48V/12V DC/DC Converter
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- Oswald McKinney
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1 48V/12V DC/DC Converter Table of Contents 12V output, EMI Filter V output, reverse polarity protection V output, security switch V output, transient protection V input, EMI Filter V input, reverse polarity protection V input, security switch V input, transient protection...10 Bi directional synchronous buck boost converter, buffer capacitor...11 Bi directional synchronous buck boost converter, high side current sensor...12 Bi directional synchronous buck boost converter, high side switch...13 Bi directional synchronous buck boost converter, low side current sensor Bi directional synchronous buck boost converter, low side switch Bi directional synchronous buck boost converter, storage inductor power supply, SMPS buck converter page 1
2 48V/12V DC/DC Converter Vishay Components used: Power MOSFETs Diodes Capacitors Inductors/customized inductors Transient Protection Devices ESD Protection Devices Reverse Polarity Protection Devices Precision Resistors Application Overview With 48V battery line there will remain loads with 12V. For this reason future cars will have a central DC/DC converter bringing down 48V to 12V. Different topologies are possible as for example multiphase coupled and non-coupled inductors. For all topologies Vishay offer you a broad portfolio of solutions. With standard devices like MOSFETs, Diodes, Resistors, Capacitors and Inductors as well as with customized magnetic solutions. page 2
3 48V/12V DC/DC Converter : 12V output, EMI Filter Al Cap 260 CLA-V Alumimum Capacitor SMD vibration proof high temperature Inductors uF 16V 80V 16x16x16 to 18x18x21 AECQ200 IHLP-3232DZ-5A IHLP-4040DZ-5A MLCC Low Profile, High Current High Transient Current Spike Cabable, Shielded, Low DCR Low Profile, High Current, High Transient Current Spike Cabable Shielded, Low DCR 0,22uH 33uH, Idc=36A 3.1A 0,47uH 47uH, Idc=30A 2.5A 3232 AECQ AECQ200 VJ...31X RoHS Automotive MLCC SMD MLCC for Automotive Applications 120pF 1uF 16V 1000V 0402 to 1812 AECQ200 page 3
4 48V/12V DC/DC Converter : 12V output, reverse polarity protection MOSFET SQJQ402E N-Channel 40-V (D-S) 175 C MOSFET Rdson=1.7mOhm PPAK 8x8L AECQ101 page 4
5 48V/12V DC/DC Converter : 12V output, security switch MOSFET SQJQ402E N-Channel 40-V (D-S) 175 C MOSFET Rdson=1.7mOhm PPAK 8x8L AECQ101 page 5
6 48V/12V DC/DC Converter : 12V output, transient protection TVS Diode TPSMP6.8 thru TPSMP43A surface mountetranszorb Transient Voltage Suppressor 250W SMP AECQ101 page 6
7 48V/12V DC/DC Converter : 48V input, EMI Filter Al Cap 260 CLA-V Alumimum Capacitor SMD vibration proof high temperature custom magnetics uF; 16V 80V 16x16x16 18x18x21 customized EMI filter MLCC customized EMI filter VJ...31X RoHS Automotive MLCC SMD MLCC for Automotive Applications 120pF 1uF; 16V 1000V 0402 to 1812 page 7
