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RT5021 - 6 + 3 Channels DC/DC PMU

General Description

The RT5021 is a complete power supply solution for digital still cameras and other hand held devices.

The RT5021 is composed of a multi-channel DC/DC power converter unit, a single-cell linear Li-ion battery charger, a charger type detector, and an I2C control interface.

Key Features

  • Power Converter Unit z CH1 LV Sync Step-Up ` Support Up to 1A Loading, DVS (Dynamic Voltage Scaling), Load-Disconnect, Up to 95% Efficiency, PSM/PWM Selectable z CH2 LV Sync Step-Up/Down ` Support Up to 1A Loading, DVS, Up to 95% Efficiency, PSM/PWM Selectable z CH3/4 LV Sync Step-Down ` Support Up to 1.3A Loading, DVS, Up to 95% Efficiency, 100% (MAX) Duty Cycle, PSM/PWM Selectable z CH5 LV Sync Step-Down ` Support Up to 0.6A Loading, Up to 95% Efficiency, 100% (MAX) Duty Cycle ` Output Voltage.

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Datasheet Details

Part number RT5021
Manufacturer Richtek
File Size 1.24 MB
Description 6 + 3 Channels DC/DC PMU
Datasheet download datasheet RT5021 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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® RT5021 6 + 3 Channels DC/DC PMU with Li-ion Battery Charger for CMOS DSC/DV General Description The RT5021 is a complete power supply solution for digital still cameras and other hand held devices. The RT5021 is composed of a multi-channel DC/DC power converter unit, a single-cell linear Li-ion battery charger, a charger type detector, and an I2C control interface. The power converter unit includes one synchronous stepup converter (CH1), one synchronous step-up/down converter (CH2), three synchronous step-down converters (CH3/4/5), two LDOs with input power as low as 1.5V (CH6/8), one WLED driver in synchronous high-voltage step-up mode or low-voltage current regulator mode (CH7), and a keep-alive LDO (CH9) for RTC application.