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參數(shù)資料
| 型號： | L7208 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運動控制電子 |
| 英文描述： | VOICE COIL MOTOR CONTROLLER, BGA |
| 封裝： | UFLGA |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 132K |
| 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
■ 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
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
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