LB1981V

Ordering number : ENN5917 LB1981V Monolithic Digital IC LB1981V Three-Phase Brushless Motor Driver Overview The LB1981V is a three-phase brushless motor driver especially suited for use mainly with drum motors of portable VCRs. Package Dimensions unit: mm 3191-SSOP30 30 16 Features Three-phase full-wave drive brushless sensorless motor drive Soft switching drive Power-saving speed control function due to motor voltage Use with 3V power supply possible Output residual voltage can be set in 4 ways Forward/reverse switching possible Built-in standby function (FG and PG amplifier only remain operative) Built-in braking circuit Built-in thermal shutdown circuit Built-in FG and PG amplifiers Built-in saturation prevention amplifier and midpoint control circuit 5.6 7.6 0.15 9.95 0.22 0.65 0.43 0.1 1.6max 1 15 SANYO : SSOP30 Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Power supply voltage Symbol Conditions VCC1 max VCC2 max VS max VO max VIN1 max Control circuits VIN2 max U, V, W, COM IO max Pd max Topr Tstg Ratings 7 12 VCC2 VS+2 –0.3 to VCC1+0.3 VS+2 1.0 0.5 –20 to +75 –55 to +150 Unit V V V V V V A W °C °C Applied output voltage Applied input voltage Output current Allowable power dissipation Operating temperature Storage temperature Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, ...