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Single-chip power and communication IC; up to 7.5W

The iW1680 is a single-chip solution that supports 5W and 7.5W output power and uses Dialog's intelligent Rapid Charge™ digital algorithm and digital PrimAccurate™ primary-side control to significantly reduce charge times in USB AC/DC power adapters with no additional bill of materials cost versus slower conventional charging technologies.

IW1680高效，提供无负载待机功率<30mW，与美国能源部的外部电源效率要求和版本5，欧盟外部电源行为准则的第5级。IW1680还提供完整的保护功能，包括过电压，短路和过温保护。

MediaTek's Pump Express protocol enables up to 45% faster charging times (compared to conventional chargers) for feature phones, smartphones and media tablets. Conventional USB adapters provide 5V to the handset, which requires a buck converter to convert that 5V down to a usable voltage level by the phone. Using Dialog’s rapid charge technology, the output voltage of the iW1680 scales as needed by the system, reducing charging time and lowering system cost by removing the need for an input buck converter.

对于Mediatek Pump Express Plus兼容的控制器，高达36W输出功率，请参阅iW1788.

特征

支持s MediaTek Pump Express™ fast charge protocol
7.5W PrimAccurate™ isolated off-line controller
- Eliminates secondary-side regulator and optical feedback isolator
Built-in digital intelligence on primary side for intelligent dynamic voltage scaling to optimize charge time
符合DOE外部电源和欧盟行为第5版，第2层标准
- <30mW no-load power consumption
自适应多模PWM / PFM控制提高了效率
No audible noise over the entire operating range