Description
RT6543A – Triple Synchronous Step-Down Converter with I²C Programmable Outputs
The RT6543A from Richtek is a high-performance, triple-channel synchronous buck converter designed to power a wide range of embedded and portable systems. It integrates three high-efficiency step-down converters capable of supplying up to 2A (per channel), making it suitable for powering processors, memory, FPGAs, and other digital loads.
One of the key features of the RT6543A is its I²C interface, allowing dynamic voltage scaling and configuration of output voltages, enabling flexibility and real-time power management. With built-in protections such as OVP, UVP, SCP, OTP, and power sequencing, it ensures robust and safe operation in compact designs.
Key Features:
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Triple-channel step-down DC-DC converter
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Output current: Up to 2A per channel
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Wide input voltage range: 2.5V to 5.5V
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I²C interface for programmable output voltage
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Integrated power sequencing
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Protections: OVP, UVP, SCP, OTP
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High efficiency and compact QFN-24 (4x4mm) package
Applications:
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Embedded systems
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Portable electronics
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Network and communication devices
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FPGA and ASIC power supplies
The RT6543A offers high integration, flexibility, and efficiency—ideal for modern multi-rail power designs.
Please Note:
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No Returns, Exchanges, or Warranty available.
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Kindly verify the model number and ensure it matches your product before placing an order.
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We guarantee premium quality.
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All items are thoroughly inspected prior to shipping.
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