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Texas Instruments TPS62624YFFT
- Part No.:
- TPS62624YFFT
- Manufacturer:
- Texas Instruments
- Package:
- 6-UFBGA, DSBGA
- Datasheet:
-
TPS62624YFFT.pdf
- Description:
- IC REG BUCK 1.2V 600MA 6DSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:420
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Product details
Overview
TPS62624YFFT from Texas Instruments is a 600-mA, 6-MHz synchronous step-down DC/DC converter in a 6-pin NanoFree™ WCSP package, optimized for Li-ion–powered portable devices. It delivers fixed 1.2 V output with ±2% DC accuracy, 90% peak efficiency at 6 MHz, and integrates active output capacitor discharge (15 Ω typical) - enabling rapid power-down sequencing in mobile phones and Bluetooth applications.
For engineers reviewing the TPS62624YFFT datasheet, TPS62624YFFT pinout, TPS62624YFFT application, or TPS62624YFFT equivalent, key selection criteria include its 31 μA quiescent current in PFM mode, automatic PFM/PWM transition, 2.3 V to 5.5 V input range, integrated soft-start (120 μs), and thermal shutdown (140°C) - all critical for battery life, transient response, and system-level power integrity in space-constrained designs.
Technical Context
The TPS62624YFFT employs a frequency-locked ring-oscillating modulator architecture with no traditional compensated feedback loop, enabling instantaneous load/line transient response and inherent stability across L-COUT variations. Its non-linear control scheme maintains regulated 6 MHz switching under moderate-to-heavy loads while transitioning to discontinuous-conduction-mode (DCM) PFM at light loads.
Unlike conventional voltage-mode controllers, it uses duty-cycle–derived internal ramp generation and comparator trip-based switching, with FLL compensation to hold frequency constant across input voltage (2.3–5.5 V) and load (0–600 mA). The integrated 15 Ω discharge resistor (enabled only on TPS62624) provides controlled VOUT collapse during shutdown - a feature absent in TPS62620–TPS62623/TPS62625 variants.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 1.2 V with ±2% total DC accuracy - ensures stable core supply for low-voltage processors without external resistor divider. |
| Max Output Current | 600 mA - supports RF transceivers, GPS basebands, and multi-core microcontrollers in handheld devices. |
| Switching Frequency | 6 MHz (±10%) - enables use of sub-1-mm chip inductors (e.g., 0.47 μH) and ultra-small ceramic capacitors (2.2 μF/4.7 μF). |
| Quiescent Current | 31 μA (typical, PFM mode) - extends battery runtime in standby/sleep states without sacrificing startup speed. |
| Input Voltage Range | 2.3 V to 5.5 V - fully covers Li-ion battery discharge curve (4.2 V → 2.5 V) with margin for voltage drops. |
| Output Discharge | Integrated 15 Ω (typical) discharge path - actively collapses VOUT within milliseconds after EN deactivation, preventing back-powering or latch-up. |
| Startup Time | 120 μs - meets fast wake-up requirements for cellular modems and Bluetooth LE subsystems. |
Pinout & Package
TPS62624YFFT is housed in a 6-pin DSBGA (NanoFree™ WCSP) package measuring 1.30 mm × 0.96 mm with 0.4-mm pitch. The bottom-side ball layout matches standard PCB assembly processes for ultra-thin mobile applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Power input | Accepts 2.3–5.5 V; connects directly to battery or PMIC output; requires local 2.2 μF ceramic decoupling. |
| SW | Switch node | Drain of internal P-channel MOSFET; connects to inductor; high dv/dt node requiring tight layout and ground shielding. |
| FB | Feedback sense | Monitors regulated 1.2 V output; internally connected to fixed resistor divider - no external components needed. |
| MODE | Operating mode select | Pull low for auto PFM/PWM; pull high for forced PWM - enables noise-sensitive operation without efficiency penalty at full load. |
| EN | Enable control | Active-high logic; <0.4 V disables device, reducing IQ to 0.2 μA; must be terminated to avoid floating-induced instability. |
| GND | Ground reference | System ground return; requires low-inductance connection to thermal pad (exposed die attach area on bottom). |
Key Features
| Feature | Design Value |
|---|---|
| Integrated output discharge | 15 Ω (typical) internal resistor - eliminates need for external discharge FET in power-down sequencing for TPS62624 only. |
| PFM/PWM auto-transition | Seamless mode switch at ~10 mA load - maintains >85% efficiency from 100 μA to 600 mA without manual intervention. |
| Ultra-low quiescent current | 31 μA (typical, PFM) - reduces no-load power loss to <100 μW at 3.6 V input, critical for always-on sensors. |
| Thermal shutdown with hysteresis | 140°C trip / 130°C recovery - prevents thermal runaway during sustained 600 mA operation in sealed enclosures. |
| Fixed-frequency PWM enforcement | MODE pin override enables deterministic EMI filtering - essential for coexistence with WLAN/GPS RF front-ends. |
Applications
| Mobile Phone Power Rail | Bluetooth LE Audio SoC Supply |
|---|---|
Use Scenario: Powers application processor I/O or modem baseband in slim smartphones with single-cell Li-ion battery. IC Role / Device Role / Timing Role: Primary 1.2 V core regulator delivering up to 600 mA with <120 μs startup and active discharge to meet 3GPP power-state transition timing. Use Value: Eliminates external discharge circuitry and reduces solution size to <12 mm² - enabling thinner bezel designs without compromising battery life. | Use Scenario: Supplies 1.2 V to Bluetooth 5.0 LE audio SoC during streaming and advertising intervals. IC Role / Device Role / Timing Role: Low-noise, fast-transient regulator supporting burst-mode operation with PFM-to-PWM transitions synchronized to packet timing. Use Value: 31 μA quiescent current extends earbud battery life to >8 hours; 6 MHz switching avoids interference with 2.4 GHz ISM band. |
| GPS/GLONASS Front-End Bias | DTV Tuner LNB Interface |
