Brushless DC motor controller
Description
Philips Semiconductors Linear Products
Product specification
Brushless DC motor controller
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.
PIN CONFIGURATION
D1, N Packages
DATA 1 CLOCK 2 CE 3 24 V DD 23 PHASE
1H
FEATURES
• 8-bit DAC • Serial-to-parallel converter • Output pre-drivers • Entire switch mode conversion • Adaptable to 60° or 120° commutation • Overcurrent protection
APPLICATIONS
RESET 4 DAC REFIN 5
22 PHASE 1L 21 PHASE 20 PHASE 2L 19 PHASE 18 PHASE 3L 17 HS1 16 HS2
2H
OSCOUT 6 Rt/Ct 7 LOOP FILTER2 LOOP FILTER1 8 9
3H
FEEDBACK 10 INV 11 NON-INV 12
15 HS3 14 CURRENT SENSE 13 GND
TOP VIEW
• 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)
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
Philips Semiconductors Linear Products
Product specification
Brushless DC motor controller
NE/SA5570
BLOCK DIAGRAM
DATA CLOCK 1 DATA REGISTER 2 24 3 MR Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 VDD
CE
HS3 HS2 HS1 15 16 17
13 GND
23 PHASE 1H
D0 D1 D2 D3 D4 D5 D6 D7 D8
D8 CNTL
LDR
D7 D6 D5 D4 LCTL
22
PHASE 1L
DAC REGISTER LOAD MR Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8
REGISTER 21 DECODE LOGIC PHASE 2H
MR
Q8
Q7
Q6 Q5 Q4 PGO 120 BRAKE CMD BRAKE
RESET
4
20 PHASE 2L
BRAKE ENABLE LOCK ENABLE CW/CCW 20 21 22 23 24 25 26 27 5 DAC REF IN DAC 6 I SEN...
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