参数资料
型号: 71M6531D-IM/F
厂商: TERIDIAN SEMICONDUCTOR CORP
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC68
封装: LEAD FREE, QFN-68
文件页数: 81/120页
文件大小: 2477K
代理商: 71M6531D-IM/F
FDS 6531/6532 005
Data Sheet 71M6531D/F-71M6532D/F
v1.3
2005-2010 TERIDIAN Semiconductor Corporation
63
3
Application Information
3.1
Connection of Sensors
Figure 28 through Figure 30 show how resistive dividers, current transformers, Rogowski coils and resistive
shunts are connected to the voltage and current inputs of the 71M6531.
The analog input pins of the 71M65XX are designed for sensors with low source impedance. RC
filters with resistance values higher than those implemented in the Teridian Demo Boards should be
avoided.
Figure 28: Resistive Voltage Divider
Figure 29: CT with Single Ended (Left) and Differential Input (Right) Connection
Figure 30: Resistive Shunt (Left) and Rogowski Sensor (Right) Connection
3.2
Connecting 5-V Devices
All digital input pins of the 71M6531D/F and 71M6532D/F are compatible with external 5-V devices. I/O
pins configured as inputs do not require current-limiting resistors when they are connected to external 5 V
devices.
VA = Vin * R
out/(Rout + Rin)
V
in
R
in
R
out
VA
V
out
R
1/N
I
in
I
out
Filter
V3P3
IA
InP
InN
V3P3A
V
OUT
I
OUT
I
IN
R
1/N
V
DIFF
V
out
R
I
in
IA
V3P3
Vout = c*dIin /dt
Vout
1/N
Iin
IAN
IAP
V3P3A
相关PDF资料
PDF描述
71M6532F-IGTR/F 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP100
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