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Texas Instruments TPS63012YFFT
- Part No.:
- TPS63012YFFT
- Manufacturer:
- Texas Instruments
- Package:
- 20-UFBGA, DSBGA
- Datasheet:
-
TPS63012YFFT.pdf
- Description:
- IC REG BUCK BST PROG 2A 20DSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:395
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Product details
Overview
TPS63012YFFT from Texas Instruments is a highly efficient, single-inductor buck-boost DC/DC converter optimized for fixed 3.4 V output in boost mode and 2.9 V in buck mode, supporting up to 1200 mA at 3.3 V (VIN = 3.6 V), 800 mA at 3.3 V in boost (VIN > 2.4 V), and operating across 2 V–5.5 V input range. It delivers seamless automatic transition between buck and boost modes for battery-powered portable electronics requiring stable rail generation from varying cell counts.
For engineers reviewing the TPS63012YFFT datasheet, TPS63012YFFT pinout, TPS63012YFFT application, or TPS63012YFFT equivalent, this device is selected for its 20-pin DSBGA package (2.126 mm × 1.922 mm), synchronous 4-MOSFET topology, power-save mode (<50 μA quiescent current), and integrated overvoltage (6.5 V) and overtemperature (140 °C) protection - critical for compact, safety-aware Li-ion and alkaline-powered designs.
Technical Context
The TPS63012YFFT implements an average-current-mode PWM controller with dual-stage regulation: fast inner current loop and outer voltage loop with input/output feedforward. Its 4-switch synchronous architecture uses one active switch, one rectifying switch, and two statically biased MOSFETs - eliminating simultaneous switching losses and minimizing RMS current in L1/L2 to sustain >96% peak efficiency.
Operation is fully autonomous: buck mode engages when VIN > VOUT (e.g., 3.6 V → 2.9 V), boost mode when VIN < VOUT (e.g., 2.4 V → 3.4 V), with seamless crossover near VIN ≈ VOUT. VSEL pin selects between factory-trimmed 2.9 V (VSEL = LOW) and 3.4 V (VSEL = HIGH) outputs; FB is internally connected to VOUT and not user-adjustable.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage Options | Fixed 2.9 V (VSEL = LOW) or 3.4 V (VSEL = HIGH); no external resistor divider required |
| Max Output Current | 1200 mA at 3.3 V in step-down (VIN = 3.6 V–5.5 V); 800 mA at 3.3 V in boost (VIN ≥ 2.4 V) |
| Input Voltage Range | 2.0 V–5.5 V continuous operation; 2.1 V minimum for startup |
| Switching Frequency | 2.4 MHz typical (2.2–2.6 MHz); synchronizable up to 3 MHz via SYNC pin |
| Quiescent Current | <50 μA in power-save mode; 1–2 μA shutdown current (VEN = 0 V) |
| Protection Features | Output overvoltage clamp at 6.5 V; thermal shutdown at 140 °C with 20 °C hysteresis |
| Efficiency | Up to 96% peak; maintains >85% efficiency from 10 mA to full load across input range |
Pinout & Package
TPS63012YFFT is housed in a 20-pin DSBGA package (2.126 mm × 1.922 mm, YFF designation), optimized for ultra-compact PCB layouts and thermal performance (RθJA = 71.1 °C/W). Ground separation (GND for control logic, PGND for power switches) minimizes noise coupling and enables clean feedback sensing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN | Enable input | Active-high digital control: drives internal bias circuits; ties to VIN for always-on operation |
| VIN / VINA | Power inputs | VIN supplies power stage; VINA powers control circuitry - both require independent 10 µF ceramic decoupling |
| L1 / L2 | Inductor connections | Dual terminals for single 1.5 µH inductor; L1 carries high-side current, L2 carries low-side return path |
| VOUT | Regulated output | Delivers fixed 2.9 V or 3.4 V; requires 10 µF output capacitance; connects directly to FB internally |
| FB | Feedback node | Internally tied to VOUT - no external divider; used only for monitoring in fixed-output variants |
| VSEL | Output voltage select | Logic-controlled selection: LOW → 2.9 V, HIGH → 3.4 V; must be driven to defined rail (not floating) |
