TC78B041FNG,EL Toshiba

TC78B041FNG/TC78B042FTG TOSHIBA CDMOS Integrated Circuit Silicon Monolithic TC78B041FNG/TC78B042FTG Sine-wave PWM Drive Three-phase Full Wave Brushless Motor Controller TC78B041FNG and TC78B042FTG are developed for three-phase brushless DC fan motors. The TC78B041FNG adopts SSOP30 type package. The TC78B042FTG adopts QFN32 type package, adding RESX and VREF2 pins. Features SSOP30-P-300-0.65 Sine-wave PWM control Weight: 0.18 g (typ.) Automatic lead angle control (InPAC: Intelligent Phase Control) Lead angle control with external input Hall sensor input/Hall IC input Forward rotation/Reverse rotation switch Number of pulses of rotation pulse signal output is selectable. Output current can be limited. Built-in regulator circuit (VREF= 5 V (typ.), 35 mA (max)) Operating supply voltage range: VCC = 6 V to 16.5 V P-VQFN32-0505-0.50-005 Built-in motor lock detection Weight: 0.06 g (typ.) 2017-2019 1 2019-4-12 Toshiba Electronic Devices & Storage Corporation TC78B041FNG/TC78B042FTG Block diagram VREF VREF2 VCC 5V Regulator HUP UVLO UH HUM HVP VH HVM WH HWP UL HWM VL MODE WL CWCCW RES RESX Logic VSP LAS IDC LA AD FGC Zero RSI LAAJ current detection LAL RSG FG Lock OSC detection GND TR OSCR Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purposes. Note: RESX pin and VREF2 pin are only for the TC78B042FTG. 2 2019-4-12