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Texas Instruments TPS92560DGQR/NOPB
- Part No.:
- TPS92560DGQR/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- LED Drivers
- Package:
- 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
TPS92560DGQR/NOPB.pdf
- Description:
- IC LED DRIVER OFFL 10HVSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,479
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Product details
Overview
TPS92560DGQR/NOPB from Texas Instruments is a hysteretic-control LED driver IC designed for MR16/AR111 lamps powered by AC, DC, or electronic transformers. It delivers constant input current up to 500 mA, supports boost and SEPIC topologies, integrates active low-side rectifiers (RACn-ON = 570 mΩ max), and provides output overvoltage protection with 0.384 V typical OVP threshold.
For engineers reviewing the TPS92560DGQR/NOPB datasheet, TPS92560DGQR/NOPB pinout, TPS92560DGQR/NOPB application, or TPS92560DGQR/NOPB equivalent, key selection considerations include its dual-mode topology support, transformer compatibility without external rectifiers, thermal shutdown at 165°C, and ADJ-pin-based current scaling across LED counts.
Technical Context
The TPS92560DGQR/NOPB implements a hysteretic inductor current control scheme-eliminating loop compensation while enabling fast transient response and high power factor (>0.9 full-load AC). Its patent-pending feedback method ties LED current regulation directly to ADJ pin voltage, which scales with output voltage and compensates for input source dead time via programmable current sourcing (11.5 µA typical for electronic transformers).
Internally, it integrates two active low-side rectifiers (AC1/AC2), a self-biased 8.45 V VCC regulator (30 mA current limit), and a gate driver referenced to SRC with 8.1 V typical high-level output. The device operates across 6.5–42 V VP supply and features dedicated SEN pin for Kelvin-sense current sensing through RSEN, ensuring accurate peak/valley inductor current control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Topology Support | Boost and SEPIC configurations-enables single PCB design for varying LED string voltages (e.g., 6-LED boost vs. 3-LED SEPIC). |
| Input Voltage Range | 6.5 V to 42 V VP-covers wide-range DC inputs and rectified AC/electronic transformer outputs. |
| Efficiency | >85% at 12-V DC input-minimizes thermal load in compact MR16 lamp housings. |
| Power Factor | >0.9 at full load with AC input-meets lighting efficiency standards without external PFC circuitry. |
| OVP Threshold | 0.384 V typical on ADJ pin-triggers shutdown before output capacitor or rectifier overstress in open-LED fault. |
| Thermal Shutdown | 165°C junction temperature with 30°C hysteresis-prevents permanent damage during sustained overload or poor heatsinking. |
| VCC Regulator | 8.45 V typical output, 30 mA current limit-powers gate driver and internal circuits; requires 0.47 µF decoupling to SRC. |
Pinout & Package
TPS92560DGQR/NOPB uses a thermally enhanced 10-pin HVSSOP (Package MUC10A, 3.00 mm × 3.00 mm) with exposed PowerPAD™ for PCB ground connection and heat dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GATE | Gate driver output | Drives low-side N-channel MOSFET (Q1); referenced to SRC, not GND-enables high-side switch configuration in SEPIC/boost. |
| SRC | Source return / reference | Return path for GATE driver and VCC decoupling; connects to MOSFET source-forms Kelvin sense reference for accurate current control. |
| VCC | VCC regulator output | Supplies 8.45 V to internal circuits; must be decoupled to SRC with ≥0.47 µF ceramic capacitor to sustain gate drive transients. |
| SEN | Kelvin current sense input | Monitors voltage across RSEN to regulate peak/valley inductor current-rejects PCB trace resistance errors. |
| GND | Analog ground | Reference for current sense comparator and ADJ pin-must be separated from PGND in layout to avoid noise coupling. |
| ADJ | Current reference adjust | Sets LED current via resistor divider from VLED; sources 11.5 µA for electronic transformers to compensate RMS drop from dead time. |
