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BQ24251RGET - 

Battery Charger for 1 Cell of Li-Ion, Li-Pol battery, 20V input, 4.2V / 2A charge, VQFN-24

TEXAS INSTRUMENTS BQ24251RGET

De afbeelding is alleen ter illustratie. Zie de productbeschrijving.

Artikelnr. fabrikant:
BQ24251RGET
Ordercode:
2361473
Technische datasheet:
(EN)
Bekijk alle technische documenten

Productgegevens

:
Li-Ion, Li-Pol
:
-40°C
:
4.2V
:
85°C
:
VQFN
:
24Pins
:
20V
:
-
:
1
:
2A
:
Each
:
MSL 1 - Unlimited
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Productoverzicht

The BQ24251RGET is a stand-alone switched-mode Li-ion Battery Charger with power-path management. It is targeted for space-limited, portable applications with high-capacity batteries. The single-cell charger has a single input that operates from either an USB port or an AC wall adapter for a versatile solution. It features high-efficiency switch-mode charger with separate power path, start-up system from deeply discharged or missing battery and USB charging compliant. The power-path management feature allows the bq24251 to power the system from a high-efficiency DC-DC converter while simultaneously and independently charging the battery. The charger monitors the battery current at all times and reduces the charge current when the system load requires current above the input current limit. This reduced charge current allows for proper charge termination and enables the system to run with a defective or absent battery pack.
  • Programmable battery charge voltage
  • Programmable charge current
  • Programmable input current limit
  • Input current limit
  • Charge current limit
  • Thermal regulation
  • Thermal shutdown
  • Voltage based JEITA compatible NTC monitoring input
  • Safety timer
  • Green product and no Sb/Br

Toepassingen

Communications & Networking, Consumer Electronics, Portable Devices, Audio

Waarschuwingen

Device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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