TPS2551QDBVRQ1In StockTexas Instruments
TPS2551QDBVRQ1 is a single-channel automotive-grade load switch IC with adjustable current limit up to 1.1A and thermal shutdown at 155°C. Supports 2.5V–6.5V input range in compact SOT-23-6 package. From $1.44, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- TPS2551QDBVRQ1 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.4400(MOQ 1)
- 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 load switch with adjustable current limit up to 1.1A via external resistor
- Wide input voltage range: 2.5V to 6.5V, suitable for 3.3V and 5V systems
- Integrated thermal shutdown at 155°C for robust overcurrent and overtemperature protection
- Automotive-grade (Q1) qualification for reliability in harsh environment applications
- Compact SOT-23-6 package enabling space-efficient PCB designs
Applications
The TPS2551QDBVRQ1 is widely used in automotive infotainment systems and ADAS modules where controlled power switching and current limiting are critical. It also serves in industrial handheld equipment, USB power distribution, and battery-powered portable devices requiring adjustable inrush current control. Its automotive-grade qualification makes it ideal for under-hood and body electronics applications.
Specifications
| Pbfree Code | Yes |
| YTEOL | 3.9 |
| Additional Feature | Current Limit:1.1A;Thermal Shutdown:155C;Adjustable Current Limit |
| Adjustable Threshold | YES |
| Analog IC - Other Type | LOAD SWITCH |
| Input Voltage-Max | 6.5V |
| Input Voltage-Min | 2.5V |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e4 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Screening Level | AEC-Q100 |
| Supply Current-Max (Isup) | 0.15mA |
| Supply Voltage-Max (Vsup) | 6.5V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Threshold Voltage-Nom | +2.35V |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPS2551QDBVRQ1:
Texas Instruments Adjustable, 1 Channel, PDSO6
Texas Instruments Adjustable, 1 Channel, PDSO6
Frequently Asked Questions
What is the maximum current limit of the TPS2551QDBVRQ1?
The TPS2551QDBVRQ1 supports an adjustable current limit with a maximum of 1.1A. The current limit threshold is set externally via a resistor connected to the ILIM pin, allowing designers to tune protection levels for their specific load requirements.
What input voltage range does the TPS2551QDBVRQ1 support?
The TPS2551QDBVRQ1 operates over an input voltage range of 2.5V to 6.5V, making it compatible with common 3.3V and 5V power rails used in automotive and industrial applications.
Is the TPS2551QDBVRQ1 suitable for automotive applications?
Yes, the TPS2551QDBVRQ1 carries automotive-grade (Q1) qualification, meeting AEC-Q100 standards. It features thermal shutdown at 155°C and robust current limiting, making it well-suited for automotive infotainment, body electronics, and ADAS systems operating in harsh environments.
What package does the TPS2551QDBVRQ1 come in?
The TPS2551QDBVRQ1 is available in a SOT-23-6 (6-pin small outline transistor) package, which offers a compact footprint ideal for space-constrained PCB designs in portable and automotive electronics.
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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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