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RT9718 - Over Voltage Protection

Datasheet Summary

Description

The RT9718 is an integrated circuit optimized to protect low voltage system from abnormal high input voltage (up to 30V).

The IC monitors the input voltage, battery voltage and the charging current to make sure all three parameters are operated in normal range.

Features

  • Fully Integrated Protection Function  Programmable OCP  Input OVP  Battery OVP.
  • Withstand High Input Voltage Up to 30V.
  • Over Voltage Turn Off Time Less Than 1us.
  • High Accuracy Protection Thresholds.
  • Over Temperature Protection.
  • High Immunity of False Triggering Under Transients.
  • Warning Indication Output.
  • Enable Input.
  • Thermal Enhanced WDFN Package.
  • RoHS Compliant and Halogen Free.

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Datasheet preview – RT9718

Datasheet Details

Part number RT9718
Manufacturer Richtek Technology Corporation
File Size 195.93 KB
Description Over Voltage Protection
Datasheet download datasheet RT9718 Datasheet
Additional preview pages of the RT9718 datasheet.

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Full PDF Text Transcription

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RT9718 Over Voltage Protection IC General Description The RT9718 is an integrated circuit optimized to protect low voltage system from abnormal high input voltage (up to 30V). The IC monitors the input voltage, battery voltage and the charging current to make sure all three parameters are operated in normal range. When the input voltage exceeds a certain OVP threshold voltage level, the IC will turn off the power MOSFET within 1μs to remove the power before any damage occurs. The RT9718 also can provide a voltage output without the existence of battery. The current in the power MOSFET is also limited to prevent charging the battery with an excessive current. The current limit can be programmed by an external resistor between ILIM and GND.
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