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Toshiba Electronic Components Datasheet

TC78B004AFTG Datasheet

Brushless Motor Controller

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TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic
TC78B004AFTG
TC78B004AFTG
3-phase Full-wave Sine-wave PWM driving Brushless Motor Controller with Speed Control Function
1. Outline
The TC78B004AFTG is a 3-phase full-wave Sine-wave PWM
driving brushless motor control IC with the speed control
function.
Sine-wave PWM driving with 2-phase modulation enables
driving in high efficiency and low noise condition.
The speed control function which can change speed of the
motor is built in this product.
P-WQFN40-0606-0.50-001
Weight: 0.0849 g (typ.)
2. Features
Sine-wave PWM driving system
2-phase modulation system with low switching loss
Built-in Dead time function
External clock input
FLL + PLL speed control circuit
READY circuit output
Built-in FG amplifier
Built-in Auto lead angle correction function
Built-in CW/Stop (Standby) / CCW / Brake functions
Built-in Over current limitation function
Built-in Lock protection function
Note: This product has a MOS structure and is sensitive to electrostatic discharge. When handling this
product, ensure that the environment is protected against electrostatic discharge by using an
earth strap, a conductive mat and an ionizer. Ensure also that the ambient temperature and
relative humidity are maintained at reasonable levels.
The IC should be installed correctly. Otherwise, the IC or peripheral parts and devices may be
degraded or permanently damaged.
© 2019
1
Toshiba Electronic Devices & Storage Corporation
2019-01-08


Toshiba Electronic Components Datasheet

TC78B004AFTG Datasheet

Brushless Motor Controller

No Preview Available !

3. Block Diagram
CLD
TC78B004AFTG
Automatic lead
angle correction
Note: Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purposes.
2
2019-01-08


Part Number TC78B004AFTG
Description Brushless Motor Controller
Maker Toshiba
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