tda5145ts-c1 NXP Semiconductors, tda5145ts-c1 Datasheet - Page 3
tda5145ts-c1
Manufacturer Part Number
tda5145ts-c1
Description
Brushless Dc Motor Drive Circuit
Manufacturer
NXP Semiconductors
Datasheet
1.TDA5145TS-C1.pdf
(20 pages)
Philips Semiconductors
BLOCK DIAGRAM
1998 Oct 27
handbook, full pagewidth
Brushless DC motor drive circuit
CAP-DC
CAP-CD
CAP-ST
CAP-TI
TEST
DIR
14
13
12
3
15
9
PROTECTION
THERMAL
TDA5145TS
COMMUTATION
OSCILLATOR
DIRECTION
ADAPTIVE
CONTROL
START-UP
TIMING
DELAY
GND2
Fig.1 Block diagram.
10
BRAKE
BRAKE
COMMUTATION
8
GND1
LOGIC
23, 24
3
RESET
RESET
18
V P
11
EMF COMPARATORS
VMOT
OUTPUT DRIVER
OUTPUT DRIVER
D L
6, 7
STAGE 2
STAGE 3
D H
PUSH/PULL
OUTPUT
STAGE 1
DRIVER
FLYBACK
TDA5145TS
Product specification
MGR391
1, 2
4, 5
20,
21
22
MOT1
MOT2
MOT3
MOT0
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