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RT9519A - Linear Single Cell Li-lon Battery Charger

General Description

The RT9519A is an integrated single-cell Li-ion battery charger with auto power path management (APPM).

No external MOSFETs are required.

The RT9519A enters sleep mode when power is removed.

Key Features

  • include under voltage protection and over voltage protection for VIN supply. The recommended junction temperature range spans from.
  • 40C to 125C, while the ambient temperature range extends from.
  • 40C to 85C. Ordering Information RT9519A Package Type QW : WQFN-20L 3x3 (W-Type) Lead Plating System G : Richtek Green Policy Compliant Note: Richtek products are Richtek Green Policy compliant and compatible with the current requirements of IPC/JEDEC J-STD-020. Marking Informat.

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Datasheet Details

Part number RT9519A
Manufacturer Richtek
File Size 1.33 MB
Description Linear Single Cell Li-lon Battery Charger
Datasheet download datasheet RT9519A 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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RT9519A Linear Single Cell Li-lon Battery Charger with Auto Power Path Management General Description The RT9519A is an integrated single-cell Li-ion battery charger with auto power path management (APPM). No external MOSFETs are required. The RT9519A enters sleep mode when power is removed. Charging tasks are optimized by using a control algorithm to vary the charge rate, including pre-charge mode, fast charge mode and constant voltage mode. For the RT9519A, the charge current can also be programmed with an external resistor and modified with an external GPIO. The scope that the battery regulation voltage can be modified with an external GPIO depends on the battery temperature.