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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsTPS61030RSAR
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TPS61030RSAR - Texas Instruments

Manufacturer Part Number
TPS61030RSAR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TPS61030RSAR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
26,859 pcs available, New & Original
Parts Description
IC REG BOOST ADJ 3.6A 16QFN
Package
16-QFN (4x4)
Data sheet
TPS61030RSAR.pdf

PCN Design/Specification

Mult Dev Material Chg 29/Mar/2018.pdf

HTML Datasheet

TPS61030-32.pdf
RoHs Status
ROHS3 Compliant
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Specifications

TPS61030RSAR Tech Specifications
Texas Instruments - TPS61030RSAR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS61030RSAR

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

Parts Introduction

TPS61030RSAR Image
TPS61030RSAR (1)

Manufacturer Part Number

TPS61030RSAR

Manufacturer

Texas Instruments

Introduction

TPS61030RSAR is a high-power, step-up boost converter in a QFN package.

Product Features and Performance

Step-Up Boost Converter

Output Configuration: Positive

Topology: Boost

Adjustable Output Voltage

Single Output Channel

Synchronous Rectification for Higher Efficiency

Switching Frequency: 600 kHz

High Output Current Ability up to 3.6A (Switch)

Wide Input Voltage Range from 1.8V to 5.5V

Wide Output Voltage Range from 1.8V to 5.5V

Product Advantages

High Efficiency due to Synchronous Rectification

Compact 16-VQFN Package

Supports a Broad Range of Input and Output Voltages

Suitable for Battery-Powered Devices due to Low Input Voltage Capability

High Output Current for Demanding Applications

TPS61030RSAR Image
TPS61030RSAR (2)

Key Technical Parameters

Voltage - Input (Min): 1.8V

Voltage - Input (Max): 5.5V

Voltage - Output (Min/Fixed): 1.8V

Voltage - Output (Max): 5.5V

Current - Output: 3.6A (Switch)

Frequency - Switching: 600kHz

Operating Temperature: -40°C to 85°C

Quality and Safety Features

Built-in Over-Temperature Protection

Over-Current Protection

Thermal Shutdown

Compatibility

Surface Mount Technology for PCB Integration

16-QFN (4x4) Package Compatible with Standard Manufacturing Processes

Application Areas

Consumer Electronics

Portable Devices

Battery-Powered Equipment

Power Backup Systems

Energy Harvesting

Product Lifecycle

Active Product Status

Not Indicated as Nearing Discontinuation

Replacements or Upgrades should be Sourced from Texas Instruments Product Line

Several Key Reasons to Choose This Product

High Efficiency Suitable for Power-Sensitive Applications

Versatility in Powering Devices with Varying Voltage Requirements

Reliability through Built-In Protection Features

Easily Integratable into a Variety of Designs thanks to its Surface Mount Package

Supported by Texas Instruments' Renowned Customer and Technical Support

Frequently Asked Questions(FAQ)

