TC78B009FTG,EL Toshiba

TC78B009FTG CDMOS Linear Integrated Circuit Silicon Monolithic TC78B009FTG Sensorless PWM predriver for 3-phase brushless motor 1. Outline The TC78B009FTG is a 3-phase PWM chopper predriver for sensorless brushless motor. Motor speed can be controlled 2 by selecting among the PWM duty cycle, analog voltage, and I C. Non-volatile memory (NVM) is implemented and it can set according to the motors and directions for use. It also realizes closed loop speed control function without an external microcomputer. P-WQFN36-0505-0.50-001 TC78B009FTG is used with six external MOSFETs inverter to drive sensorless brushless motors of which output range is wide. Weight: 0.06 g (typ.) 2. Applications Fan, Pump, Portable Vacuum motors 3. Features Sensorless PWM drive Capable to drive Delta or Wye configured motors Operating voltage: 5.5 to 27V (absolute maximum rating: 30V) Predriver for high side and low side N-ch MOSFETs drive 8 selectable levels of gate drive current Built-in closed loop speed control with adjustable speed curve 2 Motor speed control by analog voltage, PWM duty cycle, or I C 2 Serial interface (I C) for various settings Standby mode (by STBY pin) Current monitor output (PHBF pin) CW/CCW control (CWCCW pin) Brake input pin (BRAKE pin) Rotation speed output (FG pin) Abnormality detection output (ALERT pin) Thermal shutdown (TSD) Under voltage lockout (UVLO) Charge pump low voltage detection (CPVSD) Output current limit (OCP) Over current detection (ISD) Lock protection Small QFN36 package 2019 1 2019-04-25 Toshiba Electronic Devices & Storage Corporation TC78B009FTG 4. Block Diagram 2 I C Note: Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purposes. Figure 4.1 Block Diagram 2 2019-04-25