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grenergy - Monitor and Timing Management

Numéro de référence GR5302DA
Description Monitor and Timing Management
Fabricant grenergy 
Logo grenergy 





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GR5302DA fiche technique
GR5302
Monitor and Timing Management for 4-Loop NiMH
Battery Charger
Features
Charges 1 to 4 NiMH packs
Detects and avoids charging alkaline cells
Monitors voltage, temperature and time for
safety and secondary termination
Drivers PNP type pass element
Pre-charge qualification for detecting shorted,
damaged, or deeply depleted cells
Automatic recharge keeps batteries charged
Optional temperature qualified charging
Applications
NiMH battery charger for AAA/AA cells
Description
The GR5302 is ideal for standalone charging of
4-loop NiMH packs (AA or AAA NiMH loose cells),
NiCd cells can also be charged. Temperature,
voltage and charge time are monitored to provide
proper fast/slow charging control algorithms for
Nickel Metal Hydride (NiMH) batteries. The GR5302
detects the battery chemistry and proceeds with the
optimal charging and termination algorithms. This
process eliminates undesirable undercharged or
overcharged conditions and allows accurate and
safe termination of fast/slow charge. Battery tests
are included to detect defective or inappropriate
cells such as alkaline primary batteries. The
GR5302 series support four loops charging topology,
with four independent monitoring and controls.
Ordering and Marking Information
SOP-14/16/18
Code 1 8 9 A B
GH IJ
Year 2008 2009 2010 2011
2016 2017 2018 2019
Code 2 1 2 3 4 ● ● ● 9 A B C
Month Jan. Feb. Mar. Apr.
Sep. Oct. Nov. Dec.
Grenergy OPTO Inc. reserves the right to make changes to improve reliability or manufacture ability without
notice, and advise customers to obtain the latest version of relevant information to verify before placing
orders.
2010.04 Ver. 1.0 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
1

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