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TB6633AFNG Datasheet 3-phase Full-wave Pwm Driver

Manufacturer: Toshiba

Overview: TOSHIBA Bi-CD Integrated Circuit Silicon Monolithic TB6633AFNG 3-Phase Full-Wave PWM Driver for Sensorless DC Motors TB6633AFNG The TB6633AFNG is a three-phase full-wave PWM driver for sensorless brushless DC (BLDC) motors. It controls motor rotation speed by changing the PWM duty cycle, based on the voltage of an analog control input.

General Description

Pin No.

1 Symbol VM 2 FPWM 3 CW_CCW 4 SEL_LAP 5 U 6 V 7 W 8 IR 9 PGND 10 OC 11 COM 12 SGND 13 FG_OUT 14 BRAKE 15 OSC_C 16 OSC_R 17 VSP 18 VST 19 TIP 20 TRE 21 FST 22 LA 23 SLOP 24 VREF I/O Description ― Motor power supply pin PWM frequency (fPWM) select input

Key Features

  • Sensorless drive in three-phase full-wave mode.
  • PWM chopper control.
  • Controls the PWM duty cycle based on an analog input (7-bit ADC) Weight: 0.136 g (typ. ).
  • Output current: IOUT = 0.6 A typ. (1 A max).
  • Power supply: VM = 4.5 V to 22 V (25 V max).
  • Forward and reverse rotation.
  • Lead angle control (0°, 15° and 30°).
  • Overlapping commutation (120°, 135° and 150°).
  • Selectable duty cycle modulation period upon.

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TB6633AFNG Distributor