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參數(shù)資料
| 型號： | TDA5147CH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | 12 V Voice Coil Motor VCM driver and spindle motor drive combination chip |
| 中文描述： | DISK DRIVE MOTOR CONTROLLER, PQFP64 |
| 文件頁數(shù)： | 13/32頁 |
| 文件大?。?/td> | 196K |
| 代理商： | TDA5147CH |
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1997 Jul 09
13
Philips Semiconductors
Preliminary specification
12 V Voice Coil Motor (VCM) driver and
spindle motor drive combination chip
TDA5147CH
Fig.7 Trigger pulse requirement.
MGG849
threshold
hysteresis
slopes 1
μ
s/V
5
μ
s
1 V
tC
PORN
VCC
S
LEEP MODE
A sleep mode is used to save power when the spindle
drivers and the VCM drivers are in a disabled state. These
two conditions automatically turn off all drivers and
amplifiers that are not required. The total power dissipation
is approximately 100 mW. The sleep mode is activated
when both the spindle (SCNTL1, 2 and 3 are LOW) and
the VCM are disabled (V
PCNTL
left open-circuit).
T
HERMAL SHUTDOWN
When the TDA5147CH junction temperature is greater
than 150
°
C all power drivers will be automatically
disabled. This is to ensure that no fire hazard occurs due
to chip overheating.
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