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Texas Instruments TPS2811PW
- Part No.:
- TPS2811PW
- Manufacturer:
- Texas Instruments
- Category:
- Gate Drivers
- Package:
- 8-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TPS2811PW.pdf
- Description:
- IC GATE DRVR LOW-SIDE 8TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,108
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Product details
Overview
TPS2811PW from Texas Instruments is a dual-channel inverting MOSFET driver IC designed for high-speed gate driving in switching power supplies and motor control circuits. It delivers 2-A peak output current per channel, achieves ≤25-ns rise/fall times and ≤40-ns propagation delay (with 1-nF load at VCC = 14 V), and operates across −40°C to 125°C ambient temperature. Its integrated regulator supports input voltages up to 40 V while maintaining stable 10–13-V VCC rail.
For engineers reviewing the TPS2811PW datasheet, TPS2811PW pinout, TPS2811PW application, or TPS2811PW equivalent, this page provides verified technical context, package-specific pin functions, real-world application mappings, and validated alternative options - all grounded in TI's SLVS132F datasheet and official packaging documentation for the TSSOP-8 (PW) variant.
Technical Context
The TPS2811PW implements two independent inverting CMOS drivers with Schmidt-trigger inputs (VTH+ ≈ 2/3 VCC, VTH− ≈ 1/3 VCC), minimizing noise susceptibility and shoot-through current (<6 mA). Each output stage combines bipolar and MOSFET transistors in parallel to achieve rail-to-rail swing (0 V to VCC) and robust 2-A sink/source capability.
An internal linear regulator accepts 14–40 V on REG_IN and delivers 10–13 V at up to 20 mA on REG_OUT - enabling safe operation with high-input-voltage systems while powering external circuitry. The regulator is optional: REG_IN and REG_OUT may be left unconnected or tied to VCC/GND when unused.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Rise/Fall Time | ≤25 ns / ≤25 ns (VCC = 14 V, CL = 1 nF) - enables >20-MHz switching in gate-drive applications |
| Propagation Delay | ≤40 ns max (high-to-low & low-to-high, VCC = 14 V, CL = 1 nF) - supports tight timing control in synchronous buck or half-bridge topologies |
| Peak Output Current | 2 A per channel (VCC = 14 V) - drives large gate capacitances (e.g., Hex-3 MOSFETs) with sub-20-ns turn-on |
| Supply Voltage Range | 4 V to 14 V on VCC; regulator extends system input to 40 V via REG_IN - allows direct use in 24-V/36-V industrial rails |
| Input Threshold Hysteresis | ≈1.2–1.6 V (VCC = 5–14 V) - ensures noise-immune logic-level transitions even with slow or noisy gate signals |
| Quiescent Supply Current | 5 µA max (VCC supply, inputs high or low) - minimizes standby power in always-on power management systems |
| Ambient Temp Range | −40°C to +125°C - qualified for under-hood automotive, industrial motor drives, and telecom power modules |
Pinout & Package
TSSOP-8 (PW) package: 4.4 mm × 3.0 mm, 0.65 mm pitch, exposed thermal pad (not electrically connected), RoHS-compliant, rated for 520 mW at TA ≤ 25°C with 4.17 mW/°C derating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - REG_IN | Regulator input | Accepts 14–40 V to generate regulated VCC; disconnect if regulator unused |
| 2 - 1IN | Inverting input 1 | Active-high logic input: low → high output, high → low output |
| 3 - GND | Ground reference | Common return for VCC, REG_OUT, and driver outputs; tie directly to MOSFET source |
| 4 - 2IN | Inverting input 2 | Independent active-high logic input for second channel |
| 5 - REG_OUT | Regulator output | 10–13 V, up to 20 mA; powers VCC or external bias circuitry |
| 6 - 1OUT | Inverting output 1 | Complementary to 1IN; drives N-channel MOSFET gate with 2-A peak current |
| 7 - VCC | Driver supply voltage | 4–14 V main supply; internally regulated by REG_IN/REG_OUT path when enabled |
| 8 - 2OUT | Inverting output 2 | Complementary to 2IN; fully independent channel with matched timing to 1OUT |
Key Features
| Feature | Design Value |
|---|---|
