LB1922

Ordering number : EN5679 Monolithic Digital IC LB1922 Three-Phase Brushless Motor Driver for Office Automation Applications Overview The LB1922 is a single-chip drive circuit that provides the direct PWM drive output appropriate for the power brushless motors used in office automation equipment. It provides a variety of peripheral circuits on chip, including a speed control circuit and an FG amplifier. It is optimal in systems that use a 12-V power supply. Package Dimensions unit: mm 3147A-DIP28HS [LB1922] Allowable power dissipation, Pd max – W With an arbitrarily large heat sink Ambient temperature, Ta – °C SANYO: DIP28HS Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Supply voltage Output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC VM IO Pd max1 Pd max2 Topr Tstg T ≤ 100 ms Independent IC With an arbitrarily large heat sink Conditions Ratings 20 20 3.1 3 20 –20 to +80 –55 to +150 Unit V V A W W °C °C Allowable Operating Ranges at Ta = 25°C Parameter Supply voltage range FG Schmitt output applied voltage Symbol VCC VM VFGS IO1 Fixed-voltage output current IO2 IO3 FG Schmitt output current Lock detection output current IFGS ILD 7 V output 5 V output 4 V output Conditions Ratings 9.5 to 18 9 to 18 0 to 8 0 to –20 0 to –20 0 to –15 0 to 5 0 to 20 Unit V V V mA mA mA mA mA SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN ...