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L7200 の電気的特性と機能

L7200のメーカーはSTMicroelectronicsです、この部品の機能は「MOZART/ 12V DISK DRIVE SPINDLE & VCM/ POWER & CONTROL COMBO」です。


製品の詳細 ( Datasheet PDF )

部品番号 L7200
部品説明 MOZART/ 12V DISK DRIVE SPINDLE & VCM/ POWER & CONTROL COMBO
メーカ STMicroelectronics
ロゴ STMicroelectronics ロゴ 




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L7200 Datasheet, L7200 PDF,ピン配置, 機能
L7200
MOZART, 12V DISK DRIVE SPINDLE & VCM, POWER &
CONTROL “COMBO”
PRODUCT PREVIEW
GENERAL
s 12V (+/- 10%) OPERATION.
s REGISTER BASED ARCHITECTURE
s MINIMUM EXTERNAL COMPONENTS
s BCD TECHNOLOGY
MULTIPOWER BCD TECHNOLOGY
VCM DRIVER
s 1.7A DRIVE CAPABILITY
s 0.75TOTAL BRIDGE IMPEDANCE AT 125°C
s LINEAR MODE
s PHASE SHIFT MODULATION (PWM MODE)
s INSTANTANEOUS, (GLICH FREE) SWITCH
s BETWEEN THE 2 MODES.
s CLASS AB OUTPUT DRIVERS
s ZERO CROSSOVER DISTORSION
s 14 BIT DAC DEFINE OUTPUT CURRENT
s SELECTABLE TRANSCONDUCTANCE
s RAMP LOADING & PARKING VOLTAGE
s FULL INTERNAL VCM CALIBRATION
s DYNAMIC BRAKE
SPINDLE DRIVER
s 2.5A DRIVE CAPABILITY
s 0.75TOTAL BRIDGE IMPEDANCE AT
125°C
s SMOOTHDRIVE™ ARCHITECTURE
s SINUSOIDAL DRIVING, VOLTAGE MODE
s BIPOLAR DRIVING
s BEMF, INTERNAL OR EXTERNAL,
PROCESSING
s SENSOR-LESS MOTOR COMMUTATION
s PROGRAMMABLE COMMUTATION DELAY
s FIXED FREQUENCY PWM OPERATION
MODE
s INTERNAL FREQUENCY LOCKED LOOP
SPEED CONTROL (FLL)
s PROGRAMMABLE DIGITAL FILTER FOR
SPEED CONTROL LOOP
s BEMF RECTIFICATION DURING RETRACT
s BUILT-IN INDUCTIVE SENSING START UP
s DYNAMIC & REVERSE BRAKE
s BACK ROTATION DETECTION
TQFP64
ORDERING NUMBER: L7200
OTHER FUNCTIONS
s 12V, 5V , 3.3V AND 2.5V MONITORING WITH
POSSIBLE EXTERNAL SET TRIP POINTS
AND HYSTERESIS
s POWER UP/DOWN SEQUENCING
s 8V, 3.3V AND 2.5V POSITIVE REGULATORS
s 3.3V LOGIC COMPATIBILITY
s SHOCK SENSOR DETECTOR
s INTERNAL POR DELAY TIME AT POWER ON
(80ms)
s INTERNAL ISOFET FOR BEMF
RECTIFICATION
s THERMAL SHUTDOWN AND PRETHERMAL
WARNING
DESCRIPTION
The L7200 Mozart integrates into a single chip both
spindle and VCM controllers as well as power stag-
es. The device is designed for 12V disk drive appli-
cation requiring up to 2.5A of spindle and 1.7A of
VCM peak currents. The device is based on the sinu-
soidal driving of the spindle motor. This is realized
digitally by the SMOOTHDRIVE™ SYSTEM.
A serial port with up to 40 MHz capability provides
easy interface to the microprocessor. A register con-
trolled Frequency Locked Loop (FLL) allows flexibility
in setting the spindle speed. Integrated BEMF pro-
cessing, digital filter, digital masking, digital delay,
and sequencing minimize the number of external
components required.
September 1999
This is preliminary information on a new product now in development. Details are subject to change without notice.
1/23