8 48V/12V DC/DC Converter : 48V input, reverse polarity protection MOSFET SQJQ410EL N-Channel 100-V (D-S) 175 C MOSFET Rdson=3.4mOhm PPAK 8x8L AECQ101 page 8
9 48V/12V DC/DC Converter : 48V input, security switch MOSFET SQJQ410EL N-Channel 100-V (D-S) 175 C MOSFET Rdson=3.4mOhm PPAK 8x8L AECQ101 page 9
10 48V/12V DC/DC Converter : 48V input, transient protection TVS Diode 1.5 SMC Series surface mountetranszorb Transient Voltage Suppressor 1500W SMCJ page 10
11 48V/12V DC/DC Converter : Bi directional synchronous buck boost converter, buffer capacitor Al Cap 260 CLA-V Alumimum Capacitor SMD vibration proof high temperature uF 16V 80V 16x16x16 to 18x18x21 AECQ200 page 11
12 48V/12V DC/DC Converter : Bi directional synchronous buck boost converter, high side current sensor Shunt WSLP2726 Power metal strip resistor very high power 0.3mOhm 4mOhm 2726 AECQ200 page 12
13 48V/12V DC/DC Converter : Bi directional synchronous buck boost converter, high side switch MOSFET SQJQ480E N-Channel 80-V (D-S) 175 C MOSFET Rdson=3.4mOhm PPAK 8x8L AECQ101 page 13
14 48V/12V DC/DC Converter : Bi directional synchronous buck boost converter, low side current sensor Shunt WSK1216 Power metal strip resistor, very high power 0.5mOhm 1mOhm 1216 page 14
15 48V/12V DC/DC Converter : Bi directional synchronous buck boost converter, low side switch MOSFET SQJQ100E N-Channel 40-V (D-S) 175 C MOSFET Rdson=1.4mOhm PPAK 8x8L AECQ101 page 15
16 48V/12V DC/DC Converter : Bi directional synchronous buck boost converter, storage inductor custom magnetics custom magnetics Inductors customized coupled inductor IHLP-6767GZ-5A IHLP-8787MZ-5A Low Profile, High Current High Transient Current Spike Cabable Shielded, Low DCR Low Profile, High Current, High Transient Current Spike Cabable, Shielded, Low DCR 0,47uH 47uH Idc=65A 7.25A 0,47uH 100uH Idc=80A 9.1A 6767 AECQ AECQ200 page 16
17 48V/12V DC/DC Converter : power supply, SMPS buck converter Inductors IHLP2020CZ-5A IHLP2525CZ-5A MOSFET Low Profile, High Current, High Transient Current Spike Cabable Shielded, Low DCR Low Profile, High Current, High Transient Current Spike Cabable, Shielded, Low DCR 0,1uH...10uH, Idc=25A 2.25A 0,1uH 4.7uH, Idc=18A 3A 2020 AECQ AECQ200 SQJQ480E N-Channel 80-V (D-S) 175 C MOSFET Rdson=3.4mOhm PPAK 8x8L AECQ101 Schottky Diode SS2P4 High Current Density Surface Mount Schottky Barrier Rectifier If=2A; Vf=0.5V; Vrrm=40V DO-220AA (SMP) AECQ101 page 17
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HALF-BRICK DC-DC CONVERTERS 4:1 ULTRA WIDE INPUT RANGE 150 WATT RAILWAY APPLICATIONS HWB150 SERIES
DATA DATA SHEET SHEET HALF-BRICK DC-DC CONVERTERS 4:1 ULTRA WIDE INPUT RANGE 15 WATT RAILWAY APPLICATIONS FEATURES No Minimum Load Required 225 Input to Output Basic Insulation Railway Applications 4:1
American Power Design, Inc.
