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Texas Instruments TPS2817DBVR
- Part No.:
- TPS2817DBVR
- Manufacturer:
- Texas Instruments
- Category:
- Gate Drivers
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TPS2817DBVR.pdf
- Description:
- IC GATE DRVR LOW-SIDE SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,484
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Product details
Overview
TPS2817DBVR from Texas Instruments is a noninverting single-channel high-speed MOSFET driver with active pullup input, 2-A peak output current, 14-ns typical rise/fall times (VCC = 10 V, CL = 1 nF), and integrated 11.5-V series regulator supporting 8–40 V VDD input. It operates across –40°C to 125°C and drives power switches in high-frequency DC/DC converters.
For engineers reviewing the TPS2817DBVR datasheet, TPS2817DBVR pinout, TPS2817DBVR application, or TPS2817DBVR equivalent, key selection criteria include its noninverting logic polarity, active pullup eliminating external resistors for open-collector PWM controllers, regulator-enabled operation up to 40 V, and SOT-23-5 footprint compatibility with space-constrained power stages.
Technical Context
The TPS2817DBVR uses a BiCMOS output stage to deliver fast switching (tr/tf ≤ 30 ns) while minimizing shoot-through current through inherent design. Its input stage features standard CMOS thresholds (~2/3 VCC for rising edge, ~1/3 VCC for falling edge) and includes an active pullup circuit-distinct from TPS2819-enabling direct interface with open-collector controllers like TL5001 without external biasing.
The internal series regulator accepts 8–40 V on VDD and delivers a regulated ~11.5 V at up to 20 mA to VCC, allowing single-supply operation in systems where main rail exceeds 14 V. When unused, VDD must be tied to VCC; grounding VDD destroys the regulator.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output polarity | Noninverting: OUT follows IN logic state - enables direct gate drive of N-channel high-side or low-side MOSFETs without inversion logic. |
| Rise/fall time | 14 ns typ (VCC = 10 V, CL = 1 nF) - supports >10 MHz switching in resonant or synchronous buck topologies. |
| Peak output current | 2 A - sufficient to charge/discharge large gate capacitances (e.g., 2000 pF) within nanoseconds, reducing MOSFET switching losses. |
| Regulator output | 11.5 V ±1.5 V (IO ≤ 20 mA) - powers internal circuitry and optionally supplies adjacent ICs (e.g., PWM controller) when VDD ≥ 14 V. |
| Input threshold hysteresis | 1.3 V - improves noise immunity against supply or layout-induced glitches during PWM signal transitions. |
| Ambient temp range | –40°C to 125°C - qualified for industrial and automotive under-hood power stages without derating. |
Pinout & Package
TPS2817DBVR is housed in a 5-pin SOT-23 (DBV) package, tape-and-reel compatible (3000 pcs/reel), with moisture sensitivity level 1 (260°C peak reflow). Pin 1 is VDD; pin 2 is GND; pin 3 is IN; pin 4 is OUT; pin 5 is VCC. The package supports surface-mount assembly and thermal dissipation up to 437 mW at TA ≤ 25°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pin 1) | Regulator supply input | Accepts 8–40 V to enable internal 11.5-V regulator; must be connected to VCC if regulator unused - grounding destroys device. |
| GND (Pin 2) | Power and signal reference | Common return path for regulator, driver output, and input logic - requires low-inductance PCB connection to minimize ground bounce. |
| IN (Pin 3) | Logic input with active pullup | CMOS-compatible input with built-in pullup - eliminates external resistor when interfacing open-collector PWM outputs (e.g., TL5001). |
| OUT (Pin 4) | High-current gate drive output | Delivers ±2 A peak into capacitive loads; voltage swing limited to –0.5 V to VCC + 0.5 V - requires local 0.1-µF ceramic bypass to GND. |
| VCC (Pin 5) | Driver supply / regulator output | Supplies BiCMOS output stage; sourced by internal regulator when VDD > 14 V, or directly from external supply when VDD = VCC ≤ 14 V. |
Key Features
| Feature | Design Value |
|---|---|
| Active pullup input circuit | Enables direct connection to open-collector PWM controllers without external bias resistors - reduces BOM count and layout area in isolated flyback or boost controllers. |
