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PDF SA5570 Data sheet ( Hoja de datos )

Número de pieza SA5570
Descripción Brushless DC motor controller
Fabricantes Philips 
Logotipo Philips Logotipo



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Philips Semiconductors Linear Products
Brushless DC motor controller
Product specification
NE/SA5570
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
ORDERING INFORMATION
DESCRIPTION
24-Pin Plastic Dual In-Line Package (DIP)
24-Pin Small Outline Large Package (SOL)
24-Pin Plastic Dual In-Line Package (DIP)
24-Pin Small Outline Large Package (SOL)
24-Pin Plastic Dual In-Line Package (DIP)
PIN CONFIGURATION
D1, N Packages
DATA 1
CLOCK 2
CE 3
RESET 4
DAC REFIN
OSCOUT
Rt/Ct
5
6
7
LOOP FILTER2 8
LOOP FILTER1 9
FEEDBACK 10
INV 11
NON-INV 12
24 VDD
23 PHASE1H
22 PHASE1L
21 PHASE2H
20 PHASE2L
19 PHASE3H
18 PHASE3L
17 HS1
16 HS2
15 HS3
14
CURRENT
SENSE
13 GND
TOP VIEW
NOTE:
1. Available in large SO (SOL) package only.
TEMPERATURE RANGE
0 to +70°C
0 to +70°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
ORDER CODE
NE5570N
NE5570D
SA5570N
SA5570D
SE5570N
DWG #
0412A
0173D
0412A
0173D
0412A
August 31, 1994
1151
853-1135 13721

1 page




SA5570 pdf
Philips Semiconductors Linear Products
Brushless DC motor controller
Product specification
NE/SA5570
TYPICAL PERFORMANCE CHARACTERISTICS
NE5570 Oscillator Frequency
vs Temperature
22.0
21.5 VCC = 12V
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 (oC)
101
100
10–1
Oscillator Frequency
vs RT and CT
TA = 25oC
RT = 5k
RT = 3k
RT = 2.49k
RT = 2k
RT = 1k
10–2
10–3
RT = 10k
RT = 20k
RT = 100K
10–4
10–2 10–1
100
101 102
OSCILLATOR FREQUENCY (kHz)
103
NE5570 Oscillator Frequency
vs Supply Voltage
5.000
.5000
/div
TA = 55oC
TA = +25oC
.0000
9.000
TA = +125oC
V1 .6000/div
(V)
15.00
VCC = (V)
NE5570 Oscillator Output
Pulse Width
2000
1900
VCC = 12V
1800
1700
1600
ON
1500
1400
OFF
1300
1200
1100
1000
–60 –40 –20 0 20 40 60 80 100 120
TEMP (oC)
NE5570 Op Amp Gain
vs Temperature
100
VCC = +5V
80
60
40
20
0
–60 –40 –20 0 20 40 60 80 100 120
TEMP (oC)
NE5570 Current Sense
Comparator Threshold
vs Temperature
600
500 VCC = 12V
400
300
200
100
0
–60–40 –20 0 20 40 60 80 100 120
TEMP (oC)
15
14
13
12
11
10
9
18
ICC vs VCC
TA = 25oC
19 20 21
FREQUENCY (kHz)
22
NE5570 Logic Threshold
Voltage vs Temperature
800
700 VCC = 12V
600
500
400
300
200
–60–40 –20 0 20 40 60 80 100 120
TEMP (oC)
August 31, 1994
1155

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