CN3300 - PFM Step-up Battery Charger Controller

General Description

The CN3300 is a step up battery charger controller IC which operates from an input voltage of 4V to 28V.

CN3300 pfm step-up battery charger controller by CONSONANCE - Datasheet Preview

Datasheet Details

Part number	CN3300
Manufacturer	CONSONANCE
File Size	201.63 KB
Description	PFM Step-up Battery Charger Controller
Datasheet	CN3300 Datasheet

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Full PDF Text Transcription (Reference)

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CONSONANCE PFM Step-up Battery Charger Controller IC CN3300 General Description: The CN3300 is a step up battery charger controller IC which operates from an input voltage of 4V to 28V. The CN3300 includes on-chip reference voltage, +5V voltage regulator, inductor current sensing, battery voltage monitoring and N-channel MOSSFET driving blocks, etc, which makes the CN3300 easy to be used with few external components. The CN3300 enter charging mode on power up, the external N-channel MOSFET is turned on, when the inductor current rises to the upper limit, the N-channel MOSFET is turned off, then inductor current begins to fall, the energy stored in inductor is transferred to the battery.