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Texas Instruments UCC27532DBVR
- Part No.:
- UCC27532DBVR
- Manufacturer:
- Texas Instruments
- Category:
- Gate Drivers
- Package:
- SOT-23-6
- Datasheet:
-
UCC27532DBVR.pdf
- Description:
- IC GATE DRVR LOW-SIDE SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:296
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Product details
Overview
UCC27532DBVR from Texas Instruments is a single-channel, high-speed MOSFET/IGBT gate driver with 2.5A source and 5A sink peak output current, rail-to-rail drive capability, 17ns typical propagation delay, and split-output (OUTH/OUTL) architecture for independent turn-on/turn-off control-used in SiC FET converters, solar inverters, and HEV/EV on-board chargers.
For engineers reviewing the UCC27532DBVR datasheet, UCC27532DBVR pinout, UCC27532DBVR application, or UCC27532DBVR equivalent, key selection criteria include asymmetric drive strength, -40°C to +140°C operation, CMOS input threshold scaling with VDD ≤18V, UVLO with 8.9V turn-on threshold and 0.7V hysteresis, and SOT-23-6 (DBV) package compatibility with high-density power layouts.
Technical Context
The UCC27532DBVR implements a hybrid pull-up output stage combining P- and N-channel MOSFETs to deliver brief 2.5A peak sourcing during Miller plateau transition, while its dedicated 5A-sink OUTL path minimizes pull-down impedance (ROL ≤0.85Ω at 25°C) to suppress parasitic Miller turn-on in IGBTs and SiC FETs. Its CMOS-compatible input features 55%/45% VDD-dependent thresholds with 2.1V hysteresis for noise immunity.
UVLO circuitry holds outputs low when VDD falls below 8.2V (typical turn-off), enabling safe startup/shutdown sequencing. The EN pin has fixed TTL-compatible thresholds (VEN_H = 1.9V, VEN_L = 1.0V) and internal pull-up; floating EN enables normal operation, while grounding disables output-supporting system-level fault management without external logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDD Range | 10V to 35V - supports wide-bias designs for Si, IGBT, and SiC power switches without level-shifting. |
| Peak Output Current | 2.5A source (OUTH), 5A sink (OUTL) - asymmetrical drive optimizes turn-on speed and turn-off robustness against dV/dt-induced Miller conduction. |
| Propagation Delay | 17ns typical - enables high-frequency switching (>1 MHz) with precise timing control in resonant and soft-switching topologies. |
| Rise/Fall Time | 15ns / 7ns typical (1.8nF load) - fast edge rates reduce switching losses but require careful PCB layout to manage EMI. |
| Input Threshold | CMOS-type, VDD-dependent (55% rise / 45% fall) below 18V; fixed above - simplifies controller interface across multiple supply rails. |
| UVLO Threshold | 8.9V turn-on, 8.2V turn-off, 0.7V hysteresis - prevents erratic operation during brown-out and ensures clean power-up sequencing. |
| Operating Temp | -40°C to +140°C - qualified for under-hood automotive, industrial motor drives, and high-ambient renewable energy systems. |
Pinout & Package
UCC27532DBVR is housed in a Pb-free, MSL Level-1 compatible 6-pin SOT-23 (DBV) package measuring 2.9mm × 1.6mm × 1.15mm, optimized for thermal performance on standard PCBs with θJA = 178.3°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - EN | Enable input | TTL-compatible enable with internal pull-up; grounded to disable output, open or high for active operation-supports system-level safety shutdown. |
| 2 - IN | Non-inverting input | CMOS threshold input referenced to VDD; floating state forces output low-eliminates need for external pull-down in unconnected states. |
| 3 - VDD | Bias supply input | 10–35V rail powering internal logic and output stage; includes UVLO circuitry that clamps outputs low outside operating range. |
| 4 - GND | Power ground reference | Single ground node for all signals; requires low-inductance connection to minimize ground bounce during high di/dt switching. |
| 5 - OUTL | 5A sink output | Dedicated low-side output terminal; sinks up to 5A to rapidly discharge gate capacitance and suppress Miller-induced false turn-on. |
| 6 - OUTH | 2.5A source output | Dedicated high-side output terminal; sources up to 2.5A with hybrid PMOS/NMOS structure for enhanced Miller plateau drive. |
Key Features
| Feature | Design Value |
|---|---|
