MC33033(2007) Просмотр технического описания (PDF) - ON Semiconductor

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Компоненты Описание

производитель

MC33033
(Rev.:2007)

Brushless DC Motor Controller

ON Semiconductor 

MC33033, NCV33033

SA 4

20 k

Sensor Inputs SB 5

20 k

SC 6

Forward/Revers

3

e

18

60°/120° Select

20 k

40 k

40 k

Rotor

Position

Decoder

Output Enable

19

VCC 14

Reference Output

7

40 k

Reference

Regulator

Undervoltage

Lockout

8.9 V

Noninv. Input 9 Error Amp

Faster

10

RT

11

PWM

Error Amp Out

PWM Input

8

CT

Oscillator

Sink Only

=

Positive True

Logic With

Hysteresis

4.5 V

Thermal

Shutdown

Latch

R

Q

S

Latch

S

Q

R

13 Gnd

ILimit

100 mV

Figure 19. Representative Block Diagram

VM

2

AT

1

Top

BT

Drive

Outputs

20

CT

17 AB

16

Bottom

BB Drive

Outputs

15 CB

12 Current Sense

Input

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11

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