PEF2426HV1.1 Lantiq, PEF2426HV1.1 Datasheet
PEF2426HV1.1
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PEF2426HV1.1 Summary of contents
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Edition 2001-10-31 Published by Infineon Technologies AG, St.-Martin-Strasse 53, D-81541 München, Germany © Infineon Technologies AG 31. 10. 01. All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as warranted ...
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PEF 2426 Revision History: Previous Version: Page Subjects (major changes since last revision) 6 feature-comparison IEPC vs. QIHPC for S-feeding 17 Updated proposal for the protection circuitry 22 Table 5 Item 5 For questions on technology, delivery and prices please ...
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Table of Contents 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of Figures Figure 1 Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of Tables Table 1 Comparing the Power Feeeding IC's: IEPC vs. QIHPC Table 2 Pin Definitions and Functions . . . . . . . . ...
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Overview The QUAD ISDN/S(H)DSL High Voltage Power Controller provides a power source for up to four U-line interfaces or S-interfaces. The power source to the device is a local battery or a centralized power supply. Each powered line is ...
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QUAD ISDN/S(H)DSL High Voltage Power Controller QIHPC Version 1.1 1.1 Features • Supplies power for up to four ISDN or S(H)DSL transmission lines on Central Office and DSLAM Linecards • ETSI TS 102 080 compatible • TS 101 524 and ...
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Logic Symbol • GND ILF S 1 Current Sensing Figure 1 Logic Symbol Data Sheet Relay Driver input pins Relay Driver pins . . . RD RD ...
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Typical Applications The QIHPC is an integrated power controller especially designed for feeding two-wire ISDN/S(H)DSL-transmission lines. Four U interface lines can be powered by one QIHPC. Test Unit Q-IHPC PEF 2426 V GND ILF Figure ...
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U AC-Path k0 Channel 1 Channel1 U AC-Path k0 Channel 2 Channel2 U AC-Path k0 Channel 3 Channel3 U AC-Path k0 Channel 4 Channel4 Figure 3 System integration Figure 3 gives general overview of the system integration of the ...
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S/T-Feeding Due to its functional similarity to the PEB 2025 IEPC, the QIHPC can be used as a replacement for the PEB 2025 in applications such as current feeding at multiple S interfaces: • Table 1 Comparing the Power ...
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Pin Descriptions 2.1 Pin Configuration (top view) RDin3 RDin2 RDin1 GND D1 S1 CS1 CS2 S2 D2 VILF Figure 4 Pin Configuration Data Sheet RDin7 RDin6 RDin5 7 PEF 2426 Pin Descriptions GND D4 S4 CS4 CS3 S3 D3 ...
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Pin Definitions and Functions • Table 2 Pin Definitions and Functions Pin No. Symbol Input (I) Output ( Supply DD 3 GND Supply Supply ILF ...
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Table 2 Pin Definitions and Functions (Continued) Pin No. Symbol Input (I) Output (O) 8 NACK NACK 2 10 NACK 3 11 NACK in1 35 RD in2 34 RD in3 33 RD in4 ...
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Functional Description 3.1 Functional Block Diagram • Junction Temperature Control PF 1.. Logic NACK 1..4 Line Feed Control Line Current Control D 1.. 1..4 R Substrat V ILF Figure 5 Functional Block ...
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In the Functional Block Diagram, Figure 5, we can see four different types of circuit blocks: one biasing circuit, four line feed control circuits, four line current control circuits and eight relay driver circuits. 3.2 Biasing Circuit The bandgap circuit ...
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QIHPC. If the device junction temperature then still continues to increase the QIHPC. The line(s) in current overload will be switched off sufficiently fast once the second threshold T ...
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See also Table 4. Table 4 Function Table for Controlling One Line PF current current (other channels) (this channel) 0 don’t care don’t care at least one don’t care 0 1 above indication threshold don’t care don’t care 0 1 ...
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S and V exceeds about 0.7 V the DMOS is switched off as fast as possible. 1..4 ILF 0.7 V divided S1..4 This level has a strong temperature dependence (-40 °C junction temperature gives about ...
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Application Hints 4.1 Resistor R S1..4 The value of this resistor defines the overcurrent indication level. Note, that the value of this resistor must be considered for line symmetry. The typical overcurrent indication level I can be programmed by ...
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Figure 6 Delay time t Data Sheet 47 68 100 220 C [nF] S1.. function of the value PEF 2426 Application Hints ...
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Protection Circuitry • path B Figure 7 Proposal for a Protection Circuitry An external circuitry is needed to protect the QIHPC against damages due to high voltages from the line. High voltages can be caused by ...
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Operational Description The QIHPC is compliant to the ETSI TS 102 080 “Dynamic power feeding requirements” using the LT power test load (see Figure 8). There is no requirement for the order of powering up the lines, or for ...
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NACK NACK NACK NACK Figure 9 Simultaneous Power Up Sequence Data Sheet i D1 ...
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Electrical Characteristics • 6.1 Absolute Maximum Ratings Parameter Operating ambient temperature range: Storage temperature range Voltage on pin V with respect to ground DD Voltage on pin V with respect to ground ILF Voltages on pins D with respect ...
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Operating Range Parameter V supply voltage DD V supply voltage ILF Note: In the operating range the functions given in the circuit description are fulfilled. 6.3 Static Thermal Resistance Parameter Junction to ambient Junction to case 6.4 AC/DC-Characteristics ...
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Table 5 DC Characteristics No. Parameter Symbol Supply Currents current current ILF ILF Line Currents, Delay Time Overcurrent maxOC1..4 Indication Level I 4 Current Limiting maxL1..4 Level ...
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Table 5 DC Characteristics (Continued) No. Parameter Symbol RD , Relay Driver Inputs in1.. “ON” - Input Voltage V 15 “OFF” - Input Voltage I 16 pull down pd,RDin1..8 Input Current RD , Relay Driver Outputs out1..8 V ...
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GND I OFF ==> ON: I maxOC1 I ON: I max1 maxOFF1 Channel1 I maxOFF1 OFF ==> ON Line GND I OFF ==> ON: I maxOC2 I ON: I max2 maxOFF2 Channel2 I maxOFF2 OFF ==> ON: ...
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R Load1.. ILF R S1.. Figure Logic Input Levels and NACK 1..4 Data Sheet RD : open RD : open in1..8 out1.. ...
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I pd,RDin8 V on,RDin8 V off,RDin8 V RDin8 I pd,RDin2 V on,RDin2 V off,RDin2 V RDin2 V on,RDin1 V off,RDin1 V RDin1 D : open 1..4 Figure Relay Driver Inputs and RD in1..8 • ...
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Package Outlines • P-MQFP-44 (Plastic Metric Quad Flat Package) Sorts of Packing Package outlines for tubes, trays etc. are contained in our Data Book “Package Information”. SMD = Surface Mounted Device Data Sheet 27 PEF 2426 Package Outlines Dimensions ...
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Infineon goes for Business Excellence “Business excellence means intelligent approaches and clearly defined processes, which are both constantly under review and ultimately lead to good operating results. Better operating results and business excellence mean less idleness and wastefulness for all ...