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TC78B002FNG Datasheet Single Phase Full-wave Driver

Manufacturer: Toshiba

Overview: TOSHIBA CMOS Integrated Circuit Silicon Monolithic TC78B002FNG Single Phase Full-wave Driver for Fan Motor TC78B002FNG TC78B002FNG is a single phase full-wave driver for fan motor. It has a DMOS device in an output transistor. A highly effective drive is possible by adopting a DMOS output driver with low ON resistance and a PWM drive system.

General Description

Pin No.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin name VREG HP HM OSCR RDO OUT1 GND RS VM OUT2 FG VSP VOFF LA VMI VSOFT TC78B002FNG Description Output pin for reference voltage of 5 V Hall signal input pin + Hall signal input pin－ Connection pin for resistor of oscillation circuit Output pin for lock detection Motor output pin 1 Connection pin for ground Connection pin for detecting resistor of output current Power supply pin Motor output pin 2 Rotating output pin Setting pin for output duty Setting pin for OFF term in switching conducting phase Setting pin for lead angle Setting pin for minimum output duty Setting pin for soft switching term 4 2013-10-17 TC78B002FNG Absolute Maximum Ratings (Ta = 25°C)

Key Features

  • Single-phase full-wave drive.
  • Motor power supply voltage: VM =16V (maximum operating range).
  • Output current: Iout = 1.5A (max. ).
  • PWM control.
  • Built-in oscillation circuit (External resistor).
  • Soft switching drive.
  • Lock protection, Automatic recovery.
  • Quick start.
  • Built in hall bias.
  • Rotation Speed Detection (FG) and Lock Detection (RDO) Output.
  • Current limit function.
  • Built in over curren.

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TC78B002FNG Distributor