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RT5112是一款智慧型電源管理IC,由1路低耗電的HCOT架構Buck轉換器、1路ACOT架構Boost轉換器和4路高PSRR、低壓差線性穩壓器構成,各通道啟停時序、輸出電壓和電壓動態調整變化速率可經I2C介面對內部寄存器的設定而進行控制,內建有輸出電壓過壓/欠壓保護、過流保護和過熱保護功能,以WL-CSP-25B 2.2x2.3 (BSC) 封裝形式供貨。
系統控制部分►硬體使能控制引腳►I2C控制介面►可程式控制通道啟停時序►IRQ插斷要求輸出►過壓保護►欠壓保護►過流保護►過熱保護►WL-CSP-25B 2.2x2.3 (BSC) 封裝
Buck轉換器►輸入電壓範圍:2.5V~5.5V►可程式控制輸出電壓範圍:0.6V~3.3V,12.5mV/級►最大持續負載能力:1.2A►HCOT控制架構►低靜態耗電
Boost轉換器►輸入電壓範圍:2.5V~4.4V►可程式控制輸出電壓範圍:4.5V~5.5V,25mV/級►最大持續負載能力:1A►ACOT控制架構►低靜態耗電
4路低壓差線性穩壓器►輸入電壓範圍:1.9V~5.5V►可程式控制輸出電壓範圍:0.6V~3.775V,25mV/級►LDO1/2 PSRR指標:70dB@1kHz,40dB@100kHz►LDO3/4 PSRR指標:50dB@1kHz,40dB@10kHz►負載能力:300mA►低靜態耗電
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