( File format: PDF, 431K )
Compact, 1.5 A Linear Charger for Single-Cell Li+ Battery
Analog Devices Inc.
Description
The ADP2291 is a constant-current/constant-voltage linear charger for a single cell lithium ion battery, requiring just a few components to provide a simple and safe charging system that operates...
Features
Simple, Safe Linear Charger for Single Cell Lithium Battery 4.5 V to 12 V Input Voltage Range Adjustable Charging Current up to 1.5 A Low Cost PNP External Pass Element Automatic Reverse Isolation with No External Blocking Diode Output Overshoot Protection Deep Discharge Precharge Mode Thermal Shutdown Automatic Recharge Programmable Termination Timer LED Charging Status Indicator 4.2 V Output Voltage with ±1% Accuracy Over Line and Temperature.
Related Datasheets
| Part Number | Description | Category |
| • ADM690 | Functions: 4.65 V Reset, Battery Switchover, Watchdog Timer, Power Fail Input | ICs, Interface |
| • ADM690A | ?P Supervisor with Backup Battery Switchover, Watchdog Feature, Power Fail Warning, 4.65V Threshold Voltage, Active Low Reset | ICs, Interface |
| • ADM691 | ?P Supervisor with Backup Battery Switchover, 50 ms Nominal Adjustable Reset Period, Adjustable Watchdog Period, Chip Enable Signals, 4.65V Threshold Voltage, Watchdog, Backup Battery and Low Vcc Status O/Ps and 100mA Output Current | ICs, Interface |
| • ADM691A | ?P Supervisor with Backup Battery Switchover, Adjustable Reset and Watchdog Periods, Chip Enable Signals, 4.65V Threshold Voltage, Watchdog, Battery Backup and Low Vcc Status O/Ps and 250mA Output Current | ICs, Interface |
| • ADM692 | ?P Supervisor with Backup Battery Switchover, Watchdog Feature, Power Fail Warning, 4.4V Threshold Voltage, Active Low Reset and 100mA Output Current | ICs, Interface |
| • ADM692A | ?P Supervisor with Backup Battery Switchover, Watchdog Feature, Power Fail Warning, 4.4V Threshold Voltage, Active Low Reset and 250mA Output Current | ICs, Interface |
| • ADM693 | ?P Supervisor with Backup Battery Switchover, Watchdog Feature, Power Fail Warning, 4.4V Threshold Voltage, 100mA Output Current | ICs, Interface |
| • ADM693A | ?P Supervisor with Backup Battery Switchover, Watchdog Feature, Power Fail Warning, 4.4V Threshold Voltage, 250mA Output Current | ICs, Interface |
| • ADM694 | ?P Supervisor with Backup Battery Switchover, Watchdog Feature, Power Fail Warning, 4.65V Threshold Voltage, Active Low Reset and 100mA Output Current | ICs, Interface |
| • ADM695 | ?P Supervisor with Backup Battery Switchover, Adjustable Reset Period | ICs, Interface |
As the hyperlinked contents/websites are those of third parties, we cannot vouch for their accuracy or legitimacy.
Hot Articles
Most Popular Articles
Search EE Times India
Max's Cool Beans
Strange modes of transport and other "stuff"
Someone just pointed me at a YouTube video that claims to show the world's first e-powered multicopter flight...
