SE5570 datasheet(2/5 Pages) PHILIPS

Part #	SE5570

Description	Brushless DC motor controller

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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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

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

TA

Operating ambient

0 to 70

-40 to 85

-55 to 125

°C

TJ

Operating junction

-55 to 150

°C

TSTG

Storage

-65 to 150

°C

VDD

Power supply

16

V

Logic inputs, all

-0.3 to 15

V

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