Texas Instruments TPS626765YFDT
- Part No.:
- TPS626765YFDT
- Manufacturer:
- Texas Instruments
- Package:
- 6-XFBGA, DSBGA
- Datasheet:
-
TPS626765YFDT.pdf
- Description:
- IC REG BUCK 1.05V 650MA 6DSBGA
- Quantity:
- Payment:

- Shipping:

Inventory:568
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Product details
Overview
TPS626765YFDT from Texas Instruments is a 6-MHz synchronous step-down DC-DC converter in NanoFree™ DSBGA-6 packaging, delivering 1.05 V at up to 650 mA from 2.3 V–4.8 V input. It features 17 μA quiescent current in PFM mode, ±2% DC output accuracy, and spread-spectrum PWM for low-noise operation-optimized for Li-ion-powered mobile applications including CMOS camera modules and Bluetooth/WLAN subsystems.
For engineers reviewing the TPS626765YFDT datasheet, TPS626765YFDT pinout, TPS626765YFDT application, or TPS626765YFDT equivalent, key selection criteria include its ultra-thin 0.4 mm profile, 650 mA load capability at 1.05 V, PFM/PWM auto-transition behavior, 6 MHz regulated switching frequency, and compatibility with 0603 inductors and 0402 ceramic capacitors in sub-10 mm² layouts.
Technical Context
The TPS626765YFDT uses a frequency-locked ring-oscillating modulator architecture-eliminating traditional compensation loops-to achieve instantaneous transient response and stable operation with minimal external components. Its dual-mode control (PFM at light loads, forced or auto PWM at higher loads) enables high efficiency across 0–650 mA while maintaining low output ripple and tight DC regulation.
It integrates P- and N-channel MOSFETs with on-resistances of 170 mΩ/120 mΩ (at 3.6 V), supports external clock detection (4–27 MHz), and includes output discharge via a 70–150 Ω internal resistor. The device enters thermal shutdown at 140°C with 10°C hysteresis and features undervoltage lockout at 2.05–2.1 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 1.05 V ±2% over 0–650 mA load and 2.3–4.8 V input-ensures stable core supply for low-voltage digital ICs. |
| Max Output Current | 650 mA continuous-supports power-hungry RF transceivers and image sensors in compact handheld devices. |
| Switching Frequency | 6 MHz nominal (5.4–6.6 MHz range)-enables use of sub-1 μH chip inductors and reduces solution size below 10 mm². |
| Quiescent Current | 17 μA typical in PFM mode-extends battery life in always-on sensor or standby subsystems. |
| Input Voltage Range | 2.3 V to 4.8 V-fully covers single-cell Li-ion voltage range including deep discharge and full charge states. |
| Package | DSBGA-6 (1.22 mm × 0.85 mm, 0.4 mm max height)-meets ultra-thin mobile PCB stack-up requirements. |
| PSRR | ≥35 dB from 1 kHz to 10 kHz-rejects noise from noisy system rails like USB or display power supplies. |
Pinout & Package
TPS626765YFDT is housed in a 6-pin NanoFree™ DSBGA package (1.22 mm × 0.85 mm, 0.4 mm max height), optimized for space-constrained mobile designs. Pin mapping follows bottom-view CSP-6 layout with solder-ball terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| FB (C1) | Feedback sense input | Connects directly to VOUT to regulate 1.05 V; internal 480 kΩ divider sets output-no external resistors required. |
| VIN (A2) | Power input | Accepts 2.3–4.8 V; requires local 2.2 μF ceramic capacitor (0402) for high-frequency decoupling. |
| SW (B1) | Switch node | Drain connection of internal P/N-MOSFETs; interfaces with 0.47–1.0 μH inductor (0603) and output capacitor. |
| MODE (A1) | Mode selection | Pull LOW for auto PFM/PWM; pull HIGH for forced PWM-enables noise-sensitive or deterministic timing modes. |
| EN (B2) | Enable control | Active-high logic input; supports external clock presence detection (4–27 MHz) for automatic wake-up. |
| GND (C2) | Ground reference | Primary return path for power and signal; must be connected to solid PCB ground plane for EMI and thermal performance. |
Key Features
| Feature | Design Value |
|---|---|
| Spread-spectrum PWM modulation | Reduces peak EMI by dithering 6 MHz switching frequency-critical for passing FCC/CE radiated emissions in dense RF layouts. |
| Ultra-low quiescent current (17 μA) | Minimizes no-load power loss in battery-backed systems-enables >1-week standby time in always-on IoT endpoints. |
| Integrated output discharge | 70–150 Ω internal resistor actively discharges VOUT during shutdown-prevents floating bias in downstream logic or analog circuits. |
| Best-in-class transient response | No traditional feedback loop; ring-oscillator architecture delivers <1 μs load-step recovery-stabilizes supply for burst-mode processors. |
| Three-component total solution | Requires only one 0603 inductor and two 0402 MLCCs-reduces BOM count, assembly cost, and PCB area vs. legacy buck regulators. |
Applications
| CMOS Camera Module Power | Bluetooth/WLAN RF Subsystem |
|---|---|
Use Scenario: Powers image sensor core and ISP logic in smartphone front/rear cameras with strict height and ripple constraints. IC Role / Device Role / Timing Role: Primary 1.05 V core regulator delivering 650 mA peak during autofocus or HDR capture bursts. Use Value: 17 μA quiescent current extends idle battery life; 6 MHz switching avoids interference with MIPI CSI-2 clock bands. |
Use Scenario: Supplies clean 1.05 V to Bluetooth 5.0 or Wi-Fi 4/5 baseband ICs in wearables and hearables. IC Role / Device Role / Timing Role: Low-noise buck converter operating in forced PWM mode during active transmission to suppress spectral spurs. Use Value: Spread-spectrum modulation lowers conducted EMI by 8–10 dB; ≥35 dB PSRR rejects noise from shared LDO or PMIC rails. |
| Digital TV Tuner IC Supply | Low-Power MCU Core Rail |
Use Scenario: Provides regulated 1.05 V to DVB-T2 or ATSC 3.0 tuner SoCs in portable media players and dongles. IC Role / Device Role / Timing Role: High-efficiency step-down regulator supporting dynamic voltage scaling during channel scan or video decode. Use Value: ±2% DC accuracy ensures stable PLL lock; 650 mA headroom accommodates bursty demodulation loads. |
