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Texas Instruments TPS6287B25VA0WRZVR
- Part No.:
- TPS6287B25VA0WRZVR
- Manufacturer:
- Texas Instruments
- Package:
- 24-PowerWFQFN
- Datasheet:
-
TPS6287B25VA0WRZVR.pdf
- Description:
- IC REG BUCK PROG 25A 24WQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,172
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Product details
Overview
TPS6287B25VA0WRZVR from Texas Instruments is a 25A synchronous step-down DC/DC converter with I²C interface, differential remote sense, and fast transient response. It operates from 2.7V to 6V input, delivers output voltage from 0.4V to 1.675V with ±0.8% DC accuracy, and integrates 2.6mΩ/1.5mΩ power MOSFETs for high-efficiency core supply in FPGA and ASIC applications.
For engineers reviewing the TPS6287B25VA0WRZVR datasheet, TPS6287B25VA0WRZVR pinout, TPS6287B25VA0WRZVR application, or TPS6287B25VA0WRZVR equivalent, key selection considerations include its 25A rated current, resistor- or I²C-selectable startup voltage, forced-PWM/power-save mode operation, and support for stacked configurations to scale output current or thermal distribution.
Technical Context
The TPS6287B25VA0WRZVR implements a fixed-frequency DCS-Control architecture optimized for sub-1µs load transient response while maintaining stable regulation across wide VIN–VOUT differentials. Its dual-loop control supports both droop compensation (±3mV accuracy for 25A variant) and differential remote sensing to maintain ±0.8% output accuracy at point-of-load under dynamic current steps up to 25A.
It features an I²C-compatible interface operating up to 3.4MHz (high-speed mode), enabling real-time voltage adjustment, temperature monitoring, and power-good windowing. The device supports stacked operation via SYNC_OUT/MODE/SYNC daisy-chaining and includes thermal pre-warning (150°C) and shutdown (170°C) with 20°C hysteresis.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 25A continuous - supports high-power digital core rails without external current sharing circuitry. |
| Input Voltage Range | 2.7V to 6V - compatible with 3.3V, 5V, and intermediate intermediate bus architectures. |
| Output Voltage Range | 0.4V to 1.675V with 5mV steps - covers DDR, GPU, and multi-core SoC VDD requirements. |
| Output Accuracy | ±0.8% DC - ensures tight regulation for low-voltage, high-current logic supplies. |
| Power MOSFET RDS(on) | 2.6mΩ (HS) / 1.5mΩ (LS) - enables >90% efficiency at 25A with minimal thermal rise. |
| I²C Interface Speed | Up to 3.4MHz (high-speed mode) - allows rapid voltage scaling during DVFS transitions. |
| Thermal Warning Threshold | 150°C junction - triggers early system throttling before thermal shutdown at 170°C. |
| Switching Frequency | 1.5MHz nominal - balances EMI, inductor size, and transient response for compact PCB layouts. |
Pinout & Package
RZV package: 24-pin WQFN-FCRLF (3.05mm × 4.05mm), exposed thermal pad soldered to GND for optimal thermal performance (RθJB = 6.5°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN (Pins 5,6,15,16) | Power input | Four dedicated input pins reduce IR drop and enable parallel capacitor placement near switching node. |
| SW (Pins 9,10,11,12) | Switch node | Four SW pins distribute high di/dt current and minimize parasitic inductance in high-frequency operation. |
| GND (Pins 7,8,13,14) | Ground return | Multiple ground pins provide low-impedance return paths for power and signal domains. |
| VOSNS / GOSNS | Differential output sense | Separate high-side and low-side sense inputs enable accurate remote voltage regulation at load. |
| EN | Enable control | Logic-level input with internal pulldown; requires ≥15kΩ series resistor to prevent floating. |
| MODE/SYNC | Operating mode select | Pull-low for Power-Save mode; pull-high for Forced-PWM; also accepts external sync clock. |
| VSET1 / VSET2 | Startup voltage programming | Resistor-divider or direct tie to GND/VIN sets initial output voltage (0.4V–1.55V range). |
