DS2712
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DS2712

Loose-Cell NiMH Chargers

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NiMH Battery Charger Detects and Avoids Charging Alkaline Cells

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Part Models 6
1ku List Price Starting From $2.51
Features
  • Charge 1 or 2 NiMH Cells
  • Detect and Avoid Charging Alkaline Cells
  • Precharge Deeply Depleted Cells
  • Fast Charge NiMH with -ΔV Termination Sensitivity of 2mV (typ)
  • Monitor Voltage, Temperature, and Time for Safety and Secondary Termination
  • Regulate Charge Current:
    • Linear Control (DS2711)
    • Switch-Mode Control (DS2712)
  • Drive PMOS or PNP-Type Pass Element or Switch, or an Optocoupler
  • Compatible with Popular Optocouplers and Integrated Primary Side PWM Controllers
  • Small 16-Pin SO or TSSOP Package
Additional Details
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The DS2711 and DS2712 are ideal for in-system or stand-alone charging of 1 or 2 AA or AAA NiMH "loose" cells. Temperature, voltage, and charge time are monitored to provide proper fast charging control algorithms for nickel metal hydride (NiMH) batteries. Battery tests are included to detect defective or inappropriate cells such as alkaline primary batteries. The DS2711/DS2712 support series and parallel topologies, with independent monitoring and control of each cell. Charging of NiCd chemistry cells is also supported.

Applications

  • Desktop/Stand-Alone Chargers (AAA/AA)
  • Digital Still Cameras
  • Gaming
  • Music Players
  • Toys
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file View Data Sheet (Rev.4)
Documentation View All Documentation
Part Models 6
1ku List Price Starting From $2.51
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DS2712

Documentation

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Data Sheet

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UPDATED 04/19/2011
English

DS2711-DS2712: Loose-Cell NiMH Chargers Data Sheet (Rev.4)

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UPDATED 01/01/1900
Chinese

4511: 散装NiMH电池充电器 Data Sheet

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Reliability Data

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UPDATED 01/12/2023
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DS2712 Reliability Data redirect icon

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Design Note

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UPDATED 03/28/2008
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Estimating Switching Speed for the DS2712 NiMH Battery Charger redirect icon

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UPDATED 07/10/2008
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估算DS2712 NiMH电池充电器的开关速度 redirect icon

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UPDATED 08/13/2008
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NIMHバッテリ充電器のDS2712のスイッチング速度の推定 redirect icon

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UPDATED 11/16/2004
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Detecting Primary Cells with the DS2711/12 redirect icon

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UPDATED 02/07/2005
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用DS2711/12检测原电池 redirect icon

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UPDATED 03/15/2005
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DS2711/12を用いた1次電池の検出 redirect icon

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Documentation

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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DS2712E+T&R Thin Shrink Small-Outline Package external-link
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  • Material Declaration external-link
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DS2712Z+ Small-Outline IC, Narrow (0.15in) external-link
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DS2712Z+T&R Small-Outline IC, Narrow (0.15in) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
DS2712ZB+ Small-Outline IC, Narrow (0.15in) external-link
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  • Material Declaration external-link
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DS2712ZB+T Small-Outline IC, Narrow (0.15in) external-link
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Aug 18, 2021

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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 2

DS2712K

Evaluation Kit for the DS2711 and DS2712

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DS2712K

Evaluation Kit for the DS2711 and DS2712

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Download

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Print
DS2712K
Evaluation Kit for the DS2711 and DS2712

Features and Benefits

  • Charge Up to 2 Cells in Series or Parallel
  • Charges AA or AAA Cells
  • Offers Linear or Switch Mode Current Regulation
  • Current Regulation Feature Can Be Bypassed When Used with External Current Regulated Supply
  • Monitors Temperature, Voltage, and Charge Time
  • Resistor-Programmable Alkaline Cell Rejection Threshold
  • Resistor-Programmable Charge Time Monitor
Buy Now View Details

Product Detail

The DS2711/DS2712 EV kit board allow users to explore all the features of the DS2711 and DS2712. It is designed to allow a DS2711 or DS2712 to be configured into any possible charge configuration. The board supports single-cell, dual-cell series, and dual-cell parallel charging of AA or AAA NiMH cells. The board also allows the user to select between on-board regulation of the charge source, on-board regulation with a separate power supply, or external regulation. Temperature, voltage, and charge time are monitored to ensure safe charging. The EV kit also detects and rejects alkaline cells.

Applications

  • Desktop/Stand-Alone Chargers (AAA/AA)
  • Digital Still Cameras
  • Gaming
  • Music Players
  • Toys

DS2711K

Evaluation Kit for the DS2711 and DS2712

zoom

DS2711K

Evaluation Kit for the DS2711 and DS2712

download icon

Download

 print icon

Print
DS2711K
Evaluation Kit for the DS2711 and DS2712

Features and Benefits

  • Charge Up to 2 Cells in Series or Parallel
  • Charges AA or AAA Cells
  • Offers Linear or Switch Mode Current Regulation
  • Current Regulation Feature Can Be Bypassed When Used with External Current Regulated Supply
  • Monitors Temperature, Voltage, and Charge Time
  • Resistor-Programmable Alkaline Cell Rejection Threshold
  • Resistor-Programmable Charge Time Monitor
Buy Now View Details

Product Detail

The DS2711/DS2712 EV kit board allow users to explore all the features of the DS2711 and DS2712. It is designed to allow a DS2711 or DS2712 to be configured into any possible charge configuration. The board supports single-cell, dual-cell series, and dual-cell parallel charging of AA or AAA NiMH cells. The board also allows the user to select between on-board regulation of the charge source, on-board regulation with a separate power supply, or external regulation. Temperature, voltage, and charge time are monitored to ensure safe charging. The EV kit also detects and rejects alkaline cells.

Applications

  • Desktop/Stand-Alone Chargers (AAA/AA)
  • Digital Still Cameras
  • Gaming
  • Music Players
  • Toys

Evaluation Kits2

DS2712K

Evaluation Kit for the DS2711 and DS2712

DS2711K

Evaluation Kit for the DS2711 and DS2712

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