Texas Instruments
30 A synchronous SWIFT™ buck converter, 1.5–15 V input, 0.6–5.5 V output, D-CAP™ with Eco-mode™, 22-pin LSON-CLIP (DQP)
The Texas Instruments TPS53355DQPR is a high-efficiency step-down converter that integrates a 5 mΩ high-side and 2 mΩ low-side MOSFET pair to deliver up to 30 A continuous output current from a 1.5 V to 15 V conversion input (4.5 V to 25 V bias supply). Its D-CAP™ constant-on-time control gives fast load-transient response without external compensation, Eco-mode™ improves light-load efficiency, and switching frequency is selectable from 250 kHz to 1 MHz, with peak efficiency up to 96%. The output is adjustable from 0.6 V to 5.5 V, making it a common point-of-load choice for processor, ASIC, FPGA and memory rails on servers, storage, networking and telecom boards. It is supplied in a 6 mm × 5 mm 22-pin LSON-CLIP (DQP) PowerPAD™ package on tape and reel.
Key Specifications
Verify against the original datasheet before quoting.
| Input Voltage | 1.5 V to 15 V conversion; 4.5 V to 25 V bias (VDD) |
|---|---|
| Output Voltage | 0.6 V to 5.5 V adjustable |
| Output Current | Up to 30 A continuous |
| Integrated MOSFETs | 5 mΩ high-side / 2 mΩ low-side |
| Control Mode | D-CAP™ with Eco-mode™ |
| Switching Frequency | 250 kHz to 1 MHz, selectable |
| Package | LSON-CLIP-22 (DQP), 6 mm × 5 mm, PowerPAD™ |
| Operating Temperature | -40 °C to 125 °C |
Market Status — as of November 2026
Available on Request Factory lead time is currently around 26 weeks.
Quality & Traceability
Cerametronics is ISO 9001 certified and products are RoHS compliant, with counterfeit screening and full traceability on every shipment. A Certificate of Conformance is available on request. For allocation-sensitive or high-risk lots, independent third-party lab verification can be arranged — just flag it on your RFQ. Any lot that fails incoming inspection is quarantined and never shipped.
FAQ
What loads is TPS53355DQPR typically used for?
High-current point-of-load rails up to 30 A, such as processor, ASIC, FPGA and DDR memory supplies on server, storage, networking and telecom boards, where its integrated MOSFETs and D-CAP™ transient response save board space and compensation parts.
Does TPS53355 need external loop compensation?
No. D-CAP™ mode is a constant-on-time control scheme that TI designs to run without external compensation components; output capacitor selection still needs to follow the datasheet guidance.
Is TPS53355DQPR end-of-life?
No. TI lists TPS53355 as Active. Availability pressure comes from extended factory lead times, not from an EOL notice.
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