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SOT23, Dual-Input, USB/AC Adapter, 1-Cell Li+ Battery Chargers -- MAX1551
from Maxim Integrated Products, Inc.

The MAX1551 and MAX1555 charge a single-cell lithium-ion (Li+) battery from both USB and AC adapter sources. They operate with no external FETs or diodes, and accept operating input voltages up to 7V. On-chip thermal limiting simplifies PC board layout and allows optimum charging rate without the... [See More]

  • Package Type: SOT-23
  • Cell Type: Li-Ion
  • Charger Type: Linear
  • Features: Lead-Free
Miniature Single-Cell, Fully Integrated Li-Ion, Li-Polymer Charge Management Controller -- MCP73831
from Microchip Technology, Inc.

Tiny 500mA linear charge management controller. Includes integrated pass transistor, integrated current sensing, and reverse discharge protection in 5-pin SOT-23 and thermally-efficient 8-pin 2mm x 3mm DFN packages. High accuracy preset output voltage regulation (+/-0.75%). Output voltage options... [See More]

  • Package Type: SOT-23 (optional feature); DFN
  • Cell Type: Li-Ion; Li-Polymer
  • Charger Type: Linear
  • Features: Charging Current Monitor