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NCP51561 Key Features

The NCP51561 can drive either silicon junction MOSFETs or silicon carbide MOSFETs, and can be configured as a dual low-side, dual high-side, or half-bridge gate driver. Independent undervoltage lockout protection is provided for both output drivers. The NCP51561 output drive capability includes 4.5 A peak source current for turning on and 9 A peak sink current for turning off. With a typical propagation delay of 36 ns and a 5 ns maximum delay matching between channels, the NCP51561 is an excellent choice for motor drive, isolated AC to DC or DC to DC power conversion applications, as well as uninterrupted power systems and solar inverters. The NCP51561 includes user-programmable dead-time control for half-bridge configurations, and it also allows cross-conduction mode for dual low-side and dual high-side configurations. Finally, the NCP51561 supports 5,000 V galvanic isolation from input to each output and 1,500 V peak differential voltage between output channels.

PTM Published on: 2023-05-16