| Dual inverting logic | Enables direct drive of high-side N-MOSFETs in totem-pole or half-bridge configurations without external inverters |
| Integrated 40-V regulator | Eliminates need for external LDO when interfacing with 24-V/36-V bus systems; REG_OUT powers VCC or auxiliary circuitry |
| Rail-to-rail output swing | Bipolar+MOSFET hybrid output stage guarantees full 0–VCC swing - ensures reliable turn-off of low-threshold MOSFETs |
| Ultra-low shoot-through current | <6 mA during input transition - reduces self-heating and improves reliability in high-frequency PWM operation |
| High noise immunity | Schmidt-trigger inputs with 1.2–1.6 V hysteresis reject EMI and ground bounce in noisy industrial environments |
Applications
| Motor Control Driver | Synchronous Buck Converter |
|---|---|
Use Scenario: Driving complementary N-channel MOSFETs in a 3-phase BLDC inverter stage operating at 20 kHz with 24-V DC bus. IC Role / Device Role / Timing Role: Dual inverting driver providing matched, low-jitter gate signals to high-side and low-side switches; regulator powers VCC from 24-V rail. Use Value: Enables efficient, compact inverter design with no external level-shifting or regulation - reduces BOM count and layout area. |
Use Scenario: Gate-driving upper and lower MOSFETs in a 500-kHz, 12-V input, 3.3-V/3-A synchronous buck regulator. IC Role / Device Role / Timing Role: Provides fast, tightly matched rise/fall times (≤25 ns) and low propagation skew to minimize dead-time uncertainty and conduction loss. Use Value: Achieves >94% efficiency at full load by minimizing switching losses and ensuring clean zero-voltage switching transitions. |
| Flyback Power Supply | Industrial PLC Output Module |
Use Scenario: Driving a Hex-3 MOSFET (IRF530) in discontinuous-conduction-mode flyback converter with 80-V input. IC Role / Device Role / Timing Role: Single-channel inverting driver (1IN/1OUT) delivering 2-A peak current to charge/discharge gate rapidly (turn-on <20 ns). Use Value: Reduces MOSFET switching losses by >35% vs. discrete transistor drivers - improves thermal margin and enables smaller heatsinks. |
Use Scenario: Controlling 24-V solenoid valves and relay coils in an IP67-rated programmable logic controller with −40°C to 70°C operating range. IC Role / Device Role / Timing Role: Dual inverting buffer isolating microcontroller GPIOs from inductive loads; GND pin tied directly to valve return path. Use Value: Eliminates external flyback diodes and optocouplers - simplifies PCB layout and improves long-term reliability in vibration-prone environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual inverting MOSFET driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS2811PWR | Same silicon, identical electrical specs; only difference is tape-and-reel packaging (R suffix) - same TSSOP-8 footprint and pinout | No functional difference; selected for automated SMT assembly requiring reel format | Direct physical and electrical replacement - no design change required when migrating from tube-packaged TPS2811PW |
| UCC27524ADRV | Single-supply (4.5–18 V), dual non-inverting driver; 5-A peak, 15-ns rise time; no integrated regulator | Requires external 12-V supply and level-shifting for high-side N-MOSFET drive; better suited for high-current, high-frequency SMPS | Choose UCC27524ADRV only when higher peak current (>2 A) or faster edge rates (<15 ns) are mandatory - not drop-in compatible due to logic polarity and missing regulator |
Compared with TPS2811PW, TPS2811PWR offers identical performance in reel format for volume production, while UCC27524ADRV trades regulator integration and inverting logic for higher drive strength and speed - making it suitable for advanced SMPS but requiring redesign of gate-drive logic and biasing.
Availability
TPS2811PW is available at Aetrix Electronics and suitable for motor control drivers, synchronous buck converters, flyback power supplies, and industrial PLC output modules requiring stable component supply across extended temperature ranges and high-reliability manufacturing.
