Texas Instruments TPS630250YFFR
- Part No.:
- TPS630250YFFR
- Manufacturer:
- Texas Instruments
- Package:
- 20-UFBGA, DSBGA
- Datasheet:
-
TPS630250YFFR.pdf
- Description:
- IC REG BUCK BOOST ADJ 20DSBGA
- Quantity:
- Payment:

- Shipping:

Inventory:905
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Product details
Overview
TPS630250YFFR from Texas Instruments is an adjustable-output, synchronous buck-boost DC/DC converter in a 20-pin DSBGA package. It delivers up to 2 A continuous output current with 95% peak efficiency in buck or boost mode, operates from 2.3 V to 5.5 V input, and features automatic seamless mode transition-ideal for single-cell Li-ion or Li-polymer battery-powered portable electronics requiring stable 3.3 V rail.
For engineers reviewing the TPS630250YFFR datasheet, TPS630250YFFR pinout, TPS630250YFFR application, or TPS630250YFFR equivalent, key selection criteria include its 2.5 MHz fixed-frequency PWM operation, 35 µA quiescent current in Power Save Mode, integrated soft-start, true shutdown with output discharge, and dual ground (PGND/GND) separation for noise-sensitive analog subsystems.
Technical Context
The TPS630250YFFR implements average current-mode control using four internal N-channel MOSFETs, enabling real-time buck-or-boost selection based on VIN vs. VOUT. Its control architecture ensures one switch remains on and one off during steady-state operation-eliminating simultaneous conduction losses and minimizing RMS current in both switches and inductor.
It integrates undervoltage lockout (1.7 V threshold, 180 mV hysteresis), thermal shutdown (140 °C, 20 °C hysteresis), short-circuit protection (4 A input current limit), and dynamic voltage positioning (+1.3% nominal VOUT in PFM mode) to maintain regulation during heavy load transients with minimal output capacitance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.3 V to 5.5 V - supports single-cell Li-ion (2.7–4.2 V), Li-polymer, or 3.3 V/5 V system rails without external pre-regulation. |
| Output Current | 2 A continuous - sustained at VOUT = 3.3 V with VIN ≥ 2.5 V, enabling direct powering of SoCs, displays, and RF modules. |
| Switching Frequency | 2.5 MHz typical - allows use of compact 1 µH inductors and ceramic capacitors, reducing solution footprint and EMI filtering burden. |
| Quiescent Current | 35 µA - enables >100-hour standby in always-on IoT sensors or wearables powered by 200 mAh batteries. |
| Feedback Reference | 0.8 V ±1% - sets output via external resistor divider (e.g., 560 kΩ/180 kΩ for 3.3 V), supporting flexible voltage scaling across designs. |
| Efficiency | Up to 95% - achieved in both buck and boost modes, minimizing thermal rise in space-constrained handheld enclosures. |
| Soft-Start Time | 450 µs (buck) / 700 µs (boost) - prevents inrush current into large output caps and avoids brownout during power-up sequencing. |
Pinout & Package
TPS630250YFFR uses a 1.766 mm × 2.086 mm, 20-pin DSBGA (YFF) package with 0.4 mm pitch. Thermal performance is optimized via bottom-side thermal pad connected to PGND.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN (E1–E3) | Power Input | High-current path for main supply (2.3–5.5 V); must be decoupled near package with low-ESR ceramic capacitor. |
| VINA (E4) | Analog Supply | Dedicated low-noise input for control circuitry; separates switching noise from feedback and oscillator references. |
| PGND (C1–C3) | Power Ground | Return path for high di/dt switch currents; requires solid copper pour and direct connection to VIN/CIN ground plane. |
| GND (C4) | Analog Ground | Reference for FB, EN, PFM/PWM, and internal error amplifier; must tie to PGND at single point near IC. |
| L1 (D1–D3) | Inductor Node (Buck) | Connects to one end of series inductor; carries high-frequency AC current during buck operation. |
| L2 (B1–B3) | Inductor Node (Boost) | Connects to other end of same inductor; carries high-frequency AC current during boost operation. |
| VOUT (A1–A3) | Regulated Output | Delivers stable output; connects directly to output capacitor bank and load; routed with low-inductance trace. |
