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Texas Instruments LM2592HVT-5.0/NOPB
- Part No.:
- LM2592HVT-5.0/NOPB
- Manufacturer:
- Texas Instruments
- Package:
- TO-220-5 Formed Leads
- Datasheet:
-
LM2592HVT-5.0/NOPB.pdf
- Description:
- IC REG BUCK 5V 2A TO220-5
- Quantity:
- Payment:
- Shipping:
Inventory:130
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Product details
Overview
LM2592HVT-5.0/NOPB from Texas Instruments is a monolithic nonsynchronous step-down (buck) DC-DC switching regulator delivering 5.0 V at up to 2 A output current, with input voltage support up to 60 V, fixed 150-kHz switching frequency, and ±4% output voltage tolerance over line and load. It serves as a high-efficiency primary power stage in industrial power supplies and automotive subsystems.
For engineers reviewing the LM2592HVT-5.0/NOPB datasheet, LM2592HVT-5.0/NOPB pinout, LM2592HVT-5.0/NOPB application, or LM2592HVT-5.0/NOPB equivalent, key selection criteria include its 60-V max input rating, ON/OFF control capability, thermal shutdown protection, and compatibility with standard buck external components (Schottky catch diode, 33-μH inductor, 220-μF output capacitor).
Technical Context
The LM2592HVT-5.0/NOPB integrates a 150-kHz fixed-frequency oscillator, internal compensation, and a 2-A N-channel MOSFET switch with 1.3-V typical saturation voltage. Its feedback loop is internally connected to generate a precise 5.0-V output without external resistors.
It operates in continuous conduction mode at full load and transitions to discontinuous mode under light loads. Shutdown is controlled via the ON/OFF pin, enabling standby current as low as 90 μA while maintaining full thermal and current-limit protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 5.0 V ±4% over −40°C to +125°C, 7–60 V input, 0.2–2 A load - ensures stable rail for microcontrollers and sensors without trimming. |
| Input Voltage Range | 4.5 V to 60 V - supports wide-input applications including 24-V industrial buses and 48-V telecom systems. |
| Switching Frequency | 150 kHz (±15%) - enables use of compact, low-cost 33-μH inductors and reduces EMI compared to lower-frequency alternatives. |
| Max Output Current | 2 A DC - sufficient to power FPGA I/O banks, motor drivers, or multi-rail PMIC inputs without external current boosting. |
| Quiescent Current | 90 μA in shutdown, 5–10 mA in operation - minimizes standby power loss in battery-backed or energy-sensitive systems. |
| Protection Features | Thermal shutdown, two-stage current limiting (2.4–3.7 A peak), and undervoltage lockout - prevents damage during overload, short-circuit, or brownout conditions. |
| Efficiency | 81% at 12 VIN, 5 V/2 A - reduces thermal load and improves system-level power density versus linear regulators. |
Pinout & Package
LM2592HVT-5.0/NOPB is packaged in a thermally enhanced TO-220-5 (NDH) package with 14.986 mm × 10.16 mm body size and through-hole mounting. The package features an exposed tab electrically connected to Pin 3 (Ground) for optimal heat dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (+VIN) | Positive input supply | Accepts 4.5–60 V DC; requires local 470-μF aluminum electrolytic bypass capacitor to handle high di/dt switching currents. |
| 2 (Output) | Switch node | Drives external catch diode and inductor; swings between ~(+VIN − 1.3 V) and ~−0.5 V; layout must minimize trace inductance. |
| 3 (Ground) | Power and signal reference | Common return for input/output capacitors, feedback network, and thermal pad; must be low-impedance plane for stability. |
| 4 (Feedback) | Regulation sense | Internally tied to output for fixed 5-V version; not user-accessible - eliminates resistor divider errors and layout sensitivity. |
| 5 (ON/OFF) | Enable/disable control | Logic-compatible input: ≤0.6 V = active, ≥2 V = shutdown; 90-μA standby draw enables simple microcontroller GPIO control. |
Key Features
| Feature | Design Value |
|---|---|
| Fixed 5.0-V output | Eliminates external feedback resistors - reduces BOM count, PCB area, and calibration drift in production. |
