參數(shù)資料
型號: L7208
廠商: 意法半導(dǎo)體
英文描述: Portable consumer electronics spindle and VCM motor controller
中文描述: 便攜式消費(fèi)類電子產(chǎn)品和氯乙烯主軸電機(jī)控制器
文件頁數(shù): 1/3頁
文件大?。?/td> 47K
代理商: L7208
Data Brief
For further information contact your local STMicroelectronics sales office.
September 2006
Rev 1
1/3
3
L7208
Portable consumer electronics spindle and VCM motor controller
General features
Register Based Architecture
3 wire serial port up to 50MHz
Ultra-thin package
Spindle driver
ObsoeePoduc(s ObsoeePoduc(s
Integrated power driver devices
ST Smooth Drive
architecture
Current sense with zero external components
Inductive sense start-up support
VCM driver
0.5A peak current drive capability
Integrated power driver devices
14 Bit linear DAC for current command
Ramp load/unload and emergency retract
support
Other functions
Integrated positive and negative switching
regulators
Shock detect circuitry
10-bit ADC
POR on reset with integrated delay
Free fall interface
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
UFLGA
Part number
Package
Packing
L7208
UFLGA
Tray
www.st.com
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