參數(shù)資料
型號(hào): L7200
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動(dòng)控制電子
英文描述: DISK DRIVE MOTOR CONTROLLER, 2.6 A, PQFP64
封裝: TQFP-64
文件頁數(shù): 12/23頁
文件大?。?/td> 262K
代理商: L7200
L7200
2/23
Power On Reset (POR) circuitry is included. Upon detection of a low voltage condition, POR is asserted, the
internal registers are reset, and spindle power circuitry is tri-stated. The BEMF is rectified providing power for
actuator retraction followed by dynamic spindle braking. Three Linear regulators and a Shock Sensor circuitry
are also integrated.
The device is built in BCD mixed signal technology allowing dense digital/analog circuitry to be combined with
a high power DMOS output stage.
BLOCK DIAGRAM
CHARGE
PUMP
SUPPLY
FAULT
MONITORS
REFERENCE
VOLTAGE VCC/4
& GAIN SWITCH
14 BIT
VCM DAC
A
B
C
A+
A-
A=4
SUPPLY
VBOOST
RBIAS
SYSCLK
FCOM
BRAKE
VPS
PORB
VDD
DGND
GND
ERROR_IN
ERROR_OUT
SENSE_OUT
OUT_A
OUT_B
RSENSE
OUT_C
VCM_A+
VCC
VCM_A-
SENSE_IN-
SENSE_IN+
VCM_GND
CTAP
PUMP
SDATA
SCLK
SDEN
TR_12V
TR_5V
ISENSE
TR_3.3V
TR_2.5V
DAC_OUT
8V
Regulator
2.5V
Regulator
3.3V
Regulator
VREG8_DRV
VREG3.3_IN
VREG2.5_IN
VREG8_IN
SHOCK
DETECTOR
SSOUT
SSIN
SSFIN
SSFOUT
SSBUFOUT
SPINDLE
Architecture
FLL &
DIGITAL
FILTER
BIPOLAR /
TRIPHASE
BEMF
DETECTION
VCM
PSM/LIN
BEMF
RECTIFICATION
VCM
CALIBRATION
THERMAL
INDUCTIVE
SENSE
START-UP
RE-SYNC
PWM C
ISOFET
PWM B
PWM A
VCC
SERIAL
PORT
REGISTERS
DYNAMIC/
REVERSE
BRAKE
RAMP LOADING
AGND
AVCC
GAINRES
DESCRIPTION (continued)
相關(guān)PDF資料
PDF描述
L7250 VOICE COIL MOTOR CONTROLLER, PQFP64
L7980A 3.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
L7980 3.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
L7980TR 3.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
L7981ATR SWITCHING REGULATOR, DSO8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L7203 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SMOOTH DRIVE SPINDLE MOTOR FOR OPTICAL DRIVE APPLICATION WITH POWER INTEGRATED
L7203S 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SMOOTH DRIVE SPINDLE MOTOR FOR OPTICAL DRIVE APPLICATION WITH POWER INTEGRATED
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L7204A 制造商:Agilent Technologies 功能描述:L7204A / Switch, SP4T, DC-4 GHz, unterminated, 24VDC (L-SERIES)
L7204B 制造商:Agilent Technologies 功能描述:L7204B / Switch, SP4T, DC-20 GHz, unterminated, 24VDC (L-SERIES)