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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 | Product series | L (nH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | LR (nH) | IR (A) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744302010 | SPEC | 8 files | WE-HCM SMT High Current Flat Wire Inductor | 105 | 76.1 | 45 | 51 | 0.235 | – | MnZn | 104 | 30 | ||
 | 7443551600 | SPEC | 8 files | WE-HCI SMT Flat Wire High Current Inductor | 6000 | 13.6 | 6 | 14 | 8.4 | 22 | WE-PERM | 4500 | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744302010 | SPEC | |
| 7443551600 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | L (nH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | LR (nH) | IR (A) | Samples |
|---|