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LT3652HV - Power Tracking 2A Battery Charger

Analog Devices

LT3652HV - Power Tracking 2A Battery Charger RSS Sample
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Kod:
LT3652HV
Producent:
ANALOG DEVICES
Obudowa:
DFN12
Dodany do bazy:
Ostatnio widziany:

The LT3652HV is a complete monolithic step-down battery charger that operates over a 4.95V to 34V input range. The LT3652HV provides a constant-current/constant-voltage charge characteristic, with maximum charge current externally programmable up to 2A. The charger employs a 3.3V float voltage feedback reference, so any desired battery float voltage up to 18V can be programmed with a resistor divider.

The LT3652HV employs an input voltage regulation loop, which reduces charge current if the input voltage falls below a programmed level, set with a resistor divider. When the LT3652HV is powered by a solar panel, the input regulation loop is used to maintain the panel at peak output power.

The LT3652HV can be configured to terminate charging when charge current falls below 1/10 of the programmed maximum (C/10). Once charging is terminated, the LT3652HV enters a low-current (85μA) standby mode. An auto-recharge feature starts a new charging cycle if the battery voltage falls 2.5% below the programmed fl oat voltage. The LT3652HV also contains a programmable safety timer, used to terminate charging after a desired time is reached. This allows top-off charging at currents less than C/10.

Vin Max

Vfloat Max

Features

LT3652

32V

14.4V

internal reverse blocking

Vbat<4.2V

LT3652HV

34V

18V

* Solar Powered Applications

* Remote Monitoring Stations

* Portable Handheld Instruments

* 12V to 24V Automotive Systems

* Battery Charging from Current Limited Adapter

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