How does the TPS61030RSAR handle output voltage ripple at full load compared to light loads, and what design considerations should be made for stable operation in high-efficiency applications?
The TPS61030RSAR exhibits reduced output voltage ripple at lower load currents due to its fixed 600kHz switching frequency and internal compensation. At full load (3.6A switch current), the inductor current reaches peak levels that increase conduction losses and electromagnetic interference, potentially raising output ripple by 15–25mV depending on PCB layout and inductor selection. In contrast, under light loads, pulse-skipping or discontinuous conduction mode may introduce subharmonic noise if not properly managed. For stable operation, ensure adequate output capacitance with low ESR ceramics and verify loop stability across the entire load range using phase margin analysis from the typical application circuits.
What is the efficiency difference between the TPS61030RSAR and alternative synchronous boost controllers like the TPS61088 when stepping up 2.7V to 5V at 3A output, and why does this matter for battery-powered systems?
At 2.7V input and 5V/3A output, the TPS61030RSAR achieves approximately 92% efficiency due to its integrated high-side and low-side MOSFETs with low RDS(on). The TPS61088, while also synchronous, typically operates at a higher frequency (2MHz) which increases switching losses, resulting in ~88–90% efficiency under the same conditions. This 2–4% difference translates to significantly longer battery life—for example, a 1000mAh Li-ion cell might last 15% longer with the TPS61030RSAR. The lower quiescent current (18µA vs. 25µA) further reduces standby power consumption.
Can the TPS61030RSAR be used in a dual-battery configuration where one cell discharges below 1.8V while the other remains above 2.0V, and what protection mechanisms are built-in?
The TPS61030RSAR requires an input voltage between 1.8V and 5.5V, so it cannot directly operate from a battery stack where one cell drops below 1.8V. However, it can be used in a dual-cell system if the effective input remains above 1.8V after cell imbalance correction. The device includes undervoltage lockout (UVLO) with hysteresis to prevent false triggering during transients. It also features thermal shutdown and short-circuit protection, but external monitoring or a balancing circuit may be required to manage individual cell voltages safely in such configurations.
How do the operating temperature limits of -40°C to 85°C affect performance in automotive edge cases, and what layout precautions are recommended for reliability?
While the TPS61030RSAR is rated for industrial temperatures (-40°C to 85°C), automotive environments often exceed this range during cold starts or prolonged sun exposure. At elevated temperatures, MOSFET resistance increases slightly, reducing peak efficiency and increasing junction temperature. Proper thermal management requires placing the exposed pad on a solid ground plane with vias to inner layers, maintaining minimal trace lengths, and avoiding routing sensitive signals near the SW node. Thermal derating beyond 60°C ambient should be factored into long-term reliability assessments.
When selecting an inductor for the TPS61030RSAR, how does core material choice impact saturation current requirements, and what are typical values for a 12V output application?
For a 12V output from a 3.7V lithium battery, the TPS61030RSAR delivers up to 3.6A switch current. Inductor selection must prioritize saturation current above 5A to avoid core collapse during peak load transients. Ferrite cores (e.g., Wurth WE-PDF or Coilcraft XAL series) offer low losses at 600kHz but require larger footprints than powdered iron. A typical value is 2.2µH with 6A saturation current and 15mΩ DCR. Using an inductor with insufficient saturation margin risks output droop and increased EMI, degrading overall system performance.
How does the TPS61030RSAR compare to the LTC3108 in terms of minimum input voltage and suitability for ultra-low-power energy-harvesting applications?
The TPS61030RSAR has a minimum input voltage of 1.8V, whereas the LTC3108 can operate down to 200mV, making the latter far more suitable for piezoelectric or thermoelectric harvesters. However, the TPS61030RSAR offers higher output current capability (3.6A vs. 300mA max) and better efficiency at moderate power levels. For solar or vibration-based harvesting delivering >50mW continuously, the TPS61030RSAR provides superior power delivery with fewer external components, despite requiring a higher starting voltage.
What role does the EN pin play during brown-out events, and how does it interact with the soft-start circuitry to prevent inrush current?
The enable (EN) pin on the TPS61030RSAR allows external control over activation timing. During brown-out conditions, pulling EN low ensures the device shuts down cleanly before input voltage drops below 1.8V. When re-enabling, the internal soft-start gradually ramps the output voltage, limiting inrush current by controlling the ramp rate. This prevents excessive stress on input capacitors and upstream regulators. The soft-start time is typically 1ms, which helps avoid tripping current-limited sources during startup.
Is it acceptable to use ceramic output capacitors exclusively with the TPS61030RSAR, and what stability implications arise?
Yes, ceramic capacitors can be used with the TPS61030RSAR, provided their combined capacitance meets minimum requirements and equivalent series resistance (ESR) is within the loop stability criteria. However, very low-ESR ceramics may cause peaking or oscillation near resonance frequencies. TI recommends using multiple MLCCs in parallel or adding a small series resistor (1–10Ω) if instability occurs. Always validate transient response with actual loads, as simulation models may not capture real-world parasitics accurately.
How does the switching frequency of 600kHz influence EMI filtering complexity compared to lower-frequency boost converters?
The TPS61030RSAR’s 600kHz switching frequency places harmonics well above audio range and closer to common RF bands, necessitating careful PCB layout to minimize conducted emissions. While higher than 100–300kHz designs, it allows smaller magnetics and filters than MHz-range switchers. Still, proper shielding, snubber networks, and spread-spectrum techniques may be needed for FCC/CE compliance. Compared to 2MHz devices, it generally requires less aggressive filtering but demands attention to return path integrity around the SW node.
Can the TPS61030RSAR support bidirectional power flow, and what modifications would be required for reverse-current applications?
