TDA5147CH Datasheet, PDF (19/32 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
Spindle motor driver characteristics
V_CC5 = 5 V; V_CCS12= V_CCA12 = V_CCV12 = 12 V; T_amb = 0 to 70 °C.
SYMBOL
PARAMETER
CONDITIONS
MIN.
Overvoltage protection; pins SDRU, SDRV and SDRW
V_CLP
overvoltage protection
clamping voltage
power supply off; apply voltage −
to outputs; check clamping
voltage is at 100 mA
Spindle state control inputs; pins SCNTL1 SCNTL2 and SCNTL3
I_in
input current
−10
Back EMF comparators
V_CM
common mode input
comparators will be
−0.5
voltage for centre tap
operational with other inputs at
connection (SDRVN)
V_CCA2 − 1 V
I_CLP
common mode clamping V_SDRVN at 0 V
current
−1.6
V_COS
comparator offset voltage SDRVN voltage range from −5
relative to SDRVN
3 to 10 V
∆V_COS variation in comparator
for the same IC
−7
voltages
V_sink
comparators output drive I_o(sink) = 1 mA
−
sink voltage
V_source
comparators output drive I_o(source) = 40 µA
2.7
source voltage
Spindle output drivers; pins SDRVU, SDRVV and SDRVW
R_ds(on)
total resistance at output I_SDRV = 1 A at T_amb = 25 °C
−
(source + sink + isolation) _{ISDRV = 1 A at Tj = 125 °C}
−
I_DSX
off-state output leakage disable state T_j = 125 °C
−
current
L_IN
recirculating diode forward I_SDRV = 1 A
−
voltage
SRT
slew rate test
test for Miller network
0.11
Spindle current control PWM DAC and filter; pins SIPWM and SPWMFLT
L_IN
input current at SIPWM at HIGH-to-LOW voltage
−200
transition
R_SOUT
output resistance at
23
SPWMFLT
V_SOUT
SPWMFLT voltage
100% duty factor SIPWM
−
50% duty factor at SIPWM
−
0% duty factor at SIPWM
−
TYP.
19
−
−
−
−
−
−
−
0.8
1.3
0.3
0.8
−
−
34
1.75
0.85
0
MAX. UNIT
−
V
+10
µA
V_CCA2 + 0.7 V
−0.2
mA
+5
mV
+7
mV
0.5
V
−
V
1.0
1.7
1.0
1.1
0.27
+200
45
−
−
−
Ω
Ω
mA
V
V/µs
mA
KΩ
V
V
V
1997 Jul 09
19