No. 6213-9/10

LB11817

Block Diagram

Note that the values of the external components shown here are reference values and are not guaranteed to be appropriate

in a given application.

3 k

Ω

S/S

SL

U+

U-

V+

V-

W+

W-

HB

W

V

U

W

V

U

25 mV

TC

50 mV

CLK

FG+

FG-

FGO

GND

DO

RF

U

V

1

FC

0.1

µF

W

PG

I+

I-

ID

VR

VP

D1 D2

B2

B1

0.47

µF

0.1

0.1

0.1

0.1

µF

µF

µF

µF

µF

100 k

Ω

FG

pattern

Control amplifier and

current limiter

Timing adjustment

Hall amplifier

Hall bias

Chip select

Reference

voltage

300/360 rpm selection

Divider

Speed discriminator

FG

amplifier

(

× 250)

Voltage boost circuit

OSC

TSD

Vref

V/I