| PS | Power-save mode control | LOW enables light-load efficiency optimization; HIGH forces fixed-frequency PWM operation |
| SYNC | External clock input | Accepts 2.2–3 MHz square wave; ties to GND if unused to avoid noise injection |
| GND / PGND | Ground references | GND: control/reference ground; PGND: power-switch return - connect at single point near GND pin |
Key Features
| Feature | Design Value |
|---|---|
| Automatic buck-boost mode transition | Seamless crossover at VIN ≈ VOUT without output glitch or control loop instability |
| Synchronous 4-MOSFET topology | Eliminates external diode; reduces conduction loss and enables bidirectional energy transfer |
| Integrated overvoltage protection | Clamps VOUT at 6.5 V during feedback fault or open-FB condition - prevents downstream damage |
| Load disconnect during shutdown | Internal switch isolates VOUT from VIN when EN = LOW - eliminates battery drain in standby |
| Thermal foldback with hysteresis | Shuts down at 140 °C junction; resumes only after cooling to 120 °C - prevents thermal cycling |
Applications
| Portable Medical Sensors | Wearable Fitness Trackers |
|---|---|
|
Use Scenario: Continuous glucose monitor powered by single-cell Li-ion (2.7–4.2 V) with 3.3 V MCU and analog front-end. IC Role / Device Role / Timing Role: Primary system regulator maintaining stable 3.4 V rail across full battery discharge curve. Use Value: Enables >90% efficiency at 5–100 mA loads and seamless buck-to-boost transition below 3.4 V - extending runtime by 18% vs. fixed-buck solutions. |
Use Scenario: Optical heart-rate sensor module using 2.9 V analog signal chain and 3.4 V BLE radio. IC Role / Device Role / Timing Role: Dual-rail generator using VSEL to switch between 2.9 V (sensor) and 3.4 V (radio) on demand. Use Value: Eliminates need for second regulator; PS pin enables ultra-low-IQ mode during sleep - reducing average current to 3.2 μA. |
| Wireless Headphone Charging Case | Handheld Barcode Scanners |
|
Use Scenario: Rechargeable case with 2-cell alkaline (1.8–3.2 V) powering 3.3 V charging IC and status LEDs. IC Role / Device Role / Timing Role: Input-voltage-agnostic power manager delivering regulated 3.3 V regardless of battery state. Use Value: Supports full functionality down to 2.0 V input - enabling 20% more usable battery capacity vs. 3.3 V LDO-based designs. |
Use Scenario: Industrial scanner using NiMH pack (2.4–3.6 V) driving 3.4 V laser diode driver and 2.9 V image sensor. IC Role / Device Role / Timing Role: Single-chip solution replacing discrete buck + boost stages and reducing BOM count by 7 parts. Use Value: 20-pin DSBGA footprint (4.1 mm²) saves 62% board area vs. comparable QFN solutions - critical for ergonomic form factor. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar buck-boost regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS63011YFFT | Fixed 2.8 V / 3.3 V outputs (vs. TPS63012's 2.9 V / 3.4 V); identical pinout, package, and control interface | Better match for legacy 3.3 V logic rails; less suitable for newer 3.4 V BLE radios or 2.9 V precision analog sensors | Select TPS63011YFFT when system requires exact 3.3 V output with same layout and firmware compatibility. |
| TPS63001DRCR | Adjustable output (1.2–5.5 V) via external resistor divider; 10-pin MSOP package; lower max output current (600 mA) | Requires additional resistors and layout changes; lacks VSEL flexibility but offers wider voltage tuning | Choose TPS63001DRCR only if adjustable output and smaller package size outweigh need for 1200 mA capability and dual fixed voltages. |
Compared with TPS63011YFFT, TPS63012YFFT provides higher output voltage options better aligned with modern 3.4 V wireless transceivers, while TPS63001DRCR trades current capability and fixed-voltage convenience for design flexibility and footprint reduction - making TPS63012YFFT optimal for space-constrained, dual-rail portable systems.
