TB6551FAG,C,8,EL Toshiba

TB6551FG/FAG TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic TB6551FG, TB6551FAG 3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller The TB6551FG/FAG is designed for motor fan applications for three-phase brushless DC (BLDC) motors. TB6551FG Features Sine-wave PWM control Built-in triangular-wave generator (Carrier cycle = f /252 (Hz)) OSC Built-in lead angle control function (0 to 58 in 32 steps) Built-in dead time function (setting 2.6 s or 3.8 s) Bootstrap circuit compliant TB6551FAG Over-current protection signal input pin Built-in regulator (V = 5 V (typ.), 30 mA (max)) ref Operating supply voltage range: V = 6 V to 10 V CC P-SSOP24-0613-1.00-001 Weight: SSOP24-P-300-1.00 : 0.33 g (typ.) P-SSOP24-0613-1.00-001: 0.28 g (typ.) 1 2012-09-28 TB6551FG/FAG Block Diagram LA 23 X 14 in System clock 6-bit triangular generator wave generator 10 T d X 15 out 5-bit AD Phase HU 21 Comparator 4 bits U 9 U Counter Position detector HV 20 Phase 6 X Output HW 19 Data Comparator V waveform Setting select Internal 8 V generator Phase dead Phase V 22 e reference Comparator 5 Y matching time W voltage V 1 Regulator CC 7 W Switching 120/180 P-GND 3 120/180 4 Z and S-GND 13 Charger gate V 24 refout Comparator Rotating PWM block FG 12 OS Power-on direction protection HU reset on/off HV 120- RES 11 HW turn-on ST/SP I 3 matrix dc CW/CCW Protection & CW/CCW 18 ERR reset FG 17 GB REV 16 2 2012-09-28