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PDF ( 数据手册 , 数据表 ) GR5302AA

零件编号 GR5302AA
描述 Monitor and Timing Management
制造商 grenergy
LOGO grenergy LOGO 


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GR5302AA 数据手册, 描述, 功能
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
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GR5302AA pdf, 数据表
Typical Application Circuit
GR5302AT/DT
GR5302
+5V
R2 L1
RED
13
R4 1
LED1
+5V GREEN
L2
R7
RED
12
R9 2
LED2
+5V GREEN
R12 L1
RED
11
R14 1
LED3
+5V GREEN
L2
R17
RED
10
R19 2
LED4
GREEN
+5V
RT C1
CTRL1
BAT1
U1 D1
GR5302AT/DT
4 R3
1
C2
CTRL2
BAT2
5
2
D2
R8
C3
CTRL3
BAT3
6
16
D3
R13
C4
CTRL4
BAT4
7
3
D4
R18
C5
+5V
R1
BATT1
Q1 AA/AAA
+5V
R6
Q2
BATT2
AA/AAA
+5V
R11
BATT3
Q3 AA/AAA
+5V
R16
Q4
BATT4
AA/AAA
2010.04 Ver. 1.0 Copyright Grenergy OPTO, Inc. www.grenergy-ic.com
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