xDSL ModemRouter Table of Contents DC/DC Buck Converter, Control.......................................................................................................................................3 DC/DC Buck Converter, Energy Storage......................................................................................................................... 4 DC/DC Buck Converter, Switch........................................................................................................................................ 5 Peripheral Circuits, Control Lights.................................................................................................................................. 6 Peripheral Circuits, External Connections......................................................................................................................7 Peripheral Circuits, WLAN-Module.................................................................................................................................. 8 Power Supply, CPU/DSP Power Supply.......................................................................................................................... 9 Power Supply, I/O or Memory Power............................................................................................................................. 12 page 1 xDSL ModemRouter VISHAY components used for xDSL Modems/Routers include: • Power IC Controllers • Power MOSFETS • Switching Diodes • Schottky Diodes • Capacitors • Resistors • Visible LEDS • Inductors/EMI Filters • Transient/Overvoltage Protection Devices • ESD Protection Devices • LDOs Application Overview xDSL Modem/Router Design is separated into two segments: Power and Peripheral. The Power Segment involves supplying hardware device power sources. The first step is to convert the working voltage to a usable range and stability by applying switching mode dc-to-dc Buck Converters with high efficiency and high current capability. Another voltage conversion is done for the the key power sources such as CPUs and DSPs. For the I/O parts and Memory Power, Low-Dropout Regulators or Linear Regulation is generally used as a solution because of their lower prices and simple circuitry. The Peripheral Segment can be regarded as a low-power segment. It includes USB Ports, External Connections, Wireless Transmission such as WLAN, and Control Lights. Some of these need similar functions such as ESD protection, current limiting, or load switching. page 2 xDSL ModemRouter : DC/DC Buck Converter, Control Current Sensing Product Name Status WSL1206 Description Power metal strip resistor Features 10mR 0.25W 1% Package Q-Level 1206 Feedback Product Name Status Description Features Package IL207AT Optocoupleur, phototransistor output Single channel SOIC-8 ILD207T Optocoupleur, phototransistor output Dual channel DIP-8 Q-Level page 3 xDSL ModemRouter : DC/DC Buck Converter, Energy Storage Shielded Power Inductors Product Name Status Description Features Package IHLP-2525-AH High current, low profile inductors; low DCR; Shielded; 1µH 7A dcr = 17.5 mR SMD 6.5×6.9×1.8mm IHLP2525CZ High current, low profile inductors; 2.2µH 8A dcr=18mR SMD 6.5×6.9×3.0mm Q-Level page 4 xDSL ModemRouter : DC/DC Buck Converter, Switch High Side Product Name Si4174DY Status NEW Description N-Channel 30-V (D-S) Mosfet Features N-Channel; 30-V (D-S); rDS(on) = 0.0095 Ohm; Package Q-Level SMD SO-8 Low Side Product Name