RT9941 ics equivalent, power management ics.
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Charger Adapter & Battery Two Input with Auto Power Dynamic Path. ` PWR_IN LDO support continuous 1.5A, peak 2A current ` 4.5V to 5.5V Operation Voltage Range with Max.
They utilize a proprietary hysteretic PWM control scheme that switches with nearly fixed frequency and is adjustable, a.
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