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Texas Instruments TPS54060ADRCT
- Part No.:
- TPS54060ADRCT
- Manufacturer:
- Texas Instruments
- Package:
- 10-VFDFN Exposed Pad
- Datasheet:
-
TPS54060ADRCT.pdf
- Description:
- IC REG BCK SPLIT RAIL ADJ 10VSON
- Quantity:
- Payment:
- Shipping:
Inventory:586
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Product details
Overview
TPS54060ADRCT from Texas Instruments is a 60-V, 0.5-A synchronous step-down DC–DC converter with integrated 200-mΩ high-side MOSFET, Eco-Mode™ pulse-skipping for light-load efficiency, adjustable 100 kHz–2.5 MHz switching frequency via RT/CLK pin, and 0.8-V internal reference. It delivers regulated 3.3-V output at 500 kHz in industrial power supplies with input range 3.5–60 V.
For engineers reviewing the TPS54060ADRCT datasheet, TPS54060ADRCT pinout, TPS54060ADRCT application, or TPS54060ADRCT equivalent, key selection criteria include its 116 μA no-load quiescent current, 1.3 μA shutdown current, UVLO adjustability via EN pin, PWRGD open-drain monitoring, and VSON-10 PowerPAD™ package thermal performance.
Technical Context
The TPS54060ADRCT implements constant-frequency peak-current-mode control with slope compensation to prevent subharmonic oscillation across 0–100% duty cycle. Its error amplifier features 97 μA/V transconductance (gm) and compares VSENSE against either the 0.8-V reference or SS/TR voltage during sequencing.
A dedicated BOOT-PH UVLO circuit monitors gate drive voltage and forces high-side MOSFET turn-off below 2.1 V, enabling reliable 100% duty-cycle operation until boot capacitor recharge is possible. The integrated PLL on RT/CLK supports synchronization to external clocks or resistor-set frequency tuning from 100 kHz to 2.5 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3.5 V to 60 V - supports 12-V, 24-V, and 48-V industrial bus rails without pre-regulation |
| Output Current | 0.5 A continuous - sufficient for low-power microcontrollers, sensors, and interface ICs |
| Quiescent Current | 116 μA - enables >10-year battery life in always-on IoT nodes with light-load operation |
| Shutdown Current | 1.3 μA - minimizes standby drain in automotive accessory modules during ignition-off |
| Switching Frequency | 100 kHz to 2.5 MHz - allows optimization of inductor size (e.g., 4.7 μH at 500 kHz) and EMI filtering |
| Reference Voltage | 0.8 V ±1.6% - sets precise output via resistor divider; enables 3.3 V, 5 V, or custom voltages |
| Power Good Threshold | 94%–107% of VREF - provides robust system reset signaling with hysteresis against noise |
| Thermal Resistance | RθJA = 40 °C/W (VSON-10) - enables 0.5-A operation at +85°C ambient without forced air |
Pinout & Package
TPS54060ADRCT uses the 3 mm × 3 mm VSON-10 package with exposed thermal pad (PowerPAD™), requiring solder connection to PCB ground plane for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BOOT | Bootstrap supply node | Drives high-side MOSFET gate; requires 0.1-μF X7R ceramic cap to PH; UVLO disables switch if <2.1 V |
| VIN | Main power input | Accepts 3.5–60 V; supplies internal bias and high-side driver; connects to input bulk capacitor |
| GND | Power and signal reference | Common return for all circuits; must be tied to thermal pad for thermal performance |
| PH | Switch node | Connects to inductor and catch diode/anode; high dv/dt node requiring tight layout and ground stitching |
| VSENSE | Feedback input | Inverting input of error amp; monitors output via resistor divider; threshold = 0.8 V |
| COMP | Error amplifier output | Drives current comparator; connects to Type II/III compensation network for loop stability |
| EN | Enable / UVLO control | Pull <1.25 V to disable; internal pull-up allows floating-enable; two-resistor divider adjusts UVLO threshold |
| RT/CLK | Frequency set / sync input | Resistor-to-GND sets fSW (100–2500 kHz); pulled above 2.2 V to accept external clock edges |
| SS/TR | Soft-start / tracking control | Capacitor sets ramp time; voltage override enables power sequencing with other rails |
