Charging forward with confidence

Drawing of a battery with energy levels separated by different colors, where each color has text describing what Littelfuse offers for Protection of Fule Gauge ICs.

Protech ICs

Green:

(shield icon, engine temperature and battery gauge line drawings)

Overcurrent & overtemperature protection for battery management ICs & fuel gauges

PPTC
  • Resets
  • Smaller footprint

Secondary overtemperature and overcurrent protection

Battery mini-breaker
  • Longer battery life
  • sensitive thermal protection

ESD protection of I2C input

TVS diode array
  • Small size
  • low capacitance

Monitor temperature

Purplish Red

(temperature icon and gauge drawing)

Ambient temperature measurement and temperature compensation for safe charge-discharge battery cycle

NTC
  • Safe operation
  • smaller footprint

Enabling Technologies

(button line drawing, icons for battery, thermometer, thermostat)

Blue

Resettable fuse or polymeric positive temperature coefficient device (PPTC)

  • Overcurrent & overtemperature protection

Transient-voltage-suppression (TVS) diode array

  • EDS protection of I2C input

Negative Temperature Coefficient (NTC) thermistor

  • Ensures safer charge/discharge

Battery Mini-breaker

  • Secondary protection

Applications

(cube line drawing)

Orange

Icons for:

  • notebooks
  • wireless speakers
  • wearable devices
  • augmented reality
  • power tools
  • point-of-sale equipment
  • drone
  • medical equipment
  • e-Bike
  • two-way radios

Solution

Green

LIttelfuse provides solutions to protect & monitor electronic charging designs

6 battery icons that show the charge level decreasing from left to right