V
Logic supply voltage VCC 3 to 5.5 V
Reference input voltage VREF 0.2 to Vcc−2V
(Ta=25°C)
■Electrical Characteristics
Parameter Symbol
Load supply voltage VBB 15 45 V
Logic supply voltage VCC 3.0 5.5 V
VOL1 815V
Output voltage
Load supply current IBB 25 mA VCC=5.5V
Logic supply current ICC 10 mA VCC=5.5V
Logic input voltage
Logic input current
Maximum clock frequency F
PFD input voltage VMix 0.7 1.3 V
PFD input current IPFD ±50
Reference input voltage VREF 0VCC−2V
Reference input current IREF ±10
Sense voltage
RC source current IRC 220
Off time Toff 1.1×Rt×Ct Sec.
VOL2 01V
V
OH1 VBB−15 VBB−8V
VOH2 VBB−1VBB V
V
IH 3.75 V
VIL 1.25 V
I
IH 20
IIL −20
VSlow 1.7 VCC V
VFast 0.3 V
V
S1 VREF×0.2 V Mode=VCC, VREF=0~VCC−2V
VS2 VREF×0.17 V Mode=0V, A VREF=0~VCC−2V
min typ max
200
100 Edge=VCC
Ratings
Units Conditions
µ
AVIN=VCC×0.75
µ
AVIN=VCC×0.25
kHz
µ
A
µ
AVREF=0~Vcc−2V
µ
A
Edge=0V
SI-7600/SI-7600D
98
3-Phase Stepper Motor Driver ICs (Star Connection/Delta Connection)
■Internal Block Diagram/Diagram of Standard External Circuit
SI-7600/SI-7600D
C7 C1
Control signal
R5
Vcc
Reference constants
Rs:0.1 to 1Ω
(1 to 5W)
Rt:15k to 75kΩ
Ct:420p to 1100pF
+ +
C3
Clock
CW/CCW
Reset
F/H
Ena
Edge
Mode
R1 REF
R2
C5
Vcc
Control
Logic
1/5
Buffer
Vcc
C1:10 F/10V
µ
C2:100 F/63V
µ
C3 to C6:0.01 to 1 F
C7:1000pF
Current
Control
PFD RC GND
µ
Pri-
Buffer
RtR4R3CtC6
BB
V
R1+R2≤10kΩ
(V
R3+R4≤10kΩ
(V
C4
C2
OHA
OHB
OHC
OLA
OLB
OLC
Sense
Rs
REF
:0.2 to VCC2-2V)
PFD
:0 to VCC2)
MOS Array
ex.
SLA5017 at 4A max
SLA5059 at 4A max
SLA5060 at 6A max
Io
SLA5061 at 10A max
(Sanken)
R5:10kΩ
■Terminal Connection
The package shapes of SI-7600 and SI-7600D are different, however the terminal connection is the same.
U
V
W
PFD RC
S VBB
Vcc OHA
Reset OHB
CW/CCW
OHA
EDGE OLA
CK OLB
F/H OLC
Ena GND
Mode REF
Pin No. Name Pin No. Name Pin No. Name
Pin1 PFD Pin8 Full/Half Pin15 OLA
Pin2 Sense Pin9 Enable Pin16 OHC
Pin3 Vcc Pin10 Mode Pin17 OHB
Pin4 Reset Pin11 REF Pin18 OHA
Pin5 CW/CCW Pin12 GND Pin19 VBB
Pin6 Edge Pin13 OLC Pin20 RC
Pin7 Clock Pin14 OLB
■External Dimensions (Unless specified otherwise, all values are typical)
SI-7600DSI-7600
20
1
0.89
1.27 max
0.8 max
12.6
1120
5.5
101
2.2
max
7.8
24.50
1.30
(Units: mm)
11
6.30
10
7.62
0.70.41.27
0.51 min
0.482.54
2.54 min5.08 max
0° to 15°
0.25
SI-7600/SI-7600D
99
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