Datasheet Texas Instruments LM5175
| Manufacturer | Texas Instruments |
| Series | LM5175 |
42V Wide Vin 4-Switch Synchronous Buck-Boost Controller
Datasheets
LM5175 42-V Wide VIN Synchronous 4-Switch Buck-Boost Controller datasheet
PDF, 1.7 Mb, Revision: A, File published: May 2, 2016
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Prices
Status
| LM5175PWPR | LM5175PWPT | LM5175RHFR | LM5175RHFT | |
|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | Yes | Yes | No |
Packaging
| LM5175PWPR | LM5175PWPT | LM5175RHFR | LM5175RHFT | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Pin | 28 | 28 | 28 | 28 |
| Package Type | PWP | PWP | RHF | RHF |
| Industry STD Term | HTSSOP | HTSSOP | VQFN | VQFN |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PQFP-N | R-PQFP-N |
| Package QTY | 2000 | 250 | 3000 | 250 |
| Carrier | LARGE T&R | SMALL T&R | LARGE T&R | SMALL T&R |
| Device Marking | LM5175 | LM5175 | LM5175 | LM5175 |
| Width (mm) | 4.4 | 4.4 | 4 | 4 |
| Length (mm) | 9.7 | 9.7 | 5 | 5 |
| Thickness (mm) | 1 | 1 | .9 | .9 |
| Pitch (mm) | .65 | .65 | .5 | .5 |
| Max Height (mm) | 1.2 | 1.2 | 1 | 1 |
| Mechanical Data | Download | Download | Download | Download |
Parametrics
| Parameters / Models | LM5175PWPR | LM5175PWPT | LM5175RHFR | LM5175RHFT |
|---|---|---|---|---|
| Duty Cycle(Max), % | 100 | 100 | 100 | 100 |
| Iout(Max), A | 20 | 20 | 20 | 20 |
| Iq(Typ), mA | 1.65 | 1.65 | 1.65 | 1.65 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Package Group | HTSSOP | HTSSOP | VQFN | VQFN |
| Rating | Catalog | Catalog | Catalog | Catalog |
| Special Features | Adjustable Current Limit,Enable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Synchronous Rectification,UVLO Adjustable | Adjustable Current Limit,Enable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Synchronous Rectification,UVLO Adjustable | Adjustable Current Limit,Enable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Synchronous Rectification,UVLO Adjustable | Adjustable Current Limit,Enable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Synchronous Rectification,UVLO Adjustable |
| Switch Current Limit(Min), A | 20 | 20 | 20 | 20 |
| Switching Frequency(Max), kHz | 600 | 600 | 600 | 600 |
| Switching Frequency(Min), kHz | 100 | 100 | 100 | 100 |
| Topology | Buck/Boost | Buck/Boost | Buck/Boost | Buck/Boost |
| Type | Controller | Controller | Controller | Controller |
| Vin(Max), V | 42 | 42 | 42 | 42 |
| Vin(Min), V | 3.5 | 3.5 | 3.5 | 3.5 |
| Vout(Max), V | 55 | 55 | 55 | 55 |
| Vout(Min), V | 0.8 | 0.8 | 0.8 | 0.8 |
Eco Plan
| LM5175PWPR | LM5175PWPT | LM5175RHFR | LM5175RHFT | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Application Notes
- Maintaining Output Voltage Regulation During Automotive Cold-Crank with LM5175 BPDF, 104 Kb, File published: May 26, 2015
- Designing the front-end DC/DC conversion stage to withstand automotive transientPDF, 336 Kb, File published: Jan 18, 2017
- Reduce buck-converter EMI and voltage stress by minimizing inductive parasiticsPDF, 926 Kb, File published: Jul 21, 2016
Model Line
Series: LM5175 (4)
Manufacturer's Classification
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Buck/Boost, Inverting or Split-Rail> Buck/Boost or Inverting Controller (External Switch)
