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Texas Instruments TPS544B25 | Demoboard TPS544B25EVM-681
TPS544B25EVM-681 and TPS544C25EVM-681, Single- Output DC-to-DC Converters with PMBus Interface
Overview
| Topology | Other Topology |
| IC revision | B |
Description
The PWR681EVM is designed as a single output DC-DC converter that demonstrates either theTPS544B25 or the TPS544C25 in a typical low-voltage application while providing a number of test pointsto evaluate the performance. It uses a nominal 12-V input bus to produce a regulated 0.95-V output at upto either 20-A or 30-A of load current, depending on the device installed.
Features
Regulated 0.95-V output up to 30-ADC, steady-state output current
- Configuarable features via the PMBus interface include:– Programmable Output Voltage via the PMBus Interface– Programmable UVLO, Soft Start, and Enable via the PMBus Interface– Programmable Overcurrent Warning, Fault Limits and Programmable Response to Faults via thePMBus Interface– Programmable Overvoltage, Undervoltage Warning, Fault Limit and Programmable Response toFaults via the PMBus Interface– Programmable external Overtemperature Warning, Fault Limit and Programmable Response toFaults via the PMBus Interface
- Convenient Test Points for Probing Critical Waveforms
- Optional External Temperature Sensor
Typical applications
- Communications Equipment
- Servers and Computing Equipment
- High-Density Power Solutions,Smart Power Systems
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | W (mm) | Fl (mm) | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Pitch (mm) | Mount | L (mm) | Working Voltage (V (AC)) | Contact Resistance (mΩ) | Tol. R | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012109014 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | 22 µF | ±20% | 25 | 1210 | -55 °C up to +85 °C | 10 | 0.005 GΩ | X5R Class II | 2.5 | 0.6 | – | – | 2.5 | – | – | – | 7" Tape & Reel | – | – | 3.2 | – | – | – | ||
| 885012109004 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 6.3 V(DC) | 100 µF | ±20% | 6.3 | 1210 | -55 °C up to +85 °C | 10 | 0.001 GΩ | X5R Class II | 2.5 | 0.6 | – | – | 2.5 | – | – | – | 7" Tape & Reel | – | – | 3.2 | – | – | – | ||
 | 61201021621 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-BHD 2.54 mm Male Box Header | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | – | – | 10 | – | – | Male | Straight | 3 | Tray | 2.54 | THT | 20.36 | 250 | 20 | max. | |
 | 61300211121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | -40 °C up to +105 °C | – | 1000 MΩ | – | – | – | 2 | Single | – | Pin Header | Straight | 3 | Bag | 2.54 | THT | 5.08 | 250 | 20 | max. |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012109014 | SPEC | |
| 885012109004 | SPEC | |
| 61201021621 | SPEC | – |
| 61300211121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | W (mm) | Fl (mm) | Pins (Value) (pcs) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Pitch (mm) | Mount | L (mm) | Working Voltage (V (AC)) | Contact Resistance (mΩ) | Tol. R | Samples |
|---|