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參數(shù)資料
| 型號： | TDA5345HT |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 運動控制電子 |
| 英文描述： | 5 V spindle & VCM driver combo |
| 中文描述： | DISK DRIVE MOTOR CONTROLLER, 2 A, PQFP64 |
| 封裝： | LOW PROFILE, PLASTIC, TQFP-64 |
| 文件頁數(shù)： | 33/44頁 |
| 文件大?。?/td> | 213K |
| 代理商： | TDA5345HT |
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1999 June 10
33
Philips Semiconductors
Preliminary specification
5 V spindle & VCM driver combo
TDA5345HT
QUICK REFERENCE DATA
ORDERING INFORMATION
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
Note to the limiting values:
1.
Stress beyond these levels may cause permanent damage to the device. This is a stress rating only and functional
operation of the device under this condition is not implied.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply voltage
V
DD5A/D
+5 V supply voltage
4.5
5.0
5.5
V
Voice coil motor driver
I
out
R
DSon
maximum VCM output current
VCM power MOS total on
resistance
400
mA
T
j
= 140
°
C
V
DD5
= 4.5 V
1.5
Spindle motor driver
I
out_StartUp
I
out_Brake
R
DSon
maximum spindle output current
spindle output current
spindle power MOS total on
resistance
start-up
Brake
T
j
= 140
°
C
V
DD5
= 4.5 V
-
-
-
620
-
-
mA
A
1.5
1.5
TYPE NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA5345HT
TQFP64
plastic low profile quad flat package; 64 leads;
body 10 x 10 x 1.2 mm
SOT 357BB6
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
V
DD5A/D
V
DD5A/D
V
PeakVCM
+5 V supplies
+5 V supplies
VCM drive output voltage
indefinite time period
see note1
Inductance connected to
VCM+ and VCM-
peak < 0.5 s
- 0.3
-0.3
0.5
5.5
V
V
V
7
V
DD5
+ 0.5
I
PeakVCM
VCM drive output peak
current
spindle drive output voltage
1.0
A
V
PeakSpin
Inductance connected to
SpinMotA, B & C.
peak < 0.5 s
-0.5
V
DD5
+ 0.5
V
I
PeakSpin
spindle drive output peak
current
other pins
total Power dissipation
IC storage temperature
junction temperature
2.0
A
V
i
P
tot
T
stor
T
j(max)
I < 1 mA
-0.5
V
DD5
+ 0.5
V
W
°
C
°
C
1.1
55
+125
+140
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