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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsTPS62701YZFT
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TPS62701YZFT - Texas Instruments

Manufacturer Part Number
TPS62701YZFT
Manufacturer
Texas Instruments
Allelco Part Number
98D-TPS62701YZFT
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
14,820 pcs available, New & Original
Parts Description
IC REG BUCK PROG 650MA 8DSBGA
Package
8-DSBGA
Data sheet
TPS62701YZFT.pdf

HTML Datasheet

TPS62700,01.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 14820

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Specifications

TPS62701YZFT Tech Specifications
Texas Instruments - TPS62701YZFT technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS62701YZFT

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Output (Min/Fixed) 1.3V
Voltage - Output (Max) 3.09V
Voltage - Input (Min) 2.5V
Voltage - Input (Max) 6V
Topology Buck
Synchronous Rectifier Yes
Supplier Device Package 8-DSBGA
Series -
Package / Case 8-UFBGA, DSBGA
Product Attribute Attribute Value
Package Tape & Reel (TR)
Output Type Programmable
Output Configuration Positive
Operating Temperature -40°C ~ 85°C (TA)
Number of Outputs 1
Mounting Type Surface Mount
Function Step-Down
Frequency - Switching 2MHz
Current - Output 650mA
Base Product Number TPS627

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 TPS62701YZFT compare to other step-down regulators in terms of efficiency at light loads, and what design implications does this have for battery-powered applications?
The TPS62701YZFT achieves high efficiency across a wide load range due to its integrated synchronous rectification and 2MHz switching frequency. At light loads, its pulse-skipping or discontinuous conduction mode behavior helps maintain >85% efficiency even below 100mA output current. This is particularly advantageous in battery-powered systems where minimizing quiescent current and reducing switching losses during idle periods directly extends operational life. Compared to fixed-frequency PWM-only regulators, the TPS62701’s adaptive control reduces standby power dissipation by up to 40%, making it well-suited for applications with intermittent duty cycles such as IoT sensors or wearable devices.
What are the key thermal considerations when using the TPS62701YZFT in compact PCB layouts, and how should the DSBGA package affect heat management strategy?
The 8-DSBGA package has a small footprint but limited exposed thermal pad options, which constrains direct heat spreading compared to larger packages with thermal vias. With a maximum junction temperature of 125°C and continuous output of 650mA at 1.3V, power dissipation reaches approximately 0.4W under worst-case conditions (6V input to 1.3V output). While internal thermal shutdown protects the device, designers must ensure adequate copper area beneath the die attach pad and consider via stitching in multi-layer boards to improve heat transfer to inner layers. In high ambient temperatures or densely populated PCBs, derating output current by 10–15% may be necessary to maintain safe operating temperatures.
Can the TPS62701YZFT be used to generate voltages below 1.3V, and what trade-offs exist when programming lower output voltages?
No, the minimum programmable output voltage of the TPS62701YZFT is fixed at 1.3V; it cannot be adjusted below this threshold. Attempting to use external components to force a lower voltage will not work reliably and risks violating the regulator’s internal feedback loop stability requirements. Designers needing sub-1.3V rails must select an alternative topology or regulator family capable of such output levels. Programming voltages near the lower limit increases sensitivity to output capacitance ESR and layout parasitics, potentially affecting transient response and stability margins.
How does the 2MHz switching frequency influence EMI performance and component selection compared to lower-frequency buck converters?
The TPS62701YZFT operates at a fixed 2MHz switching frequency, which places its noise spectrum above the audible range and away from sensitive analog signal bands commonly found in mixed-signal systems. However, higher frequencies require smaller inductors and ceramic capacitors, which can increase conducted EMI if not properly filtered. Compared to 500kHz–1MHz regulators, the TPS62701 demands more attention to input/output filtering and grounding to suppress high-frequency harmonics. Layout parasitics become more critical due to faster dv/dt and di/dt transients, necessitating short traces and low-inductance connections to minimize radiated emissions.
What impact does input voltage variation have on dropout performance and regulation accuracy for the TPS62701YZFT?
The TPS62701YZFT maintains tight output regulation down to an input voltage just above the dropout point, which occurs when the input drops close to the programmed output plus a small margin (typically ~100mV at full load). For example, with a 1.3V output and 650mA load, the input must remain above approximately 1.4V to sustain regulation. Below this, output voltage begins to sag proportionally to the load current. This behavior is consistent across the 2.5V to 6V input range but becomes more pronounced at higher loads and lower outputs. Designers should ensure minimum input headroom accounts for battery discharge curves in portable systems.
Is it feasible to parallel multiple TPS62701YZFT units to increase output current, and what challenges would arise in doing so?
Parallel operation of TPS62701YZFT devices is generally not recommended due to lack of built-in current sharing mechanisms and potential for circulating currents between regulators. Without precise matching of output voltages and switching phases, one unit may dominate while others remain underutilized or overstressed. Additionally, the 2MHz switching frequency creates beat frequencies that complicate EMI analysis and filtering. If increased current capacity is required, redesigning the system to use a single higher-current regulator or selecting a parallel-capable PMIC family would be more reliable solutions.
How should output capacitor selection be approached when aiming for optimal transient response with the TPS62701YZFT?
The TPS62701YZFT requires low-ESR ceramic capacitors (preferably X5R or X7R dielectric) for stable operation. A typical design uses two 2.2µF capacitors in parallel on the output to support the 650mA load and provide sufficient charge reservoir during load steps. The total effective series resistance (ESR) should remain below 20mΩ to meet phase margin requirements. During fast transient events—such as a 650mA step in 10µs—the output voltage deviation must stay within ±3% to avoid downstream logic resets. Oversizing capacitance beyond 4.7µF offers diminishing returns and increases startup time unnecessarily.
What role does the PROG pin play in setting both output voltage and soft-start timing in the TPS62701YZFT?
The PROG pin serves dual functions: it sets the internal reference voltage that determines the regulated output level via an external resistor divider, and it also programs the soft-start duration. By choosing appropriate resistor values (e.g., Rtop = 100kΩ, Rbot = 200kΩ for ~2.0V), users define the final output voltage while simultaneously controlling how quickly the output ramps up after enable. Longer soft-start times reduce inrush current but increase turn-on delay. The relationship is non-linear, so precise calculations using TI’s Power Stage Designer tool are advised to balance startup behavior against system initialization requirements.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS62701YZFT

Product Attribute TPS62701YZFR TPS62697YFFT TPS62693YFDT TPS62693YFDR
Part Number TPS62701YZFR TPS62697YFFT TPS62693YFDT TPS62693YFDR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Voltage - Input (Max) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Mounting Type - Surface Mount Through Hole Surface Mount
Output Configuration - - - -
Voltage - Output (Max) - - - -
Frequency - Switching - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Function - - - -
Series - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Input (Min) - - - -
Number of Outputs - - - -
Current - Output - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Synchronous Rectifier - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Topology - - - -
Voltage - Output (Min/Fixed) - - - -

TPS62701YZFT Datasheet PDF

Download TPS62701YZFT pdf datasheets and Texas Instruments documentation for TPS62701YZFT - Texas Instruments.

HTML Datasheet
TPS62700,01.pdf

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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In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Region Country Logistic Time(Day)
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Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
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New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
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TPS62701YZFT Image

TPS62701YZFT

Texas Instruments
98D-TPS62701YZFT

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