TDA5147K Datasheet, PDF (15/32 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
CONDITIONS
MIN. TYP. MAX. UNIT
Voltage booster; pin 20 (BSTFLT)
V_oCP
charge pump output
voltage
I_oCP
charge pump output
current
nominal voltages
18.2 19.2 19.8 V
voltage drop of 100 mV across booster −
1.5 −
mA
Power monitor comparators; pins 6 and 7 (POR12_ADJ and POR5_ADJ)
V_th12
threshold voltage level
adjustment for +12 V
8.7 9.0 9.3 V
V_th5
threshold voltage level
adjustment for +5 V
4.4 4.5 4.6 V
V_hys1
hysteresis on V_CCA1
comparator
hysteresis in positive direction.
40
60
80
mV
V_hys2
hysteresis on V_CCA2
comparator
hysteresis in positive direction.
130 200 270 mV
V_12adj
V_5adj
power-on reset 12 V
adjustable voltage
power-on reset 5 V
adjustable voltage
normal power supply to resistor divider 3.25 3.32 3.39 V
25.4 and 9.7 kΩ
normal power supply to resistor divider 2.74 2.8
7.86 and 10 kΩ
2.86 V
Power-on reset generator; pins 4 and 5 (C_POR and POR); see Fig.6
V_OL
V_OH
I_source
V_th
t_dPOR
t_RPULSE
LOW level input voltage
HIGH level input voltage
source current for
charging capacitor (pin 4)
threshold voltage (pin 4)
power-on reset delay
power supply maximum
pulse duration
I_OL = 2 mA; V_CC = 5 or 12 V
(below threshold voltage)
V_CC = 5 or 12 V
(above hysteresis voltage)
C = 220 nF
see Fig.7
−
−
0.7 V
4.85 −
−
V
8.2 12
15.3 µA
−
2.5 −
V
−
45 −
ms
−
2.5 5.0 µs
Thermal protection
T_Soff
switch-off temperature
∆T
thermal hysteresis
prevents fire hazard
(junction temperature)
150 −
−
30
164 °C
−
°C
Note
1. V_CCA2, V_CCV, V_CCS and V_CCA1 are connected together; the outputs SDRVU, SDRVV, SDRVW, VCMP and VCMN
are not loaded. Sleep mode defined by 000 as spindle code and VCM disable.
1996 Jul 26
15