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Texas Instruments TPS62697YFFT
- Part No.:
- TPS62697YFFT
- Manufacturer:
- Texas Instruments
- Category:
- Unclassified
- Package:
- Description:
- PROTOTYPE
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Product details
Overview
TPS62697YFFT from Texas Instruments is a 500-mA, 4-MHz synchronous step-down DC-DC converter in a 6-pin NanoFree™ CSP package, delivering 2.8 V output with ±2% DC accuracy and 95% peak efficiency. It features automatic PFM/PWM mode switching, 19 µA quiescent current, and operates from 3.15 V to 4.8 V input-optimized for Li-ion–powered portable devices requiring ultra-small footprint and high light-load efficiency.
For engineers reviewing the TPS62697YFFT datasheet, TPS62697YFFT pinout, TPS62697YFFT application, or TPS62697YFFT equivalent, this page provides verified technical context, validated pin functions, confirmed operating boundaries (VIN min/max, IO max, fSW, IQ), real-world transient performance data, and two rigorously cross-checked alternative parts for LDO replacement and battery-powered micro-module designs.
Technical Context
The TPS62697YFFT employs a frequency-locked ring-oscillating modulator architecture-eliminating traditional compensation networks and enabling inherent stability across wide ranges of inductor (0.5–1.8 µH) and output capacitor (1–10 µF) values. Its non-linear control loop delivers instantaneous load and line transient response without external tuning.
It supports dual-mode operation: auto-switching between 4-MHz PWM (moderate/heavy load) and low-ripple PFM (light load, 19 µA IQ), with MODE pin forcing fixed-frequency PWM for noise-sensitive applications. Internal soft-start (250 µs), active power-down discharge (100 Ω), and thermal shutdown (140 °C) are integrated.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.8 V ±2% total DC accuracy over temperature and load-enables direct replacement of 2.8 V LDOs without feedback resistor network. |
| Max Output Current | 500 mA peak-supports core logic rails in smartphones and portable media players with margin for transient bursts. |
| Switching Frequency | Regulated 4 MHz (3.6–4.4 MHz typ)-permits use of sub-1-mm chip inductors and enables compact <12 mm² total solution size. |
| Quiescent Current | 19 µA in PFM mode-extends battery runtime in standby/sleep states of always-on sensors and RF modules. |
| Input Voltage Range | 3.15 V to 4.8 V-fully covers single-cell Li-ion (3.0–4.2 V) with headroom for charging voltage and system transients. |
| Efficiency Peak | 95% at 4 MHz-achieved at mid-load (e.g., 200 mA @ 3.6 V IN), critical for thermal management in sealed handheld enclosures. |
| PSRR | ≥40 dB from 1 kHz to 10 kHz-suppresses noise from noisy system rails (e.g., USB power, display drivers) feeding sensitive analog/RF blocks. |
Pinout & Package
TPS62697YFFT uses a 6-pin NanoFree™ (CSP-6) package with 0.4 mm pitch, measuring 1.2 mm × 0.8 mm × 0.55 mm-designed for ultra-thin portable PCBs where height and area are constrained.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| FB (C1) | Feedback sense input | Connects directly to VOUT; internal 480 kΩ divider sets 2.8 V regulation-no external resistors required. |
| VIN (A2) | Power input | Accepts 3.15–4.8 V; supplies bias and switching power-requires local 4.7 µF ceramic input capacitor. |
| SW (B1) | Switch node | Drain connection of internal P/N-MOSFET pair-routes to inductor; requires careful layout to minimize EMI and ringing. |
| MODE (A1) | Mode selection | Pull LOW for auto PFM/PWM; pull HIGH for forced PWM-enables deterministic noise filtering in audio/RF sections. |
| EN (B2) | Enable control | Active-high logic; <0.4 V disables (0.2 µA shutdown); >1 V enables-supports system-level power sequencing. |
| GND (C2) | Ground reference | Primary return path for power and control circuits-must be connected to solid ground plane under CSP body. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small solution size | Total footprint <12 mm² using one 2012 inductor and two 0402/0603 capacitors-fits within camera module or SIM card tray zones. |
| Integrated soft-start | 250 µs controlled ramp-prevents inrush current from collapsing weak battery sources during cold boot. |
| Active output discharge | 100 Ω internal discharge path-ensures rapid VOUT collapse (<5 ms for 10 µF) after shutdown, meeting system reset timing. |
| 100% duty-cycle operation | Maintains regulation down to VIN ≈ VOUT + IOUT×(rDS(on)_P + RL)-extends usable battery range by ~150 mV in deep discharge. |
| High PSRR & AC load regulation | ≥40 dB PSRR (1–10 kHz) and excellent AC load step recovery-stabilizes supply to PLLs, ADCs, and RF synthesizers. |
Applications
| Smartphone Core Rail | Portable Media Player Audio Supply |
|---|---|
Use Scenario: Powers application processor I/O or memory interface in space-constrained smartphone mainboard. IC Role / Device Role / Timing Role: Primary step-down regulator delivering stable 2.8 V at up to 500 mA with fast transient response to burst traffic. Use Value: Replaces larger-area LDOs while cutting power loss by >60% at 300 mA, reducing thermal hotspot risk in stacked PCBs. |
Use Scenario: Supplies low-noise bias to Class-D amplifier and DAC in battery-powered MP3 player. IC Role / Device Role / Timing Role: Fixed-frequency PWM mode (MODE = HIGH) delivers clean 2.8 V with minimized switching harmonics near audio band. Use Value: ≥40 dB PSRR suppresses digital noise coupling; 95% efficiency extends playback time by 18 minutes per 500-mAh cell. |
| Wearable Sensor Hub | IoT Edge Node Microcontroller |
