LS7262 查看數據表（PDF） - LSI Corporation

零件编号

产品描述 (功能)

生产厂家

LS7262

BRUSHLESS DC MOTOR COMMUTATOR/CONTROLLER

LSI Corporation  

CS1 1

CS2 20

FWD/REV 19

S1 15

S2 16

S3 17

BRAKE 9

+V

COMMUTATION

SEQUENCE

4

SELECT LOGIC

+V

INPUT

DECODER

8

OUTPUT

ENCODER

COMMON

5

6

OUTPUT

DRIVERS

2 O1

3 O2

4 O3

6 O4

7 O5

8 O6

ENABLE 10

R

POSITIVE

EDGE

DETECTOR

RQ

OVERCURRENT

SENSE

12

R

+

S

-

POSITIVE EDGE

DETECTOR

V TRIP 13

-

+V

+

+V

.001µF

33K

14

SAWTOOTH

OSCILLATOR

NOTE: With indicated components,

oscillator frequency is approximately 30KHz.

GND

FIGURE 6. LS7260 AND LS7262 BLOCK DIAGRAM AM

11 VSS

18 VDD

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