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DS2710

Maxim
Part Number DS2710
Manufacturer Maxim
Description Single-Cell NiMH Charger
Published Aug 7, 2013
Detailed Description Rev 0; 4/08 Single-Cell NiMH Charger General Description The DS2710 is ideal for in-system charging of single-cell nick...
Datasheet PDF File DS2710 PDF File

DS2710
DS2710


Overview
Rev 0; 4/08 Single-Cell NiMH Charger General Description 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.
♦ 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) Features DS2710 Applications Small Rechargeable Devices Voice Recorders Cordless Mouse Battery-Powered Toys Ordering Information PART DS2710G+ DS2710G+T&R PIN-PACKAGE 10 TDFN-EP* 10 TDFN-EP* +Denotes a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
*EP = Exposed pad.
Typical Operating Circuit TOP VIEW CHARGE SOURCE VSS CS VDD VP1 CS VDD THM THM VN0 SENSE GROUND *EXPOSED PAD.
VN1 NiMH CELL STATUS 1 2 3 4 5 *EP Pin Configuration + 10 9 VP1 VN1 VN0 TMR CTEST DS2710 8 7 6 DS2710 TDFN (3mm × 4mm) ________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.
maxim-ic.
com.
Free Datasheet http://www.
datasheet4u.
com/ Single-Cell NiMH Charger DS2710 ABSOLUTE MAXIMUM RATINGS Voltage Range on All Pins Relative to VSS .
.
-0.
3V to +6.
0V Continuous Source/Sink Current CS 20mA Continuous Source Current STATUS .
.
.
.
...


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