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L7208

STMicroelectronics
Part Number L7208
Manufacturer STMicroelectronics
Description Portable consumer electronics spindle and VCM motor controller
Published May 29, 2010
Detailed Description L7208 Portable consumer electronics spindle and VCM motor controller Data Brief General features ■ ■ ■ Register Based ...
Datasheet PDF File L7208 PDF File

L7208
L7208


Overview
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.
DataSheet4U.
com ■ ■ ■ ■ ■ Spindle driver 0.
5A peak current drive capability Integrated power driver devices ST Smooth Drive® architecture Current sense with zero external components Inductive sense start-up support UFLGA Description 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 L7208 is available in an ultra-thin package and is optimized for 1.
8 inch and sub-1.
8 inch consumer equipment drives.
Other functions ■ ■ ■ ■ ■ Integrated positive and negative switching regulators Shock detect circuitry 10-bit ADC POR on reset with integrated delay O Order code Part number L7208 bs Free fall interface t e l o r P e u d o ) s ( ct o s b O - 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.
e t le o r P c u d ) s t( Package UFLGA Packing Tray September 2006 Rev 1 1/3 www.
st.
com 3 For further information contact your local STMicroelectronics sales office.
Revision history L7208 1 Revision history Table 1.
Date 21-Sep-2006 Document revision history Revision 1 Initial release.
Changes www.
DataSheet4U.
com s b O t e l o r P e u d o ) s ( ct o s b O - e t le o r P c u d ) s t( 2/3 L7208 Please Read Carefully: ...


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