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TB6634FNG Arkusz danych(PDF) 6 Page - Toshiba Semiconductor

Numer części TB6634FNG
Szczegółowy opis  3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller
PDF  29 Pages
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Producent  TOSHIBA [Toshiba Semiconductor]
Strona internetowa  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TB6634FNG Arkusz danych(HTML) 6 Page - Toshiba Semiconductor

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TB6634FNG
2015-4-3
6
Pin
Symbol
Input/Output Signal
Internal Circuit
Gain setting
(Lead angle control circuitry)
Gin
Gout
Non-inverting amplifier
25 dB max
Gout output voltage
Low: GND
High: VCC - 1.7 V
Peak hold
(Lead angle control circuitry)
PH
A peak-hold capacitor and a
discharge resistor are connected to
the PH pin.
Recommended R/C: 100 kΩ/0.1 μF
Lowpass filter/
Lead angle control input
(Lead angle control circuitry)
LPF/LA
A capacitor for the RC lowpass filter
is connected to this pin.
A 100-kΩ (typ.) resistor is
contained on-chip.
Recommended C value: 0.1 μF
In case lead angle is fixed
externally,
UL is connected to Vrefout. Setting
voltage is input to LA pin.
Input range 0 to 5.0 V (Vrefout)
Input voltage of Vrefout or more is
fixed to maximum lead angle of
58°.
Lead angle (5-bit AD)
0 V: 0°
5 V: 58°
Upper limit for LA
UL
If the voltage applied to the LA
input exceeds the upper limit set by
this input, it is clipped to limit the
lead angle.
UL = 0 to 5.0 V
Current limit control input
Idc
Analog filter time constant 1 μs
(typ.)
Digital filter 5 CLK@fOSC
When the Idc voltage exceeds 0.3
V (typ.), the commutation signal
outputs low. (It is deactivated after
a carrier cycle)
If Ids is open, all the commutation
outputs are disabled.
VCC
100 Ω
Vrefout
200 kΩ
Comparator
Gout
Gin
100 Ω
VCC
100 kΩ
100 Ω
VCC
100 Ω
100 Ω
VCC
VCCt
Gin
Gout
Idc
To peak
hold
circuitry
100 Ω



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