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Texas Instruments TPS61258YFFR
- Part No.:
- TPS61258YFFR
- Manufacturer:
- Texas Instruments
- Package:
- 9-UFBGA, DSBGA
- Datasheet:
-
TPS61258YFFR.pdf
- Description:
- IC REG BOOST 4.5V 3.9A 9DSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,875
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Product details
Overview
TPS61258YFFR from Texas Instruments is a 3.5-MHz synchronous step-up DC-DC converter in a 9-pin NanoFree™ DSBGA package, delivering up to 1500 mA peak output current at 4.5 V with input as low as 2.65 V. It features ±2% DC output voltage accuracy, 93% peak efficiency, and supports true load disconnect during shutdown. It is designed for compact battery-powered systems such as smartphone USB charging ports and audio power amplifiers.
For engineers reviewing the TPS61258YFFR datasheet, TPS61258YFFR pinout, TPS61258YFFR application, or TPS61258YFFR equivalent, key selection criteria include its 4.5-V fixed output, 2.65–4.35-V input range, standby quiescent current of 21 µA, peak current limit of 3.62 A, and compatibility with ultra-small 1-µH inductors and <25 mm² total solution size.
Technical Context
The TPS61258YFFR employs valley-current-mode quasi-constant-on-time PWM control for stable regulation across line and load variations, switching at a regulated 3.5 MHz to enable use of miniature ceramic inductors. Its dual-mode operation-PWM under moderate-to-heavy loads and PFM under light loads-maintains high efficiency from 0.1 mA to 1500 mA.
It integrates high-side (170 mΩ) and low-side (100 mΩ) MOSFETs, supports VIN ≥ VOUT operation, and offers two functional states via the BP pin: true shutdown (BP = GND) or standby mode with pre-biased output and 150 mA current-limited sourcing (BP = VIN), reducing quiescent current to 21 µA.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 4.5 V ±2% DC accuracy ensures stable bias for USB 5V-compliant peripherals when used with external LDO or direct supply. |
| Input Voltage Range | 2.65 V to 4.35 V supports Li-ion batteries down to near depletion while maintaining full 1500 mA peak capability at VIN ≥ 3.3 V. |
| Peak Output Current | 1500 mA (pulsed, ≤20 ms, 10% duty cycle) enables short-duration high-power bursts for audio amplifier peak loads. |
| Switching Frequency | 3.5 MHz fixed frequency allows use of 1-µH chip inductors and minimizes EMI filtering area in space-constrained layouts. |
| Quiescent Current | 21 µA in standby mode (EN = GND, BP = VIN) extends battery life in always-on audio bias applications. |
| Efficiency | 93% peak efficiency at 3.5 MHz reduces thermal load and enables >800 mA continuous output from a 2.65-V input. |
| Shutdown Current | <0.85 µA (typ) eliminates battery drain during system sleep, critical for portable devices with long idle periods. |
Pinout & Package
TPS61258YFFR uses a 9-pin DSBGA (NanoFree™) package measuring 1.206 mm × 1.306 mm, optimized for ultra-dense portable PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SW | Switch node | Connects to internal high-side/low-side MOSFET drains; requires low-ESR ceramic capacitor and tight layout to minimize switching losses. |
| VIN | Input power supply | Accepts 2.65–4.35 V; must be decoupled with ≥3.5 µF X5R ceramic capacitor close to pin for stability. |
| VOUT | Regulated boost output | Delivers fixed 4.5 V; connects directly to load or downstream LDO; requires ≥3.5 µF output capacitance. |
| EN | Enable control | Active-high logic input; must be pulled high (≥1.0 V) to operate, grounded to enter shutdown (<0.85 µA IQ). |
| BP | Bypass/standby mode select | When EN = GND: BP = GND → true disconnect; BP = VIN → standby mode with 150 mA current-limited VOUT bias. |
| GND | Power ground | Two dedicated pins (C1, C2) provide low-inductance return path for switch current and improve thermal performance. |
Key Features
| Feature | Design Value |
