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Texas Instruments LM5122-Q1 | Demoboard PMP11479
98% Efficient 30W Synchronous Automotive Pre-Boost Reference Design
Overview
| Topology | Boost Converter |
| Input voltage | 6-16 V |
| Output 1 | 12 V / 2.5 A |
| IC revision | A |
Description
98% Efficient 30W Synchronous Automotive Pre-Boost Reference Design. PMP11479 is a synchronous boost power supply using the LM5122-Q1 controllers. The design accepts an input voltage of 6Vin to 16Vin, and boosts a 12Vout rail capable of sourcing 2.5A continuous current. The LM5122-Q1 has an internal current source to keep the high side FET to run at 100% duty cycle which allows a bypass operation when the input voltage is greater than the configured output voltage.
Features
- 6V to 16V in, output 12V@ 2.5A
- Achieving efficiency of 98% at 12Vin
- High density design
- Solution size: 36mm x 23mm
- Overvoltage and overcurrent protection
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(nH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | LR(nH) | IR(A) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCM SMT High Current Flat Wire Inductor, 105 nH, 76.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCM SMT High Current Flat Wire Inductor | Inductance105 nH | Performance Rated Current76.1 A | Saturation Current @ 10%45 A | Saturation Current @ 30%51 A | DC Resistance0.235 mΩ | Self Resonant Frequency70 MHz | MaterialMnZn | Rated Inductance104 nH | Rated Current30 A | ||||
 | WE-HCI SMT Flat Wire High Current Inductor, 6000 nH, 13.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance6000 nH | Performance Rated Current13.6 A | Saturation Current @ 10%6 A | Saturation Current @ 30%14 A | DC Resistance8.4 mΩ | Self Resonant Frequency22 MHz | MaterialWE-PERM | Rated Inductance4500 nH | – |