| Integrated 11.5-V series regulator | Allows single-rail operation from 8–40 V input - eliminates need for external LDO when powering both driver and PWM IC from same high-voltage bus (e.g., 24 V industrial supply). |
| BiCMOS output stage | Combines bipolar speed and CMOS low quiescent current - achieves 14-ns switching with <50 µA total supply current (VCC + VDD) under static conditions. |
| High noise immunity | 1.3-V input hysteresis and rail-to-rail output swing - maintains reliable logic transitions in electrically noisy power converter environments with fast dV/dt edges. |
| SOT-23-5 thermal performance | 437 mW power rating at 25°C ambient - supports continuous 2-A peak drive in compact DC/DC modules with minimal heatsinking. |
Applications
| Motor Drive Half-Bridge Gate Driver | Industrial DC/DC Converter Controller Interface |
|---|---|
Use Scenario: Driving high-side and low-side N-channel MOSFETs in a 24-V brushless DC motor half-bridge, where gate drive timing skew must be minimized to prevent shoot-through. IC Role / Device Role: Noninverting gate driver providing matched 14-ns rise/fall times and sub-45-ns propagation delay to synchronize switching edges. Use Value: Active pullup ensures clean logic transitions from microcontroller GPIO without external components; regulator allows direct 24-V bus connection - simplifying power tree. | Use Scenario: Interfacing a TL5001 PWM controller (open-collector output) to a TPS1110 P-channel MOSFET in a 5-V input, 3.3-V/3-A step-down converter. IC Role / Device Role: Level-shifting, high-current gate driver translating PWM logic to MOSFET gate voltage while sourcing 2 A peak for fast turn-on. Use Value: Eliminates external pullup resistor; 11.5-V regulated VCC powers TL5001 - enabling single-supply operation and >90% efficiency at 2-A load. |
| Telecom PoE Power Stage | Automotive LED Driver Switch Control |
Use Scenario: Driving primary-side MOSFETs in IEEE 802.3at PoE+ power sourcing equipment (PSE), operating from 48-V input with strict EMI and thermal constraints. IC Role / Device Role: High-speed, low-jitter gate driver ensuring precise dead-time control and fast transient response during load steps. Use Value: Regulator extends safe operating range to 40 V - accommodates 48-V transients; SOT-23-5 footprint fits dense PSE PCB layouts. | Use Scenario: Controlling high-current LED strings in automotive headlamp modules using a 12-V battery supply with cold-crank down to 6 V. IC Role / Device Role: Robust gate driver delivering 2-A peak current to sustain LED switch conduction during low-VBAT conditions. Use Value: –40°C to 125°C rating ensures reliability under hood; 1.3-V hysteresis prevents false triggering from engine cranking noise. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar MOSFET driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS2819DBVR | No active pullup circuit; otherwise identical pinout, regulator, and switching specs. | Requires external pullup resistor for open-collector PWM inputs; lower input current (<50 µA vs 650 µA at low IN). | Select TPS2819DBVR when interfacing with push-pull controllers or when ultra-low input bias current is critical. |
| UCC27517DBVR | Higher 4-A peak output, no internal regulator, 5-V to 18-V VDD range, same SOT-23-5 package. | Cannot operate above 18 V without external regulation; lacks active pullup but offers higher drive strength for GaN FETs. | Select UCC27517DBVR when driving high-Qg GaN switches or when system already provides regulated 12-V rail - not suitable for direct 24/48-V bus connection. |
Compared with TPS2817DBVR, TPS2819DBVR removes the active pullup to reduce input current but requires external biasing; UCC27517DBVR trades regulator capability for higher peak current and wider VDD tolerance, making it better suited for GaN or multi-rail designs where regulation is handled externally.
Availability
TPS2817DBVR is available at Aetrix Electronics and suitable for industrial motor drives, telecom DC/DC converters, PoE power sourcing equipment, and automotive LED lighting systems requiring stable component supply and long-term production continuity.