| FB (A4) | Feedback Input | Senses output voltage via resistor divider; high-impedance node (10–100 nA bias) requiring clean routing away from noise sources. |
| EN (D4) | Enable Control | Active-high logic input; 1.2 V VIH minimum; must not float-pull down via 100 kΩ to GND if unused. |
| PFM/PWM (B4) | Mode Select | Forces PWM (high) or enables auto PFM/PWM transition (low); determines light-load efficiency vs. ripple trade-off. |
Key Features
| Feature | Design Value |
|---|---|
| Automatic Buck-Boost Transition | Seamlessly switches between topologies when VIN crosses VOUT-no output interruption or external mode control required. |
| True Shutdown with Discharge | Internal 120 Ω discharge FET activates on EN low, discharging 20 µF output cap from 3.3 V to UVLO in <10 ms. |
| Dual-Ground Architecture | Separate PGND (power return) and GND (analog reference) minimize switching noise coupling into feedback loop. |
| Dynamic Voltage Positioning | VOUT raised +1.3% in PFM mode to absorb transient droop-enables robust operation with only 22 µF total output capacitance. |
| Integrated Soft-Start | Monotonic current ramp limits inrush; eliminates output overshoot even with 47 µF output caps and 2 A loads. |
Applications
| Smartphone Baseband Power | Wearable Sensor Hub |
|---|---|
Use Scenario: Powers application processor I/O and memory interfaces from declining single-cell Li-ion battery (3.6 V → 2.8 V). IC Role / Device Role / Timing Role: Primary buck-boost regulator delivering stable 3.3 V rail with seamless VIN-crossing transition and <10 µs transient response. Use Value: Maintains full SoC functionality across entire battery discharge curve without voltage brownouts or manual mode switching. | Use Scenario: Supplies ultra-low-power MCU, BLE radio, and environmental sensors in compact wrist-worn form factor. IC Role / Device Role / Timing Role: System PMIC providing always-on 3.3 V rail with 35 µA IQ and automatic PFM entry below 350 mA load. Use Value: Extends battery life to >7 days in active monitoring mode while supporting fast wake-up from deep sleep. |
| Portable Medical Monitor | Industrial Handheld Terminal |
Use Scenario: Powers ECG front-end, display driver, and data logging circuitry in battery-operated clinical device. IC Role / Device Role / Timing Role: High-reliability power stage with over-temperature (140 °C) and over-current (4 A) protection plus true shutdown isolation. Use Value: Ensures safe, uninterrupted operation during critical patient measurements and prevents battery drain during storage. | Use Scenario: Regulates 3.3 V for barcode scanner engine, touchscreen controller, and Wi-Fi module in ruggedized field unit. IC Role / Device Role / Timing Role: Robust buck-boost converter handling wide input (2.5–5.5 V) from mixed sources: battery, USB, or 5 V adapter. Use Value: Eliminates need for separate buck and boost stages-reducing BOM count, PCB area, and qualification effort. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar buck-boost converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS630252YFFR | Fixed 3.3 V output; no external FB divider required; identical package, pinout, and efficiency. | Eliminates two resistors but sacrifices output adjustability; best for cost-sensitive, single-voltage designs. | Select when 3.3 V is fixed and board space/resistor count must be minimized. |
| MP2918GQ-Z | 2.5 A output; 2.2 MHz switching; 25 µA IQ; QFN-16 package; no integrated output discharge. | Higher current rating but lacks true shutdown with discharge and dynamic voltage positioning. | Choose for higher load headroom where output discharge and PFM transient optimization are non-critical. |
Compared with TPS630252YFFR, the TPS630250YFFR offers design flexibility through adjustable output voltage, while MP2918GQ-Z provides higher current capability in a different package-but neither replicates the combination of seamless mode transition, integrated discharge, and DSBGA footprint of the TPS630250YFFR.
