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LN8953 - 3Cell Li-Ion/Polymer Battery Pack Protection IC

Description

LN 8953 is a highly integrated, low cost, battery pack protection and monitor IC which

Features

  • igh Accuracy Voltage Detection Over voltage threshold range - VOV: 3.6~4.35V; ±25 mV - Hysteresis Voltage: 0V, 0.1~0.275V Under voltage threshold range - VUV: 2.0~3.0V; ±80 mV - Hysteresis Voltage: 0~1.0V.
  • Three-level High Accuracy Over-Current Detection Over Current 1: VDOC1 = 0.025~0.35V; ±10mV Over Current 2: VDOC2 = 2.0.
  • VDOC1 Short Circuit: VDSC = 4.5.
  • VDOC1.
  • Supports three modes for OC/SC release Charger-plugging in Release Load-open Release Timer-Release (optional).
  • S.

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Datasheet preview – LN8953

Datasheet Details

Part number LN8953
Manufacturer natlinear
File Size 819.77 KB
Description 3Cell Li-Ion/Polymer Battery Pack Protection IC
Datasheet download datasheet LN8953 Datasheet
Additional preview pages of the LN8953 datasheet.

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Full PDF Text Transcription

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LN8953 3Cell Li-Ion/Polymer Battery Pack Protection IC  General Description LN 8953 is a highly integrated, low cost, battery pack protection and monitor IC which features Over Voltage (OV), Under Voltage (UV), Over Current (OC), Short Circuit (SC), Over Temperature (OT) protection functions for managing Li-Ion /Polymer, 3 cell battery packs for power-tools, notebook PC and UPS applications etc. LN8953’s over current protection has high accuracy voltage detection (±10mV). Thus LN8953 can use lower current-sense resistors (such as 2.5mΩ, 5mΩ) to reduce power dissipation and thermal issues while maintaining high accuracy current detection. LN8953 has three levels over-current protection using three, accurate integrated comparators.
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