Datasheet

ManualsBrandsSTMICROELECTRONICS ManualsPMICsPMIC - motor controllers Half-bridge (3) Parallel SO 24

15/25

L6229

Figure 18. Tachometer Speed Control Loop.

Figure 19. t

PULSE

versus C

PUL

and R

PUL

.

C

REF2

R

PUL

C

PUL

R

DD

R

3

R

2

R

1

C

1

C

REF1

VREF

TACHO

H

1

TACHO

MONOSTABLE

RCPULSE

V

DD

V

REF

R

4

110100

10

100

1

.

10

3

1

.

10

4

Cpul [nF]

tpulse [µs]

R

PUL

= 100k

Ω

R

PUL

= 47k

Ω

R

PUL

= 20k

Ω