Si4166DY Status NEW Description N-Channel 30-V (D-S) Mosfet Features N-channel 30V rDSon= 0.0039 Ohm ID=30.5 A Package Q-Level SO-8 page 5 xDSL ModemRouter : Peripheral Circuits, Control Lights LED's Product Name Status Description Features Package TLM*10** low illuminate, low current LED; 0603 package; 0603; Iuminous idensity 4-8mcd SMD 0603 TLM*11** 0603 package High illuminate LED 0603; Iuminous idensity 5-80mcd SMD 0603 Q-Level page 6 xDSL ModemRouter : Peripheral Circuits, External Connections ESD Protection Product Name Status Description Features Package GSOT03 single line esd protection 30kV ESD sot23 GSOT05 single line esd protection 30kV ESD sot23 Q-Level page 7 xDSL ModemRouter : Peripheral Circuits, WLAN-Module Load switch Description Features SI2301CDS Product Name Status P-Channel 20V (D-S) Mosfet VDS= 20V rDSon= 0.112 ohm ID= -3.1 TO-236 (SOT-23) Package SI2305CDS P-Channel MOSFET, 1.8V(G-S) , -8V(D- RDSon=65mOhm ID=-4.3A VGS=-1.8V sot23 Q-Level page 8 xDSL ModemRouter : Power Supply, CPU/DSP Power Supply Dual MOSFETs Product Name Status Description Features Package Si4214DDY Dual N-Channel 30-V (D-S) MOSFET rDS(on) = 0.0195 Ohm; Qgd=7.1nC SMD SO-8 Si4830CDY Dual N-Channel; 30-V (D-S) Mosfet plus Schottky Diode rDS(on) = 0.020 Ohm; Qgd=7.3nC SMD SO-8 Si4834BDY Dual N-Ch. mosfet plus Schottky diode; N-Channel; 30-V (D-S); rDS(on) = 0.022 Ohm; Qgd=2.5nC SMD SO-8 Si4914DY Dual N-Ch. MOSFET plus Schottky diode, N-Channel; 30-V (D-S); rDS(on) = 0.022 Ohm; Qgd=2.3nC SMD SO-8 Dual N-Channel; 30-V (D-S) MOSFET TrenchFET rDS(on) = 0.021 Ohm; Qgd= 6.6 SMD PPAK SO-8 Si7270DP NEW Q-Level High Sid MOSFETs Product Name Si4178DY Status NEW Description N-Channel 30-V (D-S) Mosfet Features TrenchFET RDS(on)= 0.021 Ohm Qgd= 3.7nC Package Q-Level SO-8 High Side MOSFETs Product Name Status Description Features Package Si4134DY N-Channel; 30-V (D-S) Mosfet rDS(on) = 0.014 Ohm; Qgd=7.3nC SMD SO-8 Si4162DY N-Channel 30V-( D-S) MOSFET N-Channel; 30-V (D-S); rDS(on) = 0.0079 Ohm; Qg=8.8 nC SMD SO-8 Si4174DY NEW N-Channel; 30-V (D-S) Mosfet TrenchFET rDS(on) = 0.0095 Ohm; Qgd= 8nC SMD SO-8 Si4174DY NEW N-Channel 30-V (D-S) Mosfet Extr.Low Switching Loss TrenchFET rDS(on) = 0.0095 Ohm; Qgd= 8nC SMD SO-8 Si4178DY NEW N-Channel 30-V (D-S) Mosfet rDS(on) = 0.021 Ohm; Qgd=3.7nC SMD SO-8 N-Ch. Reduced Qg, Fast Switching WFET; Extr.Low Switching Loss N-Channel; 30-V (D-S); rDS(on) = 0.0094 Ohm; Qgd=2.8nC SMD SO-8 N-Ch. Reduced Qg, Fast Switching WFET; Extr.Low Switching Loss N-Channel; 30-V (D-S); rDS(on) = 0.0095 Ohm; Qgd=2.8nC SMD SO-8 Si4812BDY N-Ch. Reduced Qg, Fast Switching MOSFET N-Channel; 30-V (D-S); rDS(on) = 0.021 Ohm; Qgd=2.1nC SMD SO-8 Si7230DN N-Ch. Reduced Qg, Fast Switching MOSFET smaller package; N-Channel; 30-V (D-S); rDS(on) = 0.016 Ohm; Qgd=4.3nC SMD PowerPAK 1212 SiR172DP N-Channel 30-V (D-S);MOSFET; TrenchFET rDS(on) = 0.0089 Ohm; Qgd=9.8nC SMD PPAK SO-8 SiR462DP N-Channel; 30-V (D-S) MOSFET rDS(on) = 0.0079 Ohm; Qg=8.8nC SMD PPAK SO-8 SiS402DN N-Channel; 30-V (D-S) MOSFET rDS(on) = 0.006 Ohm; Qgd=12nC SMD PPAK 1212-8 N-Channel; 30-V (D-S) MOSFET; rDS(on) = 0.024 Ohm; SMD Si4684DY Si4686DY SiS412DN NEW NEW Q-Level page 9 Product Name Status Description Features Qgd=3.8nC Package Q-Level PPAK 1212-8 Low Side MOSFETs Product Name Status Si4156DY Si4160DY NEW Si4162DY Description Features Package N-Channel 30-V (D-S) MOSFET rDS(on) = 0.006 Ohm; SMD SO-8 N-Channel 30-V (D-S) MOSFET N-Channel; 30-V (D-S); rDS(on) = 0.0049 Ohm; SMD SO-8 N-Channel 30-V (D-S)MOSFET TrenchFET rDS(on) = 0.0079 Ohm; Qg=18nC SMD SO-8 Si4164DY NEW N-Channel 30V(D-S) MOSFET TrenchFET rDS(on) = 0.0032 ohm Qgd= 26.5nC SMD SO-8 Si4174DY NEW N-Channel 30-V (D-S) Mosfet N-Channel; 30-V (D-S); rDS(on) = 0.0095 Ohm; Qgd=8 nC SMD SO-8 Si4178DY NEW N-Channel 30-V (D-S) Mosfet N-Channel; 30V-(D-S) rDS(on)=0.021 ohm ID= 12a SO-8 Si4634DY N-Channel MOSFET; Reduced Rds; Extr.Low Switching Loss N-Channel; 30-V (D-S); rDS(on) = 0.0067 Ohm; SMD SO-8 Si4686DY N-Ch. Reduced Qg, Fast Switching WFET; Extr.Low Switching Loss N-Channel; 30-V (D-S); rDS(on) = 0.0095 Ohm; Qgd=2.8nC SMD SO-8 Si4800BDY N-Channel MOSFET; Reduced Rds; N-CH,30V,Rds on=0.03Ohm, SO-8 Si4812BDY N-Channel Reduced Rds N-Channel; 30-V (D-S); rDS(on) = 0.016 Ohm; SMD SO-8 N-Channel 30-V (D-S) Mosfet rDS(on) = 0.0075 Ohm; Qgd=12nC SMD PPAK 1212-8 N-Channel MOSFET;Reduced Rds N-Channel; 30-V (D-S); rDS(on) = 0.0052 Ohm; SMD PPAK SO-8 Si7114ADN NEW Si7634BDP Si7716ADN NEW N-Channel 30-V (D-S) Mosfet TrenchFET Gen III rDS(on) = 0.0135 Ohm; Qgd=7.3nC SMD PPAK 1212-8 SiR466DP NEW N-Channel 30-V (D-S) MOSFET TrenchFET rDS(on) = 0.0035 Ohm; Qgd= 21.5nC SMD PPAK SO-8 SiR818DP N-Channel 30-V (D-S) Mosfet rDS(on) = 0.0028 Ohm; Qgd = 30.5nC SMD PPAK SO-8 SiS402DN N-Channe; 30-V (D-S) Mosfet rDS(on) = 0.006 Ohm; Qgd=12nC SMD PPAK 1212-8 N-Channel 30-V (D-S) Mosfet Ex rDS(on) = 0.024 Ohm; Qgd=3.8nC SMD PPAK 1212-8 SiS412DN NEW Q-Level Resistors Product Name Status Description Features Package WSL0805 small resistance, high power 1/8 W POWER; R=0.01 to 0.2 Ohm; SMD 0805 WSL2010-18 small resistance, high power 2010 size, Up to 1w power SMD 2010 WSL2512-18 small resistance, high power 2512 size,up to 2w POWER SMD 2512 Q-Level Schottky Diodes Product Name B140 Status Description low VF , low leakage current. Features 10A; 40V; Package Q-Level SMD SMA page 10 Product Name Status Description Features Package B240A low VF , low leakage current. 20A; 40V; SMD SMA B340A low VF , low leakage current. 30A,40V; SMD SMA SS1P4 Schottky Diodes; low leakage current; small Package; 10,40V SMP SS2P4 Schottky Diodes; low VF; low leakage current; small Package; 20A,40V SMP SS3P4 Schottky Diodes; low VF; low leakage current; small Package; 30A, 40V SMP Q-Level Shielded Power Inductors Product Name IHLP1616-01 Status NEW Description Features Package High current, low profile inductor low DCR; Shielded; Rated current up to 11A. SMD IHLP2525CZ-01 High current, low profile inductors; low DCR; Shielded; Rated current up to 25A, SMD IHLP4040DZ-01 High current, low profile inductors; low DCR; Shielded; up to 100uH; IDC up to 40A; SMD IHLP4040DZ-11 High current, low profile inductors; low DCR; Shielded; up to 100uH; IDC up to 40A; SMD Q-Level Switching Diode Product Name Status Description Features Package 1N4148WS-V Small signal fast switching diodes; 500mA current, Vf=1.0 V; Vrrm=75 V; SMD SOD-323 BAT54A-V Small Signal Schottky Diodes; Single & Dual; rated current 200mA; VR 30v, Vf=0.32 SMD SOT-23 BAT54W-V Small Signal Schottky Diode; Single; rated current 200mA; VR 30v, Vf=0.32 SMD SOD123 BAV99-V Small Signal Fast Switching Diodes; rated current 50 mA; Vrrm 70 V; SMD SOT-23 Q-Level page 11 xDSL ModemRouter : Power Supply, I/O or Memory Power Signal MOSFET Product Name 2N7002K Status Description N-Ch; 60V (DS) MOSFET; add ESD protect function Features 60v (DS); Small current Package Q-Level SMD SOT-23 page 12 page 13