|---|---|
| Light-load PFM mode | Maintains >85% efficiency at 1 mA load by reducing switching frequency, extending battery runtime in idle states. |
| Selectable standby mode | Enables 21 µA quiescent current with output pre-biased at VIN, allowing immediate wake-up of audio amplifiers without soft-start delay. |
| Thermal & overload protection | Shuts down at 140°C junction temperature with 20°C hysteresis, preventing damage during sustained high-current operation. |
| Total solution size <25 mm² | Requires only one 1-µH inductor and two small ceramic capacitors, enabling integration into sub-100 mm² mobile PCB footprints. |
| ±2% DC output accuracy | Ensures reliable USB peripheral compatibility and eliminates need for post-regulation trimming in cost-sensitive designs. |
Applications
| Smartphone USB Charging Port | Portable Audio Amplifier Bias |
|---|---|
|
Use Scenario: Providing regulated 4.5 V to charge accessories or power USB OTG peripherals from a single-cell Li-ion battery. IC Role / Device Role / Timing Role: Primary boost regulator supplying stable 4.5 V rail with fast transient response to handle pulsed 1500 mA loads. Use Value: Enables direct USB-compatible output without external LDO, reducing BOM count and PCB area while supporting battery voltages down to 2.65 V. |
Use Scenario: Biasing Class-D or Class-AB mono/stereo audio amplifiers in smartphones or wearables during playback. IC Role / Device Role / Timing Role: High-efficiency step-up source delivering 800 mA continuous or 1500 mA peak current with minimal ripple. Use Value: Delivers clean 4.5 V with <45 mVpk ripple in PFM mode, preserving audio SNR while minimizing heat in thin form factors. |
| Always-On Sensor Hub Supply | Low-Power IoT Peripheral Rail |
|
Use Scenario: Powering always-on motion sensors or environmental monitors in battery-operated IoT nodes. IC Role / Device Role / Timing Role: Standby-mode regulator maintaining VOUT at VIN with 21 µA IQ and 150 mA sourcing capability. Use Value: Eliminates cold-start delay and enables instant sensor wake-up from deep sleep, improving system responsiveness. |
Use Scenario: Generating a stable 4.5 V rail for BLE/Wi-Fi modules or display drivers in compact connected devices. IC Role / Device Role / Timing Role: Compact, high-frequency boost converter enabling small inductor and capacitor selection. Use Value: Achieves full functionality in <25 mm² footprint, critical for space-constrained edge-node PCBs with tight thermal budgets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar boost converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS61254YFFR | Same 4.5 V output but rated for 800 mA continuous (not 1500 mA peak); lower valley current limit (2.15 A vs 3.62 A). | Suitable for steady-state 4.5 V loads ≤800 mA; not recommended for pulsed audio peaks. | Choose TPS61254YFFR only if peak current demand is ≤800 mA and cost optimization is prioritized over headroom. |
| TPS61040DRVR | Adjustable output (1.8–5.5 V), 28-V max input, 400 mA continuous, 1.2-MHz switching, SOT-23-6 package. | Supports wider input/output flexibility but lacks standby mode, higher IQ (50 µA), and lower peak current capability. | Prefer TPS61040DRVR when output voltage tuning or higher input voltage tolerance is required, accepting larger solution size and reduced efficiency. |
Compared with TPS61254YFFR and TPS61040DRVR, the TPS61258YFFR uniquely combines 4.5 V fixed output, 1500 mA peak capability, 21 µA standby current, and sub-25 mm² footprint-making it optimal for space- and battery-life-critical portable audio and USB power delivery.
Availability
TPS61258YFFR is available at Aetrix Electronics and suitable for smartphone USB charging ports, portable audio amplifier bias rails, and always-on sensor hub supplies requiring stable component supply, consistent parametric performance, and long-term production continuity.