| Split-output architecture (OUTH/OUTL) | Enables independent gate resistor placement for fine-tuned dV/dt control-critical for EMI reduction and SiC FET reliability. |
| Asymmetrical drive strength | 2.5A source / 5A sink ratio directly addresses Miller turn-on vulnerability in high-dV/dt applications like synchronous rectification. |
| VDD-dependent CMOS input threshold | Eliminates external level-shifting for controllers operating at 3.3V, 5V, or 12V-input logic adapts automatically as VDD scales from 10V to 18V. |
| Under-voltage lockout (UVLO) | Prevents partial drive during brown-out by holding outputs low until VDD exceeds 8.9V, avoiding shoot-through and device stress. |
| Robust input tolerance | IN and EN pins withstand -5V DC below ground-enables direct interfacing with isolated gate drivers or fault-sensing circuits without clamping diodes. |
Applications
| Solar Inverters | HEV/EV On-Board Chargers |
|---|---|
Use Scenario: Driving half-bridge SiC MOSFETs in DC-AC conversion stages with >100 kHz switching frequency and high dv/dt. IC Role / Device Role / Timing Role: High-side/low-side gate driver providing asymmetric current to control slew rate and suppress Miller-induced conduction during bus voltage transitions. Use Value: 5A sink capability reduces gate discharge time by >40% vs symmetrical drivers, lowering switching losses and improving inverter efficiency at 99%+ levels. |
Use Scenario: Controlling bidirectional CLLLC resonant converter switches in 11–22 kW EV charging systems operating at 300–800 VDC bus. IC Role / Device Role / Timing Role: Single-channel driver managing primary-side GaN/SiC FETs with precise timing alignment and fast propagation (<17 ns) to maintain ZVS across load range. Use Value: 140°C rated operation enables direct mounting near magnetics without derating, reducing thermal interface layers and system footprint. |
| Industrial Motor Drives | Renewable Energy Power Conversion |
Use Scenario: Gate driving IGBT modules in VFDs for HVAC compressors and pumps, requiring robustness against motor cable reflections and ground noise. IC Role / Device Role / Timing Role: Low-side driver with strong sink current ensuring reliable turn-off despite high dV/dt transients induced by long motor cables. Use Value: ROL ≤0.85Ω (25°C) limits Miller voltage spike to <1.2V, preventing unintended IGBT turn-on and eliminating need for external Miller clamp circuits. |
Use Scenario: Driving boost-stage Si MOSFETs in wind turbine converters exposed to wide ambient temperature swings (-40°C to +70°C). IC Role / Device Role / Timing Role: High-current gate driver delivering stable 2.5A/5A drive across full temperature range without external compensation. Use Value: Guaranteed operation to +140°C junction enables use in sealed enclosures with minimal heatsinking, reducing BOM cost and assembly complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| UCC27531DBVR | Single-output (combined OUTH/OUTL) version with 2.5A/2.5A symmetrical drive-no independent turn-on/turn-off tuning. | Limited suitability for SiC or high-dV/dt IGBTs where Miller immunity is critical; preferred for cost-sensitive, lower-performance SMPS. | Select UCC27531DBVR only when symmetrical drive suffices and board space allows simplified routing without separate gate resistors. |
| LM5113SDX/NOPB | 3A/3A symmetrical drive, 5V–14V VDD range, integrated bootstrap diode, no UVLO hysteresis spec-lower sink strength and narrower supply range. | Better suited for low-voltage synchronous buck controllers; not rated for >100V bus or >140°C ambient environments. | Choose LM5113SDX/NOPB for compact 12V-input DC-DC designs where bootstrap biasing is required and thermal margin is ample. |
Compared with UCC27531DBVR and LM5113SDX/NOPB, the UCC27532DBVR uniquely delivers 5A sink current in a 6-pin SOT-23 package with full -40°C to +140°C qualification-making it the only option among the three capable of reliably driving SiC FETs in high-temperature, high-dV/dt renewable energy systems without external Miller clamps or derating.
Availability
UCC27532DBVR is available at Aetrix Electronics and suitable for solar inverters, HEV/EV on-board chargers, and industrial motor drives requiring stable component supply, extended temperature operation, and high-reliability gate drive performance.
