ECN30204
Description
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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