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LN2052

natlinear
Part Number LN2052
Manufacturer natlinear
Description 1A Is Compatible With The USB Interface / Linear Battery Management Chip
Published Dec 4, 2018
Detailed Description LN2052 1A Is Compatible With The USB Interface, Linear Battery Management Chip ■ General Description The LN2052 is a co...
Datasheet PDF File LN2052 PDF File

LN2052
LN2052


Overview
LN2052 1A Is Compatible With The USB Interface, Linear Battery Management Chip ■ General Description The LN2052 is a constant- current / constant- voltage charger circuit for single cell lithium-ion batteries.
The device includes an internal power transistor, does not need external current sense resistor and blocking diode in applications.
LN2052 requires minimal external components, and meet the USB bus specification, is very suitable for portable applications in the field.
Thermal modulation circuit can control the internal chip temperature in a safe range when the device power dissipation be relatively large or the ambient temperature be higher.
Within a fixed constant charge voltage 4.
2V, can also be adjusted by an external resistor.
Charge current set by an external resistor.
When the input voltage (AC adapter or USB power supply) power is lost, LN2052 automatically enters a low power sleep mode, then the battery current consumption is less than 3μA.
Built-in protection circui...


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