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Texas Instruments TPS5410DRG4
- Part No.:
- TPS5410DRG4
- Manufacturer:
- Texas Instruments
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TPS5410DRG4.pdf
- Description:
- IC REG BUCK ADJ 1A 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,511
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Product details
Overview
TPS5410DRG4 from Texas Instruments is a 1-A, wide-input (5.5–36 V), synchronous step-down DC/DC converter with integrated 110 mΩ high-side N-channel MOSFET, fixed 500 kHz switching frequency, and internal compensation. It delivers tightly regulated output down to 1.22 V (±1.5% initial accuracy) and supports industrial power rails in 12 V/24 V distributed systems.
For engineers reviewing the TPS5410DRG4 datasheet, TPS5410DRG4 pinout, TPS5410DRG4 application, or TPS5410DRG4 equivalent, key selection criteria include input UVLO threshold (5.3 V), hiccup-mode overcurrent protection (1.2–1.9 A peak limit), thermal shutdown (135–162 °C), ENA-controlled shutdown (18 µA quiescent), and SOIC-8 package compatibility with board-level thermal management constraints.
Technical Context
The TPS5410DRG4 implements voltage-mode PWM control with input voltage feed-forward to stabilize loop gain across input variations-enabling consistent transient response at 500 kHz without external compensation. Its integrated bootstrap diode and dedicated BOOT/PH pins support self-biased gate drive for the high-side MOSFET.
Functional safety features include cycle-by-cycle overcurrent limiting, overvoltage protection (112.5% × VREF), undervoltage lockout with 330 mV hysteresis, and thermal shutdown with 14 °C hysteresis-ensuring robust operation from –40 °C to +125 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 5.5 V to 36 V - supports unregulated 12 V/24 V industrial and automotive supplies without pre-regulation. |
| Output Current | 1 A continuous / 1.2 A peak - sufficient for powering FPGAs, LCD bias rails, and LED drivers in space-constrained designs. |
| Switching Frequency | Fixed 500 kHz - enables compact LC filter design with ≤68 µH inductors and low-ESR ceramic/tantalum output capacitors. |
| Feedback Reference | 1.221 V ±1.5% - sets minimum adjustable output; used with external resistor divider to configure precise output voltages. |
| High-Side RDS(on) | 100–230 mΩ - determines conduction loss and thermal rise under full load; optimized for efficiency up to 95% at 12 VIN/12 VOUT. |
| Shutdown Current | 18 µA typical - allows ultra-low-power disable state when ENA is pulled low, critical for battery-backed or always-on systems. |
| Thermal Shutdown | 135–162 °C trip, 14 °C hysteresis - protects against sustained overload or poor PCB heatsinking without requiring external thermal sensors. |
Pinout & Package
TPS5410DRG4 is housed in an 8-pin SOIC (D package), 4.9 mm × 6.0 mm footprint, with exposed pad not present. Thermal performance relies on PCB copper area connected to GND (Pin 6) and VIN (Pin 7) planes per JEDEC JESD51-7 standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BOOT (Pin 1) | Bootstrap capacitor node | Connects 0.01 µF X7R/X5R ceramic capacitor to PH; supplies gate drive voltage for high-side MOSFET. |
| NC (Pins 2, 3) | No-connect | Internally unconnected; must remain floating or grounded-no routing or loading permitted. |
| VSENSE (Pin 4) | Feedback input | Monitors output via resistor divider; regulates output by comparing to 1.221 V reference. |
| ENA (Pin 5) | Enable control | Active-high logic: >1.3 V enables, <0.5 V disables; internal pull-up allows floating for default-on operation. |
| GND (Pin 6) | Power ground | Reference for all internal circuits; requires low-impedance connection to PCB ground plane. |
| VIN (Pin 7) | Main input supply | Accepts 5.5–36 V; bypassed with ≥4.7 µF ceramic capacitor close to pin for EMI and stability. |
| PH (Pin 8) | Power switch node | Drives external inductor; connects to BOOT capacitor and catch diode anode in non-synchronous configurations. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated high-side MOSFET | 110 mΩ RDS(on) enables 1-A continuous output without external switches-reducing BOM count and layout complexity. |
| Internal compensation | Eliminates need for external Type III compensation network-accelerating design cycle and improving stability margin across operating conditions. |
| Voltage feed-forward | Maintains constant power-stage gain vs. input voltage variation-improving line regulation and reducing output overshoot during input transients. |
| Hiccup-mode overcurrent protection | Enters 13–20 ms fault recovery cycle upon sustained overload-preventing thermal runaway while enabling automatic restart after cooling. |
| Adjustable soft-start | 8 ms typical internal ramp time limits inrush current and output overshoot-critical for powering sensitive downstream logic or analog circuitry. |
Applications
| Consumer Display Power | Industrial Distributed Supply |
|---|---|
Use Scenario: Powering backlight drivers and logic rails in LCD/DVD set-top boxes with 24 V input bus. IC Role / Device Role / Timing Role: Primary step-down regulator converting 24 V to 12 V/5 V/3.3 V outputs with tight load regulation and fast transient response. Use Value: Fixed 500 kHz switching enables small 68 µH inductors and low-profile tantalum output caps-meeting height constraints in slim display enclosures. | Use Scenario: Generating local 5 V or 3.3 V rails from 12 V/24 V factory automation I/O modules. IC Role / Device Role / Timing Role: Point-of-load converter delivering 1 A with thermal shutdown and overvoltage protection for reliable field operation. Use Value: –40 °C to +125 °C operating range and 135 °C thermal shutdown ensure uptime in unventilated control cabinets. |
| Automotive Audio Supply | LED Driver Bias Rail |
