Analog Devices (MAX1736EUT42+T) Battery Charger, 1 Cell of Li-Ion battery
$62.56
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Battery Charger, 1 Cell of Li-Ion battery, 22V input, 4.2V / 2A charge, SOT-23-6
Product Overview
The MAX1736EUT42+T is a single-cell Li+ battery charger for current limited supply in 6 pin SOT-23 package. It provides simple, safe, low cost method of charging single-cell Li+ battery with nearly no heat generation. Combined with current limited voltage source IC provides precharge, fast-charge and top-off-charge capabilities. After constant current fast charge, top-off safely finishes charging battery by pulse width modulating charge current. The top-off on-time is kept below electrochemical time constant of cell. The key advantage of this method is charge circuit is small and generates minimal heat while providing a safe method of charging to ensure maximum cell life. It initiates charging in one of four ways, battery insertion, charger power-up, battery voltage threshold and by external manipulation of the EN pin. It is used in single-cell Li+ portable applications, wireless handsets, personal digital assistants, digital cameras, self-charging battery packs and cradle chargers.
Input voltage range is 4.7V to 22V
Operating temperature range from -40°C to 85°C
Stand-alone or µP-controlled operation
0.5% voltage set-point accuracy
Lowest power dissipation
Low 4.7V min input voltage
Top-off charging to achieve full battery capacity
No inductor required
Safely pre-charges near dead cells
Automatic power down when input power removed
Applications
Power Management, Portable Devices
Product Information
Battery Type: Li-Ion
Input Voltage: 22V
Battery Charge Voltage: 4.2V
Charge Current Max: 2A
Battery IC Case Style: SOT-23
No. of Pins: 6Pins
No. of Series Cells: 1
Operating Temperature Min: -40°C
Operating Temperature Max: 85°C
MSL: MSL 1 – Unlimited
What’s in the box
1 x Battery Charger
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