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Компоненты Описание
L6269 Просмотр технического описания (PDF) - STMicroelectronics
Номер в каталоге
Компоненты Описание
производитель
L6269
12V DISK DRIVE SPINDLE & VCM, POWER & CONTROL “COMBO”
STMicroelectronics
L6269 Datasheet PDF : 17 Pages
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L6269
BLOCK DIAGRAM
CS
SW1
SDATA
SCLK
SDEN
TR_12V
TR_5V
CHARGE
PUMP
FREQUENCY
LOCK LOOP
SPINDLE SEQUENCER
ISO
DRIVER
SERIAL
INTERFACE
START-UP
REGISTERS
BEMF
PROCESSING
RE_SYNC
DYNAMIC/
REVERSE
BRAKE
VCM CURRENT
CONTROL PSM/LIN
ZERO CROSS
DETECTION
SPINDLE
CURRENT
CONTROL
PWM/LIN
PARKING
VCM
CALIBRATION
BEMF
RECTIFICATION
SUPPLY
FAULT
MONITORS
THERMAL
SUPPLY
14 BIT
REFERENCE
VOLTAGE
+
-
VCM DAC
GENERATOR
A
OUT_A
CTAP
B
OUT_B
RSENSE
C
OUT_C
ISENSE
A+
A-
-
A=4
+
VCM_A+
VCC
VCM_A-
VCM_GND
SENSE_IN-
SENSE_IN+
D99IN1042
PIN CONNECTION
2/17
FCOM
CTAP
PWM/SLEW
OUT_C
I_SENSE
R_SENSE
OUT_B
GND
R_SENSE
OUT_A
INDEX
44 43 42 41 40 39 38 37 36 35 34
1
33
2
32
3
31
4
30
5
29
6
28
7
27
8
26
9
25
10
24
11
23
12 13 14 15 16 17 18 19 20 21 22
SW1
FLL_RES
VCC
VCM_A+
SENSE_IN-
VCM_GND
SENSE_IN+
VCM_A-
VCC
CS
CP
D98IN847
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