| VP | IC power supply | Primary supply input (6.5–42 V); powers internal regulator and bias circuits-connects to bulk input after rectification. |
| AC1 / AC2 | Active rectifier inputs | Internal low-side NMOS rectifiers (RON = 570 mΩ max); replace two external diodes-reduces conduction loss and board area. |
| PGND | Power ground | High-current return for AC1/AC2 and MOSFET source-must connect to system ground plane under PowerPAD™ for thermal performance. |
Key Features
| Feature | Design Value |
|---|---|
| Hysteretic current control | Eliminates compensation network-enables stable operation across input/output variations without tuning. |
| Integrated active rectifiers | Replaces bridge rectifier diodes-cuts conduction loss by ~40% vs. Schottky diodes and reduces thermal stress on IC. |
| Transformer-compatible current scaling | ADJ pin sources 11.5 µA for electronic transformers-automatically raises input current to maintain LED brightness despite input dead time. |
| Output overvoltage protection | 0.384 V threshold on ADJ pin-disables gate driver within nanoseconds if LED string opens, protecting COUT and D3. |
| Thermally robust HVSSOP | RθJB = 32.1°C/W-enables >12 W output in MR16 form factor with minimal copper area. |
Applications
| MR16 LED Retrofit Lamp | AR111 Commercial Spotlight |
|---|---|
Use Scenario: Replacement of halogen MR16 lamps in track lighting systems using existing electronic transformers. IC Role / Device Role / Timing Role: LED driver IC providing constant input current regulation and active rectification to interface directly with transformer output. Use Value: Eliminates need for external bridge rectifier and enables >85% efficiency in <20 mm diameter lamp body. |
Use Scenario: High-CRI directional lighting in retail displays powered by magnetic or electronic transformers. IC Role / Device Role / Timing Role: Hysteretic boost controller maintaining stable LED current despite transformer waveform distortion and line-voltage variation. Use Value: Delivers consistent lumen output across 100–240 V AC input without trimming components or redesigning PCB. |
| DC-Powered Architectural Lighting | SEPIC-Based Multi-Voltage LED Module |
Use Scenario: 12–48 V DC-powered linear LED strips in transportation or industrial control panels. IC Role / Device Role / Timing Role: Step-up LED driver with integrated gate driver and current sense-accepts wide-input DC without pre-regulation. Use Value: Supports 6–12 LED strings from single 12 V rail; thermal shutdown prevents failure during ambient temperature spikes. |
Use Scenario: Universal LED module compatible with both low-Vf (3×LED) and high-Vf (6×LED) configurations. IC Role / Device Role / Timing Role: Configurable SEPIC/boost driver where output power scales with LED count-not component values. Use Value: One BOM serves multiple SKUs; RADJ1/RADJ2 set OVP and current without changing RSEN or inductor. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LED driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM3409HVMM/NOPB | Current-mode buck-boost controller; requires external MOSFET, gate driver, and compensation network. | Supports higher output power (>25 W) but needs larger solution size and design effort. | Choose LM3409HVMM/NOPB when thermal headroom exceeds HVSSOP limits or when programmable frequency is required. |
| TPS92630QPWPRQ1 | Automotive-grade linear LED controller; no switching, fixed 350 mA output, no AC/transformer support. | Limited to low-power DC applications (<5 W); lacks OVP, thermal shutdown, and active rectification. | Choose TPS92630QPWPRQ1 only for space-constrained, low-noise DC-only designs where EMI must be eliminated. |
Compared with LM3409HVMM/NOPB, TPS92560DGQR/NOPB offers smaller footprint and transformer compatibility at lower design cost; versus TPS92630QPWPRQ1, it delivers higher efficiency and fault protection for mains-connected lighting-but requires inductor selection and layout attention for EMI control.
Availability
TPS92560DGQR/NOPB is available at Aetrix Electronics and suitable for MR16 retrofit lamps, AR111 commercial spotlights, and DC-powered architectural lighting requiring stable component supply, long-lifecycle assurance, and RoHS-compliant packaging.
