Calculation tool
TPS542A52
4-V to 18-V input, voltage mode, 15-A synchronous SWIFT™ step-down converter with remote sense
Data sheet
TPS542A52
- Integrated 9.1-mΩ and 2.6-mΩ MOSFETs support up to 15-A output current
- 0.5-V to 5.5-V output voltage range
- Fixed-frequency voltage control mode with selectable internal compensation
- Seven selectable frequency settings from 400 kHz to 2.2 MHz
- Synchronizes to an external clock
- Fully differential remote sense
- Six selectable over-current limits, four soft-start slew rates
- Monotonic start-up into pre-biased outputs
- EN pin allowing for adjustable input UVLO
- Power good indicator
- 17-µA typical shutdown quiescent current draw
- Selectable FCCM or PFM for light load efficiency
- –40 to +150°C operating junction temperature
- 4-mm × 4.5-mm VQFN package
- Create a custom design using the TPS542A52 with the WEBENCH Power Designer
The TPS542A52 is a high-efficiency synchronous buck converter with differential remote sense. This device features fixed-frequency, voltage-control mode with pinstrap selectable internal compensation for reduced system cost and complexity. The PWM can be synchronized to an external clock through the SYNC pin. Other key features include PFM for high light load efficiency, low shutdown quiescent current draw, adjustable UVLO through the EN pin and monotonic start up into pre-biased conditions. The TPS542A52 is a lead-free device. It is fully RoHS compliant without exemption.
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Technical documentation
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View all 2 | Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS542A52 4-V to 18-V Input, 15-A, Synchronous Buck Converter With Differential Remote Sense datasheet (Rev. C) | PDF | HTML | 17 Dec 2021 |
| EVM User's guide | TPS542A52 SWIFT™ Step-Down Converter Evaluation Module User's Guide (Rev. A) | PDF | HTML | 07 May 2021 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Evaluation board
TPS542A52EVM — 4-V to 18-V, 15-A synchronous SWIFT™ step-down converter with remote sense evaluation module
The TPS542A52EVM-059 evaluation module (EVM) allows users to evaluate the TPS542A52. The TPS542A52 is a fixed frequency with non-compensation external synchronous buck converter with integrated MOSFETs. It provides a fixed 1-V output at up to 15 A from a 12-V input bus.
Simulation model
TPS542A52 SIMPLIS Transient and Average Model
SNVMC20.ZIP (1472 KB) - SIMPLIS Model
| Package | Pins | Download |
|---|---|---|
| VQFN-HR (RJM) | 33 | View options |
Ordering & quality
Information included:
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- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
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- Qualification summary
- Ongoing reliability monitoring
Information included:
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Support & training
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