Availability
TPS63012YFFT is available at Aetrix Electronics and suitable for portable medical sensors, wearable fitness trackers, wireless headphone charging cases, and handheld barcode scanners requiring stable component supply across long-lifecycle consumer and industrial programs.
Supply support for TPS63012YFFT 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 and embedded processing technologies, with decades of expertise in power management IC design and manufacturing.
The TPS6301x family was engineered specifically for ultra-compact, high-efficiency battery-powered devices - delivering seamless buck-boost conversion in sub-5 mm² packages for next-generation wearables, medical sensors, and portable industrial tools.
FAQ
What output voltages does the TPS63012YFFT support, and how are they selected?
The TPS63012YFFT supports two factory-trimmed fixed output voltages: 2.9 V when VSEL is pulled LOW, and 3.4 V when VSEL is pulled HIGH. Unlike adjustable variants, it does not use an external resistor divider - FB is internally connected to VOUT. This eliminates calibration drift and simplifies layout for applications needing precise, stable dual-rail generation without trimming components.
Can the TPS63012YFFT operate from a single-cell Li-ion battery across its full discharge range?
Yes, the TPS63012YFFT operates continuously from 2.0 V to 5.5 V input, covering the full discharge curve of a single-cell Li-ion (2.7 V–4.2 V) or Li-polymer battery. Its automatic buck-boost transition ensures stable 2.9 V or 3.4 V output even as voltage drops below the output rail - enabling full utilization of battery capacity without brownouts.
How does the TPS63012YFFT handle thermal overload, and what is its shutdown threshold?
The TPS63012YFFT incorporates an internal temperature sensor that triggers thermal shutdown at 140 °C junction temperature. It remains off until junction temperature falls to ~120 °C due to built-in 20 °C hysteresis - preventing oscillatory behavior. This protects both the IC and downstream circuitry during sustained high-load or poor-thermal-pad conditions.
Is external synchronization supported on the TPS63012YFFT, and what is the valid frequency range?
Yes, the TPS63012YFFT accepts external clock signals on the SYNC pin for frequency alignment with system clocks or noise-sensitive bands. It supports synchronization from 2.2 MHz to 3.0 MHz - matching its native 2.4 MHz switching frequency. If unused, SYNC must be tied to GND to prevent noise coupling into the control loop.
Does the TPS63012YFFT disconnect the load during shutdown, and how is this implemented?
Yes, the TPS63012YFFT fully disconnects VOUT from VIN during shutdown (EN = LOW) using an internal power switch. This prevents reverse current flow and eliminates battery drain in standby - critical for long-life portable applications. Shutdown current is specified at 0.1–1 μA, ensuring minimal impact on shelf life and sleep-mode battery budget.
TPS63012YFFT 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:
- Programmable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 2.9V, 3.4V
- Voltage - Output (Max):
- -
- Current - Output:
- 2A (Switch)
- Frequency - Switching:
- 2.4MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-DSBGA
TPS63012YFFT FAQ
1.How can I place an order for TPS63012YFFT through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS63012YFFT 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 TPS63012YFFT reliable?
The price and inventory of TPS63012YFFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS63012YFFT is usually 5 days.
3.What payment methods are accepted for TPS63012YFFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS63012YFFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS63012YFFT?
TPS63012YFFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS63012YFFT 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 TPS63012YFFT?
For technical support, including TPS63012YFFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS63012YFFT requirements.
6.How does Aetrix verify that TPS63012YFFT is sourced from the original manufacturer or authorized distributors?
All TPS63012YFFT 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 TPS63012YFFT meets industry standards.
7.What is the process for return or replacement of TPS63012YFFT?
All TPS63012YFFT units undergo pre-shipment inspection (PSI). If there is an issue with TPS63012YFFT, 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 TPS63012YFFT part is unused and in its original packaging.
Return procedure for TPS63012YFFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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