2-ph Stepper-motor Driver ICs SPF7211
Features
Low output saturation voltage (high-side: 1.5V max.; low-side: 0.8V max.)
Built-in recovery diode
Built-in standby function
Built-in overcurrent and thermal protection circuits and low voltage input shutoff function
Built-in overload and disconnection detection function
External Dimensions
(unit: mm)
17.28
±0.2
15.58
±0.2
24
13
1.0
–0.05
Fin
thickness
+0.1
Parameter
Main power supply voltage
Input voltage
Output current
Flag terminal withstand voltage
Flag terminal current
Detect voltage
Power dissipation
Junction temperature
Operating temperature
Storage temperature
Symbol
V
BB
V
IN
Io
IoPeak
V
Flag
I
Flag
V
Rs
P
D
Tj
Top
Tstg
Ratings
40
–0.3 to 15
±0.8
±1.0
7
3
–2 to 2
4.1
39
150
–40 to 110
–40 to 150
Unit
V
V
A
V
mA
V
W
°C
°C
°C
Remarks
V
IN
V
BB
1
1.27
±0.25
+0.15
0.4
0.05
12
2.5
±0.2
2
±0.2
Absolute Maximum Ratings
b
T
w
1mS
V
Flag
V
BB
For Ta = 25°C
*
1
For Tc (Ttab) = 25°C
0.25
0.05
+0.15
a) Part No.
b) Lot No.
Note:
*
1: With glass epoxy + copper foil board (size 5.0•7.4cm; t: glass epoxy = 1.6mm /copper foil = 18µm)
Recommended Operation Range
Parameter
Main power supply voltage
Input voltage
Output current
Flag terminal withstand voltage
Flag terminal current
Detect voltage
Operating temperature
Standard Circuit Diagram
Ratings
6 to 18
–0.3 to 7.0
±0.5
0 to 7.0
0 to 1.0
–1 to 1
–40 to 110
Unit
V
V
A
V
mA
V
°C
Remarks
V
IN
V
BB
Continuous
V
Flag
V
BB
µPC
(ECU)
Rs
Electrical Characteristics
Parameter
Main power supply current
Low voltage protection operation voltage
UVLO hysteresis voltage
Output leak current
Symbol
I
BB
I
BBS
V
UVLO
V
UVLOhys
IoleakL
IoleakH
VsatL
min
Ratings
typ
3.5
0.5
–100
max
50
50
4.5
Unit
mA
µA
V
V
µA
µA
V
V
V
V
V
V
V
V
V
V
µA
µA
µA
µA
mV
mV
mV
kHz
kHz
V
V
µA
µA
V
V
V
V
mV
µA
V
mA
µS
µS
Hz
µS
µS
µS
µS
µS
µS
µS
µS
µS
µS
µS
µS
µS
°C
°C
°C
°C
Conditions
In ordinary operation (no load)
At sleep
Ct
2200pF
Output saturation voltage
VsatH
Recovery diode forward voltage
Input voltage
Hysteresis voltage
Ph terminal
Input current
V
F
L
V
F
H
V
F
GO
V
IL
V
IH
V
Ihys
I
IL
I
IH
I
IL
I
IH
VRs
Fosc
F
PWM
VctL
VctH
Ictsink
Ictsouce
VocpL
VocpH
VocpL
VocpH
Vopen
Ileak
Flag
V
Flag
L
I
Flag
Tpw
Tpws
Fclock
Pulse
tocp1
tocp2
tocp3
topen1
topen2
tonH1
toffH1
tonH2
toffH2
tonL1
toffL1
tonL2
toffL2
Tj
∆Tj
Talarm
∆Talarm
100
0.5
0.8
1.2
1.5
1.2
1.3
1.2
0.8
2.0
0.5
–5
–5
–30
660
420
40
28.8
14.4
700
450
70
48
24
0.5
1.5
720
–120
3.0
V
BB
–2.0
5
5
50
740
480
90
72
36
V
BB
= 40V, Vo = 0V
V
BB
= Vo = 40V
Io = 0.5A
Io = 0.8A
Io = –0.5A
Io = –0.8A
Io = 0.5A
Io = –0.5A
Io = –0.5A
2-phase excitation
Clock
Ph1
I10, I11
Ph2
I20, I21
0
L
H
L
H
Excitation Signal Time Chart
1
H
H
L
H
2
H
H
H
H
3
L
H
H
H
0
L
H
L
H
1
H
H
L
H
1 to 2-phase excitation
Clock
Ph1
I10, I11
Ph2
I20, I21
0
L
H
L
H
1
H
L
L
H
2
H
H
L
H
3
H
H
H
L
4
H
H
H
H
5
L
L
H
H
6
L
H
H
H
7
L
H
L
L
0
L
H
L
H
1
H
L
L
H
2
H
H
L
H
3
H
H
H
L
Input terminal
Ixx, Set terminals Input current
Detect voltage
Oscillation frequency
PWM frequency
Ct terminal threshold voltage
Ct terminal current
VIL = 0.8V
VIH = 2.0V
Ix0 = High, Ix1 = High
Ix0 = Low, Ix1 = High
Ix0 = High, Ix1 = Low
Ct = 2200pF±20%
Ct = 2200pF±20%
* For the 1 to 2-phase excitation application, switch the Ph signal in the step of 1-ph
excitation (Ixx turns from high to low).
The OPEN detection function is invalid except in this sequence.
*
1
Out voltage
Out voltage
V
BB
= 5.5V
V
BB
= 5.5V
Sence voltage
V
Flag
= 7V
I
Flag
= 1mA
In ordinary operation
At sleep
Ct = 2200pF
In ordinary operation; Ct = 2200pF
At switching the phase
When Ixx shifts from L to H
In ordinary operation
When Ixx shifts from L to H
Overcurrent detection voltage
Open detection voltage
Flag terminal leak current
Flag terminal saturation voltage
Flag terminal current
Response pulse
width
Set terminal
Pulse rate
Pulse number
Flag response
time
OCP operation
Open operation
1.5
V
BB
–2.5
1.0
V
BB
–2.3
4.2
V
BB
–1.7
1.85
V
BB
–1.5
10
0.5
3
–60
10
100
17
2.5
5.0
5.0
2.5
2.5
24
256
5.0
10.0
10.0
5.0
5.0
1.5
1.5
31
10.0
20.0
20.0
10.0
10.0
I/O propagation time
100
100
2.0
0.5
100
100
150
120
20
130
20
140
Thermal protection temperature
Thermal protection hysteresis
Thermal alarm temperature
Thermal alarm hysteresis
*
2
58
Note:
*
1: The Ct terminal threshold voltage and current are the design values. Warranty is based on the oscillation frequency.
*
2: Thermal protection and alarm temperatures are design values.
I11
Ph1
Ct
Set
GND
GND
GND
Out1A
Rs1
V
BB
12
Out1B
Symbol
V
BB
V
IN
Io
V
Flag
I
Flag
V
Rs
Top
I20
24
I21
Ph2
FL1
GND
GND
GND
GND
Out2A
Rs2
FL2
Out2B
13
SPM
1
I10
Rs
V
BB
= 6 to 18V
+
Rs 1Ω typ (1 to 2W)
IoM VRs/Rs
10.5
±0.3
7.5
±0.2
a
Home Index Pages Text
Previous Next
Pages: Home Index