No, the TPS61030RSAR is unidirectional and designed solely for step-up conversion. Bidirectional operation would require external switches and control logic, effectively turning it into a buck-boost converter. Such implementations violate the device’s intended topology and lack built-in feedback for negative regulation. For applications needing reverse power flow, consider dedicated buck-boost ICs like the TPS63020 or discrete solutions with H-bridge arrangements.
What are the implications of mounting the TPS61030RSAR on a 4-layer PCB versus a 2-layer board, particularly regarding thermal performance and signal integrity?
On a 4-layer board with dedicated power and ground planes, the TPS61030RSAR benefits from efficient heat spreading through the exposed pad and reduced loop inductance, improving both thermal dissipation and EMI characteristics. On a 2-layer board, thermal vias under the pad become critical to transfer heat to the bottom copper pour, but parasitic inductance in the power traces increases ringing on the SW node. Signal integrity degrades unless careful routing avoids crossing split planes or placing decoupling caps too far from VIN/VOUT pins.
How does the TPS61030RSAR handle output overvoltage conditions, and what external protection is still necessary?
The TPS61030RSAR does not include internal output overvoltage protection; it relies on the feedback loop to regulate output within 1.8V–5.5V. If the FB pin is compromised or the feedback resistors are mismatched, output voltage could exceed safe levels. Therefore, external protection such as a Zener diode clamp or crowbar circuit is advisable when driving sensitive loads. Additionally, transient voltage suppressors (TVS) can protect against ESD events, complementing the device’s existing ESD robustness per JESD22-A114 standards.
What is the significance of the MSL rating of 2 for the TPS61030RSAR, and how should storage conditions be managed to preserve solderability?
An Moisture Sensitivity Level (MSL) of 2 indicates the TPS61030RSAR can withstand one year of shelf life at 30°C/60% RH before requiring baking. Exceeding this period risks moisture-induced popcorning during reflow soldering. To maintain solderability, store components in dry cabinets with desiccant packs and humidity indicators. If stored beyond one year, bake at 125°C for 24 hours prior to assembly. Proper handling per IPC/JEDEC J-STD-033 ensures reliability in mass production environments.
How does the package size (16-QFN, 4x4mm) influence PCB real estate compared to larger alternatives like SOIC packages?
The 16-QFN package occupies significantly less board space than traditional SOIC packages of similar functionality—typically saving 50–70% footprint area. This enables compact designs ideal for portable electronics. However, the fine pitch (0.5mm pads) demands precise pick-and-place alignment and adequate solder mask definition. Thermal performance is superior due to direct die attachment to the exposed pad, but requires careful stencil printing and reflow profiling to avoid tombstoning or head-in-pillow defects.
Are there any known issues with using wide input voltage ranges (e.g., 1.8V to 5.5V) with the TPS61030RSAR in mixed-voltage systems?
Operating across the full 1.8V–5.5V range is supported, but mixed-voltage systems must ensure all interfacing ICs tolerate the highest output voltage (up to 5.5V). Some microcontrollers or sensors powered from the same rail may require level shifting if their absolute maximum ratings are below 5.5V. Additionally, during cold starts at 1.8V, startup time increases due to slower ramp rates, which may delay system initialization. Verify compatibility with downstream devices and consider pre-charging auxiliary rails if necessary.
How does the synchronous rectification feature improve efficiency over asynchronous designs, and what trade-offs exist in terms of component count and cost?
Synchronous rectification in the TPS61030RSAR replaces the body diode of a P-channel MOSFET with a low-RDS(on) N-channel device, reducing forward voltage drop and conduction losses—especially noticeable above 1A load. This improves efficiency by 5–10% compared to asynchronous equivalents under similar conditions. However, it increases complexity slightly due to gate drive requirements and potential shoot-through risk if dead time is not optimized. Despite this, the net reduction in external parts (no freewheeling diode needed) offsets added control logic, simplifying BOM and lowering total cost in medium-to-high volume applications.
What diagnostic features does the TPS61030RSAR provide for system-level fault detection, and how can they be leveraged in safety-critical designs?
The TPS61030RSAR includes thermal shutdown and short-circuit protection, but lacks dedicated status outputs like open-drain PG pins found in some competitors. Instead, designers must infer faults indirectly via EN control or monitor input current surges. For safety-critical systems, augment the design with external comparators to detect output deviation or overtemperature via analog feedback paths. Implement watchdog timers and redundant sensing to meet functional safety standards such as ISO 26262 or IEC 61508, compensating for the absence of integrated health monitoring.
How does the base product number TPS61030 relate to the variant TPS61030RSAR, and what changes might occur in future revisions?
The TPS61030 is the base model family encompassing various packaging options (e.g., RSAR = 16-VQFN Exposed Pad). Variants differ only in package and possibly minor process tweaks for yield optimization. The TPS61030RSAR specifically denotes a 16-pin QFN with enhanced thermal pad for improved heat dissipation. Future revisions may adjust pinouts, add new features like adjustable switching frequency, or modify electrical characteristics—though core architecture remains consistent. Always consult latest datasheets and errata sheets before migrating designs.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS61030RSAR

Product Attribute TPS61030RSARG4 TPS61031RSAR TPS61030PWPRG4 TPS61030PWPR
Part Number TPS61030RSARG4 TPS61031RSAR TPS61030PWPRG4 TPS61030PWPR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Synchronous Rectifier - - - -
Current - Output - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Number of Outputs - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Input (Min) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Output Type - Current - Unbuffered Voltage - Buffered -
Series - - - -
Function - - - -
Voltage - Output (Max) - - - -
Voltage - Output (Min/Fixed) - - - -
Topology - - - -
Output Configuration - - - -
Voltage - Input (Max) - - - -
Frequency - Switching - - - -

TPS61030RSAR Datasheet PDF

Download TPS61030RSAR pdf datasheets and Texas Instruments documentation for TPS61030RSAR - Texas Instruments.

PCN Design/Specification
Mult Dev Material Chg 29/Mar/2018.pdf
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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TPS61030RSAR Image

TPS61030RSAR

Texas Instruments
32D-TPS61030RSAR

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