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TB6556F

Features: • Sine-wave PWM control• Built-in triangular-wave generator (carrier cycle = fosc/252 (Hz))• Built-in lead angle control function (0° to 58° in 32 steps) External setting/automatic internal setting• Built-in dead time function (setting 2.6 µs or 3.8 µs...

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SeekIC No. : 004512748 Detail

TB6556F: Features: • Sine-wave PWM control• Built-in triangular-wave generator (carrier cycle = fosc/252 (Hz))• Built-in lead angle control function (0° to 58° in 32 steps) External setting...

TB6556F Data Sheet

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Part Number:
TB6556F
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Sine-wave PWM control
• Built-in triangular-wave generator (carrier cycle = fosc/252 (Hz))
• Built-in lead angle control function (0° to 58° in 32 steps) External setting/automatic internal setting
• Built-in dead time function (setting 2.6 µs or 3.8 µs)
• Supports bootstrap circuit
• Overcurrent protection signal input pin
• Built-in regulator (Vrefout = 5 V (typ.), 30 mA (max))
• Operating supply voltage range: VCC = 6 V to 10 V


Specifications

Characteristics Symbol Rating Unit
Supply voltage VCC 12 V
Input voltage Vin (1) −0.3~VCC (Note 1) V
Vin (2) −0.3~Vrefout + 0.3 (Note 2)
Turn-on signal output current IOUT 2 mA
Power dissipation PD 1.50 (Note 3) W
Operating temperature Topr −30~115 (Note 4) °C
Storage temperature Tstg −50~150 °C



Description

The TB6556F motor is driven by the square-wave turn-on signal based on a positional signal. When the positional signal reaches number of rotations f = 5 Hz or higher, the rotor position is estimated according to the positional signal and a modulation wave is generated. The TB6556F modulation wave and the triangular wave are compared; then the sine-wave PWM signal is generated and the motor is driven. From start to 5 Hz: When driven by square wave (120° turn-on) f = fosc/(212 × 32 × 6) 5 Hz~: When driven by sine-wave PWM (180° turn-on); when fosc = 4 MHz, approx. 5 Hz




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