Product Details
Key Features
Applications/Uses
Package/Pins | TQFN/12 |
Budgetary Price (See Notes) | 1.8 |
Simplified Block Diagram
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Parameters
Package/Pins | TQFN/12 |
Budgetary Price (See Notes) | 1.8 |
Key Features
Applications/Uses
- Cradle Chargers
- Digital Still Cameras
- PDAs
- Self-Charging Battery Packs
Description
Additional features include automatic input power detection (active-low ACON output), logic-controlled enable, and temperature monitoring with an external thermistor. The MAX1925 disables charging for inputs greater than 6.1V, while the MAX1926 charges for inputs between 4.25V and 12V.
The MAX1925/MAX1926 feature two precondition levels to restore near-dead cells. The devices source 4mA to a cell that is below 2V while sourcing C/10 to a cell between 2V and 3V. Full charge current is then applied above 3V. A active-low CHG output drives an LED to indicate charging (LED on) and fault conditions (LED blinking).
The MAX1925/MAX1926 are available in a 12-pin 4mm x 4mm thin QFN package and are specified over the extended temperature range (-40°C to +85°C). An evaluation kit is available to speed design.
Technical Docs
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .