Integrated, Single-Chip Direct BLDC Motor Driver IC

 Integrated 3-Phase BLDC motors operating from a 450VDC (down to 20VDC) voltage bus

 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-wheeling diodes

 Pinout and Board Layout are compatible with the existing Hitachi ECN3022

 Breakdown, Max rated 500VDC/1.5A

 Latch-Up free monolithic IC built with a high voltage Dielectrically Isolated (DI) process

 Available in 3 package types with built-in heat sink (Tab)

 Functions and Features

 Simple Variable Speed Control via a single (VSP) analog input

 PWM Speed Control without requiring a MicroController

 PWM duty cycle generator provides a 0% to 100% speed control range

 Tachometer - Generates a (RPM/60)x(P/2) x 3 Hertz speed signal (FG)

 BOTTOM Arms switch at up to 20kHz via an on-chip OSC/PWM

 On-Chip 7.5VDC regulator (CB) with a guaranteed external Min load (25mA)

 Over-Current protection is set by an external Sense Resistor (RS)

 Under-Voltage protection for TOP and BOTTOM IGBT Arms

 An all output IGBT Shut-OFF function

 Low stand-by power

 

 

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