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MC33340P

更新时间： 2024-10-03 22:36:11
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 电池控制器
页数 文件大小 规格书
12页 312K
描述
BATTERY FAST CHARGE CONTROLLER

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中文翻译

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MC33340P 数据手册

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Order this document by MC33340/D  
The MC33340 is a monolithic control IC that is specifically designed as a  
fast charge controller for Nickel Cadmium (NiCd) and Nickel Metal Hydride  
(NiMH) batteries. This device features 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. Provisions for entering a rapid test mode are available to  
enhance end product testing. This device is available in an economical  
8–lead surface mount package.  
BATTERY FAST CHARGE  
CONTROLLER  
SEMICONDUCTOR  
TECHNICAL DATA  
• 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/Under Temperature Detection  
• Battery Over and Undervoltage Fast Charge Protection  
• Rapid System Test Mode  
P SUFFIX  
PLASTIC PACKAGE  
CASE 626  
8
1
• Power Supply Input Undervoltage Lockout with Hysteresis  
• Operating Voltage Range of 3.0 V to 18 V  
D SUFFIX  
PLASTIC PACKAGE  
8
CASE 751  
1
(SO–8)  
Simplified Block Diagram  
DC  
Input  
V
8
CC  
Undervoltage  
Lockout  
Internal Bias  
V
CC  
PIN CONNECTIONS  
Voltage to  
Frequency  
Converter  
V
sen  
Over  
Temp  
Latch  
1
V
V
Input  
1
2
3
4
8
7
6
5
CC  
sen  
Ck  
High  
F/V  
R
R
S
Battery  
Pack  
Over  
Q
t1/T High  
ref  
V
Gate Output  
sen  
Battery  
Detect  
Temp  
Detect  
Fast/Trickle Output  
Gnd  
t2/T  
sen  
Low  
Under  
t1  
t3/T Low  
ref  
t1/T High  
ref  
7
–∆V Detect  
Counter  
Timer  
V
Gate  
t2/T  
sen  
sen  
(Top View)  
t2  
6
V
sen  
2
Gate  
t3/T  
Low  
ref  
t3  
5
3
V
CC  
Fast/  
Trickle  
ORDERING INFORMATION  
Operating  
F/T  
t/T  
Time/  
Temp  
Select  
Temperature Range  
Device  
Package  
Gnd  
4
MC33340D  
MC33340P  
SO–8  
T
A
= –25° to +85°C  
This device contains 2,512 active transistors.  
Plastic DIP  
This document contains information on a new product. Specifications and information herein  
Motorola, Inc. 1996  
Rev 0  
are subject to change without notice.  
1234567...12

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