| PWRGD | Power-good indicator | Open-drain output asserts low if VOUT <94% or >107% of target; requires external pull-up |
Key Features
| Feature | Design Value |
|---|---|
| Eco-Mode™ Pulse Skipping | Reduces no-load IQ to 116 μA while maintaining regulation-critical for energy-harvesting and battery-backed systems |
| Adjustable UVLO with Hysteresis | EN pin supports resistor-divider configuration to raise lockout threshold above default 2.5 V and add hysteresis for stable startup |
| Integrated Boot Recharge Diode | Eliminates external Schottky diode; reduces BOM count and layout area while ensuring reliable gate drive under all loads |
| Overvoltage Protection via PWRGD | OV comparator disables high-side MOSFET when VSENSE exceeds 109% VREF-prevents damage to downstream 3.3-V logic |
| Thermal Shutdown & Foldback | Shuts down at 182°C junction; reduces fSW during overload to limit inductor current and improve fault recovery margin |
| WEBENCH® & SwitcherPro™ Support | Full design integration with TI's online tools-including schematic generation, BOM export, and loss/thermal simulation |
Applications
| Industrial Sensor Node Power | Automotive Aftermarket GPS Module |
|---|---|
|
Use Scenario: 24-V truck battery powers a CAN-connected temperature/humidity sensor with BLE radio. IC Role / Device Role / Timing Role: Primary buck regulator delivering 3.3 V @ 150 mA to MCU, radio, and analog front-end. Use Value: 116 μA quiescent current extends battery life during sleep; 60-V rating withstands load-dump transients up to 58 V. |
Use Scenario: 12-V car battery powers standalone GPS navigation unit with display and audio output. IC Role / Device Role / Timing Role: Main DC–DC converter generating 3.3 V for GPS SoC and 5 V (via secondary LDO) for USB interface. Use Value: Adjustable UVLO prevents brownout during cranking (6–8 V); PWRGD signals host MCU when rail is stable. |
| Programmable Logic Controller I/O Module | 48-V Telecom Remote Radio Unit |
|
Use Scenario: DIN-rail mounted PLC module accepts 24/48-V DC input and powers isolated digital I/O drivers. IC Role / Device Role / Timing Role: Intermediate buck stage stepping 48 V to 12 V, feeding isolated flyback for field-side rails. Use Value: 200-mΩ MOSFET enables >90% efficiency at 0.5 A; RT/CLK sync avoids beat frequencies with Ethernet PHY clocks. |
Use Scenario: Outdoor RRH powered from 48-V telecom plant; requires compact, thermally robust 3.3-V supply for FPGA and ADCs. IC Role / Device Role / Timing Role: Point-of-load regulator directly converting 48 V to 3.3 V for RF signal processing chain. Use Value: VSON-10 PowerPAD™ achieves 40 °C/W RθJA-supports full 0.5-A load at –40°C to +85°C ambient without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM5164QDDARQ1 | Automotive-grade (AEC-Q100), 65-V input, 0.6-A, but higher IQ (25 μA in sleep, 100 μA in operation) | Required for ASIL-B automotive systems; lacks PWRGD and SS/TR tracking capability | Choose LM5164QDDARQ1 only when automotive qualification and higher output current are mandatory |
| MP2451DT-LF-Z | 36-V max input, 0.6-A, 2.2-MHz fixed frequency, no RT/CLK sync, no adjustable UVLO, smaller SOT-23-6 package | Suitable for space-constrained consumer devices; cannot replace TPS54060ADRCT in 48-V industrial apps | Choose MP2451DT-LF-Z for cost-sensitive, lower-voltage designs where 60-V rating and sequencing are unnecessary |
Compared with LM5164QDDARQ1 and MP2451DT-LF-Z, the TPS54060ADRCT uniquely balances wide-input capability (60 V), precision enable/UVLO control, PWRGD monitoring, and flexible frequency synchronization-making it optimal for industrial and aftermarket power designs demanding reliability and configurability.
Availability
TPS54060ADRCT is available at Aetrix Electronics and suitable for industrial sensor nodes, automotive aftermarket electronics, programmable logic controllers, and telecom remote radio units requiring stable component supply across extended temperature and input voltage ranges.