| SDA / SCL | I²C bidirectional interface | Supports high-speed mode (3.4MHz); requires external pullups; tied to GND for secondary devices in stack. |
| PG | Power-good indicator | Open-drain output with window comparator; active-high when VOUT within ±4% of target. |
| COMP | Loop compensation | External RC network sets bandwidth and phase margin; shared across stacked devices. |
Key Features
| Feature | Design Value |
|---|---|
| Differential remote sensing | Compensates for PCB trace IR drop to maintain ±0.8% regulation accuracy at point-of-load. |
| Stacked operation support | SYNC_OUT/MODE/SYNC daisy-chain enables up to 3× TPS6287B25VA0WRZVR for 75A total with synchronized switching. |
| Adjustable soft-start | Four programmable ramp times (0.35–2.6ms) prevent inrush current and stabilize startup sequencing. |
| Droop compensation | ±3mV accuracy for TPS6287B25 - enables precise current-sharing in stacked configurations. |
| Thermal pre-warning | 150°C alert threshold - provides early warning before thermal shutdown at 170°C, enabling proactive system management. |
| Output discharge | Internal 2.7–9.2Ω discharge path - safely bleeds residual charge from output capacitors during shutdown. |
Applications
| FPGA Core Supply | ASIC Digital Rail |
|---|---|
|
Use Scenario: Powers 16nm/7nm FPGA fabric requiring fast load transients up to 20A/µs and tight voltage tolerance. IC Role / Device Role / Timing Role: Primary core regulator with DCS-Control loop and differential remote sense for point-of-load accuracy. Use Value: Maintains ±0.8% output accuracy under 25A dynamic load steps, reducing need for bulk capacitance and improving power integrity. |
Use Scenario: Supplies multi-core AI accelerator SoC with DVFS-driven voltage scaling between 0.65V and 0.85V. IC Role / Device Role / Timing Role: I²C-programmable buck converter enabling real-time voltage adjustment during performance state transitions. Use Value: 3.4MHz I²C interface allows sub-10µs voltage updates, supporting aggressive DVFS timing budgets. |
| Optical Network Line Card | Enterprise SSD Controller Rail |
|
Use Scenario: Delivers stable 1.2V/25A to SerDes PHY and DSP on high-density optical line cards with strict thermal limits. IC Role / Device Role / Timing Role: Stacked configuration of two TPS6287B25VA0WRZVR units for 50A output with thermal spreading. Use Value: RθJB = 6.5°C/W and exposed thermal pad enable operation at 85°C ambient without derating. |
Use Scenario: Powers NVMe controller and DRAM cache in enterprise SSDs where power loss must trigger controlled shutdown. IC Role / Device Role / Timing Role: Regulator with PG window comparator and thermal warning for coordinated firmware-initiated safe shutdown. Use Value: Power-good window (±4%) and thermal pre-warning (150°C) provide deterministic fault signaling to host controller. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-current synchronous buck converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS6287B25JE2WRZVR | Includes FSET pin for 1.5/2.25/2.5/3MHz frequency selection; no VSET3/VSET4 pins. | Targeted for Jacinto platform integration with specific I²C address mapping and SSC default enabled. | Select when frequency flexibility beyond 1.5MHz or Jacinto-specific startup settings are required. |
| TPS6287B25LA0WRZVR | Same 25A rating and RZV package; startup voltage range limited to 0.4–0.775V (25mV steps) or 0.8–1.55V (50mV steps). | Optimized for lower-VDD applications like LPDDR5 I/O or auxiliary rails where full 0.4–1.675V range is unnecessary. | Select when startup voltage granularity or range aligns more closely with system requirements than TPS6287B25VA0WRZVR. |
Compared with TPS6287B25JE2WRZVR and TPS6287B25LA0WRZVR, the TPS6287B25VA0WRZVR offers the broadest resistor-selectable startup voltage range (0.4V–1.675V) and retains VSET3/VSET4 for binary-coded startup selection-making it optimal for general-purpose high-current core rails requiring maximum configuration flexibility.