Supply support for TPS92560DGQR/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 specializing in analog, embedded processing, and power management technologies, with leadership in energy-efficient lighting control solutions.
TPS92560DGQR/NOPB belongs to TI's LED driver product line engineered specifically for transformer-compatible, compact-form-factor AC/DC LED lighting-prioritizing integration, thermal resilience, and seamless retrofit into legacy halogen fixtures.
FAQ
What is the maximum input voltage the TPS92560DGQR/NOPB can handle?
The TPS92560DGQR/NOPB supports a recommended operating VP supply range of 6.5 V to 42 V. Its absolute maximum rating for VP is 45 V. Exceeding 42 V continuously risks violating thermal limits or triggering overvoltage protection, especially when combined with surge events common with electronic transformers. Always use input clamping (e.g., 36 V Zener) in transformer-fed designs.
Does the TPS92560DGQR/NOPB require external compensation components?
No, the TPS92560DGQR/NOPB uses a hysteretic current control architecture that eliminates the need for external compensation networks. Its stability is inherent to the peak/valley inductor current sensing via the SEN pin and does not depend on loop gain or phase margin tuning-reducing BOM count and layout sensitivity.
How does the TPS92560DGQR/NOPB handle different input sources like electronic vs. magnetic transformers?
The TPS92560DGQR/NOPB detects input source type via AC1/AC2 pin behavior and adjusts ADJ pin current accordingly: 11.5 µA for electronic transformers and 9.5 µA for magnetic transformers. This increases the reference voltage to raise input current and compensate for RMS voltage drop caused by inherent dead time-maintaining consistent LED brightness.
Can the TPS92560DGQR/NOPB drive LEDs directly without an external MOSFET?
No, the TPS92560DGQR/NOPB is a controller IC-not a fully integrated driver. It requires an external low-side N-channel MOSFET (Q1) driven by the GATE/SRC pins. The IC provides gate drive capability (8.1 V high level, 100 mA sink/source), but all power switching current flows through the external FET and inductor.
What is the purpose of the PowerPAD™ on the TPS92560DGQR/NOPB package?
The PowerPAD™ on the TPS92560DGQR/NOPB is an exposed thermal pad electrically connected to PGND. It must be soldered to a large PCB copper area tied to system ground to achieve RθJB = 32.1°C/W. This thermal path is essential for dissipating up to 1.5 W in continuous operation and preventing thermal shutdown in enclosed MR16 lamp bodies.
TPS92560DGQR/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- AC DC Offline Switcher
- Topology:
- SEPIC, Step-Up (Boost)
- Internal Switch(s):
- -
- Number of Outputs:
- 1
- Voltage - Supply (Min):
- 6.5V
- Voltage - Supply (Max):
- 42V
- Voltage - Output:
- -
- Current - Output / Channel:
- -
- Frequency:
- -
- Dimming:
- -
- Applications:
- Lighting
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-HVSSOP
TPS92560DGQR/NOPB FAQ
1.How can I place an order for TPS92560DGQR/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS92560DGQR/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 TPS92560DGQR/NOPB reliable?
The price and inventory of TPS92560DGQR/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS92560DGQR/NOPB is usually 5 days.
3.What payment methods are accepted for TPS92560DGQR/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS92560DGQR/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS92560DGQR/NOPB?
TPS92560DGQR/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS92560DGQR/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 TPS92560DGQR/NOPB?
For technical support, including TPS92560DGQR/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS92560DGQR/NOPB requirements.
6.How does Aetrix verify that TPS92560DGQR/NOPB is sourced from the original manufacturer or authorized distributors?
All TPS92560DGQR/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 TPS92560DGQR/NOPB meets industry standards.
7.What is the process for return or replacement of TPS92560DGQR/NOPB?
All TPS92560DGQR/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with TPS92560DGQR/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 TPS92560DGQR/NOPB part is unused and in its original packaging.
Return procedure for TPS92560DGQR/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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