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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsTPS54560BDDAR
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TPS54560BDDAR - Texas Instruments

Manufacturer Part Number
TPS54560BDDAR
Manufacturer
Texas Instruments
Allelco Part Number
32D-TPS54560BDDAR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
15,152 pcs available, New & Original
Parts Description
IC REG CTRLR
Package
8-SO PowerPad
Data sheet
TPS54560BDDAR.pdf

HTML Datasheet

TPS54560B.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 15152
  • Unit Price: $0.807
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.807 $0.81
10+ $0.683 $6.83
30+ $0.615 $18.45
100+ $0.538 $53.80
500+ $0.503 $251.50
1000+ $0.488 $488.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TPS54560BDDAR Tech Specifications
Texas Instruments - TPS54560BDDAR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS54560BDDAR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 58.8V
Voltage - Input (Min) 4.5V
Voltage - Input (Max) 60V
Topology Buck, Split Rail
Synchronous Rectifier No
Supplier Device Package 8-SO PowerPad
Series Eco-Mode™
Package / Case 8-PowerSOIC (0.154", 3.90mm Width)
Product Attribute Attribute Value
Package Tape & Reel (TR)
Output Type Adjustable
Output Configuration Positive
Operating Temperature -40°C ~ 150°C (TJ)
Number of Outputs 1
Mounting Type Surface Mount
Function Step-Down
Frequency - Switching 500kHz
Current - Output 5A
Base Product Number TPS54560

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

TPS54560BDDAR Image
TPS54560BDDAR (1)

Manufacturer Part Number

TPS54560BDDAR

Manufacturer

Texas Instruments

Introduction

High-performance, integrated step-down DC/DC converter suitable for a wide range of applications

Product Features and Performance

Output voltage adjustable from 0.8V to 58.8V

Integrated 5A synchronous rectifier

500kHz switching frequency

Eco-mode operation for high efficiency at light loads

Comprehensive protection features include overcurrent, overvoltage, and thermal shutdown

Product Advantages

High efficiency and power density

Wide input voltage range of 4.5V to 60V

Adjustable output voltage for flexibility

Robust protection features for reliable operation

Key Technical Parameters

Input voltage range: 4.5V to 60V

Output voltage range: 0.8V to 58.8V

Output current: up to 5A

Switching frequency: 500kHz

Quality and Safety Features

Compliant with RoHS3 directive

Comprehensive protection circuitry

Compatibility

Suitable for a wide range of applications that require a high-performance, step-down DC/DC converter

Application Areas

Industrial equipment

Telecommunications infrastructure

Automotive electronics

Portable devices

Product Lifecycle

Current product, no discontinuation plans

Several Key Reasons to Choose This Product

Wide input and output voltage range for flexibility

High efficiency and power density for compact designs

Robust protection features for reliable operation

Proven performance in a variety of applications

Frequently Asked Questions(FAQ)

