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Электронный компонент: SA5570

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Philips Semiconductors Linear Products
Product specification
NE/SA5570
Brushless DC motor controller
1151
August 31, 1994
853-1135 13721
DESCRIPTION
The NE/SA/SE5570 is a three-phase brushless DC motor controller
with a microprocessor-compatible serial input data port; 8-bit
monotonic digital-to-analog converter; PWM comparator; oscillator;
three Hall sensor inputs and six source/sink phase pre-drivers.
FEATURES
8-bit DAC
Serial-to-parallel converter
Output pre-drivers
Entire switch mode conversion
Adaptable to 60
or 120
commutation
Overcurrent protection
APPLICATIONS
Motor controller for three-phase brushless DC motor
Robotics
Computer peripherals
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
24
23
22
21
20
19
18
17
16
15
D
1
, N Packages
TOP VIEW
NOTE:
1. Available in large SO (SOL) package only.
DATA
CLOCK
CE
RESET
DAC REFIN
OSCOUT
Rt/Ct
LOOP FILTER2
LOOP FILTER1
FEEDBACK
INV
NON-INV
VDD
PHASE1H
PHASE1L
PHASE2H
PHASE2L
PHASE3H
PHASE3L
HS1
HS2
HS3
CURRENT
GND
SENSE
ORDERING INFORMATION
DESCRIPTION
TEMPERATURE RANGE
ORDER CODE
DWG #
24-Pin Plastic Dual In-Line Package (DIP)
0 to +70
C
NE5570N
0412A
24-Pin Small Outline Large Package (SOL)
0 to +70
C
NE5570D
0173D
24-Pin Plastic Dual In-Line Package (DIP)
-40
C to +85
C
SA5570N
0412A
24-Pin Small Outline Large Package (SOL)
-40
C to +85
C
SA5570D
0173D
24-Pin Plastic Dual In-Line Package (DIP)
-55
C to +125
C
SE5570N
0412A
Philips Semiconductors Linear Products
Product specification
NE/SA5570
Brushless DC motor controller
August 31, 1994
1152
BLOCK DIAGRAM
DAC REGISTER
1
2
3
DATA
CLOCK
CE
DATA REGISTER
MR Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10
D0 D1 D2 D3 D4 D5 D6 D7 D8
LOAD
MR Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8
RESET
DAC REF IN
4
5
OSC OUT
6
Rt/Ct
7
SAWTOOTH
GENERATOR
PWM
LOOP
FILTER
8
2
ERROR
AMP
LOOP FILTER
1
9
DAC
S
Q
R
CW/CCW
ENABLE
CNTL
D8
LDR
MR
Q8
REGISTER
D7 D6 D5 D4 LCTL
Q7
Q6
Q5
Q4 PGO 120
BRAKE CMD
BRAKE ENABLE
LOCK
BRAKE
CYCLE CMD
Q
R
S
I SENSE
COMP
+
OR AMP
HS3 HS2
HS1
15
16
17
DECODE LOGIC
24
13
23
VDD
PHASE 1H
22
21
20
PHASE 1L
PHASE 2H
PHASE 2L
19
18
PHASE 3H
PHASE 3L
0.5V
14
I SENSE
12
NON INV
INV
11
+
FDBK
10
20 21 22 23 24 25 26 27
GND
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
RATING
UNIT
SYMBOL
PARAMETER
NE5570
SA5570
SE5570
UNIT
Temperature range
T
A
Operating ambient
0 to 70
-40 to 85
-55 to 125
C
T
J
Operating junction
-55 to 150
-55 to 150
-55 to 150
C
T
STG
Storage
-65 to 150
-65 to 150
