Philips Semiconductors Linear Products Product specification
NE/SA5570Brushless 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
D1, N Packages
TOP VIEW
NOTE:
1. Available in large SO (SOL) package only.
DATA
CLOCK
CE
RESET
DAC REF
IN
OSC
OUT
Rt/Ct
LOOP FILTER
2
LOOP FILTER
1
FEEDBACK
INV
NON-INV
V
DD
PHASE
1H
PHASE
1L
PHASE
2H
PHASE
2L
PHASE
3H
PHASE
3L
HS
1
HS
2
HS
3
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/SA5570Brushless 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
V
DD
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
202122232425262
7
GND
ABSOLUTE MAXIMUM RATINGS
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