TB67B054FTG,EL Toshiba

TB67B054FTG TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic TB67B054FTG Sine-wave PWM Drive Three-phase Full Wave Brushless Motor Controller The TB67B054FTG is developed for three-phase brushless DC motors of motor fans. Features Sine-wave PWM control Triangular-wave generator (carrier frequency = f /252 Hz) osc P-VQFN32-0505-0.50-005 Lead angle control (0 to 58 in 32 separate steps) Weight: 0.07 g (typ.) External setting or automatic internal control Current-limiting input pin Internal voltage regulator circuit (V = 5 V (typ.), 30 mA (max)) refout Operating supply voltage range: V = 6 V to 16.5 V CC 2017 1 2017-10-31 Toshiba Electronic Devices & Storage Corporation TB67B054FTG Block diagram Gin Gout PH ALA LPF LA UL 24 23 22 21 20 18 19 Upper limit Peak hold + Filter OSC/C 5 6-bit OSC/R 6 triangular System clock wave HUP generator 7 generator HUM 8 5-bit ADC HVP 9 Comparator U Position HVM U 10 29 Counter Output estimation HWP X 11 32 waveform Comparator Data V Dead HWM generator 12 selector V 30 Internal Phase time Vsp 17 ref. Y alignment Comparator 1 W control voltage Voltage V 26 CC W 31 regulator 120/180 Z 120/180 2 select GND 13 Charger & V Comparator 28 refout PWM gate FG Rotation Power-on direction block HU reset HV 120 RES 14 HW commutation ST/SP Idc matrix 25 CW/CCW Protection CW/CCW 15 ERR & GB Reset NC 16 FG 3 NC 27 REV 4 Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purposes. 2 2017-10-31