Use Scenario: Powers ARM Cortex-M0+/M4F cores in battery-operated industrial sensors and smart remotes. IC Role / Device Role / Timing Role: Always-on core supply enabling fast wake-from-sleep (<100 μs startup) and low-power retention modes. Use Value: 1.05 V output matches modern ultra-low-voltage MCU VDDIO specs; 0.4 mm height fits under thin display bezels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS62675YFD | Fixed 1.2 V output; identical 650 mA rating, 6 MHz frequency, and package. | Suitable where system requires 1.2 V core rail instead of 1.05 V-e.g., certain DSPs or FPGA I/O banks. | Select TPS62675YFD only if 1.2 V output matches target IC's absolute maximum VDD specification. |
| TPS626751YFD | Also 1.2 V output but adds output discharge; same 650 mA/6 MHz specs and DSBGA-6 footprint. | Better suited for systems requiring rapid VOUT discharge during power sequencing or hot-swap events. | Choose TPS626751YFD when controlled power-down timing is critical-e.g., multi-rail SoC platforms with strict reset ordering. |
Compared with TPS626765YFDT, TPS62675YFD provides higher output voltage without discharge, while TPS626751YFD adds discharge functionality at 1.2 V-neither offers 1.05 V or matches the exact electrical envelope of TPS626765YFDT for ultra-low-voltage core rails.
Availability
TPS626765YFDT is available at Aetrix Electronics and suitable for cell phones, CMOS camera modules, and Bluetooth/WLAN subsystems requiring stable component supply, long-term manufacturability, and ultra-thin packaging.
Supply support for TPS626765YFDT 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 technologies with decades of automotive, industrial, and consumer design expertise.
The TPS6267x family was engineered for ultra-compact, high-efficiency power conversion in battery-powered mobile devices-prioritizing minimal solution size, low quiescent current, and noise resilience in RF-dense environments.
FAQ
What is the fixed output voltage of the TPS626765YFDT?
The TPS626765YFDT has a factory-trimmed fixed output voltage of 1.05 V with ±2% total DC accuracy across temperature, line, and load conditions. This value is internally set and requires no external feedback resistors-making it ideal for space-constrained applications where board area is at a premium and precise low-voltage regulation is mandatory.
Does the TPS626765YFDT support external clock synchronization?
Yes, the TPS626765YFDT supports external clock presence detection on the EN pin within the 4 MHz to 27 MHz range. When an external clock signal is detected, the device automatically powers up and synchronizes its internal 6 MHz oscillator-enabling deterministic timing in multi-rail systems and reducing beat-frequency noise in synchronized power domains.
What is the maximum continuous output current for the TPS626765YFDT?
The TPS626765YFDT delivers up to 650 mA of continuous output current under recommended operating conditions (2.3 V–4.8 V input, TA = –40°C to +85°C). This rating applies specifically to the TPS626765YFDT variant and is confirmed in the device comparison table and electrical characteristics section of the SLVS952G datasheet.
How does the MODE pin affect operation of the TPS626765YFDT?
The MODE pin on the TPS626765YFDT selects between two operating modes: pulled LOW enables automatic PFM/PWM transition for peak efficiency across load range; pulled HIGH forces continuous PWM operation to minimize output voltage ripple and electromagnetic interference in noise-sensitive applications such as RF receivers or high-speed ADC supplies.
Is output discharge integrated into the TPS626765YFDT?
Yes, the TPS626765YFDT includes an integrated output discharge function via a 70–150 Ω internal resistor connected between VOUT and GND. This feature actively pulls down the output voltage during shutdown, preventing floating nodes and ensuring safe, predictable power sequencing in multi-supply systems without requiring external circuitry.
TPS626765YFDT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-XFBGA, 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):
- 4.8V
- Voltage - Output (Min/Fixed):
- 1.05V
- Voltage - Output (Max):
- -
- Current - Output:
- 650mA
- Frequency - Switching:
- 6MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-DSBGA
TPS626765YFDT FAQ
1.How can I place an order for TPS626765YFDT through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS626765YFDT 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 TPS626765YFDT reliable?
The price and inventory of TPS626765YFDT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS626765YFDT is usually 5 days.
3.What payment methods are accepted for TPS626765YFDT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS626765YFDT transactions.
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4.How is shipping managed for TPS626765YFDT?
TPS626765YFDT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS626765YFDT 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 TPS626765YFDT?
For technical support, including TPS626765YFDT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS626765YFDT requirements.
6.How does Aetrix verify that TPS626765YFDT is sourced from the original manufacturer or authorized distributors?
All TPS626765YFDT 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 TPS626765YFDT meets industry standards.
7.What is the process for return or replacement of TPS626765YFDT?
All TPS626765YFDT units undergo pre-shipment inspection (PSI). If there is an issue with TPS626765YFDT, 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 TPS626765YFDT part is unused and in its original packaging.
Return procedure for TPS626765YFDT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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