TB6582FG

Preliminary Design Specifications TOSHIBA Bi-CMOS IC Silicon Monolithic TB6582FG TB6582FG PWM Type, Sine-Wave Current, and Sensorless 3-Phase Full-Wave Brushless Motor Controller The TB6582FG is designed for controlling the three-phase brushless DC fan motor. Features Sine-wave PWM control Built-in triangular-wave generator (carrier cycle = fosc/252 (Hz)) Built-in dead time function (1.8 µs) Built-in regulator (Vrefout = 5 V (typ.), 5 mA (max)) Operating supply voltage range: VCC = 6.5 to 16.5 V Weight: 0.45 g (typ.) The TB6582FG is RoHS-compliant. About solderability, following conditions were confirmed Solderability (1) Use of Sn-37Pb solder Bath · solder bath temperature = 230°C · dipping time = 5 seconds · the number of times = once · use of R-type flux (2) Use of Sn-3.0Ag-0.5Cu solder Bath · solder bath temperature = 245°C · dipping time = 5 seconds · the number of times = once · use of R-type flux 1 2007-10-18 Design Specifications Block Diagram Preliminary 0.1 µF VCC = 15 V VCC 10 5-V regulator 1 µF Vrefout 8 OSC/C 31 OSC/R 30 390 pF 6.8 kΩ MCU Sys. RES 14 EP 20 CW/CCW 19 Vrefout FGC 15 FG 22 REV 23 VBRK 4 VSP 7 SC 6 Internal reference voltage (5 V) System clock generator Operating mode select Output off Startup control Sine-wave control Operating mode control Duty control Vrefout VLA CLA 3 46 Lead angle control Phase current/induced voltage 6-bit triangular wave generator S/H phase current amplifier ×(−3) Regenerative prote...