Availability
TPS6287B25VA0WRZVR is available at Aetrix Electronics and suitable for FPGA core supply, ASIC digital rail, and optical network line card applications requiring stable component supply, long-term production continuity, and full technical support.
Supply support for TPS6287B25VA0WRZVR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and power management technologies with over 50 years of innovation in high-reliability power conversion.
The TPS6287Bxx family was designed specifically for high-current, fast-transient digital core supplies in advanced FPGA, ASIC, and AI accelerator systems-emphasizing precision regulation, thermal resilience, and digital configurability.
FAQ
What is the maximum supported output current for the TPS6287B25VA0WRZVR?
The TPS6287B25VA0WRZVR is rated for 25A continuous output current under recommended operating conditions (TJ ≤ 125°C, proper layout, and thermal management). Its integrated 2.6mΩ/1.5mΩ MOSFETs and RθJB = 6.5°C/W thermal design enable sustained 25A operation at 85°C ambient without derating, as verified in TI's production characterization data.
Does the TPS6287B25VA0WRZVR support remote voltage sensing?
Yes, the TPS6287B25VA0WRZVR supports true differential remote sensing using dedicated VOSNS and GOSNS pins. This feature compensates for PCB trace resistance between the converter and load, maintaining ±0.8% output voltage accuracy at the point-of-load-even under full 25A load current and dynamic transients.
How is the startup output voltage configured on the TPS6287B25VA0WRZVR?
The TPS6287B25VA0WRZVR supports resistor-based startup voltage selection via VSET1 and VSET2 pins, covering 0.4V–1.675V in 5mV steps. It also supports binary-coded startup using VSET3/VSET4 pins for discrete voltage options. I²C programming is available post-startup but does not affect initial turn-on voltage.
Can multiple TPS6287B25VA0WRZVR devices be operated in parallel?
Yes, the TPS6287B25VA0WRZVR supports stacked operation via SYNC_OUT and MODE/SYNC pins. Up to three devices can be daisy-chained for up to 75A total output with synchronized switching, shared COMP network, and droop-compensated current sharing-enabling scalable power delivery without external controllers.
What thermal protection features does the TPS6287B25VA0WRZVR include?
The TPS6287B25VA0WRZVR includes thermal pre-warning at 150°C and thermal shutdown at 170°C, both with 20°C hysteresis. These thresholds are measured at the die junction and reported via I²C registers. The open-drain PG pin also deasserts during thermal fault conditions, providing hardware-level system coordination.
TPS6287B25VA0WRZVR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- TPS6287Bxx
- Package/Case:
- 24-PowerWFQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Programmable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.7V
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 0.4V
- Voltage - Output (Max):
- 1.675V
- Current - Output:
- 25A
- Frequency - Switching:
- 1.5MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 24-WQFN-FCRLF (4.05x3.05)
TPS6287B25VA0WRZVR FAQ
1.How can I place an order for TPS6287B25VA0WRZVR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS6287B25VA0WRZVR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS6287B25VA0WRZVR reliable?
The price and inventory of TPS6287B25VA0WRZVR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS6287B25VA0WRZVR is usually 5 days.
3.What payment methods are accepted for TPS6287B25VA0WRZVR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS6287B25VA0WRZVR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS6287B25VA0WRZVR?
TPS6287B25VA0WRZVR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS6287B25VA0WRZVR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS6287B25VA0WRZVR?
For technical support, including TPS6287B25VA0WRZVR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS6287B25VA0WRZVR requirements.
6.How does Aetrix verify that TPS6287B25VA0WRZVR is sourced from the original manufacturer or authorized distributors?
All TPS6287B25VA0WRZVR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS6287B25VA0WRZVR meets industry standards.
7.What is the process for return or replacement of TPS6287B25VA0WRZVR?
All TPS6287B25VA0WRZVR units undergo pre-shipment inspection (PSI). If there is an issue with TPS6287B25VA0WRZVR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS6287B25VA0WRZVR part is unused and in its original packaging.
Return procedure for TPS6287B25VA0WRZVR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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