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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsTPS62693YFDR
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TPS62693YFDR - Texas Instruments

Manufacturer Part Number
TPS62693YFDR
Manufacturer
Texas Instruments
Allelco Part Number
98D-TPS62693YFDR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
35,120 pcs available, New & Original
Parts Description
IC REG BUCK 2.85V 800MA 6DSBGA
Package
6-DSBGA
Data sheet
TPS62693YFDR.pdf

HTML Datasheet

TPS6269x.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 35120
  • Unit Price: $0.696
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.696 $0.70
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TPS62693YFDR Tech Specifications
Texas Instruments - TPS62693YFDR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS62693YFDR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Output (Min/Fixed) 2.85V
Voltage - Output (Max) -
Voltage - Input (Min) 2.3V
Voltage - Input (Max) 4.8V
Topology Buck
Synchronous Rectifier Yes
Supplier Device Package 6-DSBGA
Series -
Package / Case 6-XFBGA, DSBGA
Product Attribute Attribute Value
Package Tape & Reel (TR)
Output Type Fixed
Output Configuration Positive
Operating Temperature -40°C ~ 85°C (TA)
Number of Outputs 1
Mounting Type Surface Mount
Function Step-Down
Frequency - Switching 3MHz
Current - Output 800mA
Base Product Number TPS62693

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

How does the TPS62693YFDR compare to other synchronous buck regulators in terms of efficiency at light load conditions, and what design considerations should be made for battery-powered applications?
The TPS62693YFDR achieves peak efficiency around 94% at typical operating loads due to its integrated high-side and low-side MOSFETs with low RDS(on). At light loads, it enters pulse-skipping mode to maintain high efficiency while minimizing quiescent current. Compared to asynchronous buck converters, this synchronous configuration reduces conduction losses and improves efficiency by 5–8% under medium-to-heavy loads. For battery-powered designs using Li-ion or alkaline cells, the device’s 2.3V minimum input voltage allows full utilization of discharged batteries, extending usable runtime. Engineers should ensure proper PCB layout to minimize parasitic inductance in the power path, as switching frequency remains fixed at 3MHz—this requires careful attention to trace length and grounding to avoid EMI issues.
What are the key thermal and packaging implications when integrating the TPS62693YFDR into a compact industrial sensor node, and how does its Moisture Sensitivity Level (MSL) affect assembly scheduling?
With a maximum junction temperature of +150°C and an ambient operating range of -40°C to +85°C, the TPS62693YFDR is suitable for harsh environmental deployments such as industrial automation or remote monitoring nodes. Its 6-DSBGA package offers a footprint under 1 mm², enabling miniaturization critical for space-constrained applications. However, the small size limits exposed copper area for heat dissipation, so thermal performance relies heavily on effective PCB copper pour and vias. As an MSL 1 device, the TPS62693YFDR has unlimited floor life and can be stored indefinitely before reflow, simplifying supply chain logistics and reducing risk of moisture-related defects during soldering.
Can the TPS62693YFDR be used as a replacement for linear regulators in space-constrained portable devices, and what trade-offs exist between switching noise and output ripple?
Yes, the TPS62693YFDR is well-suited to replace linear regulators like LDOs in applications where efficiency and board area matter more than ultra-low noise. Unlike linear regulators that dissipate excess voltage as heat, the TPS62693YFDR achieves superior efficiency by converting power via switching, making it ideal for battery-powered devices. However, due to its 3MHz switching frequency, designers must account for conducted and radiated emissions near sensitive analog circuits. Output ripple typically measures around 20–30 mVpp under full load with a 10-µH inductor and 22-µF ceramic capacitor; adding a small LC filter post-regulation may be necessary for precision measurement systems.
How does the fixed 2.85V output voltage of the TPS62693YFDR impact compatibility with modern microcontrollers, and what alternatives exist if the target system requires a different rail voltage?
The fixed 2.85V output aligns with common microcontroller core voltages in low-power embedded systems, particularly those using older or specialized MCUs requiring slightly above standard 2.5V rails. This eliminates the need for external feedback networks, reducing component count and improving stability. If a different output voltage is needed, alternative parts in the TPS62693 family—such as adjustable variants—can be considered. Alternatively, cascading the regulator with another converter or using a programmable DC-DC module may provide flexibility, though at the cost of increased complexity and potential efficiency loss.
What are the implications of the TPS62693YFDR’s 3MHz switching frequency on electromagnetic interference (EMI) design, and how should decoupling capacitors be selected to ensure stable operation?
Operating at 3MHz places the TPS62693YFDR in a frequency band that is less prone to interfering with RF subsystems compared to lower frequencies, but it still demands careful PCB layout to control conducted emissions. High dI/dt loops must be minimized to reduce loop area and thus radiation. Input and output capacitors should be placed within 1 mm of the IC pins, using X7R or X5R dielectric ceramics rated for at least 6.3V. A typical configuration uses one 1-µF input cap and one 22-µF output cap; bulk capacitance helps maintain stability during transient loads. Avoid placing vias near switching nodes to prevent ground bounce and instability.
Is it feasible to parallel multiple TPS62693YFDR units to increase total output current, and what challenges would arise in doing so?
Directly paralleling two TPS62693YFDR devices is not recommended without significant additional circuitry. While both share the same 3MHz switching frequency, their internal phase alignment is undefined, leading to current imbalance and potential shoot-through conditions. Even with external synchronization, impedance mismatches between traces and components can cause one regulator to dominate load sharing. Instead, engineers should use higher-current buck solutions designed for multi-phase operation or add current-sharing resistors and balancing networks at considerable cost and efficiency penalty. Thus, redesigning the power stage to accommodate a single, higher-current converter is generally preferable.
How does the TPS62693YFDR handle start-up behavior, and what precautions are necessary when interfacing it with microcontrollers that require controlled power sequencing?
The TPS62693YFDR features soft-start functionality that limits inrush current and prevents voltage overshoot during power-up, which is essential when driving capacitive loads. Start-up time is typically 50–100 µs depending on output capacitance and load. When coordinating with microcontrollers, ensure that the enable pin (EN) is asserted only after stable input voltage is present, and avoid asserting reset or clock signals too early. Some MCUs require delayed enable assertion; in such cases, adding a small RC delay network on the EN line ensures reliable sequencing without firmware overhead.
What role does the synchronous rectification feature play in extending battery life in handheld medical devices using the TPS62693YFDR?
Synchronous rectification replaces the traditional diode-based freewheeling path with a low-RDS(on) MOSFET, drastically reducing conduction losses—especially at higher input voltages. In a handheld glucose monitor powered by a single-cell Li-ion battery (3.0–4.2V), this translates to measurable improvements in overall system efficiency. Over a discharge cycle from 4.2V to 2.8V, the TPS62693YFDR maintains >90% efficiency across most of the range, whereas an equivalent asynchronous design might drop below 80%. This directly extends battery life, allowing smaller batteries or extended operational time between charges—critical in portable diagnostics.
Are there any known limitations in using the TPS62693YFDR with wide-input-voltage sources such as supercapacitor-backed backup systems?
The TPS62693YFDR supports input voltages up to 4.8V, making it compatible with many supercapacitor backup configurations (e.g., 2.7V nominal, up to 5.5V peak). However, during brownout conditions, input droop can cause brief periods where VIN falls below 2.3V, forcing the regulator into dropout and potentially disrupting downstream logic. To mitigate this, designers should include bulk capacitance close to the input and possibly implement a secondary LDO for critical rails if tighter regulation is required during transients. Additionally, ensure reverse polarity protection isn’t compromised by using Schottky diodes or load switches rated for the expected voltage swing.
How does the absence of external compensation affect stability analysis, and what design verification steps are recommended before production deployment?
The TPS62693YFDR employs an internally compensated architecture optimized for common inductor-capacitor combinations, eliminating the need for external feedback resistors or compensation networks. This simplifies layout but requires adherence to TI-recommended BOM values for stability. Before production, perform AC analysis using a network analyzer or step-load testing to confirm phase margin exceeds 45° at unity gain. Also verify transient response with a square-wave load step (e.g., 10% to 90% of 800mA) to ensure undershoot/overshoot remains within ±5% of nominal. These tests validate that the chosen inductor (typically 4.7–10 µH) and output capacitor meet the stability criteria outlined in the application notes.
What distinguishes the TPS62693YFDR from other buck converters in terms of footprint and integration level for wearable health monitors?
Compared to SOIC or QFN-packaged regulators, the TPS62693YFDR’s 6-DSBGA package occupies less than half the area of a standard 8-pin DSBGA while offering similar pinout density. Its monolithic integration of control logic, drivers, and power stages reduces external component count by up to 60%, which is vital in wearables constrained by form factor and manufacturing cost. The lack of exposed pads also enhances reliability under flex stress, though solder joint inspection becomes more challenging. When paired with MEMS sensors and BLE modules, this integration enables compact, low-profile designs suitable for wristbands or patches.
How should the TPS62693YFDR be handled during automated pick-and-place assembly, given its tiny ball pitch and susceptibility to damage?
The TPS62693YFDR comes in Tape & Reel (TR) packaging compliant with IPC standards, facilitating high-speed SMT processing. Ball pitch is typically 0.4 mm, requiring Class 3 pick-and-place machines with vision alignment capabilities. Nozzle selection should match pad size precisely to avoid bridging or misalignment. Since it is an MSL 1 device, no dry baking is required prior to use, but handling should minimize mechanical shock. Post-assembly, automated optical inspection (AOI) can detect tombstoning or insufficient wetting, especially important given the small solder joint geometry.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS62693YFDR

