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Texas Instruments LM5121 | Demoboard SNVA726
High Density 72W Battery Powered Synchronous Boost Reference Design
Overview
| Topology | Boost Converter |
| Input voltage | 5-8.6 V |
| Switching frequency | 300 kHz |
| Output 1 | 12 V / 6 A |
| IC revision | 1 |
Description
High Density 72W Battery Powered Synchronous Boost Reference DesignPMP11422 is a synchronous boost power supply using the LM5121 controllers. The design accepts an input voltage of 5Vin to 8.6Vin, and boosts a 12Vout rail capable of sourcing 6A continuous current. The LM5121 integrates an input disconnection switch feature which allows boost short circuit protection, the device turns off the switch when a short circuit event occurs.
Features
High density designIntegrated boost short circuit protection72W capability+/- 5% load transientOvervoltage, 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, 2800 nH, 22.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance2800 nH | Performance Rated Current22.5 A | Saturation Current @ 10%8 A | Saturation Current @ 30%17.5 A | DC Resistance3.3 mΩ | Self Resonant Frequency35 MHz | MaterialWE-PERM | Rated Inductance1850 nH | – |