How does the TPS54560BDDAR handle input voltage transients in high-voltage automotive applications where load dump events can exceed 60V?
The TPS54560BDDAR is rated for a maximum input voltage of 60V, which aligns with typical automotive load dump protection requirements. In practice, this means the device can survive brief overvoltage spikes common in automotive environments, provided that transient response time and thermal dissipation during such events are managed through proper PCB layout and heat sinking. Designers should verify that input capacitance and layout inductance do not cause excessive current surges during fast transients, potentially stressing the internal switch or external components.
When selecting between the TPS54560BDDAR and a synchronous buck regulator like the TPS54360, what trade-offs emerge in terms of efficiency, component count, and thermal performance?
While the TPS54560BDDAR offers a split-rail topology and adjustable output up to 58.8V, it lacks synchronous rectification, resulting in higher conduction losses compared to synchronous alternatives like the TPS54360 at light to medium loads. This typically translates to lower efficiency by 2–5% under partial load conditions. However, the absence of a synchronous MOSFET reduces component count and simplifies design, which may justify its use in cost-sensitive, high-voltage applications where efficiency penalties are acceptable. Thermal performance must be evaluated carefully due to increased power dissipation in the diode path.
What considerations apply when using the TPS54560BDDAR in a multi-rail system requiring tight sequencing between a 12V main supply and a derived 5V rail?
Although the TPS54560BDDAR supports adjustable output, it does not include built-in sequencing or tracking functionality. Implementing precise power-up sequencing requires external control circuits, such as dedicated sequencer ICs or microcontroller-based GPIO management. Without sequencing, there is risk of excessive inrush current or reverse current flow if one rail powers up before another, particularly problematic when driving sensitive loads. Careful attention to enable pin timing and output capacitor selection is essential to maintain stability across all rails.
Can the TPS54560BDDAR operate reliably in industrial environments with ambient temperatures reaching 85°C and airflow limited to natural convection?
Yes, the device has a junction temperature range of -40°C to 150°C, allowing reliable operation in industrial settings. However, sustained ambient temperatures near 85°C with only natural cooling demand careful evaluation of thermal resistance. With a θJA of approximately 37°C/W (typical with no heatsink), a 2W loss would raise the junction by 74°C above ambient—potentially exceeding safe limits. Therefore, designers should simulate worst-case power dissipation and consider adding a small heatsink or improving airflow to keep TJ well below 125°C derating threshold.
How does the fixed 500kHz switching frequency of the TPS54560BDDAR impact inductor selection and electromagnetic interference (EMI) mitigation strategies?
The 500kHz operating frequency enables the use of smaller ferrite-core inductors while maintaining efficiency, but also places the conducted noise spectrum closer to sensitive communication bands. Inductor saturation current and core material must be chosen to handle peak currents without degradation. Additionally, EMI filtering becomes more critical; designers often add input/output LC filters or spread-spectrum techniques to meet regulatory standards. PCB layout symmetry and ground plane integrity are crucial to minimize radiated emissions at and around the 500kHz fundamental.
What are the implications of using the TPS54560BDDAR with ceramic output capacitors in terms of loop stability and transient response?
Ceramic capacitors provide excellent low-ESR characteristics, beneficial for transient response, but their lack of equivalent series resistance (ESR) can destabilize the feedback loop, especially when combined with long PCB traces or high-ESL components. The TPS54560BDDAR includes an internal compensation network optimized for typical polymer or tantalum capacitors. If ceramic-only output capacitance is used, additional series resistance (e.g., 10–20mΩ) may be required near the IC to ensure phase margin remains above 45°, preventing oscillation during load steps.
Is it feasible to parallel two TPS54560BDDAR units to share a 10A load while maintaining current balance?
No, the TPS54560BDDAR does not support paralleling or current sharing out of the box. Attempting to run multiple devices in parallel without dedicated current-sharing circuitry risks uneven distribution due to slight variations in output voltage, switching timing, and component tolerances. This could lead to one device overloading while others remain underutilized. For higher-current applications, alternative topologies or regulators with integrated current sharing should be considered instead of relying on passive parallelization.
How does the Eco-Mode™ feature in the TPS54560BDDAR affect light-load efficiency and noise performance in battery-powered monitoring systems?
Eco-Mode™ improves light-load efficiency by reducing switching frequency and gate drive activity, which lowers quiescent current and static losses. In battery-powered systems drawing intermittent pulses (e.g., <100mA average), this can extend operational life significantly. However, reduced frequency also increases output ripple amplitude and may introduce audible noise if switching occurs in the human hearing range. Designers must assess whether the trade-off between efficiency gain and potential noise degradation meets application-specific requirements.
What precautions are necessary when routing the PowerPad of the TPS54560BDDAR to ensure thermal and electrical reliability?
The 8-SO PowerPad serves both as a thermal pad and a ground reference, so it must be connected directly to the system ground plane with multiple vias (ideally 4–6) to reduce thermal resistance and stabilize the reference voltage. Poor connection can increase thermal impedance by 20–40% and introduce ground noise into the control loop. Vias should avoid crossing signal traces to prevent coupling, and soldering must ensure full contact—voids larger than 25% of the pad area significantly degrade heat transfer.
Can the TPS54560BDDAR be used to generate negative voltages from a positive input source in split-rail systems?
No, the TPS54560BDDAR is a positive-output, step-down converter. It generates a regulated positive voltage from a higher positive input. To create a negative rail, an additional inverting converter (such as the TPS54332D) is required. The "split rail" topology refers to generating two separate positive outputs from different taps or using multiple stages, not inversion. Misinterpretation here could lead to incorrect system architecture and instability.
What role does soft-start play in the TPS54560BDDAR, and how should it be configured to limit inrush current during hot-plug scenarios?
Soft-start limits the rate at which the internal ramp generator increases the error amplifier’s reference, thereby controlling output voltage rise time. The default soft-start time is approximately 1ms, but it can be extended via an external capacitor on the SS/TRK pin. For hot-plug applications, extending soft-start to 5–10ms helps reduce inrush current into capacitive loads, minimizing stress on input supplies and connectors. Excessive extension may conflict with system-level timing constraints, so empirical testing under realistic load conditions is recommended.
How does the absence of a synchronous rectifier in the TPS54560BDDAR influence choice of freewheeling diode in high-current, continuous-conduction-mode applications?
Since the device uses a non-synchronous architecture, the freewheeling function relies on an external Schottky diode. At 5A output current, diode forward voltage drop contributes directly to conduction losses—typically 0.5–1.0W depending on device selection. Choosing a low-VF, thermally stable Schottky (e.g., 30V/5A rating) minimizes losses and improves efficiency. Diode reverse recovery characteristics are less critical than in synchronous designs, but still affect ringing and EMI if inductive parasitics are present.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS54560BDDAR

Product Attribute TPS54560BQDDARQ1 TPS54560BQDDAQ1 TPS54560QDDARQ1 TPS54560DDAR
Part Number TPS54560BQDDARQ1 TPS54560BQDDAQ1 TPS54560QDDARQ1 TPS54560DDAR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Frequency - Switching - - - -
Synchronous Rectifier - - - -
Function - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
Voltage - Input (Max) - - - -
Voltage - Output (Max) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Number of Outputs - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Current - Output - - - -
Output Configuration - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Output Type - Current - Unbuffered Voltage - Buffered -
Topology - - - -
Voltage - Output (Min/Fixed) - - - -
Voltage - Input (Min) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

TPS54560BDDAR Datasheet PDF

Download TPS54560BDDAR pdf datasheets and Texas Instruments documentation for TPS54560BDDAR - Texas Instruments.

HTML Datasheet
TPS54560B.pdf

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Customer Reviews

Evaluation: 10 Articles

  • 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.

  • 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.

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TPS54560BDDAR Image

TPS54560BDDAR

Texas Instruments
32D-TPS54560BDDAR

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

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