TDA5147K Datasheet, PDF (16/32 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
SPINDLE MOTOR DRIVER CHARACTERISTICS
V_CCA1 = 5 V; V_CCS = V_CCA2 = V_CCV = 12 V; T_amb = 0 to 70 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP.
Overvoltage protection; pins 2, 12 and 24 (SDRVW, SDRVV and SDRVU)
V_CLP
overvoltage protection
power supply off; apply
−
19
clamping voltage
voltage to outputs; check
clamping voltage is at 100 mA
Spindle state control inputs; pins 10, 11 and 14 (SCNTL1, 2 and 3)
I_i
input current
−10
−
Back EMF comparators
V_CM
common mode input voltage comparators will be
−0.5 −
for centre TAP connection operational with other inputs
(pin 16)
at V_CCA2 − 1 V
I_CLP
common mode clamping V₁₆ = 0 V
current
−1.6 −
V_Cos
comparator offset voltage SDRVN voltage range from −5
−
relative to pin 16
3 to 10 V
∆V_Cos
variation in comparator
voltages
for the same IC
−7
−
V_sink
comparators output drive
sink voltage
I_o(sink) = 1 mA
−
−
V_source
comparators output drive
source voltage
I_o(source) = 40 µA
2.7
−
Spindle output drivers; pins 2, 12 and 24 (SDRVW, SDRVV and SDRVU)
R_ds(on)
total resistance at output I_o = 1 A at T_amb = 25 °C
−
0.8
(source + sink + isolation) _{Io = 1 A at Tj = 125 °C}
−
1.3
I_LO
off-state output leakage
T_j = 125 °C
current
−
0.3
V_F
recirculating diode forward I_F = 1 A
voltage
−
0.8
SRT
slew rate test
test for Miller network
0.12 −
Spindle current control PWM DAC and filter; pins 26 and 30 (SPWMFLT and SIPWM)
I₃₀
input current at pin 30
at HIGH-to-LOW voltage
−200 −
transition
R₂₆
output resistance at pin 26
23
34
V₂₆
output voltage
100% duty factor at pin 30
−
1.75
50% duty factor at pin 30
−
0.85
0% duty factor at pin 30
−
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
−
0.24
+200
45
−
−
−
Ω
Ω
mA
V
V/µs
mA
kΩ
V
V
V
1996 Jul 26
16