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RT5133A 是高集成度的電源管理 IC,其內含 8 個線性穩壓器,可為可擕式產品的攝像模組提供 2 個 DVDD、4 個 AVDD、1 個 VIO、1 個 VAF 電源供應和 3 個 GPO 端子,它們的輸出電壓、軟啟動時間和保護特性均可經由 I2C 介面寫入其寄存器的資料進行控制。在實際應用中,LDO1 可為 IO 部分供電(VIO),LDO2 可為自動聚焦單元供電(VAF),LDO3~LDO6 可為 AVDD 供電,LDO7/8 可為 DVDD 供電,3 個 GPO 端子可對外部設備進行控制,亦可改作他用。RT5133A 的封裝形式為 WL-CSP-25B 1.84x1.84 (BSC)。
全域►硬體使能端►I2C 控制介面►可程式控制各通道開/關順序►IRQB 輸出►輸入欠壓保護►過熱保護
線性穩壓器(LDO)►LDO1/2 ♦為 VIO18 和自動聚焦電路供電 ♦輸入電壓範圍:2.8V~5V ♦輸出電壓 I2C 可調 ♦PSRR = 70dB@1kHz ♦負載能力:300mA►LDO3/4/5/6 ♦為 AVDD 供電 ♦輸入電壓範圍:2.8V~5V ♦輸出電壓 I2C 可調 ♦PSRR = 85dB@1kHz ♦負載能力:300mA►LDO7/8 ♦為 DVDD 供電 ♦輸入電壓範圍:1.1V~5V ♦輸出電壓 I2C 可調 ♦PSRR = 75dB@1kHz ♦負載能力:600mA/1000mA
GPO►3 個端子,可用於控制其他調節器
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