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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearTPS7A2050PDQNR
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TPS7A2050PDQNR - Texas Instruments

Manufacturer Part Number
TPS7A2050PDQNR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TPS7A2050PDQNR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
220,190 pcs available, New & Original
Parts Description
300-MA, ULTRA-LOW-NOISE, LOW-IQ,
Package
4-X2SON (1x1)
Data sheet
TPS7A2050PDQNR.pdf

PCN Design/Specification

TPS7A20 17/Dec/2021.pdf
RoHs Status
 
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Our certification
In stock: 220190
  • Unit Price: $0.14
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
5+ $0.14 $0.70
50+ $0.113 $5.65
150+ $0.102 $15.30
500+ $0.087 $43.50
3000+ $0.079 $237.00
6000+ $0.075 $450.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TPS7A2050PDQNR Tech Specifications
Texas Instruments - TPS7A2050PDQNR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS7A2050PDQNR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage Dropout (Max) 0.14V @ 300mA
Voltage - Output (Min/Fixed) 5V
Voltage - Output (Max) -
Voltage - Input (Max) 6V
Supplier Device Package 4-X2SON (1x1)
Series -
Protection Features Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Package / Case 4-XDFN Exposed Pad
Package Tape & Reel (TR)
Product Attribute Attribute Value
PSRR 65dB ~ 40dB (100Hz ~ 1MHz)
Output Type Fixed
Output Configuration Positive
Operating Temperature -40°C ~ 125°C (TJ)
Number of Regulators 1
Mounting Type Surface Mount
Current - Quiescent (Iq) 15 µA
Current - Output 300mA
Control Features Enable

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status Not applicable
Moisture Sensitivity Level (MSL) 1 (Unlimited)
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

TPS7A2050PDQNR Image
TPS7A2050PDQNR (1)

Manufacturer Part Number

TPS7A2050PDQNR

Manufacturer

texas-instruments

Introduction

The TPS7A2050PDQNR is a high-performance, low-dropout (LDO) linear voltage regulator from Texas Instruments. It is designed to provide a stable and efficient power supply for a wide range of electronic devices and applications.

Product Features and Performance

Voltage Input Range: 6V (max)

Voltage Output: 5V fixed

Voltage Dropout: 0.14V @ 300mA

Output Current: 300mA

Quiescent Current: 15 µA

PSRR: 65dB ~ 40dB (100Hz ~ 1MHz)

Control Features: Enable

Protection Features: Over Current, Over Temperature, Under Voltage Lockout (UVLO)

Operating Temperature: -40°C to 125°C (TJ)

Product Advantages

Stable and reliable power supply

Efficient operation with low power consumption

Advanced protection features for safety and reliability

Compact surface mount package for space-constrained designs

TPS7A2050PDQNR Image
TPS7A2050PDQNR (2)

Key Reasons to Choose This Product

Robust performance and reliability for critical applications

Versatile design suitable for a wide range of electronic devices

Cost-effective solution for power management needs

Backed by Texas Instruments' reputation for quality and innovation

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Under Voltage Lockout (UVLO)

Designed and manufactured to high quality standards

Compatibility

This product is compatible with a variety of electronic devices and applications that require a 5V fixed voltage regulator.

Application Areas

Portable electronics

Industrial equipment

Automotive systems

Aerospace and defense applications

Internet of Things (IoT) devices

Product Lifecycle

The TPS7A2050PDQNR is an active product, and there are no immediate plans for discontinuation. Our website's sales team may offer alternative or equivalent models in the future, but customers are advised to contact the sales team for the most up-to-date information.

Frequently Asked Questions(FAQ)

