DReovcisNioon. . T2A4-EA-06255
Product Standards
AN44142A
Driver IC for 3-phase Brushless Motor
FEATURES
Supply vol...
DReovcisNioon. . T2A4-EA-06255
Product Standards
AN44142A
Driver IC for 3-phase Brushless Motor
FEATURES
Supply voltage range: 4.5 V ~ 26.4 V Built-in 5-V
regulator 3-phase full-wave sine-wave PWM drive by 1-Hall-sensor Selectable Input Mode: Either linear voltage input or PWM input through VSP pin Controllable lower limit for linear voltage input mode through VSPL pin Conduction angle auto driver phase shift correction Rotation direction selectable (Forward/Reverse) FG pulse divide selectable Sleep mode Various protection functions:
Under Voltage Lock Out (UVLO), Over Voltage Lock Out (OVLO), Thermal protection, Over Load Protection, and Over Current Protection
DESCRIPTION
AN44142A is a driver IC for 3-phase brushless motor optimized for fan motors. By employing the rotor position detector and sine wave PWM drive by 1-Hall-sensor, this IC achieves component reduction and miniaturization of motor set as well as motor drive at low noise, lo...