TDA5147CH Datasheet, PDF (17/32 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
SYMBOL
PARAMETER
CONDITIONS
PWM decoder; pins 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 C_FLTINP = 1.8 nF
the PWM
T_PWM
PWM pulse width
Sense resistor amplifier; pins SISENL and SISENH
V_CS
common mode input sense
voltage
R_SENSE spindle sense resistor
Power-on reset generator
C_PORN Power-on reset capacitor
see Fig.6
VCM PWM filter
C_VFLTINP filter capacitor
VCM driver
R_SENSE VCM sense resistor
MIN.
3.0
−
−
25
0
−
−
−
−
Electrical characteristics
V_CC5 = 5 V; V_CCS12 = V_CCA2 = V_CCV = 12 V; T_amb = 0 to 70 °C.
SYMBOL
PARAMETER
CONDITIONS
MIN.
Analog supply current (nominal voltage)
I_CC5
analog supply current 1 linear (no spindle or VCM
−
load)
sleep mode (no spindle or
−
VCM load)
I_CC12
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_DISS
total power dissipation
sleep mode
−
Voltage booster; pin BSTFLT
V_wCP
charge pump output
nominal voltages
18.2
voltage
I_CHARGE charge pump output
current
voltage drop of 100 mV across −
booster
TYP.
−
−
−
−
−
0.33
220
1.8
0.33
TYP.
5.0
3.0
15
2.3
6.0
−
19.2
1.5
MAX.
−
2.0
625
−
2
−
−
−
−
MAX.
8.0
−
33
−
−
150
19.8
−
UNIT
V
V
kHz
ns
V
Ω
nF
nF
Ω
UNIT
mA
mA
mA
mA
mA
mW
V
mA
1997 Jul 09
17