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TSI206A

更新时间： 2024-09-20 15:55:07
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
28页 286K
描述
Power Supply Management Circuit, PQFP32, LQFP-32

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中文翻译

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TSI206A 技术参数

生命周期：Obsolete零件包装代码：QFP
包装说明：,针数：32
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.7
Is Samacsys：N模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码：S-PQFP-G32端子数量：32
封装主体材料：PLASTIC/EPOXY封装形状：SQUARE
封装形式：FLATPACK认证状态：Not Qualified
表面贴装：YES端子形式：GULL WING
端子位置：QUADBase Number Matches：1

TSI206A 数据手册

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Datasheet  
Tsi206 Primary Side Monitor with Inrush  
Control  
•
•
Industrial controllers  
Features  
Single board computers  
•
•
•
•
•
•
•
Input voltage measurement (24 V or 48 V)  
10-bit analog-to-digital converter (ADC)  
Input voltage measurement accuracy 0.5%  
Control of inrush current  
Fuse status monitoring, high and low side  
Primary current sensing and measurement  
Primary side undervoltage, overvoltage and  
brownout detection  
Electronic circuit breaker function  
Enable control for intermediate bus power  
converter  
Isolated PI-Link interface to secondary side  
controller transmits primary voltage, current,  
fuse status and input status data  
Description  
The Tsi206 is designed to monitor parameters on  
the high voltage primary side of an on-card power  
system in a distributed power architecture.  
In a typical 24 V or 48 V application, the Tsi206  
measures input voltage and current and transmits  
the digitized values through the PI-Link interface to  
the secondary side controller (Tsi257). It also  
controls an external MOSFET to limit card inrush  
current at startup. Programmable input overvoltage  
(OV) and undervoltage (UV) detection are provided.  
•
•
•
•
•
Input UV shutdown accuracy <1%  
Self-powered from 24 V or 48 V nominal  
The Tsi206 provides on-off control for an isolated  
power converter that supplies the intermediate bus  
voltage for the card. It monitors the status of up to  
four input fuses, both high side and low side. Fuse  
status information is transmitted to the secondary  
side through the serial PI-Link interface.  
Applications  
•
Telecom and datacom cards  
ATCA (Advanced Telecom Compute  
Architecture) systems  
•
Figure 1 — Typical application circuit  
+
+
0 V  
(Battery  
return)  
EMI  
filter  
Intermediate  
bus (IB) brick  
C4  
Enable  
IB rail  
-
Power connections  
shown as  
R5  
R19  
-
R3 R4  
R1 R2  
R17  
Tsi206  
VDD  
OP1  
ENABLE  
TX_H  
VDDO  
Seat  
(short pins)  
R16  
SHUNT  
TX_L  
BUSOFF  
VCTRL  
SEAT  
CT  
R21  
Brick  
shutdown  
signal  
from  
Tsi257  
OP2  
C7  
UV  
FETA  
SENSE_P  
SENSE_OUT  
SENSE_IN  
SENSE_N  
POR  
Q2  
C6  
R13  
VBATT  
FUSE_H  
R15  
R22  
C11  
Monitor  
signal  
to  
FUSE_L  
R14  
NC  
R8  
VBG  
VSS  
R6  
Tsi257  
R7  
D1  
R12  
T1  
Isolation  
circuit  
(see Fig. 7)  
VSSO  
AUX  
BIAS  
R9 R10  
R20  
C2  
-48 V A  
-48 V B  
C3  
Q1  
Fuse A  
Fuse B  
Primary  
Secondary  
R11  
C5  
C1  
R18  
D2  
MD533J  
Note: High-side fuse monitoring is not shown – refer to Figure 8.  
80C7000_MA001_01 April 2006  
© Tundra Semiconductor Corporation  
- 1 -  
1234567...28

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