FEATURES 4 Customer Selects Output Voltage 4 Outputs to 200 Vdc 4 Low Profile 4 High Regulation 4 Ultra Wide Input Ranges (9-36Vdc, 20-60Vdc, 36-72Vdc) 4 1000 Vdc Output Isolation 4 Continuous Short Circuit
DC-DC CONVERTERS 4:1 WIDE INPUT RANGE UP TO 9 WATTS SINGLE AND DUAL OUTPUT, SIP PACKAGE SWB9 SERIES
DC-DC CONVERTERS 4:1 WIDE INPUT RANGE UP TO 9 WATTS SINGLE AND DUAL OUTPUT, SIP PACKAGE FEATURES 4:1 Ultra Wide Input Range Output Current up to 2000 ma Miniature SIP (Single-In-Line) Package, 0.86 0.36
Shielded SMD Power Inductor
PCDR 0728 / 0730 / 0732 / 0745 / 1045 PCDR 0628 / 1255 / 1265 / 1275 Features Dimensions Unit:mm -Compact, low profile with low DCR and large current -With magnetically shielded against radiation -Flat
Visions for Power Electronics in Automotive Applications
Visions for Power Electronics in Automotive Applications Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie, Schottkystrasse 10 91058 Erlangen Tel. 09131/761-139, Fax -312 www.iisb.fraunhofer.de
S +10V to +14V Input Range S 750kHz Switching Frequency S Output Voltages. S Greater than 94% Efficiency (Step-Up Switching Regulator)
19-5089; Rev 0; 12/09 MAX17122 Evaluation Kit General Description The MAX17122 evaluation kit (EV kit) is a fully assembled and tested surface-mount PCB that provides the voltages and features required
SELECTION GUIDE. Nominal Input Order Code Voltage. Output Voltage. Reflected ripple current
www.murata-ps.com NML Series FEATURES RoHS compliant Single isolated output 1kVDC isolation Efficiency up to 85% Wide temperature performance at full 2 watt load, 40 C to 85 C Power density 2.01W/cm 3
FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION PIN OUT & MARKING. Max.2A Li-ion Switching Charger IC
DESCRIPTION The is a 2A Li-Ion battery switching charger intended for 5V adapters. Low power dissipation, an internal MOSFET and its compact package with minimum external components requirement makes the
Designs available to match a variety of PWM control IC s. Designs meet UL/CSA/TUV/VDE Safety Standards.
Information shown uses standard parts. Modified or special designs are available. S.M.P.S Transformers Designs available to match a variety of PWM control IC s. Designs meet UL/CSA/TUV/VDE Safety Standards.
Series AM1D-Z 1 Watt DC-DC Converter
FEATURES: RoHS compliant High efficiency up to 80% Low profile plastic package 7 pin SIP package Operating temperature -40 o C to + 85 o C Short circuit protection Pin compatible with multiple manufacturers
Silicon Carbide Semiconductor Products
Power Matters Silicon Carbide Semiconductor Products Low Switching Losses Low Gate Resistance High Power Density High Thermal Conductivity High Avalanche (UIS) Rating Reduced Heat Sink Requirements High
MAX8686 Evaluation Kit Evaluates: MAX8686
General Description The MAX8686 evaluation kit (EV kit) provides a proven design to evaluate the MAX8686 single-phase, highefficiency, 25A, step-down regulator with integrated switches. The device is a
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Product Focus. Automotive Components
Product Focus Automotive Components Automotive Component Applications Comfort & Positioning Window Lifts, Seat Positioning Bourns Value Proposition AEC-Q200 qualification PPTC, inductors, resistors & MLVs
SPIRO SOLUTIONS PVT LTD POWER ELECTRONICS 1. RENEWABLE ENERGY PROJECT TITLES I. SOLAR ENERGY
POWER ELECTRONICS 1. RENEWABLE ENERGY S.NO PROJECT CODE PROJECT TITLES I. SOLAR ENERGY YEAR 1 ITPW01 Photovoltaic Module Integrated Standalone Single Stage Switched Capacitor Inverter with Maximum Power
Design of DC/DC Converters for 42V Automotive Applications
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Evaluates: MAX5974C. MAX5974C Evaluation Kit. General Description. Features. EV Kit Efficiency vs. Output Current at V IN = 42V, 48V, and 57V
General Description The MAX5974C evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board featuring the MAX5974C active-clamped, spread-spectrum, current-mode PWM controller
SELECTION GUIDE. Nominal Input Voltage. Voltage. Output. Reflected ripple current. Case Temperature rise above ambient ABSOLUTE MAXIMUM RATINGS
MEE3 Series SELECTION GUIDE FEATURES UL 695 recognized RoHS compliant Typical efficiency from 83% Power density 2.68W/cm 3 Wide temperature performance at full 3 Watt load, 4 C to 85 C 3 UL 94V- package
Supercapacitors as Power Buffers between Energy Harvesters and Wireless Sensors Pierre Mars Battery Power, September 18-19, 2012
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