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PDF TC78B002FTG Data sheet ( Hoja de datos )
| Número de pieza | TC78B002FTG | |
| Descripción | Single-phase full-wave drive | |
| Fabricantes | Toshiba Semiconductor | |
| Logotipo |  |
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TOSHIBA CMOS Integrated Circuit Silicon Monolithic
TC78B002FTG
Single Phase Full-wave Driver for Fan Motor
TC78B002FTG
TC78B002FTG 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.
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 current protection
• Built in thermal shut down circuit
http://www.DataSheet4U.net/
TC78B002FTG
P-WQFN16-0303-0.50-002
Weight: 0.02g (typ)
1
2013-03-19
datasheet pdf - http://www.DataSheet4U.net/
1 page  
TC78B002FTG
Absolute Maximum Ratings (Ta = 25°C)
Characteristics
Symbol
Rating
Unit
Power supply voltage
Input voltage
Output voltage
Output current
OUT1,OUT2
VREG
FG pin sink current
RDO pin sink current
Power dissipation
Operating temperature
Storage temperature
VM
VIN
VOUT
IOUT
IOUT
IFG
IRDO
PD
Topr
Tstg
18
-0.3~6 (Note 1)
18 (Note 2)
1.5 (Note 3)
10
10
10
2.5 (Note 4)
-40 to 105
-55 to 150
V
V
V
A
mA
mA
mA
W
°C
°C
Note: The absolute maximum ratings of a semiconductor device are a set of ratings that must not be exceeded, even for a
moment. Do not exceed any of these ratings. Exceeding the rating (s) may cause the device breakdown, damage or
deterioration, and may result injury by explosion or combustion. Please use the IC within the specified operating ranges.
Note 1: VMI, VSP, VSOFT, VOFF, and LA pins
Note 2: OUT1, OUT2, FG and RDO pins
Note 3: Power dissipation must not be exceed
Note 4: Mounted on a glass epoxy board (74mm×74mm×1.6mm 4 layers, FR-4 board)
Package Power Dissipation
PD (W)
3
2.5
(1)
http://www.DataSheet4U.net/
2
1.5
1 (2)
0.5
0
0
25 50 75 100 125 150 Ta (℃)
(1) When mounted on the board (74mm×74mm×1.6mm 4 layers, FR-4 board) Rth(j-a)=50℃/W
(2) When mounted on the board (⌀40mm×1.6mm 1 layer, FR-4 board) Rth(j-a)=160℃/W
Operating Ranges (Ta = 25°C)
Characteristics
Symbol
Min Typ. Max
Unit
Power supply voltage
Power supply for low voltage
operation
Internal oscillation frequency (Note 1)
PWM frequency
Input voltage (Note 2)
VMopr1
VMopr2
fOSC
fPWM
VIN
5.5 12
16
V
3.5 4.5 5.5
V
8 10 12 MHz
20 25 30 kHz
0
⎯ VREG
V
Note 1: In low-voltage operation, operation with frequency more than 10MHz is not covered under guarantee.
Note 2: VMI, VSOFT, VOFF, and LA pins
5
2013-03-19
datasheet pdf - http://www.DataSheet4U.net/
5 Page 
Pin name
VM
OUT1
OUT2
RS
I/O signal
Motor output pin
TC78B002FTG
Equivalent circuit
VM
OUT1
OUT2
OSCR
Connection pin for resistor of oscillation circuit
0.3V
RS
VREG
VREG
http://www.DataSheet4U.net/
OSCR
11
2013-03-19
datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet TC78B002FTG.PDF ] | |
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