-65 to 150
C
V
DD
Power supply
16
16
16
V
Logic inputs, all
-0.3 to 15
-0.3 to 15
-0.3 to 15
V
Philips Semiconductors Linear Products
Product specification
NE/SA5570
Brushless DC motor controller
August 31, 1994
1153
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
RATING
UNIT
T
A
Ambient temperature range
NE Grade
0 to 70
C
SA Grade
-40 to 85
C
SE Grade
-55 to 125
C
T
J
Junction temperature range
NE Grade
0 to 90
C
SA Grade
-40 to 105
C
SE Grade
-55 to 145
C
V
DD
Supply voltage
9.6 to 14.4
V
DC ELECTRICAL CHARACTERISTICS
Limits apply at V
DD
=12V
10%, V
REF
=5V and over operating temperature range unless otherwise specified. Typical data applies at T
A
=25
C
SYMBOL
PARAMETER
TEST CONDITIONS
SA/NE5570
SE5570
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
Min
Typ
Max
Min
Typ
Max
UNIT
Oscillator
f
O
Frequency initial accuracy
T
A
=25
C, R
T
=2.49k
, C
T
=22nF
18.5
20
21
18.5
20
21
kHz
f
C
Frequency drift over temp
R
T
=2.49k
, C
T
=22nF
18
22
18
22
kHz
Supply voltage sensitivity
T
A
=25
C
2
2
%/V
Output pulse width
T
A
=25
C, R
T
=2.49k
, C
T
=22nF
500
1000
500
1000
ns
Motor Phase Pre-Drivers
t
R
Rise time
R
L
=2k
to Gnd, C
L
=2nF
[1V to 11V]
500
500
ns
t
F
Fall time
R
L
=2k
to V
CC
, C
L
=2nF
[1V to 11V]
500
500
ns
I
OUT
I
SOURCE
V
OH
=8V
80
80
mA
I
OUT
I
SINK
V
OL
=3.1V
80
80
mA
V
OH
I
SOURCE
=5mA
11
11.8
11
11.8
V
V
OUT
V
OH
I
SOURCE
=80mA (over temp)
8
10
8
10
V
V
OL
I
SINK
=5mA
0.4
1
0.4
1
V
V
OL
I
SINK
=80mA (over temp)
2
3.1
2
3.1
PWM Comparator
I
BIAS
Input bias current
1
1
A
Current Sense Comparator
I
BIAS
Input bias current
1
1
A
V
TH
Current sense trip level
350
500
600
350
500
600
mV
t
PD
Propagation delay to output
drivers
C
L
=2nF
250
250
ns
Error Amplifier
I
BIAS
Input bias current
1
1
A
V
CM
Input common-mode voltage
range
0
5
0
5
V
V
OL
Large-signal voltage gain
V
OUT
=1V to 11V
70
90
70
90
dB
PSRR
Power supply rejection ratio
60
60
dB
V
O
Output voltage swing
V
IN
=+50mV, I
L
=-150
A
V
IN
=-50mV, I
L
=+150
A
11.5
11.7
0.2
0.5
11.5
11.7
0.2
0.5
V
V
DC ELECTRICAL CHARACTERISTICS
(Continued) Limits apply at V
DD
=12V +10%, V
REF
=5V and over operating temperature range unless otherwise specified. Typical data applies at
T
A
=25
C.
Philips Semiconductors Linear Products
Product specification
NE/SA5570
Brushless DC motor controller
August 31, 1994
1154
SYMBOL
PARAMETER
TEST CONDITIONS
SA/NE5570
SE5570
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
Min
Typ
Max
Min
Typ
Max
UNIT
Operational Amplifier
V
OS
Offset voltage
-20
3
+20
-20
3
+20
mV
I
BIAS
Input bias current
1
1
A
V
CM
Input common-mode voltage
range
T
A
=25
C
Over temp.
