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Toshiba Electronic Components Datasheet

TC78B042FTG Datasheet

Brushless Motor Controller

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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
Sine-wave PWM control
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
Built-in motor lock detection
SSOP30-P-300-0.65
Weight: 0.18 g (typ.)
P-VQFN32-0505-0.50-005
Weight: 0.06 g (typ.)
© 2017-2019
1
Toshiba Electronic Devices & Storage Corporation
2019-4-12


Toshiba Electronic Components Datasheet

TC78B042FTG Datasheet

Brushless Motor Controller

No Preview Available !

Block diagram
TC78B041FNG/TC78B042FTG
HUP
VREF VREF2
VCC
5V Regulator
UVLO
UH
HUM
HVP
VH
HVM
WH
HWP
UL
HWM
MODE
VL
CWCCW
WL
RES
RESX
VS P
Logic
LA S
LA
FGC
LA AJ
LA L
FG
IDC
AD
Zero
current
detection
RSI
RSG
Lock
detection
TR
OS C
OS CR
GND
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



Part Number TC78B042FTG
Description Brushless Motor Controller
Maker Toshiba
Total Page 3 Pages
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