LB1981 - Sanyo

LB1981 Three-Phase Brushless Motor Driver

Pin number Pin name STBY 3 Pin voltage VCC1 max –0.2V min 100kΩ 3 100kΩ Equivalent circuit VCC1 Pin function When this pin is at 0.7V or less or when it is open, only the FG/PG amplifier operates. In the motor drive state, the pin should be at 2V or higher. A10858 4 SEL CSLP VCC1 max –0.2V min VCC1 100kΩ 4 100kΩ CSLP pin charge/discharge current swi.

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 Absolut.