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L7208 Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer L7208
Beschreibung Portable consumer electronics spindle and VCM motor controller
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 3 Seiten
L7208 Datasheet, Funktion
L7208
Portable consumer electronics spindle and VCM motor controller
Data Brief
General features
Register Based Architecture
3 wire serial port up to 50MHz
Ultra-thin package
www.DataSShpeeint4Ud.cloemdriver
0.5A peak current drive capability
)Integrated power driver devices
t(sST Smooth Drive® architecture
cCurrent sense with zero external components
duInductive sense start-up support
ProVCM driver
te0.5A peak current drive capability
leIntegrated power driver devices
so14 Bit linear DAC for current command
bRamp load/unload and emergency retract
- Osupport
t(s)Other functions
ucIntegrated positive and negative switching
dregulators
roShock detect circuitry
P10-bit ADC
tePOR on reset with integrated delay
ObsoleFree fall interface
UFLGA
Description
L7208 is available in an ultra-thin package and is
optimized for 1.8 inch and sub-1.8 inch consumer
equipment drives.
The spindle motor driver subsystem integrates all
power FETs driven by ST's Smooth Drive®
commutation technology.
The voice coil driver block includes the power
FETs, emergency retract function as well as ramp
load and unload capability.
Positive and negative regulators are integrated
together with provision for shock sensing and
free-fall detection.
Extremely low power consumption, in all modes of
operation, is achieved by an optimized chip
partitioning enabling extended battery life in
consumer applications.
L7208 embeds a serial interface with a maximum
speed of 50 MHz.
Order code
Part number
L7208
Package
UFLGA
Packing
Tray
September 2006
Rev 1
For further information contact your local STMicroelectronics sales office.
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