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Texas Instruments LM5180 | Demoboard PMP30629
Isolated 2.5-W SiC & IGBT gate-drive reference design with integrated switch PSR flyback converter
Overview
| Topology | Flyback Converter |
| Input voltage | 9-36 V |
| Switching frequency | 12-350 kHz |
| Output 1 | 15 V / 0.13 A |
| Output 2 | -4 V / 0.13 A |
| IC revision | B |
Description
This document analyzes two methods to increase the drive current from integrated gate-driver ICs. The performance of both the methods is compared by building boards and testing them at various conditions.These circuits are discussed in further detail in subsequent sections.
Features
- Designed for reliable and rugged applications– Wide input voltage range of 4.5 V to 65 V– Robust solution with only one component crossing the isolation barrier– ±1.5% total output regulation accuracy– Optional VOUT temperature compensation– 6-ms internal or programmable soft start– Input UVLO and thermal shutdown protection– Hiccup-mode overcurrent fault protection– –40°C to +150°C junction temperature range
Typical applications
- Multi-output rails for analog input modules
- Motor drive: IGBT gate drive supplies
- Isolated field transmitters and field actuators
- Building automation HVAC systems
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | VIN (V) | VOut1 (V) | VOut2 (V) | PO (W) | CWW 1 (pF) | fswitch (kHz) | n | Version | IC Reference | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (mΩ) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744042100 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 10 | 1.3 | 1 | 45 | SMT | – | – | – | – | – | – | – | SMT | – | – | – | – | – | 150 | – | ||
 | 750317894 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-AGDT Auxiliary Gate Drive Transformer | 18 | – | 1.6 | – | SMT | 9 - 18 | 15 | -4 | 3 | 7 | 350 | 2.25:3.5:1 | Flyback | LM5180 | – | – | – | – | – | – | ||
| 750317893 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-AGDT Auxiliary Gate Drive Transformer | 18 | – | 1.95 | – | SMT | 9 - 18 | 19 | – | 3 | 6.8 | 350 | 1:2 | Flyback | LM5180 | – | – | – | – | – | – | ||
| 750318208 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-AGDT Auxiliary Gate Drive Transformer | 27 | – | 1.5 | – | SMT | 18 - 36 | 15 | -4 | 5 | 7 | 350 | 3.5:3.5:1 | Flyback | LM5180 | – | – | – | – | – | – | ||
| 750318207 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-AGDT Auxiliary Gate Drive Transformer | 27 | – | 2 | – | SMT | 18 - 36 | 19 | – | 5 | 8.2 | 350 | 1:1.2 | Flyback | LM5180 | – | – | – | – | – | – | ||
 | 742792021 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CBF SMT EMI Suppression Ferrite Bead | – | 4.5 | – | – | SMT | – | – | – | – | – | – | – | SMT | – | 22 | 40 | 1000 MHz | 6000 | 8 | High Current | ||
| 750318212 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||
| 750318213 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | Flyback Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744042100 | SPEC | |
| 750317894 | SPEC | |
| 750317893 | SPEC | |
| 750318208 | SPEC | |
| 750318207 | SPEC | |
| 742792021 | SPEC | |
| 750318212 | SPEC | – | |
| 750318213 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | VIN (V) | VOut1 (V) | VOut2 (V) | PO (W) | CWW 1 (pF) | fswitch (kHz) | n | Version | IC Reference | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR 2 (mA) | RDC max. (mΩ) | Type | Samples |
|---|