Supply support for TPS2817DBVR 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 leader specializing in analog and embedded processing technologies, with decades of expertise in power management and high-speed interface solutions.
The TPS28xx family was designed specifically for high-efficiency, high-frequency power conversion systems - delivering robust gate drive with integrated regulation and logic interface features to simplify DC/DC, motor control, and PoE designs.
FAQ
What is the function of the VDD pin on the TPS2817DBVR?
The VDD pin on the TPS2817DBVR is the input to the internal series regulator. When supplied with 8–40 V, it generates a regulated ~11.5 V output on VCC (pin 5) to power the driver and optionally adjacent circuitry. If the regulator is not needed, VDD must be tied to VCC - grounding VDD will permanently damage the TPS2817DBVR.
Does the TPS2817DBVR support direct connection to open-collector PWM controllers?
Yes, the TPS2817DBVR includes an active pullup circuit on its IN pin (pin 3), enabling direct interface with open-collector PWM controllers such as the TL5001 without requiring an external pullup resistor - a key differentiator from the TPS2819DBVR variant.
What is the maximum capacitive load the TPS2817DBVR can drive while maintaining specified rise/fall times?
The TPS2817DBVR is characterized for 1-nF load with 14-ns typical rise/fall times (VCC = 10 V). While it can drive larger loads (e.g., 2200 pF), rise/fall times increase - Figure 4 and Figure 5 in the datasheet show tr/tf ≈ 35 ns at CL = 2200 pF. For optimal performance, keep gate loop inductance low and use local 0.1-µF ceramic bypass on VCC–GND near the TPS2817DBVR.
Can the TPS2817DBVR operate from a 5-V supply?
Yes, the TPS2817DBVR supports VCC from 4 V to 14 V. At 5 V, its input thresholds are ~1.7 V (negative-going) and ~3.3 V (positive-going), and output swing remains rail-to-rail (0.18 V low, 4.8 V high at 100 mA). However, the internal regulator requires ≥8 V on VDD - so for 5-V systems, tie VDD to VCC and omit external regulation.
How does the TPS2817DBVR minimize shoot-through current in bridge configurations?
The TPS2817DBVR minimizes shoot-through current through inherent BiCMOS output stage design that limits overlap between high-side and low-side transistor conduction. Its fast, matched rise/fall times (≤30 ns) and tight propagation delay matching (tPLH/tPHL ≤ 45 ns) ensure precise edge alignment - critical for preventing simultaneous conduction in half-bridge or full-bridge topologies driven by complementary signals.
TPS2817DBVR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Driven Configuration:
- Low-Side
- Channel Type:
- Single
- Number of Drivers:
- 1
- Gate Type:
- N-Channel MOSFET
- Voltage - Supply:
- 4V ~ 14V
- Logic Voltage - VIL, VIH:
- 1V, 4V
- Current - Peak Output (Source, Sink):
- 2A, 2A
- Input Type:
- Non-Inverting
- High Side Voltage - Max (Bootstrap):
- -
- Rise / Fall Time (Typ):
- 14ns, 14ns
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
TPS2817DBVR FAQ
1.How can I place an order for TPS2817DBVR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS2817DBVR 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 TPS2817DBVR reliable?
The price and inventory of TPS2817DBVR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS2817DBVR is usually 5 days.
3.What payment methods are accepted for TPS2817DBVR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS2817DBVR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS2817DBVR?
TPS2817DBVR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS2817DBVR 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 TPS2817DBVR?
For technical support, including TPS2817DBVR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS2817DBVR requirements.
6.How does Aetrix verify that TPS2817DBVR is sourced from the original manufacturer or authorized distributors?
All TPS2817DBVR 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 TPS2817DBVR meets industry standards.
7.What is the process for return or replacement of TPS2817DBVR?
All TPS2817DBVR units undergo pre-shipment inspection (PSI). If there is an issue with TPS2817DBVR, 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 TPS2817DBVR part is unused and in its original packaging.
Return procedure for TPS2817DBVR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TPS2817DBVR Tags
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IRS2005STRPBF
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2EDN7524RXTMA1
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