ISL8282M

The ISL8282M is a PMBus enabled DC/DC single channel step-down power supply featuring the proprietary Renesas R4? Technology. The module supports a wide 4.5V to 16.5V input voltage range and a wide 0.5V to 5V output range capable of delivering up to 15A of continuous current. The ISL8282M achieves up to 95% conversion efficiency and is optimized for high power density. Integrated LDOs provide module bias voltage allowing for single supply operation. The ISL8282M includes a SMBus/PMBus/I2C interface for device configuration, telemetry (VIN, VOUT, IOUT, and temperature), and fault reporting.

The proprietary Renesas R4 control scheme has extremely fast transient performance, accurately regulated frequency control, and all internal compensation. An efficiency enhancing PFM mode greatly improves light-load efficiency. The ISL8282M’s serial bus allows for easy R4 loop optimization that results in fast transient performance across a wide range of applications including all ceramic output filters.

The ISL8282M has four 8-bit configuration pins that provide very flexible configuration options (such as frequency, VOUT, and AV gain) without the need for built-in NVM memory. As a result, the design flow closely matches traditional analog modules while still offering the design flexibility and feature set of a digital SMBus/PMBus/I2C interface. The ISL8282M features remote voltage sensing, completely eliminates any potential difference between remote and local ground, and improves regulation and protection accuracy. A precision enable input coordinates the startup of the ISL8282M with other voltage rails and is especially useful for power sequencing.

The ISL8282M integrates all power and most passive components to minimize the external components and significantly reduce design complexity and board space. The ISL8282M is available in a low-profile, thermally enhanced, compact 12mmx11mmx5.3mm fully encapsulated HDA package.


2019年04月01日    https://www2.renesas.cn/cn/zh/products/power-management/digital-power/digital-power-modules/device/ISL8282M.html?cid=r_top-1_prd_isl8282m_190318

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