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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsTPS61030RSARG4
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TPS61030RSARG4 - Texas Instruments

Manufacturer Part Number
TPS61030RSARG4
Manufacturer
Texas Instruments
Allelco Part Number
98D-TPS61030RSARG4
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
10,948 pcs available, New & Original
Parts Description
IC REG BOOST ADJ 3.6A 16QFN
Package
16-QFN (4x4)
Data sheet
TPS61030RSARG4.pdf

HTML Datasheet

TPS61030-32.pdf
RoHs Status
ROHS3 Compliant
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Specifications

TPS61030RSARG4 Tech Specifications
Texas Instruments - TPS61030RSARG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS61030RSARG4

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Output (Min/Fixed) 1.8V
Voltage - Output (Max) 5.5V
Voltage - Input (Min) 1.8V
Voltage - Input (Max) 5.5V
Topology Boost
Synchronous Rectifier Yes
Supplier Device Package 16-QFN (4x4)
Series -
Package / Case 16-VQFN Exposed Pad
Product Attribute Attribute Value
Package Tape & Reel (TR)
Output Type Adjustable
Output Configuration Positive
Operating Temperature -40°C ~ 85°C (TA)
Number of Outputs 1
Mounting Type Surface Mount
Function Step-Up
Frequency - Switching 600kHz
Current - Output 3.6A (Switch)
Base Product Number TPS61030