Use Scenario: Provides clean, low-ripple 1.2 V bias to GPS RF front-end LNA and downconverter ICs. IC Role / Device Role / Timing Role: Noise-suppressed power source operating in forced PWM mode (MODE = high) to minimize switching harmonics near 1.575 GHz GPS band. Use Value: Achieves <24 mVPP ripple in PFM and <1% ripple in PWM - preserving SNR and minimizing false-lock events in weak-signal acquisition. | Use Scenario: Powers digital tuner ICs in portable DTV receivers powered by USB or coin-cell backup. IC Role / Device Role / Timing Role: Compact, high-efficiency buck converter supporting wide-input (2.3–5.5 V) operation across multiple power sources. Use Value: 2.3 V minimum VIN enables operation down to depleted coin-cell voltage (2.4 V); 600 mA headroom supports burst-mode demodulation peaks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62622YFFT | Fixed 1.5 V output; no output discharge function; identical pinout and package. | Used where higher core voltage is required (e.g., legacy ARM Cortex-A8); lacks active discharge for fast power-down. | Select when 1.5 V rail is needed and discharge sequencing is handled externally or not required. |
| TPS62625YFFT | Fixed 1.2 V output; no output discharge; otherwise identical electrical specs and footprint. | Suitable for cost-sensitive designs where rapid VOUT collapse is unnecessary (e.g., non-sequenced peripherals). | Choose for 1.2 V applications without power-down sequencing constraints - lower BOM cost than TPS62624YFFT. |
Compared with TPS62622YFFT and TPS62625YFFT, the TPS62624YFFT uniquely provides integrated 15 Ω output discharge - eliminating external components and PCB area in systems requiring controlled power-down (e.g., mobile baseband reset sequences), while maintaining identical efficiency, transient response, and thermal performance.
Availability
TPS62624YFFT is available at Aetrix Electronics and suitable for mobile phone power management, Bluetooth LE audio subsystems, GPS front-end biasing, and portable DTV tuner applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for TPS62624YFFT 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 TPS6262x product line was designed specifically for ultra-thin, battery-powered portable electronics - delivering high-frequency, high-efficiency DC/DC conversion in sub-1-mm chip-scale packages with minimal external components.
FAQ
What is the output voltage tolerance of the TPS62624YFFT over temperature and load?
The TPS62624YFFT guarantees ±2% total DC voltage accuracy across –40°C to 85°C ambient temperature, 2.3 V to 5.5 V input, and 0–600 mA load. This includes initial tolerance, line regulation (0.13%/V), load regulation (–0.0003%/mA), and thermal drift - verified per TI's SLVS848D datasheet Section 7.5.
Does the TPS62624YFFT require external feedback resistors to set output voltage?
No. The TPS62624YFFT has an internally trimmed 1.2 V reference and fixed resistor divider, so no external FB resistors are needed. This simplifies layout, improves accuracy, and reduces BOM count - unlike adjustable buck converters such as the TPS62620, which require external resistors to set VOUT.
How does the MODE pin affect efficiency and noise performance of the TPS62624YFFT?
When MODE is pulled low, the TPS62624YFFT operates in auto PFM/PWM mode - maximizing efficiency (90% peak) at light loads via 31 μA quiescent current. When MODE is pulled high, it forces fixed 6 MHz PWM operation - increasing light-load power loss but enabling predictable EMI filtering and reduced output ripple for noise-sensitive RF circuits.
What protection features are integrated into the TPS62624YFFT?
The TPS62624YFFT includes undervoltage lockout (2.05 V trip), thermal shutdown (140°C with 10°C hysteresis), P-channel MOSFET current limit (975–1200 mA), short-circuit protection with reduced current limit below 0.4 V, and integrated output capacitor discharge (15 Ω). These features eliminate need for external protection circuitry in most portable designs.
Can the TPS62624YFFT be used with ceramic output capacitors smaller than 4.7 μF?
Yes - the TPS62624YFFT supports minimum effective output capacitance of 1.6 μF per datasheet Section 9.2.2.2. However, using <4.7 μF may increase output ripple during large load transients and reduce holdup time; 4.7 μF is recommended for optimal PFM-mode ripple (<24 mVPP) and transient stability in mobile applications.
TPS62624YFFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-UFBGA, DSBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.3V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 1.2V
- Voltage - Output (Max):
- -
- Current - Output:
- 600mA
- Frequency - Switching:
- 6MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-DSBGA
TPS62624YFFT FAQ
1.How can I place an order for TPS62624YFFT through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS62624YFFT 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 TPS62624YFFT reliable?
The price and inventory of TPS62624YFFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS62624YFFT is usually 5 days.
3.What payment methods are accepted for TPS62624YFFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS62624YFFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS62624YFFT?
TPS62624YFFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS62624YFFT 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 TPS62624YFFT?
For technical support, including TPS62624YFFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS62624YFFT requirements.
6.How does Aetrix verify that TPS62624YFFT is sourced from the original manufacturer or authorized distributors?
All TPS62624YFFT 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 TPS62624YFFT meets industry standards.
7.What is the process for return or replacement of TPS62624YFFT?
All TPS62624YFFT units undergo pre-shipment inspection (PSI). If there is an issue with TPS62624YFFT, 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 TPS62624YFFT part is unused and in its original packaging.
Return procedure for TPS62624YFFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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