How does the TPS7A2050PDQNR compare to other low-dropout regulators in terms of quiescent current and dropout voltage at 300mA load?
The TPS7A2050PDQNR delivers a quiescent current (Iq) of just 15 µA, which is significantly lower than typical linear regulators in its class that often exceed 50 µA. This ultra-low Iq enhances efficiency in battery-powered applications. At a 300mA load, the maximum dropout voltage is 0.14V, enabling operation with minimal input-to-output differential. This combination of low Iq and tight dropout allows for longer system runtime and reduced power dissipation compared to conventional LDOs, especially when maintaining regulation under moderate load currents.
What are the key considerations when selecting the TPS7A2050PDQNR for a high-accuracy analog front-end powered by a lithium-ion battery?
For an analog front-end requiring precision, the TPS7A2050PDQNR’s 65dB PSRR at 100Hz provides excellent rejection of supply noise, minimizing voltage ripple impact on sensitive circuitry. Its fixed 5V output ensures stable bias conditions across the -40°C to 125°C operating range. Given that battery voltage can drop below 5V during discharge, the regulator must remain in dropout—this is feasible due to the 0.14V dropout at 300mA. Designers should verify that the minimum battery voltage plus dropout remains above 5V throughout the discharge cycle to maintain regulation and avoid brownouts.
Can the TPS7A2050PDQNR be used in space-constrained designs where PCB real estate is limited?
Yes, the TPS7A2050PDQNR is packaged in a compact 4-X2SON (1x1) mm device package with an exposed pad, making it ideal for space-limited applications. Despite its small footprint, the package maintains thermal performance through direct pad connection to the PCB, allowing effective heat dissipation even at 300mA output. This enables integration into portable devices such as IoT sensors or handheld medical instruments where both size and thermal management are critical.
How does the over-current protection threshold of the TPS7A2050PDQNR behave under short-circuit conditions?
The TPS7A2050PDQNR features integrated over-current protection that limits output current to approximately 300mA to 400mA, depending on temperature and input voltage. Under a hard short, this current limiting prevents excessive stress on internal components and protects downstream loads. While not intended for continuous operation at full limit, the protection mechanism ensures safe behavior during fault events. Designers should ensure that external components can handle the transient energy without damage, and consider adding additional current-limiting circuitry if higher fault tolerance is required.
What impact does the enable pin logic have on system power sequencing when using the TPS7A2050PDQNR?
The TPS7A2050PDQNR includes an active-high enable pin that allows flexible control over power-up and shutdown. When enabled, the regulator begins regulating immediately; when disabled, both output and quiescent current drop to near-zero levels, aiding in low-power modes. This feature supports precise power sequencing in multi-voltage systems, such as those involving microcontrollers or FPGAs, where controlled startup minimizes inrush current and avoids latch-up risks. The enable function also simplifies software-based power management without requiring complex external timing circuits.
Is the TPS7A2050PDQNR suitable for automotive-grade environments requiring extended temperature operation?
Yes, the TPS7A2050PDQNR operates reliably from -40°C to +125°C junction temperature, meeting stringent automotive thermal requirements. Its robust protection features—including over-temperature and under-voltage lockout—ensure continued safe operation during thermal transients. The device’s immunity to voltage dips and sustained overcurrent further enhances reliability in harsh environments. However, proper layout practices must be followed to ensure junction temperature stays within bounds under worst-case conditions, particularly during high-load scenarios near 300mA and elevated ambient temperatures.
How does the TPS7A2050PDQNR compare to switching regulators in terms of output noise and EMI for RF-sensitive applications?
Unlike switching regulators, the TPS7A2050PDQNR provides inherently low output noise due to its linear regulation topology, making it preferable for RF and precision analog subsystems. Its 65dB PSRR at low frequencies helps suppress ripple from nearby switching sources, reducing the need for extensive filtering. In contrast, buck converters typically exhibit higher conducted noise and require additional LC filters to meet similar PSRR targets. Thus, for applications like wireless sensor nodes or audio circuits, the TPS7A2050PDQNR offers superior signal integrity at the cost of slightly lower efficiency compared to optimized switchers.
What are the implications of the Moisture Sensitivity Level (MSL) 1 rating for manufacturing assembly of the TPS7A2050PDQNR?
With an MSL 1 classification, the TPS7A2050PDQNR is exempt from moisture preconditioning prior to reflow soldering, streamlining production processes and reducing handling complexity. This makes it well-suited for high-volume manufacturing environments where lead times and yield optimization are priorities. However, standard cleanroom practices still apply to prevent contamination during storage and handling. Manufacturers benefit from reduced floor time and simplified compliance documentation, especially in automated assembly lines using pick-and-place equipment calibrated for fine-pitch XDFN packages.
How does the under-voltage lockout (UVLO) feature in the TPS7A2050PDQNR protect against improper startup conditions?
The TPS7A2050PDQNR incorporates UVLO circuitry that disables the output when the input voltage falls below a safe threshold, preventing unstable operation or reverse leakage during brownout scenarios. This prevents the regulator from delivering erratic voltages that could corrupt memory or damage downstream ICs. During system startup, UVLO ensures a clean transition into regulation only after sufficient headroom exists, avoiding partial activation states that might cause logic errors. This safeguard is particularly valuable in battery-operated systems subject to sudden voltage drops.
