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TB6556FG Datasheet(PDF) 5 Page - Toshiba Semiconductor

Part No. TB6556FG
Description  3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller
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Maker  TOSHIBA [Toshiba Semiconductor]
Homepage  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TB6556FG Datasheet(HTML) 5 Page - Toshiba Semiconductor

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TB6556FG
2012-10-22
5
Pin Description
Symbol
Input/Output Signal
Input/Output Internal Circuit
Lead angle setting signal
input pin
0 V: 0°
5 V: 58°
(5-bit AD)
LA
When LA is fixed externally, connect
LL to GND and UL to Vrefout, and then
input the setting voltage to the LA pin.
Input voltage range: 0 V to 5.0 V
(Vrefout)
Input voltage of Vrefout or higher is
clipped to Vrefout.
When LA is fixed automatically, open
the LA pin. In this state, the LA pin is
used only for confirmation of LA width.
Gain setting signal input
(LA setting)
Gin
Gout
Non-inverted amplifier
25 dB (max)
Gout output voltage
LOW: GND
HIGH: VCC − 1.7 V
Peak hold
(LA setting)
PH
Connect the peak-hold capacitor and
discharge resistor to GND, parallel to
each other.
100 k
Ω/0.1μF recommended
Low-pass filter
(LA setting)
LPF
Connect the low-pass filter capacitor
Built-in 100 k
Ω (typ.) resistor
0.1
μF recommended
Lower limit for LA
LL
Clip lower limit for LA
LL = 0 V to 5.0 V
When LL
 UL, LA is fixed at LL value.
VCC
100
100
VCC
100 k
100
100
VCC
VCC
VCC
100
Automatic LA
circuit
VCC
VCC
Gin
Gout
Idc
To peak
hold circuit
100


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