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Silicon Laboratories si85xx Manuel d'utilisateur

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Rev. 0.1 6/07 Copyright © 2007 by Silicon Laboratories Si85xx-TB UG
Si85xx-TB UG
Si85
XX
U
NIDIRECTIONAL
AC C
URRENT
S
ENSOR
T
ARGET
B
OARD
U
SER
’
S
G
UIDE
The Si85xx products are unidirectional ac current sensors available with full scale current sense input ranges of 5,
10, and 20 A. Si85xx products are ideal upgrades for older current-sensing technologies offering size, performance
and cost advantages over current transformers, Hall Effect devices, DCR circuits, and other approaches. The
Si85xx are extremely low-loss, adding less than 1.3 mΩ of series resistance and less than 2 nH series inductance
in the sensing path at 25 ºC. Current-sensing terminals are isolated from the other package pins to a maximum
voltage of 1,000 VDC.
1. Kit Contents
The Si85xx Unidirectional AC Current Sensor Development Kit contains the following items:
10 Amp Si8512 based evaluation board
Si85xx Unidirectional AC Current Sensor Target Board User's Guide (this document)
2. Hardware Overview
The Si85xx Target Board (Si85xx-TB, see Figure 1) provides a means to evaluate the ac current sensor in an
existing application. It is meant to be soldered directly into the users existing power supply. The board comes with
the Si8512 installed and provides a 10 Amp full scale input sense range and a 2.0 V full scale output voltage. For
more details on the Si8512, refer to the Si85xx Data Sheet.
Figure 1. Si85xx-TB Overview
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Résumé du contenu

Page 1 - Si85xx-TB UG

Rev. 0.1 6/07 Copyright © 2007 by Silicon Laboratories Si85xx-TB UGSi85xx-TB UGSi85XX UNIDIRECTIONAL AC CURRENT SENSOR TARGET BOARD USER’S GUIDEThe Si

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Si85xx-TB UG2 Confidential Rev. 0.13. Si85xx-TB Hardwired to Single-Phase POLFigure 2 illustrates the Si85xx-TB soldered directly into a single-phase

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Si85xx-TB UGConfidential Rev. 0.1 34. Si85xx Evaluation BoardThe Si85xx-TB has a Si8512 installed. Refer to Figure 4 for the locations of the various

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Si85xx-TB UG4 Confidential Rev. 0.14.3. R1, R2, R3, R4 Inputs, OUT1, OUT2 Outputs (J4)Connector J4 is used to provide the control inputs (R1, R2, R3,

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Si85xx-TB UGConfidential Rev. 0.1 55. SchematicOUT2OUT1R4R3R2R1MODEV5VV5VV5VV5VNormal Setup, No ModsC110uFC110uFJ5IINJ5IIN1 23 4J3J3J6IIOUTJ6IIOUTJ15

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Si85xx-TB UG6 Confidential Rev. 0.16. Bill of MaterialsTable 7. Si825x Multi-Phase POL Reference Design Bill of Materials Item Quantity Reference Par

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Si85xx-TB UGConfidential Rev. 0.1 7NOTES:

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Si85xx-TB UG8 Confidential Rev. 0.1CONTACT INFORMATIONSilicon Laboratories Inc.400 West Cesar ChavezAustin, TX 78701Tel: 1+(512) 416-8500Fax: 1+(512)

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