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參數(shù)資料
| 型號(hào)： | TLS2230 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Servo-Combination Predriver(伺服-組合預(yù)驅(qū)動(dòng)器) |
| 中文描述： | 伺服組合預(yù)驅(qū)動(dòng)器（伺服-組合預(yù)驅(qū)動(dòng)器） |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 265K |
| 代理商： | TLS2230 |
TLS2230
SERVO-COMBINATION PREDRIVER
SQHS017 – MAY 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Voice-Coil Motor (VCM) Predriver
– Pulse-Width Modulated (PWM) or Linear
Input Control
– Transconductance Amplifier With Class
AB Output (When Used With TPIC150x
Drivers)
– Summing Amplifier
– Current-Sense Amplifier
– Retract Function on Power Loss
Spindle-Motor Predriver
– PWM Start and PWM Current Limit
– Advance Terminal Signals Commutation
Timing to On-Chip Sequencer During
Start Mode
– Current-Sense Comparator
– Low-Noise Phase-Locked Loop Performs
Commutation Timing During Run Mode
– PWM or Linear Run Mode
– Low-Side Driver Transconductance
Amplifier for Linear Run Mode
– Dynamic Brake
– Power-Down Brake After Delay
– Soft Switching or Limited dv/dt Reduces
Acoustic Noise in Linear Run Mode
Support Functions
– Voltage Monitor (Based on 5-V and 12-V
Supplies)
– Low-Voltage Brake
– Charge Pump (25 V) for Driving
N-Channel DMOS H-Bridge Drivers
description
The TLS2230 is a servo-combination predriver designed for use in hard-disk-drive applications. When
combined with a power driver such as the TPIC150x, the TLS2230 can drive a voice-coil motor (VCM) and a
spindle motor. Figure 1 is a functional block diagram of the servo-combination predriver.
Copyright
1996, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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VLSD
ULSD
IFILTER
PWMIN
ICNTRL
COS
TH_SENSE
RSENSE
RSLEW
DISPWRN
RESET
ENABLEN
ADVANCE
AGND
V5A
PW
PV
PU
SENSE/VCO/TACH
PEFILTER
CVCO
SOUT
RSEN
GLS
ISET
GNB
VCMB
GPB
WLSD
UHSD
VHSD
WHSD
DGND
V5D
PV12
VCKWI
VCK12
VCK5
FAULTN
WENA
BDLY
VREF
VREF2
CP
SPWMBI
SPWMAI
SPWMAO
SPWMBO
V12
ERRN
A3P
A3
ERR
VCMA
GPA
GNA
DL PACKAGE
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