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Texas Instruments TPS54160DGQ | Demoboard PMP9091
12V Input 3W Dual 5V Output Buck Regulator Reference Design
Overview
| Topology | Buck Converter |
| Input voltage | 10-14 V |
| Output 1 | 5 V / 0.2 A |
| Output 2 | 5 V / 0.5 A |
| IC revision | A |
Description
This supply uses the TPS54160 buck regulator to generate a 5V/0.5A regulated output and an auxilliary 5V/0.2A unregulated output. A two winding coupled inductor is used to generate the auxilliary output. The auxilliary output is left floating, and could be used as a -5V output or as a second +5V output. This simple design results in an efficient, yet low cost solution for a dual output system. The peak efficiency is over 88%.
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Wire Section | L(µH) | IR(A) | ISAT(A) | Mount | L1(µH) | L2(µH) | IR(A) | IR 2(A) | ISAT(A) | RDC1 typ(Ω) | RDC2 typ(Ω) | RDC1 max(Ω) | RDC2 max(Ω) | fres(MHz) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TPC SMT Tiny Power Inductor, 2, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Pins2 | – | – | – | Inductance2.2 µH | Rated Current1.8 A | Saturation Current2.4 A | MountSMT | – | – | – | – | – | – | – | – | – | Self Resonant Frequency130 MHz | – | ||||
 | WR-TBL Series 2143 - 3.81 mm Horiz. Entry Modular, 2, Rising Cage Clamp | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 2143 - 3.81 mm Horiz. Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | Wire Section 24 to 16 (AWG) 0.2 to 1 (mm²) | – | Rated Current10 A | – | MountTHT | – | – | – | – | – | – | – | – | – | – | TypeHorizontal | |||
 | WE-DD SMT Shielded Coupled Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-DD SMT Shielded Coupled Inductor | – | – | – | – | Inductance47 µH | Rated Current0.9 A | Saturation Current1 A | – | Inductance 147 µH | Inductance 247 µH | Rated Current0.9 A | Rated Current 20.9 A | Saturation Current1 A | DC Resistance 10.6 Ω | DC Resistance 20.6 Ω | DC Resistance 10.75 Ω | DC Resistance 20.75 Ω | Self Resonant Frequency8 MHz | TypeStraight |