| 150-kHz fixed-frequency operation | Enables predictable EMI filtering and consistent inductor sizing across designs without frequency sweep or compensation tuning. |
| ON/OFF pin with 90-μA shutdown | Supports low-power system sleep modes and remote enable/disable without external logic-level translators or pull-up networks. |
| Integrated thermal shutdown | Automatically disables switching when junction temperature exceeds 150°C - protects against heatsink failure or airflow loss in sealed enclosures. |
| Two-stage current limit | First stage soft-limits at ~2.4 A; second stage hard-limits at ~3.7 A - provides graceful foldback during transient overloads without latch-up. |
Applications
| Industrial Power Supply | Automotive Body Control Module |
|---|---|
|
Use Scenario: Converting 24-V vehicle battery or factory bus to regulated 5-V rail for MCU, CAN transceivers, and sensors. IC Role / Device Role / Timing Role: Primary non-isolated buck regulator providing main system VCC with fault resilience and wide input tolerance. Use Value: Withstands load dump transients up to 60 V and maintains regulation down to 4.5 V - avoids brownout resets during cranking or alternator ripple. |
Use Scenario: Powering door module logic, window lift controllers, and seat position sensors in 12-V automotive platforms. IC Role / Device Role / Timing Role: High-reliability step-down converter operating continuously in harsh thermal environments (−40°C to +125°C). Use Value: Integrated thermal shutdown and current limiting prevent field failures due to wiring shorts or motor stall conditions. |
| Programmable Logic Controller (PLC) I/O Card | Point-of-Load Converter for Fieldbus Interface |
|
Use Scenario: Generating isolated 5-V logic supply on modular PLC backplanes where space and thermal headroom are constrained. IC Role / Device Role / Timing Role: Compact, through-hole mounted buck regulator delivering 2 A with minimal external components. Use Value: TO-220-5 package allows direct heatsinking to chassis - achieves >80% efficiency without forced air cooling. |
Use Scenario: Providing clean 5-V power to RS-485 transceivers, Profibus nodes, or EtherCAT slave controllers in factory automation. IC Role / Device Role / Timing Role: Local point-of-load regulator decoupling noise-sensitive communication ICs from shared 24-V distribution rails. Use Value: Fixed 5-V output and internal compensation eliminate tuning - accelerates qualification and reduces validation risk. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM2592HV-5.0/NOPB | Same silicon, TO-220-5 package, identical electrical specs - direct functional match. | Identical use case; no design change required. | Select LM2592HVT-5.0/NOPB for tape-and-reel automated assembly; LM2592HV-5.0/NOPB for manual prototyping or low-volume builds. |
| LM2596-5.0 | Lower 40-V max input, 150-kHz frequency, same 2-A rating but higher 1.5-V typical VSAT; no ON/OFF pin. | Limited to ≤40-V input systems; lacks enable control for power sequencing. | Choose LM2596-5.0 only if input never exceeds 40 V and enable functionality is unnecessary - lower cost but reduced flexibility. |
Compared with LM2592HV-5.0/NOPB and LM2596-5.0, the LM2592HVT-5.0/NOPB offers identical performance with tape-and-reel packaging optimized for SMT placement, while retaining full 60-V input capability and ON/OFF control - making it the preferred choice for volume production of industrial and automotive power stages.
Availability
LM2592HVT-5.0/NOPB is available at Aetrix Electronics and suitable for industrial power supplies, automotive body electronics, and programmable logic controller (PLC) I/O cards requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for LM2592HVT-5.0/NOPB 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 company headquartered in Dallas, Texas, specializing in analog, embedded processing, and power management technologies with over 90 years of innovation in industrial and automotive electronics.
