TPS6521815RSL – TEXAS INSTRUMENTS

The TPS6521815RSL is a highly integrated, 150mA step-down converter from Texas Instruments, optimized for low-power applications requiring high efficiency. This specific part number denotes a surface-mount device in a tiny 6-pin WSON (WCSP) package (3x3mm), ideal for space-constrained designs. It features a wide input voltage range of 2.7V to 5.5V, allowing operation from a single-cell Li-ion battery or a variety of regulated supplies. The device boasts a switching frequency of 1.2MHz, minimizing the size of external components. Its synchronous architecture contributes to high efficiency, typically exceeding 90% across its operating range, making it suitable for battery-powered devices aiming to maximize runtime._x000D_
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The TPS6521815RSL incorporates features like programmable output voltage, adjustable soft-start, and overcurrent protection, enhancing its robustness and reliability. Common use cases include powering sensor nodes, wearable electronics, and other low-power microcontrollers where high efficiency and a small footprint are critical. Its integrated 150mA current limit ensures adequate power delivery for many applications while preventing overload. The device’s ease of use, requiring minimal external components, simplifies design and reduces board space, making it a compelling choice for power management in compact, energy-efficient systems.