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MAX6442KANTRD7

更新时间： 2024-01-09 08:08:21
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
14页 247K
描述
Power Supply Support Circuit

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中文翻译

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MAX6442KANTRD7 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：SOT-23
包装说明：LSSOP, TSSOP8,.1针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.71
Is Samacsys：N其他特性：2.625 RESET THESHOLD VOLTAGE; BATTERY HTH AND LTH ARE 2.6V AND 1.9V
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G8长度：2.9 mm
信道数量：2功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：LSSOP封装等效代码：TSSOP8,.1
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：1.2/5 V
认证状态：Not Qualified座面最大高度：1.45 mm
子类别：Power Management Circuits最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：1 V表面贴装：YES
技术：BICMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：1.625 mmBase Number Matches：1

MAX6442KANTRD7 数据手册

 浏览型号MAX6442KANTRD7的Datasheet PDF文件第4页浏览型号MAX6442KANTRD7的Datasheet PDF文件第5页浏览型号MAX6442KANTRD7的Datasheet PDF文件第6页浏览型号MAX6442KANTRD7的Datasheet PDF文件第8页浏览型号MAX6442KANTRD7的Datasheet PDF文件第9页浏览型号MAX6442KANTRD7的Datasheet PDF文件第10页 
Low-Power, Single-/Dual-Level Battery Monitors  
with Hysteresis and Integrated µP Reset  
Pin Description  
PIN  
NAME  
FUNCTION  
MAX6439/ MAX6441/  
MAX6440  
MAX6442  
Battery Voltage Input. Input for battery voltage threshold monitors and device power supply  
1
1
V
BATT  
if V  
is greater than V  
.
CC  
BATT  
Manual Reset Input, Active-Low, Internal 1.5kΩ Pullup to V . Pull low to assert a one-shot  
CC  
edge-triggered RESET output for the MR reset timeout period. Leave unconnected or  
2
3
3
MR  
connect to V  
if unused. The MR input is debounced for MR rising edges to prevent false  
CC  
reset events.  
Low-Battery Output, Active Low, Open Drain. LBO is asserted when V  
drops below the  
BATT  
LTH specification and remains asserted until V  
least 150ms.  
rises above the HTH specification for at  
—
LBO  
BATT  
Reset Output, Active Low, Push-Pull or Open Drain. RESET changes from high to low when  
the V input drops below the selected reset threshold and remains low for the V reset  
CC  
CC  
timeout period after V  
exceeds the reset threshold. RESET is one-shot edge-trigger  
CC  
4
5
RESET  
pulsed low for the MR reset timeout period when the MR input is pulled low. RESET is an  
open-drain output for the MAX6439/MAX6441, and a push-pull output for the  
MAX6440/MAX6442. The push-pull outputs are referenced to V . RESET is guaranteed to  
CC  
be in the correct logic state for V  
or V  
> 1.0V.  
CC  
BATT  
5
6
2
8
GND  
Ground  
V
Voltage Input. Input for V  
reset threshold monitor and device power supply if V  
is  
CC  
CC  
CC  
V
CC  
greater than V  
.
BATT  
Low-Battery Output High, Active Low, Open Drain. LBOH is asserted when V  
drops  
BATT  
below the HTH- specification. LBOH is deasserted when V  
specification for at least 150ms.  
rises above the HTH+  
—
—
—
6
7
4
LBOH  
LBOL  
BATT  
Low-Battery Output Low, Active Low, Open Drain. LBOL is asserted when V  
drops  
BATT  
below the LTH- specification. LBOL is deasserted when V  
rises above the LTH+  
BATT  
specification for at least 150ms.  
Low-Battery Output Low/High, Active Low, Open Drain. LBOLH is asserted when V  
LBOLH drops below the LTH- specification. LBOLH is deasserted when V  
BATT  
rises above the  
BATT  
HTH+ specification for at least 150ms.  
monitor separate high-voltage and low-voltage thresh-  
olds to determine battery status. The output(s) can be  
used to signal when the battery is charged, when the  
battery is low, and when the battery is empty. Factory-  
trimmed thresholds are ideal for monitoring single-cell  
Li+ or multicell alkaline/NiCd/NiMH power supplies.  
Detailed Description  
The MAX6439–MAX6442 family is available with several  
monitoring options. The factory-trimmed thresholds  
eliminate the requirement for external components. The  
MAX6439/MAX6440 have single low-battery outputs  
and the MAX6441/MAX6442 have dual low-battery out-  
puts (see Figure 1a and Figure 1b).  
When the power-supply voltage drops below the speci-  
fied low threshold, the low-battery output asserts. When  
the voltage rises above the specified high threshold fol-  
lowing a 150ms (min) timeout period, the low-battery  
output is deasserted. This ensures the supply voltage  
The MAX6439–MAX6442 combine a 1.23V reference  
with two comparators, logic, and timing circuitry to pro-  
vide the user with information about the charge state of  
the power-supply batteries. The MAX6441/MAX6442  
_______________________________________________________________________________________  
7
1...45678910...14

中文翻译

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