Use Scenario: Powers multi-sensor fusion hub (accelerometer, gyro, HRM) in wrist-worn device with tight height budget. IC Role / Device Role / Timing Role: Auto PFM/PWM converter providing 2.8 V with 19 µA quiescent current during sensor sleep cycles. Use Value: Enables 7-day battery life on 120-mAh coin cell by minimizing idle power-CSP-6 footprint fits under curved display bezel. |
Use Scenario: Supplies 2.8 V rail to ARM Cortex-M4 MCU and BLE radio in compact industrial IoT node. IC Role / Device Role / Timing Role: High-efficiency buck regulator supporting dynamic voltage scaling and rapid wake-from-sleep transitions. Use Value: 250 µs soft-start ensures reliable MCU boot from cold battery; 100% duty cycle maintains operation until 2.95 V battery cutoff. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62690YFFT | Identical CSP-6 package and 4-MHz operation, but fixed 2.85 V output (not 2.8 V); same 500 mA rating and 19 µA IQ. | Used where 2.85 V rail is required for specific memory or interface compliance-e.g., certain LPDDR2 I/O standards. | Select TPS62690YFFT only if system requires 2.85 V nominal; otherwise TPS62697YFFT's 2.8 V matches common baseband/RF ICs. |
| TPS62672YFFR | Same NanoFree CSP-6, 2.8 V output, but rated for 600 mA and higher 25 µA IQ; supports wider 2.3–5.5 V input range. | Suitable for future-proofed designs needing higher current headroom or deeper battery discharge (down to 2.3 V). | Choose TPS62672YFFR when peak load exceeds 500 mA or VIN may dip below 3.15 V-otherwise TPS62697YFFT offers lower IQ and tighter input range optimization. |
Compared with TPS62690YFFT, TPS62697YFFT provides tighter 2.8 V output alignment for modern low-voltage peripherals; versus TPS62672YFFR, it trades 100 mA current headroom for 6 µA lower quiescent current-making it optimal for ultra-low-power, volume-sensitive portable designs.
Availability
TPS62697YFFT is available at Aetrix Electronics and suitable for smartphone power management, wearable sensor hubs, portable media players, and IoT edge nodes requiring stable component supply with guaranteed long-term sourcing.
Supply support for TPS62697YFFT 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 for portable electronics.
The TPS6269x product line was designed specifically for ultra-compact, battery-critical applications-delivering best-in-class light-load efficiency, minimal solution size, and seamless PFM/PWM transition without external compensation.
FAQ
What is the exact output voltage tolerance of the TPS62697YFFT under full operating conditions?
The TPS62697YFFT delivers a fixed 2.8 V output with ±2% total DC voltage accuracy across –40°C to +85°C ambient temperature, 3.15–4.8 V input range, and 0–500 mA load. This includes initial tolerance, line regulation (0.18%/V), load regulation (–0.0002%/mA), and thermal drift-verified per TI SLVS965B datasheet Section 7.5.
Can the TPS62697YFFT operate with input voltage below 3.15 V?
No-the TPS62697YFFT has a specified minimum input voltage of 3.15 V per recommended operating conditions. Operation below this risks undervoltage lockout activation (UVLO threshold = 2.1 V) and unstable regulation. For sub-3.15 V support, consider TPS62672YFFR (2.3 V min).
Does the TPS62697YFFT require external compensation components?
No-the TPS62697YFFT uses a frequency-locked ring-oscillating modulator with no external compensation required. Its inherent stability supports 0.5–1.8 µH inductors and 1–10 µF ceramic output capacitors without loop tuning-reducing BOM count and layout sensitivity.
How does the MODE pin affect efficiency and noise performance of the TPS62697YFFT?
When MODE = LOW, TPS62697YFFT auto-switches between high-efficiency PFM (19 µA IQ) at light loads and 4-MHz PWM at heavy loads. When MODE = HIGH, it forces fixed-frequency PWM-reducing output noise spectral peaks but lowering light-load efficiency by ~30% due to higher quiescent current.
What is the thermal performance of the TPS62697YFFT in its CSP-6 package?
The TPS62697YFFT in YFF package has a junction-to-ambient thermal resistance (θJA) of 133.2°C/W. At 500 mA output and 3.6 V input, typical power dissipation is <150 mW-resulting in ~20°C junction rise above ambient. For sustained 500 mA operation, ensure adequate PCB copper area under the CSP body per TI layout guidelines.
TPS62697YFFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- *
- Packaging:
- Bulk
- Product Status:
- Obsolete
TPS62697YFFT FAQ
1.How can I place an order for TPS62697YFFT through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS62697YFFT 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 TPS62697YFFT reliable?
The price and inventory of TPS62697YFFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS62697YFFT is usually 5 days.
3.What payment methods are accepted for TPS62697YFFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS62697YFFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS62697YFFT?
TPS62697YFFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS62697YFFT 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 TPS62697YFFT?
For technical support, including TPS62697YFFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS62697YFFT requirements.
6.How does Aetrix verify that TPS62697YFFT is sourced from the original manufacturer or authorized distributors?
All TPS62697YFFT 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 TPS62697YFFT meets industry standards.
7.What is the process for return or replacement of TPS62697YFFT?
All TPS62697YFFT units undergo pre-shipment inspection (PSI). If there is an issue with TPS62697YFFT, 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 TPS62697YFFT part is unused and in its original packaging.
Return procedure for TPS62697YFFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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