2-ph Stepper-motor Driver ICs SPF7211

2-ph Stepper-motor Driver ICs SPF7211
External Dimensions (unit: mm)
● 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
17.28±0.2
Flag terminal withstand voltage
Flag terminal current
Detect voltage
Power dissipation
Junction temperature
Operating temperature
Storage temperature
a
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
PD
Tj
Top
Tstg
Unit
V
V
A
V
mA
V
W
Remarks
VIN
2±0.2
b
Symbol
VBB
VIN
Io
IoPeak
VFlag
IFlag
VRs
10.5±0.3
Fin
thickness
1
12
+0.15
1.27±0.25
VBB
0.4 – 0.05
2.5±0.2
Output current
1.0 –0.05
13
Absolute Maximum Ratings
Parameter
Main power supply voltage
Input voltage
+0.1
15.58±0.2
24
7.5±0.2
Features
Tw 1mS
VFlag VBB
+0.15
0.25– 0.05
a) Part No.
b) Lot No.
For Ta = 25°C * 1
For Tc (Ttab) = 25°C
°C
°C
°C
Note: *1: With glass epoxy + copper foil board (size 5.0•7.4cm; t: glass epoxy = 1.6mm /copper foil = 18µm)
Standard Circuit Diagram
Recommended Operation Range
Unit
V
V
A
V
mA
V
°C
Rs
Remarks
VIN VBB
Continuous
VFlag VBB
I20 24
I21
Ph2
FL1
GND
GND
GND
GND
Out2A
Rs2
FL2
Out2B 13
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
µPC
(ECU)
SPM
Electrical Characteristics
Parameter
Main power supply current
Low voltage protection operation voltage
UVLO hysteresis voltage
Output leak current
Symbol
IBB
IBBS
VUVLO
VUVLOhys
IoleakL
IoleakH
min
Ratings
typ
3.5
–100
100
0.5
0.8
1.2
1.5
1.2
1.3
Output saturation voltage
VsatH
Recovery diode forward voltage
Input terminal
Input voltage
Hysteresis voltage
Ph terminal
Input current
Ixx, Set terminals Input current
Detect voltage
VRs
Oscillation frequency
PWM frequency
Ct terminal threshold voltage
Ct terminal current
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
I/O propagation time
Thermal protection temperature
Thermal protection hysteresis
Thermal alarm temperature
Thermal alarm hysteresis
58
V FL
V FH
VFGO
VIL
VIH
VIhys
IIL
IIH
IIL
IIH
Fosc
FPWM
VctL
VctH
Ictsink
Ictsouce
VocpL
VocpH
VocpL
VocpH
Vopen
IleakFlag
VFlagL
IFlag
Tpw
Tpws
Fclock
Pulse
tocp1
tocp2
tocp3
topen1
topen2
tonH1
toffH1
tonH2
toffH2
tonL1
toffL1
tonL2
toffL2
Tj
∆Tj
Talarm
∆Talarm
Rs
max
50
50
4.5
0.5
VsatL
1.2
0.8
2.0
0.5
–5
–5
–30
660
420
40
28.8
14.4
1.5
VBB–2.5
1.0
VBB–2.3
5
5
700
450
70
48
24
0.5
1.5
720
–120
3.0
VBB–2.0
50
740
480
90
72
36
4.2
VBB–1.7
1.85
VBB–1.5
–60
10
0.5
3
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
100
100
2.0
0.5
100
100
150
120
20
130
20
I11
Ph1
Ct
Set
GND
GND
GND
Out1A
Rs1
VBB
12 Out1B
Symbol
VBB
VIN
Io
VFlag
IFlag
VRs
Top
1 I10
Parameter
Main power supply voltage
Input voltage
Output current
Flag terminal withstand voltage
Flag terminal current
Detect voltage
Operating temperature
140
Unit
Conditions
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
In ordinary operation (no load)
At sleep
VBB = 40V, Vo = 0V
VBB = Vo = 40V
Io = 0.5A
Io = 0.8A
Io = –0.5A
Io = –0.8A
Io = 0.5A
Io = –0.5A
Io = –0.5A
Ct
2200pF
Rs 1Ω typ (1 to 2W)
IoM VRs/Rs
2-phase excitation
Clock
Ph1
I10, I11
Ph2
I20, I21
*1
Out voltage
Out voltage
VBB = 5.5V
VBB = 5.5V
Sence voltage
VFlag = 7V
IFlag = 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
*2
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.
Excitation Signal Time Chart
0
L
H
L
H
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
VIL = 0.8V
VIH = 2.0V
Ix0 = High, Ix1 = High
Ix0 = Low, Ix1 = High
Ix0 = High, Ix1 = Low
Ct = 2200pF±20%
Ct = 2200pF±20%
VBB = 6 to 18V
+
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
* 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.
2-ph Stepper-motor Driver ICs SPF7211
Electrical Characteristics
■ Vsat Temperature Characteristics (Io=0.5A)
■ Diode VF Characteristics (IF=0.5A)
1.7
VFGO
VsatH
1
0.8
0.6
0.4
VsatL
1.5
Forward voltage VF (V)
Saturation voltage Vsat (V)
1.2
0.2
1.3
1.1
VFH
0.9
VFL
0.7
0
–30 –10 10
30 50
0.5
–30 –10 10
70 90 110 130 150
Junction temperature (ºC)
■ OSC Temperature Characteristics
70 90 110 130 150
■ Ta-PD Characteristics
55
40
Infinite heatsink equivalent
(Tc=25°C)
j-tab 3.2°C/W
53
FOSC
51
49
47
Power dissipation PD (W)
Oscillation frequency FOSC (kHz)
30 50
Junction temperature (ºC)
30
20
10 Copper foil area
(5.0•7.4mm, t=18µm)
j-a 30.5°C/W
Ct=2200pF
45
–30 –10 10
30 50
70 90 110 130 150
Junction temperature (ºC)
0
0
25
50
75
100
125
150
Ambient temperature Ta (ºC)
59