Product Attribute TPS62693YFDT TPS62692YFDR TPS62690YFFR TPS62697YFFT
Part Number TPS62693YFDT TPS62692YFDR TPS62690YFFR TPS62697YFFT
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Output Configuration - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Series - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Number of Outputs - - - -
Topology - - - -
Frequency - Switching - - - -
Voltage - Input (Min) - - - -
Current - Output - - - -
Voltage - Output (Max) - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Base Product Number - DAC34H84 MAX500 ADS62P42
Mounting Type - Surface Mount Through Hole Surface Mount
Voltage - Input (Max) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Synchronous Rectifier - - - -
Function - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Output (Min/Fixed) - - - -

TPS62693YFDR Datasheet PDF

Download TPS62693YFDR pdf datasheets and Texas Instruments documentation for TPS62693YFDR - Texas Instruments.

PCN Design/Specification
DSBGA/uSIP 22/Jun/2016.pdf DSBGA/Usip 14/Sep/2016.pdf
PCN Packaging
Carrier Tape 28/Aug/2018.pdf WCSP Pin Indicator 15/Jan/2021.pdf
HTML Datasheet
TPS6269x.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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2.00kg-3.00kg USD$50.00 - USD$100.00
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TPS62693YFDR Image

TPS62693YFDR

Texas Instruments
98D-TPS62693YFDR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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