TPS2051BDBVTIn StockTexas Instruments
TPS2051BDBVT is a single-channel, current-limited power distribution switch with 500mA limit and 2.7V–5.5V input range, ideal for USB and portable systems. From $0.09 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- TPS2051BDBVT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.0946(MOQ 10)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-channel power distribution switch with 500mA current limit for overcurrent protection
- Wide input voltage range of 2.7V to 5.5V, suitable for 3.3V and 5V systems
- SOT-23 (5-Pin) compact package ideal for space-constrained designs
- Active-high enable control with fast turn-on for dynamic load switching
- Low on-resistance minimizes voltage drop and power dissipation in load paths
Applications
The TPS2051BDBVT is widely used in USB power switching, battery-powered portable devices, and load management circuits. It protects downstream components by limiting inrush and fault currents in single-supply systems. Typical applications include USB ports, embedded computing boards, and handheld consumer electronics requiring reliable power-path control.
Specifications
| YTEOL | 0 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | LOAD SWITCH |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.7V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.07mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPS2051BDBVT:
Texas Instruments Fixed, 1 Channel, PDSO5
Frequently Asked Questions
What is the maximum current limit of the TPS2051BDBVT?
The TPS2051BDBVT provides a fixed current limit of 500mA, protecting downstream loads from overcurrent conditions in USB and portable power applications.
What is the input voltage range supported by TPS2051BDBVT?
The TPS2051BDBVT supports an input voltage range of 2.7V to 5.5V, making it compatible with both 3.3V and 5V power rails commonly used in embedded and consumer electronics designs.
What package does the TPS2051BDBVT come in?
The TPS2051BDBVT is available in a SOT-23 5-pin (DBV) package, which is a compact surface-mount form factor suitable for space-constrained PCB designs.
Can the TPS2051BDBVT be used in USB power applications?
Yes, the TPS2051BDBVT is well-suited for USB power switching applications. Its 500mA current limit aligns with USB 2.0 port requirements, and its 2.7V–5.5V input range covers the USB 5V bus voltage with tolerance.
Are there alternative parts compatible with TPS2051BDBVT?
Compatible alternatives include the TPS2052BDBVT (dual-channel version) and other Texas Instruments TPS205x series load switches. Third-party equivalents from manufacturers like Diodes Inc. and On Semiconductor may also be pin-compatible with similar specifications.
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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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