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PDF GR5302DA Data sheet ( Hoja de datos )
| Número de pieza | GR5302DA | |
| Descripción | Monitor and Timing Management | |
| Fabricantes | grenergy | |
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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
1 page  
GR5302
Absolute Maximum Ratings
Input voltage between VCC and VSS ------------------------------------------------------------ VSS -0.3 ~ VSS +5.5V
Battery voltage input ----------------------------------------------------------------------------------- VSS -0.3 ~ VSS +5V
LED sink current -------------------------------------------------------------------------------------------------------------- 4mA
LED driver current ------------------------------------------------------------------------------------------------------------ 4mA
Operating temperature range --------------------------------------------------------------------------------------- 0 ~ 85 OC
Storage temperature range -------------------------------------------------------------------------------------- -40 ~ 125 OC
Block Diagram
2010.04 Ver. 1.0 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
5
5 Page 
Package Information
GR5302
SOP-16
SYMBOL
MILLIMETERS
INCHES
MIN.
MAX.
MIN.
MAX.
A 1.75 0.069
A1
0.10
0.25
0.004
0.010
A2 1.25
0.049
b
0.31
0.51
0.012
0.020
c
0.17
0.25
0.007
0.010
D
9.80
10.00
0.386
0.394
E
5.80
6.20
0.228
0.244
E1
3.80
4.00
0.150
0.157
e 1.27 BSC
0.050 BSC
h
0.25
0.50
0.010
0.020
L
0.40
1.27
0.016
0.050
θ 0o 8 o 0o 8 o
Note: 1. Followed from JEDEC MS-012 AC.
2. Dimension “D” does not include mold flash, protrusions or gate burrs. Mold flash, protrusion or gate
burrs shall not exceed 6 mil per side.
3. Dimension “E1” does not include inter-lead flash or protrusions. Inter-lead flash and protrusions shall
not exceed 10 mil per side.
2010.04 Ver. 1.0 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet GR5302DA.PDF ] | |
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