The LM2592HV series was designed specifically for rugged, high-input-voltage DC-DC conversion in industrial automation, transportation, and energy infrastructure - emphasizing reliability, thermal robustness, and minimal external component count.
FAQ
What is the maximum input voltage rating for the LM2592HVT-5.0/NOPB?
The LM2592HVT-5.0/NOPB supports a maximum input voltage of 60 V, with absolute maximum ratings specifying 63 V. This allows safe operation across 24-V and 48-V industrial buses, including transient spikes such as automotive load dump events. Operation above 40 V requires a Schottky diode from the Feedback pin to Ground to protect against negative voltage spikes during output short circuits.
Does the LM2592HVT-5.0/NOPB require external feedback resistors to set the output voltage?
No. The LM2592HVT-5.0/NOPB is a fixed-output variant with internal feedback connection - the Feedback pin (Pin 4) is permanently tied to the Output pin. This eliminates external resistor tolerances, temperature drift, and layout sensitivity, ensuring ±4% output accuracy across −40°C to +125°C without trimming or calibration.
How does the ON/OFF pin function on the LM2592HVT-5.0/NOPB?
The ON/OFF pin (Pin 5) provides logic-level enable control: driving it ≤0.6 V activates regulation, leaving it floating also enables operation, while pulling it ≥2 V places the LM2592HVT-5.0/NOPB into shutdown mode with 90 μA typical quiescent current. The pin's 1.3-V threshold and 5–15 μA input current allow direct interfacing with microcontroller GPIOs without level-shifting circuitry.
What thermal considerations apply to the LM2592HVT-5.0/NOPB in TO-220-5 package?
The LM2592HVT-5.0/NOPB in NDH (TO-220-5) package has a junction-to-ambient thermal resistance (RθJA) of 50°C/W on a standard 4-layer JEDEC board. To maintain <150°C junction temperature at 2 A load, ambient must stay below ~70°C with adequate copper pour and optional heatsinking. The exposed tab is electrically connected to Pin 3 (Ground), requiring isolation from chassis unless grounded.
Can the LM2592HVT-5.0/NOPB be used in a positive-to-negative inverting configuration?
Yes - the LM2592HVT-5.0/NOPB can configure as a positive-to-negative inverter by bootstrapping the Ground pin to the negative output. In this topology, it generates −5 V from a +20 V input, but the total voltage across the IC (input-to-ground) must remain ≤60 V. External diodes and careful inductor selection are required; peak switch current must be checked against the 2.3–4 A current limit to avoid power limiting.
LM2592HVT-5.0/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- SIMPLE SWITCHER®
- Package/Case:
- TO-220-5 Formed Leads
- Packaging:
- Tube
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 4.5V
- Voltage - Input (Max):
- 60V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 2A
- Frequency - Switching:
- 150kHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220-5
LM2592HVT-5.0/NOPB FAQ
1.How can I place an order for LM2592HVT-5.0/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM2592HVT-5.0/NOPB 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 LM2592HVT-5.0/NOPB reliable?
The price and inventory of LM2592HVT-5.0/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM2592HVT-5.0/NOPB is usually 5 days.
3.What payment methods are accepted for LM2592HVT-5.0/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM2592HVT-5.0/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM2592HVT-5.0/NOPB?
LM2592HVT-5.0/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM2592HVT-5.0/NOPB 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 LM2592HVT-5.0/NOPB?
For technical support, including LM2592HVT-5.0/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM2592HVT-5.0/NOPB requirements.
6.How does Aetrix verify that LM2592HVT-5.0/NOPB is sourced from the original manufacturer or authorized distributors?
All LM2592HVT-5.0/NOPB 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 LM2592HVT-5.0/NOPB meets industry standards.
7.What is the process for return or replacement of LM2592HVT-5.0/NOPB?
All LM2592HVT-5.0/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM2592HVT-5.0/NOPB, 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 LM2592HVT-5.0/NOPB part is unused and in its original packaging.
Return procedure for LM2592HVT-5.0/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LM2592HVT-5.0/NOPB Tags
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