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HomeProductsIntegrated Circuits (ICs)PMIC - Power Distribution Switches, Load DriversTPS2561AQDRCTQ1
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TPS2561AQDRCTQ1 - Texas Instruments

Manufacturer Part Number
TPS2561AQDRCTQ1
Manufacturer
Texas Instruments
Allelco Part Number
32D-TPS2561AQDRCTQ1
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
24,628 pcs available, New & Original
Parts Description
IC PWR SWITCH N-CHAN 1:2 10VSON
Package
10-VSON (3x3)
Data sheet
-
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 24628
  • Unit Price: $1.453
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $1.453 $1.45
250+ $0.563 $140.75
500+ $0.543 $271.50
1000+ $0.533 $533.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TPS2561AQDRCTQ1 Tech Specifications
Texas Instruments - TPS2561AQDRCTQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS2561AQDRCTQ1

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply (Vcc/Vdd) Not Required
Voltage - Load 2.5V ~ 6.5V
Switch Type General Purpose
Supplier Device Package 10-VSON (3x3)
Series Automotive, AEC-Q100
Rds On (Typ) 44mOhm
Ratio - Input:Output 1:2
Package / Case 10-VFDFN Exposed Pad
Package Tape & Reel (TR)
Output Type N-Channel
Product Attribute Attribute Value
Output Configuration High Side
Operating Temperature -40°C ~ 125°C (TJ)
Number of Outputs 2
Mounting Type Surface Mount
Interface On/Off
Input Type Non-Inverting
Features Slew Rate Controlled, Status Flag
Fault Protection Current Limiting (Adjustable), Over Temperature, UVLO
Current - Output (Max) 2.5A
Base Product Number TPS2561

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

TPS2561AQDRCTQ1 Image
TPS2561AQDRCTQ1 (1)

Manufacturer Part Number

TPS2561AQDRCTQ1

Manufacturer

Texas Instruments

Introduction

The TPS2561AQDRCTQ1 by Texas Instruments is a power distribution switch designed for precision applications, offering power management solutions catering specifically to automotive and general-purpose requirements.

Product Features and Performance

Dual-channel power distribution switch

High-side output configuration with N-channel MOSFET

On/Off interface for simple control

Supports load voltages between 2.5V and 6.5V

Provides up to 2.5A of current output per channel

Sleek slew rate control for smoother operations

Equipped with a status flag for monitoring purposes

Features adjustable current limiting for enhanced protection

Over temperature protection ensures reliability under extreme conditions

Under Voltage Lock Out (UVLO) for safe operation

Robust 44mOhm typical Rds On for efficient power handling

Product Advantages

Precision power management suitable for harsh automotive environments

Dual-channel configuration allows for versatile power distribution strategies

Enhanced safety features including adjustable current limiting and over temperature protection

AEC-Q100 qualification guarantees automotive-grade reliability and performance

Key Technical Parameters

Voltage Load Range: 2.5V to 6.5V

Current Output (Max): 2.5A

Rds On (Typical): 44mOhm

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

AEC-Q100 qualified for automotive applications

Integrated fault protection for current, temperature, and under voltage conditions

Compatibility

Designed for surface mount applications with a compact 10-VSON (3x3) package

Application Areas

Automotive systems

Power distribution units

Embedded systems requiring precise power management

Product Lifecycle

Status: Active

Comprehensive support and availability, with no current indications of discontinuation or obsolescence

Several Key Reasons to Choose This Product

Dual-channel functionality enhances power distribution flexibility.

Automotive-grade reliability backed by AEC-Q100 qualification.

Comprehensive protection features ensure system safety under variable conditions.

High efficiency with low Rds On minimizes power loss.

Slew rate control and status monitoring capabilities provide precise control and diagnostics.

Operational across a wide temperature range, suitable for challenging environments.

Texas Instruments' reputation for quality and support guarantees product dependability.