Supply support for TPS61258YFFR 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 company specializing in analog and embedded processing technologies, with leadership in power management ICs for portable and industrial applications.
The TPS6125x family was designed specifically for ultra-compact, high-efficiency boost conversion in battery-powered consumer electronics, emphasizing minimal external components, nanoscale packaging, and intelligent power-save modes.
FAQ
What is the maximum continuous output current of the TPS61258YFFR?
The TPS61258YFFR delivers up to 800 mA continuous output current at 4.5 V when input voltage is ≥2.65 V. This rating is validated under thermal limits and accounts for ambient conditions up to 85°C with proper PCB copper pour. Peak current capability reaches 1500 mA for pulsed loads (≤20 ms, ≤10% duty cycle), as specified in the datasheet's electrical characteristics table.
Does the TPS61258YFFR support true load disconnect during shutdown?
Yes-the TPS61258YFFR provides true load disconnect when EN = GND and BP = GND. In this state, the internal switches fully isolate VOUT from VIN, reducing shutdown current to <0.85 µA (typ). This feature prevents battery drain in powered-off systems and is confirmed in the Pin Functions and Electrical Characteristics sections of the official TI datasheet SLVSAG8G.
What inductor value is recommended for the TPS61258YFFR?
The TPS61258YFFR is optimized for 0.7–2.9 µH inductors, with 1.0 µH being the nominal recommendation per the datasheet's Recommended Operating Conditions. A 1.0 µH, 2.5-A saturation current shielded ceramic inductor (e.g., TDK VLS201610 or Murata LQH3N221M03) ensures stable operation, minimal size, and compliance with the device's 3.5-MHz switching frequency.
How does the BP pin function on the TPS61258YFFR?
The BP pin on the TPS61258YFFR selects between two shutdown states when EN = GND: BP = GND enables true load disconnect (shutdown mode), while BP = VIN activates standby mode-biasing VOUT at VIN with 150 mA current limiting and reducing quiescent current to 21 µA (typ). This dual-mode capability is explicitly defined in the Pin Functions table and Figure 24 of the SLVSAG8G datasheet.
Is the TPS61258YFFR RoHS compliant and lead-free?
Yes-the TPS61258YFFR is manufactured in TI's RoHS-compliant, lead-free DSBGA package (YFFR suffix), meeting JEDEC J-STD-020 moisture sensitivity level 1 and IPC/JEDEC J-STD-033 handling requirements. Full compliance documentation, including material declarations and test reports, is available through TI's Quality & Environmental page for orderable part TPS61258YFFR.
TPS61258YFFR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 9-UFBGA, DSBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Up
- Output Configuration:
- Positive
- Topology:
- Boost
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.65V
- Voltage - Input (Max):
- 4.35V
- Voltage - Output (Min/Fixed):
- 4.5V
- Voltage - Output (Max):
- -
- Current - Output:
- 3.9A (Switch)
- Frequency - Switching:
- 3.5MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 9-DSBGA
TPS61258YFFR FAQ
1.How can I place an order for TPS61258YFFR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS61258YFFR 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 TPS61258YFFR reliable?
The price and inventory of TPS61258YFFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS61258YFFR is usually 5 days.
3.What payment methods are accepted for TPS61258YFFR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS61258YFFR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS61258YFFR?
TPS61258YFFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS61258YFFR 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 TPS61258YFFR?
For technical support, including TPS61258YFFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS61258YFFR requirements.
6.How does Aetrix verify that TPS61258YFFR is sourced from the original manufacturer or authorized distributors?
All TPS61258YFFR 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 TPS61258YFFR meets industry standards.
7.What is the process for return or replacement of TPS61258YFFR?
All TPS61258YFFR units undergo pre-shipment inspection (PSI). If there is an issue with TPS61258YFFR, 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 TPS61258YFFR part is unused and in its original packaging.
Return procedure for TPS61258YFFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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