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DS2710
Single-Cell NiMH Charger

Charges NiMH from a USB Port Without Fear of Overcharging an Alkaline Cell


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Description
FULL DATA SHEET (PDF, 176kB)
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The DS2710 is ideal for in-system charging of single-cell nickel metal hydride (NiMH) cells for low-current portable applications. Inputs to the DS2710 include USB voltage sources and 5V regulated adapters. Temperature, voltage, and charge time are monitored to provide proper fast-charging control algorithms for single-cell NiMH or nickel cadmium (NiCd) batteries. The DS2710 includes battery tests to detect defective or inappropriate cells such as alkaline primary batteries.

Key Features   Applications/Uses
  • Charges Single-Cell NiMH Cells
  • Switch-Mode Topologies Supported by Hysteretic Control Technique
  • Precharges Deeply Depleted Cells
  • Fast-Charges NiMH with -ΔV Termination Sensitivity of 2mV (typ)
  • Monitors Voltage, Temperature, and Time for Safety and Secondary Termination
  • Regulates Charge Current
  • Designed for External pMOS
  • Rail-to-Rail MOSFET Driver
  • Tiny 10-Pin TDFN Package (3mm x 4mm)

 
  • Battery-Powered Toys
  • Cordless Mouse
  • Small Rechargeable Devices
  • Voice Recorders

    Key Specifications:   Battery Chargers
    Part Number Cell Chemistry Number of NiMH or NiCd cells Protected VIN (max) (V) Charging VIN (max) (V) Internal FET/Transistor Charger (V) Charge Rate Set by Max. Charge Current (A) Charge Termination Secondary Charge Termination Charge Regulation Features EV-Kit Package RoHS Available Operating Temp. Range (°C) Price**
    DS2710  NEW! NiCd
    NiMH
    1 5.5 5.5 No 1.65 Resistor 4 -ΔV Max. V
    Timer
    Switchmode
    Stand Alone
    Thermistor Input
    Timer
    USB Input
    No TDFN/10 Yes -20 to +70 $1.52 @ 1k
    See All Battery Chargers (60)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

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    2008-06-24
    This page last modified: 2008-06-24



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