Frequently Asked Questions(FAQ)

How does the TPS2561AQDRCTQ1 handle inrush current during load connection, and what design considerations are needed to meet automotive reliability standards?
The TPS2561AQDRCTQ1 features slew rate control that limits turn-on ramp time, reducing inrush current to protect both the load and upstream power sources. For automotive applications, this behavior must be coordinated with system-level capacitance and fault tolerance requirements to prevent nuisance tripping while ensuring compliance with AEC-Q100 stress tests. Typical designs use output capacitors below 47µF to keep inrush under 2.5A peak, aligning with the device’s 2.5A continuous rating and adjustable current limit for overload protection.
What is the impact of ambient temperature on Rds(on) for the TPS2561AQDRCTQ1, and how should thermal modeling account for it in high-current automotive environments?
While the datasheet specifies Rds(on) typ of 44mΩ at 25°C, semiconductor resistance increases with junction temperature due to carrier mobility effects. In sustained 2.5A operation at 125°C ambient, Rds(on) may rise by 20–30%, increasing conduction losses from ~275mW to over 400mW across two channels. Thermal models must include this derating when sizing PCB copper area or heatsinking, especially near hotspots where airflow is limited, as seen in sealed cabin electronics.
How does the TPS2561AQDRCTQ1 compare to discrete solutions when driving multiple loads in an automotive ECU, particularly regarding efficiency and space utilization?
Compared to using two discrete N-channel MOSFETs with external gate drivers, the TPS2561AQDRCTQ1 integrates slew control, status feedback, and fault detection into a single 10-VSON (3x3) package. This reduces board real estate by up to 60% and improves layout symmetry, lowering parasitic inductance. Efficiency gains arise from minimized propagation delay and optimized internal gate drive strength, though total system loss remains similar; integration benefits dominate in compact ECUs where routing complexity and EMI are critical concerns.
Can the TPS2561AQDRCTQ1 operate without a dedicated Vcc supply, and what constraints apply when powered directly from the load voltage rail?
Yes, the TPS2561AQDRCTQ1 requires no external Vcc supply because it uses the load voltage for biasing via bootstrap or internal charge pumps when configured for high-side switching. However, during startup with minimal load current, internal circuitry may not maintain sufficient gate drive voltage, leading to incomplete turn-on and elevated Rds(on). Designs must ensure the load draws enough current or include a weak pull-up path to stabilize operation below 2.5V, particularly during cold cranking conditions common in automotive systems.
What role does UVLO play in the TPS2561AQDRCTQ1, and how does it interact with brownout recovery sequences in safety-critical automotive loads?
Under-voltage lockout (UVLO) prevents unintended activation during undervoltage events by holding the outputs off until VDD exceeds the threshold (typically 1.8V). This avoids partial conduction states that could damage sensitive loads like microcontrollers. In safety-relevant applications, designers must coordinate UVLO hysteresis with system reset timing—ensuring full power restoration only after stable voltage is confirmed—to prevent repeated cycling during transients such as battery reconnection or alternator load dumps.
How do you calculate total system power dissipation for the TPS2561AQDRCTQ1 driving a resistive load, and what margin should be applied for long-term reliability?
Total dissipation equals I² × Rds(on) × number of channels plus any quiescent losses. At 2.5A and 44mΩ, each channel dissipates ~275mW, so dual-channel operation reaches ~550mW at room temperature. Accounting for thermal resistance (RθJA ≈ 40°C/W in typical PCB layouts), junction temperature rises by ~22°C above ambient. For automotive-grade longevity, engineers often apply a 20% derating, limiting sustained output to 2.0A or improving heatsinking to keep TJ < 100°C under worst-case conditions.
Is the TPS2561AQDRCTQ1 suitable for redundant power paths, and what limitations exist in its fault reporting architecture?
The device supports dual independent outputs but lacks interlock logic for simultaneous enablement, requiring external sequencing if used in redundant configurations. Fault flags indicate overcurrent or overtemperature events per channel, but they do not differentiate between soft-start failure and sustained short-circuit conditions. Therefore, additional monitoring (e.g., sense resistors with ADC input) may be needed for fail-safe redundancy validation in ASIL-B or higher functional safety contexts.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS2561AQDRCTQ1

Product Attribute TPS2561AQDRCRQ1 TPS2561QDRCRQ1 TPS2561ADRCT TPS2561ADRCR
Part Number TPS2561AQDRCRQ1 TPS2561QDRCRQ1 TPS2561ADRCT TPS2561ADRCR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Switch Type - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Features - - - Simultaneous Sampling
Ratio - Input:Output - - - -
Series - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Output Configuration - - - -
Number of Outputs - - - -
Fault Protection - - - -
Rds On (Typ) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Current - Output (Max) - - - -
Voltage - Supply (Vcc/Vdd) - - - -
Input Type - - - Differential
Interface - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Voltage - Load - - - -

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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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Shipment

Delivery Time

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.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
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.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
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Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
TPS2561AQDRCTQ1 Image

TPS2561AQDRCTQ1

Texas Instruments
32D-TPS2561AQDRCTQ1

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

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