1 Page





L7200 pdf, ピン配列
SPINDLE SMOOTHDRIVE™ ARCHITECTURE, START-UP & FLL
A/D 7bit
6bit
MEMORY AND
MEMORY SCAN
8bit
BIPOLAR /
TRIPHASE
SPIN-UP
TORQUE
OPTIMIZER
FEED
FORWARD
DIGITAL
MULTIPLIER
8bit
PWM A
BYTE TO
3x
PWM
PWM B
9bit CONVERTER
9bit
Resolution
PWM C
10bit
10bit
KFLL d
REGISTER
DIGITAL
FILTER
12bit
FLL
10bit
3x 2x
10bit 12bit
INDUCTIVE
SENSE
SERIAL PORT
FREQUENCY
MULTIPLIER
Z.C.
BEMF
DETECTION
L7200
PIN CONNECTION (Top view)
VCM_A+
VCM_A+
VCM_GND
VCM_GND
VCM_A-
VCM_A-
OUT_A
OUT_A
RSENSE
RSENSE
OUT_B
OUT_B
RSENSE
RSENSE
OUT_C
OUT_C
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
49 32
50 31
51 30
52 29
53 28
54 27
55 26
56
L7200
25
57
"MOZART"
24
58 23
59 22
60 21
61 20
62 19
63 18
64 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
DAC_OUT
PORB
VREG3.3_IN
VREG3.3_DRV
VREG2.5_IN
VREG2.5_DRV
RBIAS
AVCC
AGND
TR_12V
TR_5V
TR_3.3V
TR_2.5V
SSIN
SSBUFOUT
SSFIN
3/23


3Pages


L7200 電子部品, 半導体
L7200
THERMAL DATA
Symbol
Parameter
θ(jc)
Thermal resistance Junction to case
θ(ja)* Thermal resistance Junction to ambient
Ptot* Maximum Total Power Dissipation
Tstg,Tj Maximum storage/junction temperature
* In typical application with multilayer 120x120mm Printed Circuit Board.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Vdd Supply Voltage
Vcc Logic Supply Voltage
Tamb Operating Ambient Temperature
Tj Junction Temperature
Value
11
40
2.0
-40 to 150
Unit
°C/Watt
°C/Watt
Watt
°C
Value
10.8 to 13.2
4.5 to 5.5
0 to 70
0 to 125
Unit
V
V
°C
°C
ELECTRICAL CHARACTERISTCS
All specifications are for 0<Tamb<70°C, VCC=12V, VDD=5V, unless otherwise noted.
Symbol
Parameter
Test Condition
Min. Typ.
POWER SUPPLIES
VCC 12V supply
10.8
IVCC Vcc Current
SPINDLE + VCM
TBD
SPINDLE ONLY
TBD
VCM ONLY
TBD
Vrectified Vcc supply rectified
3.5
Vdd 5V supply
4.5
Ivdd 5V supply
SPINDLE + VCM
TBD
SPINDLE ONLY
TBD
VCM ONLY
TBD
THERMAL SENSING
TSD SHUTDOWN TEMPERATURE
150
THYS HYSTERESIS
60
TEW EARLY WARNING
TSD-
25
Max.
13.2
13.2
5.5
180
Unit
V
mA
mA
mA
V
V
mA
mA
mA
°C
°C
°C
6/23

6 Page



ページ 合計 : 23 ページ
 
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データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。


共有リンク

Link :


部品番号部品説明メーカ
L7200

MOZART/ 12V DISK DRIVE SPINDLE & VCM/ POWER & CONTROL COMBO

STMicroelectronics
STMicroelectronics
L7203

SMOOTH DRIVE SPINDLE MOTOR FOR OPTICAL DRIVE APPLICATION WITH POWER INTEGRATED

STMicroelectronics
STMicroelectronics
L7203S

SMOOTH DRIVE SPINDLE MOTOR FOR OPTICAL DRIVE APPLICATION WITH POWER INTEGRATED

STMicroelectronics
STMicroelectronics
L7207

Dual mode disk drive spindle and VCM motor driver

STMicroelectronics
STMicroelectronics


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