MAX8844Y

28V Dual Input Linear Li+ Battery Chargers with Battery Detection and Overvoltage-Protected Output

Industry's First 30V Rated Dual Input 1-Cell Li+ Battery Chargers with Two Overvoltage-Protected Outputs

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Part Details

  • CCCV, Thermally Regulated Linear One-Cell Li+ Battery Charger
  • No External MOSFET, Reverse Blocking Diode, or Current-Sense Resistor
  • Programmable Fast-Charge Currents (1ARMS max)
  • Programmable Top-Off Current Threshold
  • Input Overvoltage Protected 4.7V Output (SAFEOUT) from IN
  • Input Overvoltage Protected 4.7V Output (SAFEUSB) from USB
  • Proprietary Die Temperature Regulation Control (+115°C)
  • 4.25V to 28V Input Voltage Range with Input Overvoltage Protection Above +7.5V
  • Low-Dropout Voltage (300mV at 500mA)
  • Input Power-Source Detection Output (Active-Low POK), Charge Status Output (Active-Low CHG), Charge-Enable Input (Active-Low EN)
  • Output for Autobooting (ABO, MAX8844Z)
  • Output for Autobooting (Active-Low ABO, MAX8844Y)
  • Tiny 3mm x 3mm, 14-Pin TDFN Package, 0.8mm Height (max)
MAX8844Y
28V Dual Input Linear Li+ Battery Chargers with Battery Detection and Overvoltage-Protected Output
MAX8844Y, MAX8844Z: Typical Operating Circuit
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