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RT9719 - Charging System Safety Device

General Description

The RT9719 is an integrated circuit (IC) designed to replace passive device in charging system with extra protection function.

It is optimized to protect low voltage system from up to 28V high voltage input.

The IC monitors the input voltage to make sure all parameters are operating in normal range.

Key Features

  • z No External Blocking Diode Requiring z Overvoltage Turn Off Time of Less Than 1μs z High Accuracy Protection Thresholds z Over Temperature Protection z High Immunity of False Triggering Under Transients z Thermal Enhanced SOT-23-6 and 8-Lead WDFN Packages z RoHS Compliant and Halogen Free.

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Datasheet Details

Part number RT9719
Manufacturer Richtek Technology Corporation
File Size 176.67 KB
Description Charging System Safety Device
Datasheet download datasheet RT9719 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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RT9719 Charging System Safety Device General Description The RT9719 is an integrated circuit (IC) designed to replace passive device in charging system with extra protection function. It is optimized to protect low voltage system from up to 28V high voltage input. The IC monitors the input voltage to make sure all parameters are operating in normal range. It also monitors its own temperature and turn off the MOSFET when the chip temperature exceeds 140°C. When the input voltage exceeds the threshold, the IC turns off the power MOSFET within 1us to remove the power before any damage occurs. User can monitor the adapter input voltage from CHRIN pin which has 50mA current capability.