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ECN30204 - 3-Phase BLDC Motor Driver IC

General Description

Integrated, Single-Chip 3-Phase BLDC Motor Driver IC.

Integrated Charge Pump

Constant TOP Arm bias independent of motor speed.

Integrated 3-Phase Brushless (Electronic) commutation via external Hall ICs.

Integrated 3-Phase 6-IGBT Motor Bridge with on chip Free-Wheel

Key Features

  • Vs Operating Voltage Range from 15VDC up to 450VDC.
  • Simple Variable Speed Control via a single (VSP) analog input.
  • PWM duty cycle generator provides the 0% to 100% speed control range.
  • Tachometer.
  • Generates the (RPM/60)× (P/2)× 3 Hz speed signal (FG).
  • BOTTOM Arms switch at up to 20kHz via an on-chip OSC/PWM.
  • On-Chip 7.5VDC regulator (CB) with the guaranteed external Min load (25mA).
  • Over-Current protection is set by an external Sense Resistor (R.

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Full PDF Text Transcription (Reference)

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3-Phase BLDC Motor Driver IC P1/16 ECN30204 The ECN30204 is a fully integrated BLDC motor driver IC that facilitates a rapid design process and low part count solution. The IC integrates a commutation-logic, a PWM signal generator, IGBTs, FWDs(Free Wheeling Diodes), a charge pump, protection circuits, etc. The IC can drive a BLDC motor with a high voltage DC power supply (up to 450VDC) directly rectified from AC power line (up to 230VAC) for downsizing a system and reducing power consumption. Description · Integrated, Single-Chip 3-Phase BLDC Motor Driver IC. · Integrated Charge Pump – Constant TOP Arm bias independent of motor speed. · Integrated 3-Phase Brushless (Electronic) commutation via external Hall ICs.