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LTC4222IUH#TRPBF PDF预览

LTC4222IUH#TRPBF

更新时间： 2024-11-12 20:48:31
品牌 Logo 应用领域
凌特 - Linear 监控
页数 文件大小 规格书
32页 330K
描述
LTC4222 - Dual Hot Swap Controller with I<sup>2</sup>C Compatible Monitoring; Package: QFN; Pins: 32; Temperature Range: -40&deg;C to 85&deg;C

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中文翻译

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LTC4222IUH#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：QFN包装说明：HVQCCN, LCC32,.2SQ,20
针数：32Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.13可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PQCC-N32
JESD-609代码：e3长度：5 mm
湿度敏感等级：1信道数量：2
功能数量：1端子数量：32
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：HVQCCN
封装等效代码：LCC32,.2SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：12 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Power Management Circuits
最大供电电流 (Isup)：4 mA最大供电电压 (Vsup)：29 V
最小供电电压 (Vsup)：2.9 V标称供电电压 (Vsup)：12 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：30
宽度：5 mmBase Number Matches：1

LTC4222IUH#TRPBF 数据手册

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LTC4222  
Dual Hot Swap Controller  
2
with I C Compatible  
Monitoring  
FEATURES  
DESCRIPTION  
The LTC®4222 Hot Swap™ controller allows two power  
paths to be safely inserted and removed from a live back-  
plane. Using external N-channel pass transistors, board  
supply voltages and inrush currents are ramped up at an  
adjustable rate. An I C interface and onboard ADC allows  
for monitoring of current, voltage and fault status for  
each channel.  
n
Allows Safe Insertion Into a Live Backplane  
n
10-Bit ADC Monitors Currents and Voltages  
2
n
I C/SMBus Interface  
n
Wide Operating Voltage Range: 2.9V to 29V  
2
n
dI/dt Controlled Soft-Start  
n
High Side Drive for External N-Channel MOSFETs  
n
No External Gate Capacitors Required  
n
Input Overvoltage/Undervoltage Protection  
The device features adjustable, analog, foldback current  
limit circuits and a soft-start circuit that sets the dI/dt of  
the inrush currents. An I C interface may configure the  
part to latch off or automatically restart after the LTC4222  
detects a fault on either channel.  
n
Optional Latchoff or Auto-Retry After Faults  
n
Alert Host After Faults  
2
n
Inrush Current Limit with Foldback  
n
Available in 32-Pin (5mm × 5mm) QFN  
and 36-Pin SSOP Packages  
The controller has additional features to interrupt the host  
when a fault has occurred, notify when output power is  
good, detect insertion of a load card and power-up either  
APPLICATIONS  
n
Live Board Insertion  
2
automatically upon insertion or wait for an I C command  
n
Electronic Circuit Breakers  
to turn on.  
n
Computers, Servers  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and Hot  
Swap is a trademark of Linear Technology Corporation. All other trademarks are the property of  
their respective owners. Protected by U.S. Patents including 7330065.  
n
Platform Management  
TYPICAL APPLICATION  
Advanced Mezzanine Card Application  
6mΩ  
Si7336ADP  
12V  
7.4A  
12V  
34k  
10.2k  
3.57k  
10Ω  
–
0.1µF  
Start-Up Waveform with Sequencing  
10k  
1.02k  
UV1  
OV1  
ON  
SDA  
SCL  
V
SENSE1 GATE1 SOURCE1  
DD1  
3.4k  
FB1  
GPIO1  
EN1  
V
IN1/2  
10V/DIV  
12PGOOD  
ON  
SDA  
SCL  
ADIN1  
ALERT  
ALERT  
TIMER  
V
OUT2  
10V/DIV  
CONFIG  
ADR0  
ADR1  
ADR2  
1µF  
LTC4222  
NC  
SS  
V
OUT1  
68nF  
10V/DIV  
ADIN2  
INTV  
CC  
0.1µF  
EN2  
GPIO  
PGOOD  
10V/DIV  
GND  
OV2  
UV2  
GPIO2  
FB2  
AUXPGOOD  
3.4k  
–
V
DD2  
SENSE2 GATE2 SOURCE2  
4222 TA01b  
1.02k  
50ms/DIV  
3.57k  
4.99k  
10Ω  
10nF  
10k  
0.1µF  
3.3V  
6.55k  
3.3V  
150mA  
Si1046R  
300mΩ  
BACKPLANE PLUG-IN  
CARD  
4222 TA01a  
4222fb  
1
1234567...32

中文翻译

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LTC4222IUH#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC4222IUH#PBF Linear

完全替代

 LTC4222 - Dual Hot Swap Controller with I<sup>2</sup>C Compatible Monitoring;

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