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FAN8042 Datasheet 5-CH Motor Driver

Manufacturer: Fairchild (now onsemi)

Overview: www.fairchildsemi.com FAN8042 5-CH Motor Driver FAN8042.

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General Description

The FAN8042 is a monolithic integrated circuit suitable for a 5-CH motor driver which drives the tracking actuator, focus actuator, sled motor, spindle motor, and tray motor of the CDP/CAR-CD/DVDP systems.

48-QFP-1010E Typical Application • • • • Compact disk player Video compact disk player Car compact disk player Digital video disk player Ordering Information Device Package Operating Temperature −35°C ~ +85°C FAN8042 48-QFP-1010E Rev.

1.0.0 ©2001 Fairchild Semiconductor Corporation Pin Assignments OPOUT1 OPIN2+ OPIN2- OPOUT2 OPIN1+ OPIN1- GND 48 47 46 45 44 43 42 GND 41 40 39 38 37 IN1+ IN1OUT1 IN2+ IN2GND GND OUT2 IN3+ 1 2 3 4 5 6 7 8 9 PVCC1 36 35 34 33 32 31 30 29 28 27 26 25 SVCC VREF PS DO1+ DO1DO2+ DO2DO3+ GND GND DO3DO4+ DO4DO5+ DO5- FAN8042 IN3- 10 OUT3 11 IN4+ 12 13 IN4- 14 OUT4 15 CTL 16 FWD 17 REV 18 GND 19 GND 20 SGND 21 MUTE123 22 MUTE4 23 TSD-M 24 PVCC2 2 Pin Definitions Pin Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Pin Name IN1+ IN1− OUT1 IN2+ IN2− GND GND OUT2 IN3+ IN3− OUT3 IN4+ IN4− OUT4 CTL FWD REV GND GND SGND MUTE123 MUTE4 TSD-M PVCC2 DO5DO5+ DO4− DO4+ DO3− GND GND DO3+ I/O I I O I I O I I O I I O I I I I I O O O O O O O Pin Function Descrition CH1 op-amp input (+) CH1 op-amp input (−) CH1 op-amp output CH2 op-amp input (+) CH2 op-amp input (−) Ground Ground CH2 op-amp output CH3 op-amp input (+) CH3 op-amp input (−) CH3 op-amp output CH4 op-amp input (+) CH4 op-amp input (−) CH4 op-amp output CH5 motor speed control CH5 forward input CH5 reverse input Ground Ground Signal

Key Features

  • 4-CH balanced transformerless (BTL) driver 1-CH (forward reverse) control DC motor driver Operating supply voltage (4.5 V ~ 13.2 V) Built in thermal shut down circuit (TSD) Built in channel mute circuit Built in power save mode circuit Built in TSD monitor circuit Built in 2-OP AMPs.

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