Power Integrations RDK-851 Power Management IC Development Tools

Power Integrations RDK-851 Power Management IC Development Tools are three-phase inverter reference design boards based on the BridgeSwitch motor driver IC. The IC targets high-voltage BLDC fan applications. The inverter board drives a three-phase BLDC fan motor up to 0.22A_RMS motor current with >93% efficiency without an external heat sink. The design has a complete inverter stage with a control input interface to facilitate various control schemes.

Features

BridgeSwitch – high-voltage half-bridge motor driver featuring integrated 600V FREDFETs with ultra-soft, fast recovery diodes
Three-phase inverter design for high-voltage BLDC fan applications up to 50W
Fully self-biased operation on BridgeSwitch devices with an onboard external bias option
Instantaneous phase current output signal on each BridgeSwitch device
Single wire status update communication bus
External system sensing input

Integrated high-side and low-side cycle-by-cycle current limit on each BridgeSwitch device
Device overtemperature protection
High-voltage bus monitor with four undervoltage thresholds and one overvoltage threshold
PCB size customized for inverter fan designs – 88mm diameter round-shaped PCB in double-sided layout
>2.2mm PCB clearance/creepage
No external heat sink
Supports trapezoidal and sinusoidal commutation control schemes

Power Integrations RDK-851 Power Management IC Development Tools

Features

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