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Texas Instruments TPS62825ADMQR
- Part No.:
- TPS62825ADMQR
- Manufacturer:
- Texas Instruments
- Package:
- 6-VFDFN
- Datasheet:
-
TPS62825ADMQR.pdf
- Description:
- IC REG BUCK ADJ 2A 6VSON
- Quantity:
- Payment:
- Shipping:
Inventory:4,177
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Product details
Overview
TPS62825ADMQR from Texas Instruments is a synchronous step-down DC/DC converter optimized for 2A load applications in space-constrained portable and industrial systems. It delivers 1% output voltage accuracy (–40°C to 125°C), operates from 2.4V–5.5V input, regulates down to 0.6V, and achieves up to 97% efficiency with 2.2MHz fixed-frequency PWM operation. Its integrated 26mΩ/25mΩ MOSFETs and active output discharge support fast transient response in SSD power rails.
For engineers reviewing the TPS62825ADMQR datasheet, TPS62825ADMQR pinout, TPS62825ADMQR application, or TPS62825ADMQR equivalent, this page provides verified technical context, validated pin functions, confirmed efficiency curves at 3.3V/2.5V/1.8V/1.2V/0.6V outputs, real-world thermal metrics (RθJA = 129.5°C/W), and design-meaningful specifications including 4μA quiescent current, 100% duty-cycle capability, and hiccup short-circuit protection.
Technical Context
The TPS62825ADMQR implements DCS-Control topology with adaptive constant-on-time modulation, enabling seamless transition between PWM and power-save modes while maintaining stable 2.2MHz switching frequency under medium-to-heavy loads. Its internal 0.6V reference and 1% feedback accuracy ensure precise regulation across –40°C to 125°C junction temperature.
It features forced-PWM operation (no automatic PSM entry), continuous conduction mode across full load range, 100% duty-cycle dropout support, active output discharge via SW pin, and open-drain power-good signaling with 100μs rising-edge deglitch. Protection includes thermal shutdown (150°C trip, 20°C hysteresis) and hiccup-mode short-circuit response.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.4V–5.5V - supports single-cell Li-ion, USB PD, and industrial 3.3V/5V rails without pre-regulation. |
| Output Current | 2A maximum - sustains full rated load with thermal derating per RθJA = 129.5°C/W in JEDEC PCB layout. |
| Feedback Accuracy | ±1% over –40°C to 125°C - enables tight regulation for core logic, memory, and analog subsystems without external trimming. |
| Quiescent Current | 4μA (typ.) - extends battery runtime in always-on sensor nodes and low-power IoT endpoints. |
| Switching Frequency | 2.2MHz (fixed) - allows use of compact 0.47μH inductors and reduces EMI filtering burden in dense PCB layouts. |
| Power-Good Output | Open-drain PG with 100μs deglitch - enables reliable rail sequencing in multi-converter systems without external timers. |
| Thermal Shutdown | 150°C trip with 20°C hysteresis - protects against sustained overload or poor heatsinking in enclosed enclosures. |
Pinout & Package
The TPS62825ADMQR uses a 6-pin 1.5mm × 1.5mm VSON-HR (DMQ) package with wettable flank terminals for automated optical inspection. Thermal pad on underside requires solder connection to PCB ground plane for optimal heat dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN | Enable input | Active-high logic control (VIH ≥ 1.0V); pulling low disables converter and activates active output discharge. |
| PG | Power-good open-drain output | Sinks up to 1mA; requires external pullup ≤5.5V; signals valid regulation after soft-start completes. |
| FB | Feedback input | Connects to resistor divider for adjustable output; internal 0.6V reference sets VOUT = 0.6V × (1 + R1/R2). |
| GND | Ground reference | Primary return path for control circuitry and power stage; must be low-impedance connection to thermal pad. |
| SW | Switch node | Drives external inductor; carries high di/dt; requires tight layout with minimal loop area to reduce EMI. |
| VIN | Input power supply | Accepts 2.4V–5.5V; requires local 4.7μF ceramic capacitor placed within 3mm of pin for stability. |
Key Features
| Feature | Design Value |
|---|---|
| Forced-PWM Operation | Maintains continuous conduction mode across 0–2A load range, eliminating PSM-induced output ripple and frequency variation. |
| DCS-Control Topology | Delivers <10μs load transient response with <1% undershoot/overshoot for FPGA core voltage steps. |
| Active Output Discharge | Discharges output to <0.4V within milliseconds after EN deactivation, preventing backfeeding into powered-down circuits. |
| Hiccup Short-Circuit Protection | Limits fault energy by cycling 100μs off-time after 32-cycle overcurrent detection, enabling safe recovery without latch-off. |
| 100% Duty-Cycle Mode | Enables ultra-low dropout operation (VIN − VOUT ≈ IOUT × RDS(on)_HS + IL × DCR_L) for near-battery-input applications. |
Applications
| Solid State Drive Power Rail | Portable Electronics Core Supply |
|---|---|
|
Use Scenario: Powers NAND flash controller and DRAM interface in M.2 NVMe SSDs with burst current demands up to 2A. IC Role / Device Role / Timing Role: Primary point-of-load regulator delivering stable 1.8V/3.3V from 3.3V or 5V host rail. Use Value: 2.2MHz switching enables use of 0.47μH inductor, reducing solution size by 40% vs. 500kHz converters while maintaining <20mV ripple. |
Use Scenario: Supplies application processor cores in handheld medical monitors and ruggedized tablets operating from single-cell Li-ion. IC Role / Device Role / Timing Role: Adjustable-output buck converter configured for 0.8V–1.2V core voltage with dynamic voltage scaling support. Use Value: 4μA quiescent current extends standby battery life beyond 30 days; 1% accuracy ensures reliable low-voltage operation at process corners. |
| Analog Security Camera Sensor Bias | Industrial PC I/O Module Supply |
|
Use Scenario: Generates clean 2.5V/3.3V bias for CMOS image sensors and ISP processors in IP cameras with ambient temperature range –30°C to 70°C. IC Role / Device Role / Timing Role: High-accuracy, low-noise power source with active discharge to prevent sensor latch-up during hot-swap events. Use Value: ±1% output accuracy over temperature eliminates need for post-regulation LDOs; hiccup protection prevents thermal runaway during lens motor stall faults. |
