DataSheetWiki


L7200 fiches techniques PDF

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

Numéro de référence L7200
Description MOZART/ 12V DISK DRIVE SPINDLE & VCM/ POWER & CONTROL COMBO
Fabricant STMicroelectronics 
Logo STMicroelectronics 





1 Page

No Preview Available !





L7200 fiche technique
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

PagesPages 23
Télécharger [ L7200 ]


Fiche technique recommandé

No Description détaillée Fabricant
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

US18650VTC5A

Lithium-Ion Battery

Sony
Sony
TSPC106

PCI Bus Bridge Memory Controller

ATMEL
ATMEL
TP9380

NPN SILICON RF POWER TRANSISTOR

Advanced Semiconductor
Advanced Semiconductor


www.DataSheetWiki.com    |   2020   |   Contactez-nous  |   Recherche