L7200中文资料意法半导体数据手册PDF规格书
L7200规格书详情
DESCRIPTION
The L7200 Mozart integrates into a single chip both spindle and VCM controllers as well as power stages. The device is designed for 12V disk drive application requiring up to 2.5A of spindle and 1.7A of VCM peak currents. The device is based on the sinusoidal driving of the spindle motor. This is realized digitally by the SMOOTHDRIVE™ SYSTEM.
GENERAL
■ 12V (+/- 10) OPERATION.
■ REGISTER BASED ARCHITECTURE
■ MINIMUM EXTERNAL COMPONENTS
■ BCD TECHNOLOGY
VCM DRIVER
■ 1.7A DRIVE CAPABILITY
■ 0.75Ω TOTAL BRIDGE IMPEDANCE AT 125°C
■ LINEAR MODE
■ PHASE SHIFT MODULATION (PWM MODE)
■ INSTANTANEOUS, (GLICH FREE) SWITCH
■ BETWEEN THE 2 MODES.
■ CLASS AB OUTPUT DRIVERS
■ ZERO CROSSOVER DISTORSION
■ 14 BIT DAC DEFINE OUTPUT CURRENT
■ SELECTABLE TRANSCONDUCTANCE
■ RAMP LOADING & PARKING VOLTAGE
■ FULL INTERNAL VCM CALIBRATION
■ DYNAMIC BRAKE
SPINDLE DRIVER
■ 2.5A DRIVE CAPABILITY
■ 0.75Ω TOTAL BRIDGE IMPEDANCE AT 125°C
■ SMOOTHDRIVE™ ARCHITECTURE
■ SINUSOIDAL DRIVING, VOLTAGE MODE
■ BIPOLAR DRIVING
■ BEMF, INTERNAL OR EXTERNAL, PROCESSING
■ SENSOR-LESS MOTOR COMMUTATION
■ PROGRAMMABLE COMMUTATION DELAY
■ FIXED FREQUENCY PWM OPERATION MODE
■ INTERNAL FREQUENCY LOCKED LOOP SPEED CONTROL (FLL)
■ PROGRAMMABLE DIGITAL FILTER FOR SPEED CONTROL LOOP
■ BEMF RECTIFICATION DURING RETRACT
■ BUILT-IN INDUCTIVE SENSING START UP
■ DYNAMIC & REVERSE BRAKE
■ BACK ROTATION DETECTION
OTHER FUNCTIONS
■ 12V, 5V , 3.3V AND 2.5V MONITORING WITH POSSIBLE EXTERNAL SET TRIP POINTS AND HYSTERESIS
■ POWER UP/DOWN SEQUENCING
■ 8V, 3.3V AND 2.5V POSITIVE REGULATORS
■ 3.3V LOGIC COMPATIBILITY
■ SHOCK SENSOR DETECTOR
■ INTERNAL POR DELAY TIME AT POWER ON (80ms)
■ INTERNAL ISOFET FOR BEMF RECTIFICATION
■ THERMAL SHUTDOWN AND PRETHERMAL WARNING
产品属性
- 型号:
L7200
- 制造商:
INTEL
- 制造商全称:
Intel Corporation
- 功能描述:
Intel Core2 Duo Mobile Processor for Intel Centrino Duo Mobile Processor Technology
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
ST |
23+ |
SOP20 |
8560 |
受权代理!全新原装现货特价热卖! |
询价 | ||
ST |
22+ |
SOP |
5000 |
只做原装鄙视假货15118075546 |
询价 | ||
STM |
0310+ |
SOP |
2000 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
询价 | ||
ST |
26+ |
SOP20 |
12335 |
代理全系列销售, 全新原装正品,价格优势,长期供应,量大可订 |
询价 | ||
ST/意法 |
0002+ |
SOP20 |
880000 |
明嘉莱只做原装正品现货 |
询价 | ||
ST |
25+ |
SO20 |
90000 |
一级代理商进口原装现货、假一罚十价格合理 |
询价 | ||
LUCENT |
24+ |
QFP |
168 |
询价 | |||
STM |
24+ |
SOP |
20000 |
全新原厂原装,进口正品现货,正规渠道可含税!! |
询价 | ||
OKI |
2407+ |
QFP |
7750 |
原装现货!实单直说!特价! |
询价 | ||
STM |
23+ |
SOP |
50000 |
全新原装正品现货,支持订货 |
询价 |


