Calculation tool
TPS548C26-CALC — Excel design calculator tool and schematic checklist
Excel design calculator and schematic checklist tool for TPS548C26 DC/DC converter
Data sheet
TPS548C26
- Integrated 4.0-mΩ and 1.0-mΩ MOSFETs for 35-A continuous current operation
- Supports external 5-V bias improving efficiency and enabling 2.7-V minimum input voltage
- 0.8-V to 5.5-V output voltage range
- Precision voltage reference and differential remote sense for high output accuracy
- ±0.5% VOUT tolerance from 0°C to 85°C TJ
- ±1% VOUT tolerance from –40°C to 125°C TJ
- D-CAP+™ control topology with fast transient response, supporting all ceramic output capacitors
- Selectable internal loop compensation through SS pin
- Selectable cycle-by-cycle valley current limit
- Selectable operation frequency 0.6 MHz to 1.2 MHz with DCM or FCCM operation
- Safe start-up into pre-biased outputs
- Programmable soft-start time from 1 ms to 8 ms
- Open-drain power-good output (PG)
- Overcurrent, overvoltage, undervoltage, overtemperature protections with selectable hiccup or latch-off response
- 5-mm × 6-mm, 37-pin WQFN-FCRLF package
- TPS544C26 SVID/I2C converter in the same package available
The TPS548C26 device is a highly integrated buck converter with D-CAP+ control topology for the fast transient response. Because external compensation is not required, the device is easy to use and requires few external components. The device is well-suited for space-constrained data center applications.
The TPS548C26 device has true differential remote sense, high-performance integrated MOSFETs, and an accurate ±1%, 0.8-V reference over the full operating junction temperature range. The device features fast load-transient response, accurate load regulation and line regulation, skip-mode or FCCM operation, and programmable soft-start time. Overcurrent, overvoltage, undervoltage, overtemperature protections are provided with selectable hiccup or latch-off response.
The TPS548C26 device is a lead-free device and is RoHS compliant without exemption.
Technical documentation
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View all 4 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS548C26 4-V to 16-V Input, 35-A Synchronous Buck Converter with Differential Remote Sense datasheet | PDF | HTML | 02 Mar 2023 |
| Application note | Point-of-Load Designs in Data Center Apps for Intel Xeon Sapphire Rapids Scalabl (Rev. B) | PDF | HTML | 29 Aug 2023 | |
| EVM User's guide | TPS548C26EVM 4-V to 16-V, 35-A Step-Down Converter Evaluation Module | PDF | HTML | 30 Nov 2022 | |
| Certificate | TPS548C26EVM EU RoHS Declaration of Conformity (DoC) | 01 Nov 2022 |
Design & development
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Evaluation board
TPS548C26EVM — TPS548C26 evaluation module for 4-V to 16-V, 35-A synchronous D-CAP+™ buck converter
The TPS548C26 evaluation module (EVM) accepts an 8 V to 16 V input and can deliver an output current up to 35 A. The converter uses D-CAP+™ control scheme for fast transient response, using less output capacitance to save board space. The high-side and low-side MOSFETs are incorporated inside the (...)
| Package | Pins | Download |
|---|---|---|
| WQFN-FCRLF (RXX) | 37 | View options |
Ordering & quality
Information included:
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- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Information included:
- Fab location
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