2426 QUAD ISDN/S(H)DSL Power Controller Quad ISDN High Voltage Po
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2426 QUAD ISDN/S(H)DSL Power Controller
Quad ISDN High Voltage Power Controller integrated power controller especially designed feeding two-wire ISDN transmission lines. four U-interface, S-interface S(H)DSL-lines powered chip, making QIHPC become essential part central office-, DSLAM- PBX-linecards Integrated Access Devices (IADs). Each powered line individually controlled monitored device interface. This enables easy detection overloads faults fast localization even large system. integrated intelligent chip temperature control guards QIHPC case overload. Additionally eight drivers external relays integrated QIHPC.
Central office digital linecards Access network digital linecards Linecards Central office digital linecards Access network digital linecards
Applications S(H)DSL
Current feeding Flexible digital supply voltage between current limiting level programmed external resistor Overcurrent indication threshold programmed with external resistors independently from current limitation Intelligent chip temperature control overcurrent indication setup delay programmed separately each line external capacitors
Applications S-interface Integrated Access Devices (IAD)
ISDN line feed supply voltage
QUAD Power Controller
ETSI (ISDN), (S(H)DSL) ITU-T G.991.2 Annex
Supplies power four transmission lines
Features
linecards
Separate current monitoring limiting each line
Applications U-interface
ISDN/S(H)DSL
Functional comparability IEPC 2025 Switching current limited lines automatically when expecting overheating problems Switching four lines automatically case real overheating Proper start sequencing case simultaneous power requests Controllable 4-channel U-transceiver chipsets Integrated relay drivers eight relays providing collector current driver Extended temperature range (-40 Small P-MQFP-44 package
RDIN1.8
Block Diagram
Biasing
RDOUT1.
Junction Temperature Control Bandgap Relays Driver
RFPOS
RFNEG
PF1.4 Line Feed Control NACK1.4 Line Current Control
VILF
CS1.4
D1.4
S1.4
Ordering Code
Type
Package
Sales Code Q67233-H1099
Availability Production
2426 V1.1 P-MQFP-44
Tools Documentation
Name Data Sheet 2426 V1.1 SMART 2426 V1.0 Demoboard
Sales Code Q67230-H1230
Status 10.01 Available
U-Transceiver Channel
Power Feeding ISDN Linecards
Overvoltage Protection
RDIN1.8 RDOUT1.8
U-Transceiver Channel
Overvoltage Protection
U-Transceiver Channel
QIHPC
Overvoltage Protection
VILF
S1.4 CS1.4 RFPOS
NACK1 NACK2 NACK3 NACK4 RFNEG
U-Transceiver Channel
VILF
CS1.4
Overvoltage Protection
RS1.4
VILF
VILF
reach http://www.infineon.com Published Infineon Technologies St.-Martin-Strasse 81541 Infineon Technologies 2001. Rights Reserved.
Attention please! information herein given describe certain components shall considered warranted characteristics. Terms delivery rights technical change reserved. hereby disclaim warranties, including limited warranties non-infringement, regarding circuits, descriptions charts stated herein. Infineon Technologies approved CECC manufacturer. Information further information technology, delivery terms conditions prices please contact your nearest Infineon Technologies Office Germany Infineon Technologies Representatives worldwide.
Warnings technical requirements components contain dangerous substances. information types question please contact your nearest Infineon Technologies Office. Infineon Technologies Components only used lifesupport devices systems with express written approval Infineon Technologies, failure such components reasonably expected cause failure that life-support device system, affect safety effectiveness that device system. Life support devices systems intended implanted human body, support and/or maintain sustain and/or protect human life. they fail, reasonable assume that health user other persons endangered.
Published Infineon Technologies
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