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MC33340DG

更新时间： 2024-02-07 07:08:15
品牌 Logo 应用领域
安森美 - ONSEMI 电池光电二极管控制器
页数 文件大小 规格书
16页 197K
描述
Battery Fast Charge Controllers

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中文翻译

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MC33340DG 数据手册

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MC33340, MC33342  
Battery Fast Charge  
Controllers  
The MC33340 and MC33342 are monolithic control IC’s that are  
specifically designed as fast charge controllers for Nickel Cadmium  
(NiCd) and Nickel Metal Hydride (NiMH) batteries. These devices  
feature negative slope voltage detection as the primary means for fast  
charge termination. Accurate detection is ensured by an output that  
momentarily interrupts the charge current for precise voltage  
sampling. An additional secondary backup termination method can  
be selected that consists of either a programmable time or temperature  
limit. Protective features include battery over and undervoltage  
detection, latched over temperature detection, and power supply input  
undervoltage lockout with hysteresis. Fast charge holdoff time is the  
only difference between the MC33340 and the MC33342. The  
MC33340 has a typical holdoff time of 177 seconds and the  
MC33342 has a typical holdoff time of 708 seconds.  
http://onsemi.com  
MARKING  
DIAGRAMS  
8
PDIP−8  
P SUFFIX  
CASE 626  
MC3334xP  
AWL  
8
YYWW  
1
1
8
• Negative Slope Voltage Detection with 4.0 mV Sensitivity  
• Accurate Zero Current Battery Voltage Sensing  
• High Noise Immunity with Synchronous VFC/Logic  
• Programmable 1 to 4 Hour Fast Charge Time Limit  
• Programmable Over/Undertemperature Detection  
• Battery Over and Undervoltage Fast Charge Protection  
• Power Supply Input Undervoltage Lockout with Hysteresis  
• Operating Voltage Range of 3.25 V to 18 V  
SOIC−8  
NB SUFFIX  
CASE 751  
3334x  
ALYWX  
G
8
1
1
x
A
L
Y
W
G
= 0 or 2  
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
= Pb−Free Package  
• 177 seconds Fast Change Holdoff Time (MC33340)  
• 708 seconds Fast Change Holdoff Time (MC33342)  
• Pb−Free Packages are Available  
PIN CONNECTIONS  
V
V
Input  
1
2
3
4
8
7
6
5
CC  
sen  
t1/T High  
ref  
V
Gate Output  
sen  
DC  
Input  
V
8
CC  
Fast/Trickle Output  
Gnd  
t2/T  
sen  
Undervoltage  
Lockout  
t3/T Low  
ref  
Internal Bias  
V
CC  
(Top View)  
Voltage to  
Frequency  
Converter  
V
sen  
1
Over  
Temp  
Latch  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 13 of this data sheet.  
Ck  
High  
F/V  
R
Over  
R
S
Battery  
Pack  
Q
Battery  
Detect  
Temp  
Detect  
Low  
Under  
t1  
t1/T High  
ref  
7
−DV Detect  
Counter  
Timer  
V
Gate  
t2/T  
sen  
sen  
t2  
6
V
Gate  
sen  
2
t3/T Low  
ref  
t3  
3
5
V
Fast/  
Trickle  
CC  
F/T  
t/T  
Time/  
Temp Select  
GND  
4
This device contains 2,512 active transistors.  
Figure 1. Simplified Block Diagram  
©
Semiconductor Components Industries, LLC, 2005  
1
Publication Order Number:  
July, 2005 − Rev. 7  
MC33340/D  
1234567...16

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MC33340DG 替代型号

型号 品牌 替代类型 描述 数据表
MC33340D ONSEMI

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MC33340DR2G ONSEMI

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MC33340DR2 ONSEMI

功能相似

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 		POWER SUPPLY BATTERY CHARGER REGULATION CONTROL CIRCUIT
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