TPIC6273DWG4 – TEXAS INSTRUMENTS

The TPIC6273DWG4 is a monolithic, high-voltage, eight-channel, three-state, bus-driven, current-sinking interface IC. It operates from a single 4.5V to 26V supply voltage, making it suitable for a wide range of applications requiring direct interfacing with high-voltage loads. Each channel features a high-current sink capability, typically 150mA, allowing it to directly drive LEDs, relays, or other inductive loads without requiring external transistors. The three-state output enables bus-sharing and simplifies control logic. The device is packaged in a space-saving 20-pin TSSOP (Thin Shrink Small Outline Package)._x000D_
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Its key advantage lies in its ability to handle both high voltage and relatively high currents per channel within a compact form factor. This eliminates the need for discrete transistors and associated circuitry, reducing component count, PCB area, and overall system cost. Common use cases include driving high-power LEDs in automotive lighting or industrial signage, controlling multiple relays in industrial automation systems, and managing high-voltage actuator circuits. Designers should note the need for appropriate current limiting in each channel to prevent exceeding the absolute maximum ratings, and consider the inherent propagation delay of approximately 50ns when implementing high-speed switching applications.