English
Language : 

TDA5147CH Datasheet, PDF (21/32 Pages) NXP Semiconductors – 12 V Voice Coil Motor VCM driver and spindle motor drive combination chip
◁
Philips Semiconductors
12 V Voice Coil Motor (VCM) driver and
spindle motor drive combination chip
Preliminary specification
TDA5147CH
Voice coil motor driver characteristics
VCC5 = 5 V; VCCS12 = VCCA12 = VCCV12 = 12 V; Tamb = 0 to 70 °C.
SYMBOL
PARAMETER
CONDITIONS
Retract control voltage; pins VCMN and VCMP
IRET
retract voltage load current VSHPWR1 = 9 V; power supplies
off
tRET
retract voltage hold time retract capacitor = 2.2 µF
(power down)
VRET
IBRAKE
retract voltage regulation
IBRK1
IBRK2
nominal power supply at
Tamb = 25 °C, pin 35 open
power supply off;
VSDRVU = 9 to 2 V;
VSHPRW1 = 7.5 V, pin 35 open
power supply off;
SHPWR1 = 8 V;
SHPWR2, 3 = 4 V;
RETADJ = 0 V;
RLOAD(VCM) = 10 Ω
power supply off;
SHPWR1 = 6.5 V;
SHPWR2, 3 = 2 V;
RETADJ = 0 V;
RLOAD(VCM) = 10 Ω
VCM current control PWM DAC; pins VIPWMH, VIPWML and VFLTINP
ILIN
VFL(p)
FLI(n)
input current
VIPWMH,VIPWML
positive full-scale DAC
output voltage
VFLTINP − Vrefout
negative full-scale DAC
output voltage
VFLTINP − Vrefout
current ratio between MSB
and LSB
voltage range 0 to 5 V
100% duty factor
0% duty factor
ZO
output impedance from
VFLTINP to Vrefout
MIN.
TYP.
−
3.0
5
−
0.8
1.1
0.8
1.1
120
−
50
−
−200 −
−
+1.0
−
−1.0
31.5
32
1.40
2.0
MAX.
−
−
1.4
1.4
−
−
+200
−
−
32.5
2.6
UNIT
µA
s
V
V
mA
mA
µA
V
V
kΩ
1997 Jul 09
21
 ▷