What layout recommendations should be followed when implementing the TPS7A2050PDQNR to minimize output voltage variation?
To optimize performance of the TPS7A2050PDQNR, place input and output capacitors close to the device pins using short, wide traces. Use a solid ground plane beneath the exposed pad and ensure adequate copper area for thermal dissipation. Minimize loop inductance by routing high-frequency return paths directly under capacitor connections. A low-ESR ceramic capacitor (e.g., 10µF) at the output improves transient response, while a smaller bypass capacitor (e.g., 1µF) enhances high-frequency noise suppression. Poor layout can degrade PSRR and increase susceptibility to external interference, undermining the benefits of the device’s low-noise design.
Can multiple TPS7A2050PDQNR regulators be paralleled to increase total output current capacity?
No, the TPS7A2050PDQNR is not designed for paralleling due to its internal architecture, which lacks active current sharing mechanisms. Attempting to parallel units may result in uneven current distribution, thermal imbalance, and potential failure of one or more devices. Instead, designers should select a single regulator capable of supporting the required current or use a higher-current monolithic solution. Paralleling introduces additional complexity in feedback stability, compensation, and protection coordination, making it impractical and potentially hazardous.
How does the fixed 5V output of the TPS7A2050PDQNR affect flexibility in voltage scaling for modern low-voltage microcontrollers?
The TPS7A2050PDQNR offers a fixed 5V output, which may necessitate level shifting or post-regulation for microcontrollers operating at 3.3V or lower. While this reduces architectural flexibility, it ensures compatibility with legacy peripherals or analog sensors requiring 5V logic levels. For new designs targeting 3.3V or 1.8V cores, pairing the TPS7A2050PDQNR with a secondary LDO or DC-DC converter adds complexity but preserves the benefits of clean 5V rails for specific subsystems. Alternatively, choosing a programmable or adjustable-output LDO may better align with evolving voltage requirements.
What role does the exposed pad play in the thermal performance of the TPS7A2050PDQNR?
The exposed pad on the TPS7A2050PDQNR serves as a primary thermal interface, allowing direct heat transfer from the die to the PCB copper layer. By soldering the pad to a thermally enhanced land pattern with multiple vias, designers can significantly reduce junction-to-ambient thermal resistance. This capability is essential for sustaining 300mA output continuously under elevated ambient temperatures, as power dissipation reaches up to 0.3W (P = (Vin - Vout) × Iout). Without adequate thermal coupling, internal temperatures may exceed limits, triggering over-temperature shutdown or compromising reliability.
How does the TPS7A2050PDQNR compare to the TPS7A2050PDQNREP variant in terms of industrial vs. commercial grade operation?
The TPS7A2050PDQNR is specified for industrial temperature range (-40°C to 125°C), while the TPS7A2050PDQNREP is qualified for extended industrial/ automotive use with stricter electrical and mechanical tests. Both share identical electrical characteristics, but the EP version undergoes enhanced screening for long-term reliability in mission-critical systems. Unless automotive certification or extended warranty is required, the base PDQNR suffices for most industrial applications. Selection depends on end-use environment, regulatory standards, and qualification overhead rather than performance differences.
What precautions should be taken regarding input capacitance when using the TPS7A2050PDQNR near its maximum input voltage?
The TPS7A2050PDQNR supports input voltages up to 6V, so any input capacitor must withstand this voltage with appropriate derating. Using a ceramic capacitor rated for at least 10V ensures margin under transient spikes or battery undervoltage recovery. Additionally, large bulk capacitance (>100µF) near the input can create slow-start conditions or inrush current challenges during hot-plug events. If present, soft-start or current-limited charging circuits may be needed to protect upstream power sources and prevent nuisance tripping of fuses or protection circuits.
Why might the TPS7A2050PDQNR be preferred over discrete LDO implementations in modular designs?
Integrating the TPS7A2050PDQNR reduces board space, component count, and assembly cost compared to discrete solutions requiring external pass transistors, drivers, and protection diodes. Its built-in UVLO, over-current, and over-temperature safeguards eliminate the need for discrete equivalents, lowering design risk and validation effort. Furthermore, its ultra-low IQ and stable operation over temperature simplify thermal analysis and improve system predictability. For mass-produced modules, this integration accelerates time-to-market while enhancing robustness and manufacturability.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS7A2050PDQNR

Product Attribute TPS7A2045PDQNR TPS7A2036PDQNR TPS7A2050PDBVR TPS7A2042PDQNR
Part Number TPS7A2045PDQNR TPS7A2036PDQNR TPS7A2050PDBVR TPS7A2042PDQNR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
PSRR - - - -
Output Configuration - - - -
Number of Regulators - - - -
Voltage Dropout (Max) - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Voltage - Input (Max) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Protection Features - - - -
Voltage - Output (Min/Fixed) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
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)
Current - Output - - - -
Current - Quiescent (Iq) - - - -
Voltage - Output (Max) - - - -
Series - - - -
Control Features - - - -

TPS7A2050PDQNR Datasheet PDF

Download TPS7A2050PDQNR pdf datasheets and Texas Instruments documentation for TPS7A2050PDQNR - Texas Instruments.

PCN Design/Specification
TPS7A20 17/Dec/2021.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • 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.

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TPS7A2050PDQNR Image

TPS7A2050PDQNR

Texas Instruments
32D-TPS7A2050PDQNR

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

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