Supply support for TPS54060ADRCT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader designing analog and embedded processing chips for industrial, automotive, and communications markets since 1930.
The TPS54060A product line delivers high-voltage, low-quiescent-current buck converters optimized for rugged 12–48-V systems in harsh environments-emphasizing reliability, thermal performance, and design flexibility over cost-only metrics.
FAQ
What is the minimum input voltage required for TPS54060ADRCT to start switching?
The TPS54060ADRCT has an internal undervoltage lockout (UVLO) threshold of 2.5 V, but this is adjustable via resistors on the EN pin. With EN floating, startup occurs when VIN exceeds ~2.5 V. When configured with external resistors, the effective start voltage can be raised-for example, to 12 V for automotive cranking immunity. The device will not switch below the configured UVLO threshold, regardless of SS/TR or PWRGD state.
How does the TPS54060ADRCT achieve 100% duty cycle operation?
The TPS54060ADRCT achieves near-100% duty cycle by monitoring the BOOT-to-PH voltage: as long as it remains above 2.1 V, the high-side MOSFET stays on. During dropout, the low-side path (internal diode or external sync FET) recharges the BOOT capacitor. This architecture allows regulation down to VOUT = VIN − (IRdrop), unlike fixed-duty-cycle controllers limited by minimum off-time.
Can the TPS54060ADRCT synchronize to an external clock, and what are the timing requirements?
Yes-the RT/CLK pin supports synchronization: pull it above 2.2 V to enter CLK mode, where it becomes a high-impedance input accepting external clock edges. Minimum pulse width is 40 ns, and PLL lock time is ≤100 μs. Once synchronized, the internal oscillator aligns PH rising edge to the falling edge of the external clock, reducing EMI beat frequencies in multi-rail systems.
What is the purpose of the SS/TR pin on the TPS54060ADRCT, and how is it used for power sequencing?
The SS/TR pin controls soft-start ramp time via an external capacitor and enables voltage tracking by connecting a resistor divider from another supply rail. During sequencing, the SS/TR voltage overrides the internal 0.8-V reference-so if a 3.3-V rail tracks a 5-V rail, the TPS54060ADRCT output rises only as fast as the 5-V rail divided down to 0.8 V. This ensures orderly power-up of FPGAs and processors with strict supply-rail ordering requirements.
Does the TPS54060ADRCT require an external bootstrap diode, and why or why not?
No-the TPS54060ADRCT integrates the bootstrap diode internally, eliminating the need for an external Schottky diode between VIN and BOOT. This reduces component count, PCB area, and potential failure points. The internal diode charges the BOOT capacitor during the low-side conduction phase, and the BOOT-PH UVLO ensures gate drive remains valid before enabling the high-side MOSFET.
TPS54060ADRCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- SWIFT™, Eco-Mode™
- Package/Case:
- 10-VFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck, Split Rail
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 3.5V
- Voltage - Input (Max):
- 60V
- Voltage - Output (Min/Fixed):
- 0.8V
- Voltage - Output (Max):
- 58V
- Current - Output:
- 500mA
- Frequency - Switching:
- 100kHz ~ 2.5MHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-VSON (3x3)
TPS54060ADRCT FAQ
1.How can I place an order for TPS54060ADRCT through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS54060ADRCT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS54060ADRCT reliable?
The price and inventory of TPS54060ADRCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS54060ADRCT is usually 5 days.
3.What payment methods are accepted for TPS54060ADRCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS54060ADRCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS54060ADRCT?
TPS54060ADRCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS54060ADRCT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS54060ADRCT?
For technical support, including TPS54060ADRCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS54060ADRCT requirements.
6.How does Aetrix verify that TPS54060ADRCT is sourced from the original manufacturer or authorized distributors?
All TPS54060ADRCT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS54060ADRCT meets industry standards.
7.What is the process for return or replacement of TPS54060ADRCT?
All TPS54060ADRCT units undergo pre-shipment inspection (PSI). If there is an issue with TPS54060ADRCT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS54060ADRCT part is unused and in its original packaging.
Return procedure for TPS54060ADRCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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