TDA5345HT Datasheet, PDF (33/44 Pages) NXP Semiconductors – 5 V spindle & VCM driver combo

Philips Semiconductors
5 V spindle & VCM driver combo
Preliminary specification
TDA5345HT
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
Supply voltage
V_DD5A/D
+5 V supply voltage
Voice coil motor driver
I_out
R_DSon
maximum VCM output current
VCM power MOS total on
resistance
Spindle motor driver
I_{out_StartUp}
I_{out_Brake}
R_DSon
maximum spindle output current
spindle output current
spindle power MOS total on
resistance
T_j = 140 °C
V_DD5 = 4.5 V
start-up
Brake
T_j = 140 °C
V_DD5 = 4.5 V
MIN. TYP. MAX. UNIT
4.5
5.0
5.5
V
−
400
mA
−
−
1.5
Ω
-
620
mA
-
-
1.5
A
-
-
1.5
Ω
ORDERING INFORMATION
TYPE NUMBER
NAME
TDA5345HT
TQFP64
PACKAGE
DESCRIPTION
plastic low profile quad flat package; 64 leads;
body 10 x 10 x 1.2 mm
VERSION
SOT 357BB6
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
V_DD5A/D
V_DD5A/D
V_PeakVCM
PARAMETER
+5 V supplies
+5 V supplies
VCM drive output voltage
I_PeakVCM
V_PeakSpin
VCM drive output peak
current
spindle drive output voltage
I_PeakSpin
V_i
P_tot
T_stor
T_j(max)
spindle drive output peak
current
other pins
total Power dissipation
IC storage temperature
junction temperature
CONDITIONS
indefinite time period
see note1
Inductance connected to
VCM+ and VCM-
peak < 0.5 s
Inductance connected to
SpinMotA, B & C.
peak < 0.5 s
I < 1 mA
MIN.
- 0.3
-0.3
−0.5
MAX.
5.5
7
V_DD5 + 0.5
1.0
-0.5 V_DD5 + 0.5
2.0
-0.5 V_DD5 + 0.5
1.1
−55
+125
−
+140
UNIT
V
V
V
A
V
A
V
W
°C
°C
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.
1999 June 10
33