Supply support for UCC27532DBVR 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 focused on analog and embedded processing technologies, with decades of expertise in power management ICs and high-reliability industrial solutions.
The UCC27532DBVR belongs to TI's high-speed gate driver product line, engineered specifically for demanding power conversion applications including SiC and GaN-based systems, where Miller immunity, wide temperature range, and compact packaging are essential.
FAQ
What is the maximum recommended VDD voltage for UCC27532DBVR?
The absolute maximum VDD rating for UCC27532DBVR is 35V, but the recommended operating range is 10V to 32V per TI's SLUSBD9A datasheet. Operation at 32V–35V is permissible for short-duration transients only; sustained use above 32V risks accelerated parametric drift and reduced lifetime reliability. For continuous operation, 32V is the practical upper limit.
Does UCC27532DBVR support high-side configuration without external level-shifting?
No-UCC27532DBVR is a ground-referenced driver and does not integrate level-shifting or floating bias generation. To use it in high-side configurations, external bootstrap or isolated bias circuitry must be added. Its design assumes low-side or half-bridge arrangements with proper signal isolation and bias referencing, as confirmed in Section 1 of the datasheet.
How does the split-output (OUTH/OUTL) feature improve EMI performance in UCC27532DBVR?
The split-output architecture in UCC27532DBVR allows independent gate resistors on OUTH and OUTL, enabling precise control of rise and fall times. Slowing fall time via OUTL resistance reduces high-frequency spectral content without compromising turn-on speed-directly lowering conducted and radiated EMI in switch-mode power supplies and inverters.
What is the input voltage tolerance for IN and EN pins on UCC27532DBVR?
Per Section 5.1 Absolute Maximum Ratings, the IN and EN pins tolerate -5V DC below ground continuously and -6.5V for pulses up to 1.5 µs. This robust negative tolerance supports direct connection to isolated gate drivers or fault-monitoring circuits without external protection diodes, simplifying interface design in noisy industrial environments.
Is UCC27532DBVR pin-compatible with any other TI gate drivers?
UCC27532DBVR shares the same 6-pin SOT-23 (DBV) footprint and pinout with UCC27531DBVR and UCC27536DBVR, but functional differences exist: UCC27531DBVR combines OUTH/OUTL into one output, while UCC27536DBVR adds inverting logic. Pin compatibility enables layout reuse, but firmware and external component changes may be needed for full functional equivalence.
UCC27532DBVR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Driven Configuration:
- Low-Side
- Channel Type:
- Single
- Number of Drivers:
- 1
- Gate Type:
- IGBT, N-Channel MOSFET
- Voltage - Supply:
- 10V ~ 32V
- Logic Voltage - VIL, VIH:
- 7.9V, 8.8V
- Current - Peak Output (Source, Sink):
- 2.5A, 5A
- Input Type:
- Non-Inverting
- High Side Voltage - Max (Bootstrap):
- -
- Rise / Fall Time (Typ):
- 15ns, 7ns
- Operating Temperature:
- -40°C ~ 140°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
UCC27532DBVR FAQ
1.How can I place an order for UCC27532DBVR through Aetrix?
Please submit a Request for Quotation (RFQ) for UCC27532DBVR 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 UCC27532DBVR reliable?
The price and inventory of UCC27532DBVR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UCC27532DBVR is usually 5 days.
3.What payment methods are accepted for UCC27532DBVR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UCC27532DBVR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UCC27532DBVR?
UCC27532DBVR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UCC27532DBVR 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 UCC27532DBVR?
For technical support, including UCC27532DBVR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UCC27532DBVR requirements.
6.How does Aetrix verify that UCC27532DBVR is sourced from the original manufacturer or authorized distributors?
All UCC27532DBVR 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 UCC27532DBVR meets industry standards.
7.What is the process for return or replacement of UCC27532DBVR?
All UCC27532DBVR units undergo pre-shipment inspection (PSI). If there is an issue with UCC27532DBVR, 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 UCC27532DBVR part is unused and in its original packaging.
Return procedure for UCC27532DBVR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
UCC27532DBVR Tags
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ZXGD3009E6TA
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1EDN7512BXTSA1
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IRS2005STRPBF
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2EDN7524RXTMA1
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