PDF, 466 Kb, Language: en, File published: Nov, 2017
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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 = fosc/252 Hz) Lead angle control (0В° to 58В° in 32 separate steps) Weight: 0.07 g (typ.) External setting or automatic internal control Current-limiting input pin Internal voltage regulator circuit (Vrefout = 5 V (typ.), 30 mA (max) P-VQFN32-0505-0.50-005 Operating supply voltage range: VCC = 6 V to 16.5 V В© 2017
Toshiba Electronic Devices & Storage Corporation 1 2017-10-31 TB67B054FTG
Block diagram
Gin 24 Gout 23 PH 22 Peak hold OSC/C 5
OSC/R 6 + LPF 20 LA 18 HUM 8 UL 19
Upper limit Filter 6-bit
triangular
wave
generator System clock
generator HUP 7 5-bit ADC HVP 9
Position
estimation HVM 10
HWP 11
HWM 12
Vsp 17
VCC 26 ALA 21 Voltage
regulator Internal
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