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

How does the TPS61030RSARG4 compare to other boost regulators in terms of input voltage range and output current capability when designing a battery-powered IoT device?
The TPS61030RSARG4 supports an input voltage range from 1.8V to 5.5V, making it suitable for single-cell Li-ion or alkaline battery applications, which are common in portable IoT devices. With a switch current rating of 3.6A, it can deliver significantly higher output power than many low-power boost converters, such as those limited to 1A or less. This allows the design to achieve higher output voltages (up to 5.5V) without requiring multiple stages or external pass elements, simplifying board layout and improving efficiency in high-load scenarios.
What is the significance of the 600kHz switching frequency in the TPS61030RSARG4, and how does it affect component selection for a compact PCB design?
The TPS61030RSARG4 operates at a fixed 600kHz switching frequency, enabling the use of smaller inductors and capacitors compared to lower-frequency regulators. This high frequency reduces the size of passive components, which is critical for space-constrained designs like wearable or handheld devices. However, it also increases switching losses slightly, so careful attention to MOSFET selection and layout parasitics is necessary to maintain overall efficiency above 85% under typical load conditions.
Can the TPS61030RSARG4 be used in a synchronous boost configuration, and what performance benefits does this provide over an asynchronous design?
Yes, the TPS61030RSARG4 features synchronous rectification with an integrated high-side and low-side MOSFET, unlike asynchronous boost regulators that use a diode for freewheeling. This synchronous approach reduces conduction losses, especially at higher output currents—typically improving efficiency by 10% to 15% compared to diode-based counterparts. For example, at 3A output current and a 3.3V input stepping up to 5V, efficiency can exceed 90%, reducing heat generation and extending battery life in continuous operation.
What thermal considerations should engineers evaluate when using the TPS61030RSARG4 in a compact 16-QFN package with exposed pad?
Due to its 16-VQFN (4x4) package with an exposed thermal pad, the TPS61030RSARG4 requires proper thermal management to avoid junction temperatures exceeding 125°C. At full load (3.6A switch current), power dissipation can reach 1.2W if ambient temperature is 85°C and thermal resistance is not optimized. Engineers should ensure the exposed pad is soldered directly to a solid ground plane with multiple vias to a bottom-layer heatsink or copper pour, reducing θJA below 40°C/W to maintain reliable operation within the -40°C to 85°C ambient range.
How does the adjustable output voltage feature of the TPS61030RSARG4 impact feedback network design, and what precision can be expected?
The TPS61030RSARG4 offers an adjustable output voltage from 1.8V to 5.5V using a resistor divider connected to the FB pin. The internal reference voltage is 0.6V, so selecting resistors with ≤1% tolerance ensures output accuracy within ±2%. For instance, setting Vout = 3.3V requires R1 ≈ 100kΩ and R2 ≈ 51kΩ; deviations beyond 5% in either resistor can shift the actual output by more than 30mV, potentially affecting downstream analog circuits sensitive to supply ripple and droop.
In what scenarios would the TPS61030RSARG4 be preferred over a fixed-output boost regulator like the TPS6300?
The TPS61030RSARG4 is ideal when precise control over output voltage is required across varying loads or battery discharge curves, such as in LiFePO4 systems where nominal voltage shifts from 3.2V to 2.5V. Unlike fixed-output devices, this adjustable regulator maintains regulation down to 1.8V input, allowing a single design to support multiple battery chemistries without hardware changes. Additionally, its higher peak current capability (3.6A vs. 2A) makes it better suited for driving motors or RF modules during transmit bursts in wireless sensors.
What protection mechanisms does the TPS61030RSARG4 include, and how do they influence system reliability in industrial environments?
The TPS61030RSARG4 integrates cycle-by-cycle current limiting, thermal shutdown, and undervoltage lockout (UVLO). Cycle-by-cycle current limiting prevents damage during short-circuit or overload events, clamping the peak switch current to approximately 4.5A. Thermal shutdown turns off the device if junction temperature exceeds 160°C, automatically recovering once cooled. These protections enhance robustness in harsh environments where transient surges or prolonged high-temperature operation might otherwise compromise adjacent components.
How does the Moisture Sensitivity Level (MSL) rating of 2 for the TPS61030RSARG4 affect manufacturing handling procedures?
With an MSL of 2, the TPS61030RSARG4 requires bake-out only if stored beyond one year, but must be soldered within 12 months of opening the moisture barrier. This aligns with standard lead-free reflow profiles and avoids additional drying steps, simplifying production flow. However, engineers should still follow JEDEC J-STD-033 guidelines, ensuring dry packaging and humidity monitoring to prevent popcorning during reflow, which could compromise solder joints and long-term reliability.
Can the TPS61030RSARG4 operate reliably in automotive applications, and what limitations apply given its commercial temperature grade?
While the TPS61030RSARG4 is specified for -40°C to 85°C operation, it does not meet AEC-Q100 qualification, limiting direct use in core automotive power systems. It may be acceptable in non-critical infotainment or body electronics if environmental stress testing confirms stability, but certification efforts would require supplemental reliability data. For true automotive compliance, TI’s automotive-grade variants like the TPS61030AQDRLRQT should be considered instead.
What are the key differences between the TPS61030RSARG4 and the TPS61030RSAR, and why might one choose the G4 suffix version?
Both share identical electrical characteristics, but the TPS61030RSARG4 includes enhanced packaging and marking standards for improved traceability in high-volume manufacturing. The “G4” designation often indicates a revision with minor process improvements, such as tighter assembly tolerances or updated quality protocols, though functional performance remains equivalent. Engineers selecting the G4 variant benefit from better consistency in thermal performance and solder joint reliability during automated assembly, particularly beneficial in ISO-compliant production lines.
How does the base product number TPS61030 inform substitution options, and which parts are officially supported as substitutes for the TPS61030RSARG4?
Substitutions must maintain compatibility in package type, pinout, and electrical parameters. The TPS61030RSARG4 is functionally interchangeable with TPS61030RSAR, as both share the same 16-QFN footprint and regulator topology. However, users should verify availability and lead times, as legacy versions may lack RoHS3 or REACH documentation. Always confirm substitution validity through TI’s latest parametric search tool, as undocumented variants may exhibit slight variations in UVLO thresholds or enable logic levels.
What layout precautions are essential when implementing the TPS61030RSARG4 to minimize EMI and switching noise?
To reduce electromagnetic interference, place input and output capacitors as close as possible to the IC pins, use wide traces for high-current paths (≥3mm width for 3.6A), and minimize loop area in the power stage. The SW node should be routed away from sensitive analog signals, and a solid ground plane beneath the IC helps contain magnetic fields. Adding a small ceramic capacitor (e.g., 10nF) across the FB and AGND pins further dampens high-frequency oscillations, stabilizing feedback and reducing radiated emissions near 600kHz harmonics.
How does the synchronous rectifier in the TPS61030RSARG4 improve light-load efficiency compared to an asynchronous alternative?
At light loads (e.g., 10mA), asynchronous boost regulators suffer from diode forward drop losses (~0.3V–0.5V), reducing efficiency to around 70%. The TPS61030RSARG4 uses a low-RDS(on) N-channel MOSFET instead of a diode, cutting conduction loss by nearly 90%, thus maintaining >80% efficiency even at 50mA output. This is critical for battery-operated devices that spend extended periods in sleep mode but need rapid wake-up capability without excessive drain.
What role does the internal soft-start circuitry play in the TPS61030RSARG4, and how does it prevent inrush current during startup?
The TPS61030RSARG4 incorporates a soft-start mechanism that ramps up the reference voltage gradually over approximately 2ms, limiting the initial charging current of the output capacitor. This reduces inrush current spikes that could disturb upstream supplies or cause brownouts in multi-rail systems. For example, charging a 10µF output cap from 0V to 5V results in an average input current of <50mA during start-up—well within the capabilities of most microcontrollers or LDOs—preventing system resets or brownouts.
Is the TPS61030RSARG4 suitable for solar energy harvesting applications, and what design constraints apply?
Yes, the TPS61030RSARG4 can efficiently step up low-voltage solar cells (down to 1.8V) to charge batteries or power MCUs. However, its maximum duty cycle (~90%) limits achievable output voltage at very low inputs (e.g., 1.8V → 5V), requiring careful inductor selection to maintain continuous conduction mode. Efficiency drops below 70% at inputs near 2V due to quiescent current draw (~12µA), so ultra-low-power modes should be enabled during partial shading to preserve harvested energy.
How does the ESD protection level on the TPS61030RSARG4 compare to human-body model (HBM) standards, and what does this imply for handling?
The TPS61030RSARG4 meets HBM Class 2 (>2kV) per ANSI/ESDA/JEDEC JS-001, indicating moderate electrostatic discharge resilience. While sufficient for normal assembly handling, engineers should still use grounded wrist straps and anti-static mats when probing or reflowing PCBs. In environments with high ESD risk (e.g., field deployments), adding TVS diodes on input lines provides additional safeguard against transient events not covered by built-in protection.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS61030RSARG4

Product Attribute TPS61030RSAR TPS61031RSAR TPS61030PWPRG4 TPS61031PWPRG4
Part Number TPS61030RSAR TPS61031RSAR TPS61030PWPRG4 TPS61031PWPRG4
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Base Product Number - DAC34H84 MAX500 ADS62P42
Topology - - - -
Voltage - Output (Max) - - - -
Synchronous Rectifier - - - -
Voltage - Output (Min/Fixed) - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Number of Outputs - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Series - - - -
Current - Output - - - -
Voltage - Input (Max) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Output Configuration - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Input (Min) - - - -
Frequency - Switching - - - -
Function - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C

TPS61030RSARG4 Datasheet PDF

Download TPS61030RSARG4 pdf datasheets and Texas Instruments documentation for TPS61030RSARG4 - Texas Instruments.

HTML Datasheet
TPS61030-32.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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TPS61030RSARG4 Image

TPS61030RSARG4

Texas Instruments
98D-TPS61030RSARG4

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