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TDA5341G 데이터시트(PDF) 4 Page - NXP Semiconductors |
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TDA5341G 데이터시트(HTML) 4 Page - NXP Semiconductors |
4 / 28 page 1997 Jul 10 4 Philips Semiconductors Product specification Brushless DC motor and VCM drive circuit with speed control TDA5341 PINNING SYMBOL PIN DESCRIPTION CAPST 1 external capacitor for starting oscillator CAPTI 2 external capacitor for timer circuit CLAMP1 3 external capacitor used to park the heads; must be externally connected to CLAMP2 AMPOUT 4 uncommitted operational amplifier output AMPIN − 5 uncommitted operational amplifier invert input AMPIN+ 6 uncommitted operational amplifier direct input MOT0 7 motor centre tap input MOT2 8 motor driver output 2 FREDENA 9 friction reduction mode enable input (active HIGH) FG 10 frequency generator (tacho) output BRAKE 11 brake input command (active LOW) TESTIN 12 test input for power output switch-off (active HIGH) TP1 13 test purpose 1 (should be left open-circuit) VEE1 14 ground for the spindle motor drivers GAINSEL 15 VCM gain adjustment input (switch ON when GAINSEL is LOW) VDD 16 general power supply VEE 17 general ground CAPCDM 18 external capacitor for adaptive commutation delay (master) CAPCDS 19 external capacitor for adaptive commutation delay (slave) PRESET 20 set the motor drivers into a fixed state: MOT1 = F (floating), MOT2 = L, MOT3 = H MOT3 21 motor driver output 3 CAPCPC 22 frequency compensation of the current control ILIM 23 current limit control input CNTRL 24 motor control VDD1 25 power supply 1 for the spindle motor drivers CLAMP2 26 external capacitor used to park the heads; must be externally connected to CLAMP1 CAPCP 27 external capacitor for the charge pump output FB1 28 output of the VCM preamplifiers FB2 29 switchable output of the VCM preamplifier RETRACT 30 park input command (active LOW) VEE3 31 ground 3 for the actuator driver FILTER 32 charge pump output to be connected to an external filter VCMIN1 33 VCM voltage control input VCMIN2 34 switchable VCM voltage control input DPULSE 35 data pulse input of the frequency comparator of the speed control Vref 36 voltage reference input VCM+ 37 positive output of the VCM amplifier DATA 38 input data of the serial port (active HIGH) CLOCK 39 clock input signal to shift DATA into SERIALIN register (active HIGH) VDD3 40 power supply 3 for the actuator driver |
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