-0.3
0
5
5
-0.3
0
5
5
V
V
OL
Large signal voltage gain
V
OUT
=1V to 11V
70
90
70
90
dB
PSRR
Power supply rejection ratio
60
90
60
90
dB
V
O
Output voltage swing
V
IN
=+50mV, I
L
=-150
A
V
IN
=-50mV, I
L
=+150
A
11.5
11.7
0.2
0.5
11.5
11.7
0.2
0.5
V
V
CMRR
Common-mode rejection ratio
R
S
=10k
60
80
60
80
dB
GBW
Gain bandwidth
R
F
=100k
250
250
kHz
V
NN
Input noise voltage
F=1kHz
300
300
nV/
Hz
Digital-to-Analog Converter
Resolution
8
8
bits
INL
Integral non-linearity error
1
2
1
2
LSB
DNL
Differential non-linearity error
1
0.5
1
0.5
1
LSB
V
FS
Full-scale gain error
Error amp. A
V
=1
0.2
0.8
0.2
0.8
%FS
Full-scale temperature drift
V
REF
T
C
=0ppm/
C
20
20
ppm/
C
V
ZS
Zero-scale offset error
Error amp. A
V
=1
1
2
1
2
LSB
Z
IN
Input impedance
(DAC ref. in)
30
45
60
30
45
60
k
t
S
Settling time to
0.5 LSB
5
5
s
t
PLH
Propagation delay time (high)
Through DAC
200
200
ns
t
PHL
Propagation delay time (low)
Through DAC
200
200
ns
Logic Inputs
V
IH
Input voltage: TTL high
2.0
12
2.0
12
V
V
IL
Input voltage: TTL low
0
0.8
0
0.8
V
I
IH
Input current: TTL high
1
1
A
I
IL
Input current: TTL low
1
1
A
Supply Current
I
DD
1.8
5.0
1.8
5.0
mA
NOTES:
1. Monotonicity guaranteed over operating temperature range.
Philips Semiconductors Linear Products
Product specification
NE/SA5570
Brushless DC motor controller
August 31, 1994
1155
TYPICAL PERFORMANCE CHARACTERISTICS
RT = 10k
RT = 20k
RT = 100K
RT = 5k
RT = 3k
RT = 2.49k
RT = 2k
RT = 1k
NE5570 Oscillator Frequency
vs Temperature
Oscillator Frequency
vs R
T
and C
T
NE5570 Oscillator Frequency
vs Supply Voltage
NE5570 Oscillator Output
Pulse Width
NE5570 Op Amp Gain
vs Temperature
NE5570 Current Sense
Comparator Threshold
vs Temperature
I
CC
vs V
CC
NE5570 Logic Threshold
Voltage vs Temperature
22.0
21.5
21.0
20.5
20.0
19.5
19.0
18.5
18.0
60 40 20
0
20 40
60 80 100 120
TEMP (
o
C)
FREQUENCY
(kHz)
VCC = 12V
TA = 25
o
C
101
100
101
102
103
104
102
101
100
101
102
103
OSCILLATOR FREQUENCY (kHz)
C ( F)
T
TA = 55
oC
TA = +25
oC
TA = +125
oC
5.000
.5000
/div
.0000
9.000
V1
.6000/div
(V)
15.00
VCC = (V)
I (MA) CC
2000
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
60 40 20 0
20 40
60 80 100 120
TEMP (
o
C)
THRESHOLD VOL
T
AGE (mV)
ON
OFF
VCC = 12V
100
80
60
40
20
0
60 40 20 0
20 40
60 80 100 120
TEMP (
o
C)
GAIN (dB)
VCC = +5V
6040 20 0
20 40
60 80 100 120
TEMP (
o
C)
VCC = 12V
600
500
400
300
200
100
0
CURRENT SENSE THRESHOLD (mV)
15
14
13
12
11
10
9
18
19
20
21
22
FREQUENCY (kHz)
SUPPL
Y
VOL
T
AGE (V)
TA = 25
o
C
VCC = 12V
6040 20 0
20 40
60 80 100 120
TEMP (
o
C)
800
700
600
500
400
300
200
PULSE WIDTH (ns)