TDA5341 Philips Semiconductors, TDA5341 Datasheet - Page 4

• Manufacturer Part Number: TDA5341
• Description: Brushless DC motor and VCM drive circuit with speed control
• Manufacturer: Philips Semiconductors

Philips Semiconductors
PINNING
1997 Jul 10
CAPST
CAPTI
CLAMP1
AMPOUT
AMPIN
AMPIN+
MOT0
MOT2
FREDENA
FG
BRAKE
TESTIN
TP1
V
GAINSEL
V
V
CAPCDM
CAPCDS
PRESET
MOT3
CAPCPC
ILIM
CNTRL
V
CLAMP2
CAPCP
FB1
FB2
RETRACT
V
FILTER
V
V
DPULSE
V
VCM+
DATA
CLOCK
V
EE1
DD
EE
DD1
EE3
CMIN1
CMIN2
ref
DD3
Brushless DC motor and VCM drive circuit
with speed control
SYMBOL
PIN
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
11
1
2
3
4
5
6
7
8
9
external capacitor for starting oscillator
external capacitor for timer circuit
external capacitor used to park the heads; must be externally connected to CLAMP2
uncommitted operational amplifier output
uncommitted operational amplifier invert input
uncommitted operational amplifier direct input
motor centre tap input
motor driver output 2
friction reduction mode enable input (active HIGH)
frequency generator (tacho) output
brake input command (active LOW)
test input for power output switch-off (active HIGH)
test purpose 1 (should be left open-circuit)
ground for the spindle motor drivers
VCM gain adjustment input (switch ON when GAINSEL is LOW)
general power supply
general ground
external capacitor for adaptive commutation delay (master)
external capacitor for adaptive commutation delay (slave)
set the motor drivers into a fixed state: MOT1 = F (floating), MOT2 = L, MOT3 = H
motor driver output 3
frequency compensation of the current control
current limit control input
motor control
power supply 1 for the spindle motor drivers
external capacitor used to park the heads; must be externally connected to CLAMP1
external capacitor for the charge pump output
output of the VCM preamplifiers
switchable output of the VCM preamplifier
park input command (active LOW)
ground 3 for the actuator driver
charge pump output to be connected to an external filter
VCM voltage control input
switchable VCM voltage control input
data pulse input of the frequency comparator of the speed control
voltage reference input
positive output of the VCM amplifier
input data of the serial port (active HIGH)
clock input signal to shift DATA into SERIALIN register (active HIGH)
power supply 3 for the actuator driver
4
DESCRIPTION
Product specification
TDA5341