LB1896

Ordering number: EN5225 Monolithic Digital IC LB1896 3-phase Brushless Motor Driver for CD-ROM Spindle Drive Use Overview The LB1896 is a 3-phase brushless motor driver IC that is ideal for driving CD-ROM spindle motors. Package Dimensions unit : mm 3219-QFP34H-C [LB1896] Functions and Features v v v v 120 ° voltage linear technique V-type control voltage Switchable control gain Control, noncontrol, acceleration/deceleration mode select pins built in. v Start/Stop pin built in, Hall bias built in. Specifications Absolute Maximum Ratings at Ta = 25 °C Parameter Maximum supply voltage Applied output voltage Output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC1 max VCC2 max VOU, V, W IOUT Pd max Topr Tstg Independent IC Conditions SANYO : QFP34H – C Ratings 20 7.0 20 1.2 0.77 –20 to +75 –55 to +150 Unit V V V A W °C °C Operating Conditions at Ta = 25 °C Parameter Supply voltage VCref input voltage VNS input voltage Symbol VCC1 VCC2 VCref VNS VCC1 ^ VCC2 Conditions Ratings 5 to 18 4.3 to 6.5 VCC2/2 ±1.0 0 to VCC2 –1.0 Unit V V V V SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 13096HA(II) No.5225-1/8 LB1896 Allowable power dissipation, Pd max — W Ambient temperature, Ta — °C Electrical Characteristics at Ta = 25 °C, VCC1 = 12 V, VCC2 = 5 V Parameter Supply current 1 Supply current 2 Supply current 3 [Drive block] Output saturation volt...