KA3120中文资料PDF规格书
KA3120规格书详情
The KA3120 is an ASIC combination chip, which was designed for the HDD, includes the following functions: spindle motor drive, voice coil motor drive, retract and power management.
To drive and control the spindle, the digital ASIC provides the appropriate control signals (Start up, commutation, speed control) to the KA3120. The spindle motor condition is monitored by the FG output and the motor speed control is accomplished via the PWMSP input. The ASIC controls the voice coil motor current via PWMH and PWML inputs and the power management circuit always monitors the power supply voltages.
FEATURES
SPINDLE MOTOR DRIVE PART
• Soft switching
• Spindle brake after retract
• Adjustable brake delay time
• 2.0A max. current power driver
• Low output saturation voltage: 1V typical @1.6A
• PWM decoder & filter for soft switching
• The digital circuit (ASIC) based start-up, commutation and motor speed control
VOICE COIL MOTOR DRIVE PART
• Trimmed low offset current
• 1.2A max. current power driver
• Gain selection and adjustable gain
• Automatic power down retract function
• Class AB linear amplifier with no dead zone
• Low output saturation voltage: 0.8V typical @1.0A
• Internal full bridge with VPNP (Vertical PNP) & NPN
• VCM offset monitoring
POWER MONITORING
• Power on reset with delay
• Hysteresis on both power comparators
• Over temperature & over current shut down
• 5V and 12V power monitor threshold accuracy ±2
PACKAGE
• 48QFPH (48 pin quad flat package heat-sink)
APPLICATION
• Hard disk drive (HDD) products
产品属性
- 型号:
KA3120
- 制造商:
FAIRCHILD
- 制造商全称:
Fairchild Semiconductor
- 功能描述:
SPINDLE & VOICE COIL MOTOR ONE CHIP DRIVER
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
IKANOS |
2019 |
BGA |
55000 |
进口原装现货一定自己库存 |
询价 | ||
FAIRCHI |
21+ |
TO220 |
12588 |
原装正品,自己库存 假一罚十 |
询价 | ||
FAIRCHI |
2020+ |
TO-220 |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
SEC |
22+ |
DIP30 |
3629 |
原装优势!房间现货!欢迎来电! |
询价 | ||
FSC |
2016+ |
TO220 |
6523 |
只做进口原装现货!或订货假一赔十! |
询价 | ||
SEC/上优 |
TO220 |
265209 |
假一罚十原包原标签常备现货! |
询价 | |||
IKANOS |
23+ |
BGA |
8000 |
只做原装现货 |
询价 | ||
IKANOS |
2021+ |
BGA |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
询价 | ||
IKANOS |
23+ |
BGA |
50000 |
全新原装正品现货,支持订货 |
询价 | ||
仙童 |
23+ |
TO-TO-220 |
33500 |
全新原装真实库存含13点增值税票! |
询价 |