參數(shù)資料
型號: TDF5242T
廠商: NXP SEMICONDUCTORS
元件分類: 運動控制電子
英文描述: Brushless DC motor drive circuit
中文描述: BRUSHLESS DC MOTOR CONTROLLER, 0.25 A, PDSO28
封裝: 7.50 MM, PLASTIC, SO-28
文件頁數(shù): 3/20頁
文件大?。?/td> 108K
代理商: TDF5242T
1997 Sep 12
3
Philips Semiconductors
Preliminary specification
Brushless DC motor drive circuit
TDF5242T
BLOCK DIAGRAM
Fig.1 Block diagram.
handbook, full pagewidth
MGG988
TRANS-
CONDUCTANCE
AMPLIFIER
START-UP
OSCILLATOR
ADAPTIVE
COMMUTATION
DELAY
ROTATION
SPEED
AND
DETECTOR
OUTPUT
STAGE
TIMING
COMMUTATION
LOGIC
THERMAL
PROTECTION
OUTPUT DRIVER
STAGE
OUTPUT DRIVER
STAGE
OUTPUT DRIVER
STAGE
OUTPUT DRIVER
STAGE
OUTPUT DRIVER
STAGE
EMF COMPARATORS
DIRECTION
LOGIC
TDF5242T
BRAKE
LOGIC
19
21
6
20
16
15
14
8
18
10
7
DIR
BRAKE
GND2 GND1
VP
9
11
3
26
24
23
22
5
4
2
1
28
27
13
MOT0
COMP-C
COMP-B
COMP-A
OUT-NC
OUT-PC
OUT-PB
OUT-NB
OUT-PA
OUT-NA
OUTPUT DRIVER STAGE
AMP OUT
VMOT
+
AMP IN
AMP IN
CAP-ST
CAP-DC
CAP-CD
TEST
CAP-TI
FG
n.c.
12, 17, 25
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