TPS65056RSMTG4 Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock
The TPS65056RSMTG4 is a 6-channel DC-DC power management IC integrating multiple switching regulators and LDOs with adjustable voltage thresholds for flexible multi-rail power sequencing. It operates in a compact 32-pin QFN package and is optimized for FPGA, DSP, and application processor power trees requiring multiple regulated outputs from a single device. Ideal for embedded computing, industrial control, and telecommunications equipment demanding efficient, compact multi-rail power solutions.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 32
- Lifecycle
- OBSOLETE
- Datasheet
- TPS65056RSMTG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TPS65056RSMTG4?
- 6-channel integrated power management with multiple DC-DC converter outputs
- Adjustable output voltage thresholds for flexible multi-rail sequencing
- 32-pin QFN (S-PQCC-N32) compact thermal package with exposed pad
- Integrated voltage supervisor and reset functions for system power monitoring
- Single-IC solution simplifying FPGA, DSP, and SoC power tree design
- RoHS-compliant lead-free construction per JESD-609 e4
- Reduces external component count versus discrete multi-rail regulator implementations
What is TPS65056RSMTG4 used for?
The TPS65056RSMTG4 is designed to supply the complex multi-rail power trees of FPGAs, DSPs, and application processors where core voltage, I/O voltage, auxiliary rails, and memory supply rails must all be generated from a single input supply with proper power-up sequencing. It is used in industrial embedded computing boards, communications line cards, and test equipment where integrating 6 regulated outputs in one 32-pin QFN significantly reduces board area and BOM cost compared to discrete regulator approaches. It is also suited for portable media devices and single-board computers requiring efficient, coordinated multi-channel power management.
What are the specifications of TPS65056RSMTG4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | S-PQCC-N32 |
| JESD-609 Code | e4 |
| Number of Channels | 6 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC32,.16SQ,16 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Supply Voltage-Nom (Vsup) | 3.6V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.4mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the TPS65056RSMTG4 datasheet?
TPS65056RSMTG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TPS65056RSMTG4?
Compatible alternatives and drop-in replacements for TPS65056RSMTG4:
Frequently Asked Questions
How many regulated output channels does TPS65056RSMTG4 provide, and what types of converters are integrated?
The TPS65056RSMTG4 integrates 6 output channels combining switching DC-DC converters and linear regulator stages, all within a single 32-pin QFN IC. This allows a designer to power the core voltage—often 1.0 V or 1.2 V—along with multiple I/O supply rails, DDR memory supply, and auxiliary analog rails from one device, greatly simplifying the power tree on FPGA or processor boards.
For an FPGA design requiring 1.0 V core, 1.8 V I/O, and 3.3 V auxiliary rails, how does TPS65056RSMTG4 reduce board complexity?
Rather than placing 3 or more discrete switching regulator ICs—each needing its own inductor, input/output capacitors, and feedback resistors—TPS65056RSMTG4 integrates all required converters in one 32-pin QFN footprint of approximately 5 mm × 5 mm. This consolidation reduces PCB layer count, decreases total component count by potentially 20 or more passives, and simplifies power sequencing since the IC coordinates rail startup order internally.
What does the adjustable threshold feature in TPS65056RSMTG4 enable for power sequencing critical systems?
The adjustable voltage thresholds on TPS65056RSMTG4 allow designers to configure the exact power-good voltage level for each of its 6 output channels, controlling the sequence in which rails enable during startup. For FPGAs that require the core supply to reach, for example, 0.9 V before the I/O supply is allowed to ramp, the adjustable threshold ensures the supervision logic enforces this order, preventing latch-up or damage from incorrect power sequencing.
What package does TPS65056RSMTG4 use, and how does the QFN thermal pad affect PCB design?
The TPS65056RSMTG4 comes in a 32-pin QFN package (S-PQCC-N32) with an exposed thermal pad on its underside measuring approximately 3.7 mm × 3.7 mm. The exposed pad must be soldered to a copper pour connected to multiple thermal vias to dissipate heat from the integrated switching stages. This thermal connection is essential at higher output currents to keep junction temperature within the rated operating range.
In which applications is TPS65056RSMTG4 a more practical choice than assembling equivalent capability from discrete regulators?
TPS65056RSMTG4 is the preferred solution when board space is limited and the design requires 6 or more regulated rails—such as on single-board computers, FPGA evaluation kits, or communications module cards. Discrete solutions for 6 rails would require at least 6 regulator ICs, 6 inductors, and dozens of capacitors and resistors, occupying several times more area. Consolidating into one 32-pin QFN saves roughly 60% to 70% of the power management footprint while also simplifying firmware-based power supervision.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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