NCP51561BADWR2G

Isolators - Gate Drivers Overview

The NCP51561BADWR2G is a galvanically isolated dual-channel gate driver from onsemi, housed in a 16-pin SOIC package. It provides 5 kVrms isolation between input and output channels with a 1200 V peak differential voltage capability. The device delivers a 4.5 A source and 9 A sink peak output current, supporting supply voltages from 18.5 V to 30 V. Key electrical parameters include a maximum propagation delay of 58 ns, rise time of 11 ns, and fall time of 10 ns. It operates within a temperature range of -40°C to +125°C and accepts logic inputs between 3 V and 5 V.

Isolators - Gate Drivers Feature Summary

• Provides high-speed signal transmission with low propagation delay and tight channel-to-channel matching for precise switching control.
• Features robust electromagnetic interference immunity with specified dV/dt rejection capabilities to prevent false triggering in noisy environments.
• Integrates independent undervoltage lockout protections for both output drivers to ensure safe operation under varying power conditions.

Isolators - Gate Drivers Applications

• Isolated half-bridge configurations for silicon carbide (SiC) and gallium nitride (GaN) power devices
• High-frequency DC-DC converters requiring galvanic isolation
• Industrial motor drives utilizing wide-bandgap semiconductors

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix BADWR2G against official datasheets to confirm pinout and isolation ratings. Ensure compatibility with system voltage requirements before integration. Check for automotive-grade variants if operating in harsh environments. Confirm RoHS compliance status through manufacturer documentation. Validate thermal management solutions for the SOIC-16 package during design.

Isolators - Gate Drivers Selection Notes

Select this component when high isolation voltage and fast switching speeds are required for wide-bandgap transistors. Compare propagation delay specifications against other isolated drivers to ensure timing accuracy. Consider the output current capabilities relative to the gate charge of the target power devices. Evaluate the operating temperature range against environmental constraints.

Isolators - Gate Drivers Part Context

This part belongs to the NCP51561 series of isolated gate drivers designed for high-performance power conversion applications. It complements other onsemi isolation products by offering integrated protection features and high reliability. The series supports various packaging options to fit different board space requirements while maintaining consistent electrical performance across the family.

Isolators - Gate Drivers Replacement Considerations

NCV51561BADWR2G is an automotive-grade variant of the same functional device. Verify that any substitute maintains identical isolation ratings and pin configuration. Cross-reference datasheets to ensure equivalent propagation delays and output drive strengths. Confirm that alternative parts meet the same thermal and electrical specifications for direct replacement.