TDA5147CH Datasheet, PDF (22/32 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
MIN.
TYP.
VCM PWM filter; pins V_FLTINP and V_FLTOUT
I_o(VFLTOUT)
∆Φ
f_co
att
V_FLTOUT
output current on V_FLTOUT
maximum phase shift from
V_FLTINP to V_FLTOUT
filter cut-off frequency from
V_FLTINP to V_FLTOUT
filter attenuation at 1 MHz
measured from V_FLTINP to
V_FLTOUT
output voltage range
measured at V_FLTOUT, with
V_IPWML and V_IPWMH
V_FLTOUT = ∆V_o + 10 mV
measured at 500 Hz;
C_filter = 1.8 nF
0% duty factor
50% duty factor
100% duty factor
500
−
−
−
−
40
−
70
V − 2.08 V − 2.0
V − 0.06 V
V + 1.92 V + 2
Reference voltage; pin V_refout
V_ref(o)
output reference voltage I_o = 4 mA; C_L = 10 nF
3.8
Current Sense Amplifier; pins V_ISENS1, V_ISENL and V_ISENH
I_SEN
input current at V_ISENL,
overvoltage range of 0 to 12 V −200
V_ISENH
I_sk1
output sink current 1
force V_ISENH - V_ISENL to equal
400
V_ISENS1
−250 mV; allow output drop of
100 mV between no load and full
load
I_s1
output source current 1
force V_ISENH - V_ISENL to equal
400
V_ISENL
250 mV; allow output drop of
100 mV between no load and full
load
V_R1
operating voltage range gain and offset valid
0
V_ISENL, V_ISENH
G1
amplifier gain for
under all conditions
3.8
-VV----_II-_S-^S--_E-^E--_N-^N--_S-^S--₁-¹---_–-^–----V-V---_I-^rS-^e--_E-^f-^o-_N--^u--_Lt
V_os1
B_W1
PSRR
output offset voltage
V_ISENH − V_ISENL = 0 V at 0.5V_CC −15
unity gain bandwidth
−
power supply rejection ratio f_i < 20 kHz
−
Brake after park function; pins BRKTC and RET_ADJ
V_BRAKE
BRKTC level to perform
0.4
brake action
I_BRKTCON BRKTC input current
V_BRKTC = 0.4 V
300
during power ‘on’
I_RETADJON RET_ADJ current during
V_RETADJ = 0.4 V
−
power ‘on’
V_RETADJOFF low level output voltage on V_CC5 = 0 V; SHPWR2 = 5 V;
−
RET_ADJ power ‘OFF’
V_CC12 = 0 V; I_RETADJ = 400 µA
4.0
+415
−
−
−
4.0
−
10
60
0.7
−
−
−
MAX. UNIT
−
µA
2
deg
−
kHz
−
dB
V − 1.92 V
V + 0.06 V
V + 2.08 V
4.2
V
+540
µA
−
µA
−
µA
12
V
4.2
+15
mV
−
MHz
−
dB
V
−
µA
10
µA
0.5
V
1997 Jul 09
22