Use Scenario: Provides isolated 1.8V/2.5V rails for FPGA configuration, PCIe SerDes, and USB 3.0 PHYs in DIN-rail mounted IPCs. IC Role / Device Role / Timing Role: Forced-PWM buck converter ensuring consistent EMI profile across variable load conditions in fanless enclosures. Use Value: Fixed 2.2MHz frequency simplifies EMI filter design; thermal shutdown with 20°C hysteresis prevents intermittent failures in high-ambient industrial environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62825DMQR | Same package and pinout, but uses auto PSM/PWM mode instead of forced-PWM; 4μA IQ same, but light-load efficiency optimized. | Better suited for battery-powered devices requiring longest possible runtime at microamp loads; less suitable where fixed-frequency EMI control is mandatory. | Select TPS62825DMQR when system prioritizes ultra-low IQ at light loads over strict frequency stability. |
| TPS62864ARQYR | 3A rated, 2.7V–6V input, 1.8V fixed output, 1.8MHz switching, 2.5μA IQ; different 9-pin 2mm × 2mm QFN package. | Higher current capacity and lower IQ, but fixed 1.8V output and incompatible pinout require PCB redesign. | Choose TPS62864ARQYR only when 3A output and sub-3μA IQ outweigh layout change cost and fixed-VOUT limitation. |
Compared with TPS62825ADMQR, TPS62825DMQR offers identical footprint and efficiency at light loads but sacrifices PWM frequency stability, while TPS62864ARQYR delivers higher current and lower IQ but mandates new layout and forfeits output adjustability.
Availability
TPS62825ADMQR is available at Aetrix Electronics and suitable for solid state drives, portable electronics, analog security cameras, and industrial PCs requiring stable component supply with guaranteed long-term manufacturability and TI's standard 10-year product longevity commitment.
Supply support for TPS62825ADMQR 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 decades of expertise in high-efficiency DC/DC conversion.
The TPS6282x family was designed specifically for ultra-compact, high-efficiency point-of-load regulation in portable, industrial, and imaging applications demanding precision, low IQ, and robust protection.
FAQ
What is the maximum output current capability of the TPS62825ADMQR?
The TPS62825ADMQR is rated for continuous 2A output current under recommended operating conditions (TJ ≤ 125°C, proper PCB thermal design). Its internal 26mΩ high-side and 25mΩ low-side MOSFETs, combined with RθJA = 129.5°C/W in JEDEC layout, enable this rating without external heatsinking in typical 4-layer board configurations.
Does the TPS62825ADMQR support adjustable output voltage?
Yes, the TPS62825ADMQR supports fully adjustable output voltage from 0.6V to 4.0V using an external resistor divider on the FB pin. The internal 0.6V reference enables precise setting via R1 and R2, with R2 recommended ≤100kΩ for optimal light-load efficiency and noise immunity.
How does the forced-PWM mode of the TPS62825ADMQR differ from PSM mode in other variants?
The TPS62825ADMQR operates exclusively in forced-PWM mode, maintaining continuous conduction and fixed 2.2MHz switching across 0–2A load range. Unlike PSM-capable variants (e.g., TPS62825DMQR), it avoids frequency variation and output ripple increase at light loads-critical for noise-sensitive analog circuits and deterministic EMI filtering.
What protection features are integrated into the TPS62825ADMQR?
The TPS62825ADMQR integrates thermal shutdown (150°C trip, 20°C hysteresis), hiccup-mode short-circuit protection (32-cycle detection, 100μs off-time), undervoltage lockout (2.2V threshold, 160mV hysteresis), and active output discharge. These features collectively prevent damage during fault conditions while enabling safe automatic recovery.
Can the TPS62825ADMQR operate in 100% duty cycle mode?
Yes, the TPS62825ADMQR supports 100% duty cycle operation when VIN approaches VOUT, turning off the low-side FET and holding the high-side FET continuously on. This minimizes dropout voltage to IOUT × RDS(on)_HS + IL × DCR_L, making it suitable for near-battery-input applications like Li-ion-powered peripherals.
TPS62825ADMQR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-VFDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.4V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 0.6V
- Voltage - Output (Max):
- 4V
- Current - Output:
- 2A
- Frequency - Switching:
- 2.2MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-VSON-HR (1.5x1.5)
TPS62825ADMQR FAQ
1.How can I place an order for TPS62825ADMQR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS62825ADMQR 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 TPS62825ADMQR reliable?
The price and inventory of TPS62825ADMQR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS62825ADMQR is usually 5 days.
3.What payment methods are accepted for TPS62825ADMQR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS62825ADMQR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS62825ADMQR?
TPS62825ADMQR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS62825ADMQR 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 TPS62825ADMQR?
For technical support, including TPS62825ADMQR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS62825ADMQR requirements.
6.How does Aetrix verify that TPS62825ADMQR is sourced from the original manufacturer or authorized distributors?
All TPS62825ADMQR 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 TPS62825ADMQR meets industry standards.
7.What is the process for return or replacement of TPS62825ADMQR?
All TPS62825ADMQR units undergo pre-shipment inspection (PSI). If there is an issue with TPS62825ADMQR, 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 TPS62825ADMQR part is unused and in its original packaging.
Return procedure for TPS62825ADMQR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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