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Overview
| Topology | Buck-Boost Converter |
| Input voltage | 6-40 V |
| Output 1 | 15 V / 3 A |
| Output 2 | 5 V / 3 A |
| Output 3 | 9 V / 3 A |
| Output 4 | 20 V / 3 A |
| IC revision | A |
Description
PMP20774 is universal USB Type C™ Charger utilizing the LM5175 DCDC and TPS25740B PD controllerfor aftermarket car charger applications. This design has a minimum operating input voltage of 6V and amaximum input voltage of 40V. The design is capable of sourcing 3A continuous current at 5Vout, 9Vout,15Vout and 20Vout. Switching frequency is set to 350kHz. Waveforms were taken at 12V and 24V input.A dedicated USB Type C™ load board was used to perform the PD negotiation. The actual efficiency ofthe DCDC will be higher because more current is drawn to power the load board.
Features
Remarks: Schematic and BOM is added with TEST PDF6V to 40V in, output 5V @ 3A, 9V @ 3A, 20V @ 3AAchieving efficiency of 90% across entire operation range, 95% peak efficiencyCompact size, slim form factorSolution size: 57mm x 19mmNo firmware needed, PD controller TPS25740
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | Z(mΩ) | ILeak(µA) | DF(%) | Ø D(mm) | L(mm) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 5.5 µH, 12 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance5.5 µH | Performance Rated Current12 A | Saturation Current @ 10%4.5 A | Saturation Current @ 30%12 A | DC Resistance10.3 mΩ | Self Resonant Frequency30 MHz | MaterialSuperflux | – | – | – | – | – | – | – | – | Length10.5 mm | – | ||||
 | WCAP-ASLI Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLI Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | Capacitance100 µF | Rated Voltage25 V (DC) | Endurance 2000 | Ripple Current290 mA | Impedance380 mΩ | Leakage Current25 µA | Dissipation Factor14 % | Diameter6.3 mm | Length7.7 mm | Packaging15" Tape & Reel | ||||
| WCAP-ASLI Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLI Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | Capacitance47 µF | Rated Voltage50 V (DC) | Endurance 2000 | Ripple Current230 mA | Impedance700 mΩ | Leakage Current23.5 µA | Dissipation Factor12 % | Diameter6.3 mm | Length7.7 mm | Packaging15" Tape & Reel |