Availability
TPS630250YFFR is available at Aetrix Electronics and suitable for smartphone baseband power, wearable sensor hubs, portable medical monitors, industrial handheld terminals, and battery-powered IoT edge nodes requiring stable component supply across long production lifecycles.
Supply support for TPS630250YFFR 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 ICs, with decades of expertise in high-efficiency DC/DC conversion.
The TPS63025x product line was designed specifically for space-constrained, battery-powered portable electronics needing wide-input, high-efficiency buck-boost regulation without external mode control or complex compensation.
FAQ
What is the maximum continuous output current supported by the TPS630250YFFR?
The TPS630250YFFR delivers up to 2 A continuous output current when VIN ≥ 2.5 V and VOUT = 3.3 V. This rating assumes proper thermal management using the DSBGA package's bottom thermal pad and recommended PCB layout per TI's SLVSBJ9B datasheet Section 12. Peak switch current is limited to 4 A average, enabling robust operation under transient loads without derating.
Does the TPS630250YFFR require external components to set the output voltage?
Yes-the TPS630250YFFR is the adjustable version of the family and requires an external resistor divider connected between VOUT, FB, and GND to set the output voltage. For example, a 560 kΩ (R1) and 180 kΩ (R2) divider yields 3.3 V. In contrast, fixed-output variants like TPS630252YFFR eliminate this requirement but offer no voltage flexibility.
How does the PFM/PWM pin affect the operation of the TPS630250YFFR?
The PFM/PWM pin on the TPS630250YFFR selects operating mode: pulled low enables automatic transition between PFM (for high light-load efficiency) and PWM (for low ripple), while pulled high forces continuous PWM mode regardless of load. Leaving it floating is prohibited-TI specifies a 100 kΩ pull-down resistor if unused to ensure predictable behavior.
What thermal protection features are built into the TPS630250YFFR?
The TPS630250YFFR includes thermal shutdown that activates at approximately 140 °C junction temperature, with 20 °C hysteresis to prevent oscillation. Once triggered, the device halts switching and disables all internal circuitry until temperature falls below 120 °C. This protects both the IC and downstream circuitry during sustained overload or poor heatsinking conditions.
Can the TPS630250YFFR safely power loads during battery voltage sag below 2.5 V?
Yes-the TPS630250YFFR maintains regulation down to VIN = 2.3 V, making it suitable for Li-ion batteries discharging to end-of-life (~2.5 V). However, output current capability decreases below VIN = 2.5 V due to reduced headroom; at VIN = 2.3 V, maximum continuous output drops to ~1.2 A at 3.3 V. The device also features UVLO (1.7 V threshold) to prevent erratic operation during deep discharge.
TPS630250YFFR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 20-UFBGA, DSBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Up/Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck-Boost
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.3V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 2.3V
- Voltage - Output (Max):
- 3.6V
- Current - Output:
- 2A, 4A
- Frequency - Switching:
- 2.5MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-DSBGA
TPS630250YFFR FAQ
1.How can I place an order for TPS630250YFFR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS630250YFFR 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 TPS630250YFFR reliable?
The price and inventory of TPS630250YFFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS630250YFFR is usually 5 days.
3.What payment methods are accepted for TPS630250YFFR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS630250YFFR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS630250YFFR?
TPS630250YFFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS630250YFFR 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 TPS630250YFFR?
For technical support, including TPS630250YFFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS630250YFFR requirements.
6.How does Aetrix verify that TPS630250YFFR is sourced from the original manufacturer or authorized distributors?
All TPS630250YFFR 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 TPS630250YFFR meets industry standards.
7.What is the process for return or replacement of TPS630250YFFR?
All TPS630250YFFR units undergo pre-shipment inspection (PSI). If there is an issue with TPS630250YFFR, 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 TPS630250YFFR part is unused and in its original packaging.
Return procedure for TPS630250YFFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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