TDA5147K Datasheet, PDF (14/32 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
Product specification
TDA5147K
SYMBOL
PARAMETER
PARK enable; pin 35 (V_PCNTL)
V_oh
voltage level for enable
V_iZ
voltage level for disable
V_ol
voltage level for retract
CONDITIONS
see Table 1; state also
achieved with floating
input
PWM decoder; pins 46 and 47 (V_IPWML and V_IPWMH)
V_IH
V_IL
f_PWM
HIGH level input voltage
LOW level input voltage
frequency range at the inputs
of the PWM
C_FLTINP = 1.8 nF
T_PWM
PWM pulse width
Sense resistor amplifier; pins 40 and 43 (V_ISENH and V_ISENL)
V_iCM
common mode input sense
voltage
R_s(S)
spindle sense resistor
Power-on reset generator
C_POR
power-on reset capacitor
see Fig.6
VCM PWM filter
C_FLTINP filter capacitor
VCM driver
R_s(VCM) VCM sense resistor
MIN.
TYP.
MAX. UNIT
0.75_VCCA1 −
−
V
+ 150 mV
0.25V_CCA1 0.50V_CCA1 0.75V_CCA1 V
+ 150 mV
− 150 mV
−
−
0.25V_CCA1 V
− 150 mV
3.0
−
−
−
−
−
25
−
−
V
2.0
V
625
kHz
−
ns
0
−
2
V
−
0.33
−
Ω
−
220
−
nF
−
1.8
−
nF
−
0.33
−
Ω
ELECTRICAL CHARACTERISTICS
V_CCA1 = 5 V; V_CCS = V_CCA2 = V_CCV = 12 V; T_amb = 0 to 70 °C; note 1; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Analog supply current (nominal voltage)
I_CCA1
analog supply current 1
linear (no spindle or VCM load)
−
sleep mode (no spindle or VCM load) −
I_CCA2
analog supply current 2
linear (no spindle or VCM load)
−
sleep mode (no spindle or VCM load) −
sense resistor output
sleep mode (no spindle or VCM load) −
sense resistor input
P_tot
total power dissipation
sleep mode
−
5.0 8.0 mA
3.0 −
mA
20 33
mA
2.3 −
mA
6.0 −
mA
−
150 mW
1996 Jul 26
14