Datasheet Datasheet System Motor Driver Series for CDDVD Player 4ch System Motor Driver For Car Audio BD8226EFV General Description Key Specifications BD8226EFV is a 5-input, 4-output BTL driver Power supply voltage 5.5V to 14V developed for driving Spindle motor (CH1), Operating temperature range -40C to +85C Sled/Loading motor (CH2) and the actuator coils Maximum output amplitude (CH3:Tracking coil, CH4:Focus coil). (V =V =8V, R =8) PREVCC1 POWVCC1,2 L This IC can be used for CD and DVD applications. CH1,CH2 6.0V(Typ) Features CH3,CH4 5.3V(Typ) 4CH BTL Driver Has wide dynamic range Package W(Typ) D(Typ) H(Max) HTSSOP-B24 7.80mm x 7.60mm x1.00mm Built-in thermal shutdown circuit Separating Vcc into Pre and Power (Power divides into CH1/2 and CH3/4) can improve efficiency. Switches CH2 input using Control input terminal (CNT) Incorporates mute function using CNT and MUTE terminals Built-in variable regulator control Applications Car Audio HTSSOP-B24 Typical Application Circuit DSP REGOUT 24 23 22 21 20 19 18 17 16 15 14 13 IN1 CNT IN2-1 IN2-2 BIAS IN3 IN4 MUTE PREGND REG(+) REG-B PREVCC BD8226EFV POWVCC1 POWGND1 VO1(-) VO1(+) VO2(-) VO2(+) VO3(-) VO3(+) VO4(-) VO4(+) POWGND2 POWVCC2 1 2 3 4 5 6 7 8 9 10 11 12 SPINDLE SLED/LOADING TRACKING FOCUS MOTOR MOTOR COIL COIL CH1 CH2 CH3 CH4 Figure 1. Application Circuit www.rohm.com TSZ02201-0G1G0C600020-1-2 2013 ROHM Co., Ltd. All rights reserved. 1/16 TSZ2211114001 3.JUL.2013 Rev.002DatasheetDatasheet BD8226EFV Pin Configuration Pin Description Pin No. Symbol Function 1 POWVCC1 CH1,2 power supply terminal 2 POWGND1 Power GND1 3 VO1(-) Driver CH1 negative output (TOP VIEW) 4 VO1(+) Driver CH1 positive output 5 VO2(-) Driver CH2 negative output 6 VO2(+) Driver CH2 positive output POWVCC1 1 24 IN1 2 23 POWGND1 CNT 7 VO3(-) Driver CH3 negative output VO1(-) 3 22 IN2-1 8 VO3(+) Driver CH3 positive output VO1(+) 4 21 IN2-2 9 VO4(-) Driver CH4 negative output VO2(-) 5 20 BIAS 10 VO4(+) Driver CH4 positive output VO2(+) 6 19 IN3 11 POWGND2 Power GND2 VO3(-) 7 18 IN4 12 POWVCC2 CH3,4 power supply terminal VO3(+) 8 17 MUTE 13 PREVCC PRE,REG power supply terminal VO4(-) 9 16 PREGND 14 REG-B Connect to external Tr. Base VO4(+) 10 15 REG(+) POWGND2 11 14 15 REG-B REG(+) Regulator terminal of output feedback POWVCC 2 12 13 PREVCC 16 PREGND PRE Block and Regulator GND 17 MUTE MUTE terminal 18 IN4 CH4 input 19 IN3 CH3 input 20 BIAS BIAS input terminal Figure 2. Pin Configuration 21 IN2-2 CH2-2 input 22 IN2-1 CH2-1 input 23 CNT Control input terminal 24 IN1 IN1 input Block Diagram Figure 3. Block Diagram www.rohm.com TSZ02201-0G1G0C600020-1-2 2013 ROHM Co., Ltd. All rights reserved. 2/16 TSZ2211115001 3.JUL.2013 Rev.002