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TDA5146T Datasheet(PDF) 11 Page - NXP Semiconductors

Part No. TDA5146T
Description  Brushless DC motor drive circuit
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 11 page
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Philips Semiconductors
Product specification
TDA5146T
Brushless DC motor drive circuit
1994 May 18
11
SL01521
COMMUTATION
LOGIC
START-UP
OSCILLATOR
TIMING
THERMAL
PROTECTION
DIVIDE
BY 2
ADAPTIVE
COMMUTATION
DELAY
DIRECTION
CONTROL
BRAKE
RESET
BRAKE
RESET
EMF COMPARATORS
MOTOR
ROTATION
SPEED/
DETECTOR
OUTPUT
STAGE
4.7
k
W
+5 V
TEST
10 nF
18 nF
18 nF
220 nF
FG to
micro–
processor
DIR
FET DRIVER
STAGE
PWM_IN
PWMOUT
MOSFET P
128
mH
8.1
mF 100 mF
100
mF
+
++
SCHOTTKY
TDA5146T
VSUP
Figure 7. Typical Application diagram of the TDA5146T with use of the FET driver stage




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