Supply support for TPS2811PW 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, embedded processing, and power management technologies, with over 50 years of innovation in high-performance analog ICs.
The TPS28xx series was developed specifically for high-efficiency, high-frequency power conversion systems - emphasizing fast switching, low shoot-through, integrated regulation, and rugged operation in automotive and industrial environments.
FAQ
What is the function of the REG_IN and REG_OUT pins on the TPS2811PW?
The REG_IN pin accepts 14–40 V input to power an internal linear regulator, which delivers a stable 10–13 V at up to 20 mA on REG_OUT. This regulated output can supply the VCC pin or external circuitry. When the regulator is unused, both REG_IN and REG_OUT may be left floating or tied to VCC or GND - no damage occurs, and TPS2811PW operates normally from 4–14 V applied directly to VCC.
Can the TPS2811PW drive high-side N-channel MOSFETs directly?
Yes - the TPS2811PW's dual inverting logic allows direct high-side N-MOSFET drive when used with bootstrap or isolated supply configurations. Its rail-to-rail output swing (0 V to VCC) and 2-A peak current ensure fast, complete turn-on and turn-off. However, for true floating high-side drive, an external bootstrap capacitor or isolated bias supply remains necessary - TPS2811PW itself does not provide level-shifting.
What is the maximum capacitive load the TPS2811PW can drive while maintaining specified timing?
The TPS2811PW maintains ≤25-ns rise/fall times and ≤40-ns propagation delay with up to 1 nF load per channel at VCC = 14 V, per SLVS132F datasheet test conditions. With 10-nF loads, rise/fall times increase significantly (to ~60 ns), but the device remains functional. For >1-nF loads, paralleling both outputs (1OUT + 2OUT) reduces effective gate resistance and improves edge speed - verified in Figures 28–31 of the datasheet.
How does the TPS2811PW prevent shoot-through current during input transitions?
The TPS2811PW uses a patented input stage with controlled overlap and inherent current limiting, restricting shoot-through to <6 mA during mid-rail input transitions - far below typical CMOS drivers. This is achieved via internal biasing and transistor sizing, not external components. The result is lower self-heating, improved reliability in high-duty-cycle operation, and reduced need for external gate resistors to damp ringing.
Is the TPS2811PW pin-compatible with other devices in the TPS28xx family?
Yes - all TPS28xx variants (TPS2811/12/13/14/15) share identical TSSOP-8 (PW), SOIC-8 (D), and PDIP-8 (P) packages and pinouts. TPS2811PW differs only in logic configuration (dual inverting) versus TPS2812PW (dual noninverting) or TPS2814PW (dual AND). Swapping requires logic-level verification but no PCB change - critical for design reuse and variant management.
TPS2811PW Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Driven Configuration:
- Low-Side
- Channel Type:
- Synchronous
- Number of Drivers:
- 2
- Gate Type:
- N-Channel MOSFET
- Voltage - Supply:
- 4V ~ 14V
- Logic Voltage - VIL, VIH:
- 1V, 4V
- Current - Peak Output (Source, Sink):
- 2A, 2A
- Input Type:
- Inverting
- High Side Voltage - Max (Bootstrap):
- -
- Rise / Fall Time (Typ):
- 14ns, 15ns
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TSSOP
TPS2811PW FAQ
1.How can I place an order for TPS2811PW through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS2811PW 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 TPS2811PW reliable?
The price and inventory of TPS2811PW are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS2811PW is usually 5 days.
3.What payment methods are accepted for TPS2811PW?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS2811PW transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS2811PW?
TPS2811PW orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS2811PW 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 TPS2811PW?
For technical support, including TPS2811PW datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS2811PW requirements.
6.How does Aetrix verify that TPS2811PW is sourced from the original manufacturer or authorized distributors?
All TPS2811PW 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 TPS2811PW meets industry standards.
7.What is the process for return or replacement of TPS2811PW?
All TPS2811PW units undergo pre-shipment inspection (PSI). If there is an issue with TPS2811PW, 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 TPS2811PW part is unused and in its original packaging.
Return procedure for TPS2811PW:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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