Use Scenario: Providing stable 5 V supply to DSP and amplifier stages in car audio head units fed from noisy 12 V battery rail. IC Role / Device Role / Timing Role: Input-filtered buck regulator with UVLO (5.3 V) and feed-forward-rejecting battery ripple and cold-crank dips. Use Value: 5.5–36 V input range accommodates load-dump transients up to 36 V without external clamping. | Use Scenario: Biasing constant-current LED driver ICs in architectural lighting fixtures powered from 24 V PoE or DC distribution. IC Role / Device Role / Timing Role: Pre-regulator setting precise 5 V or 3.3 V reference for current-sense amplifiers and PWM controllers. Use Value: 1.5% initial VREF accuracy and internal compensation ensure stable LED current despite ambient temperature shifts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM2678-5.0/NOPB | Fixed 5 V output, 5 A capability, 63 V max input, no internal compensation - requires external feedback and compensation components. | Better suited for higher-current, fixed-output designs where board space permits larger inductors and compensation network. | Select when fixed 5 V output and >1 A load current are required; avoid if adjustable output or minimal external parts are priorities. |
| TPS54202DRCT | 2 A output, 4.5–17 V input, 600 kHz switching, integrated compensation, smaller 10-pin WSON package - lacks 36 V input rating and thermal shutdown hysteresis spec. | Ideal for compact, lower-input-voltage applications like USB-C PD adapters or portable instrumentation. | Choose for space-constrained 5–15 V systems needing >1 A; not suitable for 24 V industrial or automotive inputs. |
Compared with LM2678-5.0/NOPB and TPS54202DRCT, the TPS5410DRG4 uniquely balances wide-input operation (5.5–36 V), 1-A capability, internal compensation, and SOIC-8 manufacturability-making it optimal for cost-sensitive, thermally managed industrial power supplies where input voltage variability and design simplicity are critical.
Availability
TPS5410DRG4 is available at Aetrix Electronics and suitable for consumer display power, industrial distributed supply, automotive audio supply, and LED driver bias rail applications requiring stable component supply across extended temperature and voltage ranges.
Supply support for TPS5410DRG4 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 specializing in analog, embedded processing, and power management technologies, with decades of expertise in high-reliability power conversion ICs.
The TPS5410DRG4 belongs to TI's SWIFT™ family of integrated DC/DC converters-designed specifically for rugged, wide-input industrial and automotive power supplies where simplicity, thermal resilience, and long-term supply stability are essential.
FAQ
What is the absolute maximum input voltage rating for the TPS5410DRG4?
The TPS5410DRG4 has an absolute maximum input voltage rating of 40 V on the VIN pin relative to GND. However, recommended operating conditions specify 5.5 V to 36 V. Exceeding 36 V may trigger overvoltage protection or degrade reliability; sustained operation above 40 V risks permanent damage per Absolute Maximum Ratings table in the datasheet.
Does the TPS5410DRG4 require an external bootstrap diode?
No, the TPS5410DRG4 integrates the bootstrap recharge diode internally. A 0.01 µF low-ESR ceramic capacitor must be connected between BOOT (Pin 1) and PH (Pin 8) to provide gate drive voltage for the high-side MOSFET-no external diode is needed, simplifying layout and reducing component count.
Can the TPS5410DRG4 operate with an input voltage below 5.5 V?
The TPS5410DRG4 incorporates undervoltage lockout (UVLO) with a typical rising threshold of 5.3 V and hysteresis of 330 mV. While it may briefly function near 5.3 V, TI specifies 5.5 V as the minimum recommended input. Operation below this risks unstable startup, incomplete internal biasing, or failure to sustain regulation-especially under load or temperature extremes.
What is the purpose of the NC pins (2 and 3) on the TPS5410DRG4?
Pins 2 and 3 of the TPS5410DRG4 are no-connect (NC) terminals-internally unconnected silicon nodes. They must remain electrically floating or tied to GND; routing traces, adding capacitors, or applying voltage to these pins violates the device's validated design and may cause unpredictable behavior or latch-up.
How does the TPS5410DRG4 handle overcurrent faults?
The TPS5410DRG4 uses cycle-by-cycle overcurrent limiting with a peak current threshold of 1.2–1.9 A, followed by hiccup-mode recovery (13–20 ms off-time) during sustained faults. This dual-stage protection prevents thermal runaway while allowing automatic restart once the fault clears-unlike latch-off schemes that require external reset.
TPS5410DRG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 5.5V
- Voltage - Input (Max):
- 36V
- Voltage - Output (Min/Fixed):
- 1.221V
- Voltage - Output (Max):
- 31.32V
- Current - Output:
- 1A
- Frequency - Switching:
- 500kHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TPS5410DRG4 FAQ
1.How can I place an order for TPS5410DRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS5410DRG4 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 TPS5410DRG4 reliable?
The price and inventory of TPS5410DRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS5410DRG4 is usually 5 days.
3.What payment methods are accepted for TPS5410DRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS5410DRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS5410DRG4?
TPS5410DRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS5410DRG4 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 TPS5410DRG4?
For technical support, including TPS5410DRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS5410DRG4 requirements.
6.How does Aetrix verify that TPS5410DRG4 is sourced from the original manufacturer or authorized distributors?
All TPS5410DRG4 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 TPS5410DRG4 meets industry standards.
7.What is the process for return or replacement of TPS5410DRG4?
All TPS5410DRG4 units undergo pre-shipment inspection (PSI). If there is an issue with TPS5410DRG4, 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 TPS5410DRG4 part is unused and in its original packaging.
Return procedure for TPS5410DRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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