TDA5146T Philips Semiconductors, TDA5146T Datasheet - Page 11

• Manufacturer Part Number: TDA5146T
• Description: Brushless DC motor drive circuit
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1994 May 18
Brushless DC motor drive circuit
processor
micro–
FG to
PWM_IN
220 nF
18 nF
18 nF
10 nF
TEST
+5 V
4.7
k
100 mF
Figure 7. Typical Application diagram of the TDA5146T with use of the FET driver stage
+
PROTECTION
THERMAL
VSUP
DETECTOR
ROTATION
TDA5146T
OUTPUT
SPEED/
STAGE
MOSFET P
PWMOUT
COMMUTATION
OSCILLATOR
FET DRIVER
ADAPTIVE
DIRECTION
START-UP
CONTROL
DELAY
STAGE
TIMING
DIVIDE
BY 2
DIR
SCHOTTKY
11
128 mH
BRAKE
BRAKE
COMMUTATION
LOGIC
8.1 mF 100 mF
RESET
RESET
+
+
EMF COMPARATORS
TDA5146T
SL01521
Product specification
MOTOR