TPS40051PWP Texas Instruments (TSSOP) In Stock
TPS40051PWP is a voltage-mode PWM switching controller by Texas Instruments. Key specs: 8 V to 40 V input range, 300 kHz adjustable frequency, 16-pin HTSSOP package. From competitive pricing, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Pin Count
- 16
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- TPS40051PWP Datasheet PDF
- Price
- From $3.4342(MOQ 540)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Wide 8 V to 40 V input voltage range accommodates telecom and industrial 24 V bus designs
- Programmable switching frequency up to 300 kHz reduces output filter size and cost
- Voltage-mode PWM control with adjustable soft-start minimizes inrush current during power-up
Applications
The TPS40051PWP is ideal for non-isolated step-down DC-DC converters in industrial automation, telecom infrastructure, and server power supplies operating from 24 V or 48 V bus rails. Its wide input range and programmable frequency make it suitable for distributed power architectures where multiple point-of-load converters supply 3.3 V, 5 V, or 12 V rails. The device is also used in battery-powered equipment and instrumentation requiring efficient energy conversion with accurate output regulation.
Specifications
| Pbfree Code | Yes |
| YTEOL | 3.9 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 8V |
| Input Voltage-Nom | 24V |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 20A |
| Output Voltage-Max | 35V |
| Output Voltage-Min | 0.7V |
| Output Voltage-Nom | 32.5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | PUSH-PULL |
| Switching Frequency-Max | 1000kHz |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does TPS40051PWP support, and how does that benefit 24 V industrial systems?
TPS40051PWP operates from 8 V to 40 V input, making it directly compatible with standard 24 V industrial bus voltages that can surge to 36 V during transients. This eliminates the need for an input clamp circuit, reduces component count, and simplifies the power supply design while maintaining stable regulation across the full operating range.
How is the switching frequency configured on TPS40051PWP, and what range is achievable?
Switching frequency on TPS40051PWP is set by an external resistor connected to the RT pin, allowing the designer to program values typically from 100 kHz to 300 kHz. Higher frequencies reduce the inductance and capacitance required for output filtering, enabling compact PCB layouts, while lower frequencies improve efficiency in applications where switching losses dominate.
What package does TPS40051PWP use, and how does it compare to the SOIC-16 alternative for thermal management?
TPS40051PWP is housed in a 16-pin HTSSOP (PowerPAD) package with an exposed thermal pad, offering a junction-to-board thermal resistance of approximately 35 °C/W. Compared to a standard SOIC-16 which lacks a thermal pad, this reduces junction temperature by up to 20 °C at 1 W dissipation, enabling higher continuous output current in space-constrained designs.
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Why Buy from FindMyChip
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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 540+ | $3.6141 | $1951.60 |
| 1080+ | $3.5235 | $3805.36 |
| 2520+ | $3.4342 | $8654.26 |
In Stock · 24h Response · Worldwide Shipping
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