Texas Instruments UCC23511DWY
- Part No.:
- UCC23511DWY
- Manufacturer:
- Texas Instruments
- Category:
- Isolators - Gate Drivers
- Package:
- 6-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
UCC23511DWY.pdf
- Description:
- DGTL ISO 5.7KV 1CH GT DVR 6SOIC
- Quantity:
- Payment:

- Shipping:

Inventory:11,934
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Product details
Overview
UCC23511DWY from Texas Instruments is a single-channel, opto-compatible, reinforced isolated gate driver for IGBTs, SiC MOSFETs, and power MOSFETs, featuring 1.5-A source / 2-A sink peak output current, 5.7-kVRMS isolation rating, 105-ns max propagation delay, and rail-to-rail output swing. It operates across –40°C to +150°C junction temperature and supports up to 33-V output supply voltage for bipolar or unipolar gate drive in high-reliability motor drives and solar inverters.
For engineers reviewing the UCC23511DWY datasheet, UCC23511DWY pinout, UCC23511DWY application, or UCC23511DWY equivalent, this device delivers verified opto-drop-in compatibility with superior CMTI (>150 kV/μs), tight part-to-part skew (≤25 ns), low pulse width distortion (≤35 ns), and extended lifetime isolation barrier (>50 years) - critical for industrial power conversion and safety-certified designs.
Technical Context
The UCC23511DWY uses an emulated diode (e-diode) input stage coupled with dual-series HV SiO₂ capacitors in full differential configuration to achieve reinforced isolation and >150 kV/μs CMTI. Its OOK (on-off keying) modulation scheme transmits digital signals across the barrier without light emission, eliminating LED aging and enabling stable operation at 125°C ambient.
It integrates UVLO with selectable 8-V (UCC23511B) or 12-V (UCC23511) thresholds, supports both high-side and low-side switching topologies, and features internal level-shifted pre-driver architecture with NMOS/PMOS output stage delivering rail-to-rail VOUT swing referenced to VCC and VEE.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Isolation Rating | 5.7-kVRMS reinforced isolation per UL 1577 (60 s); 8000-VPK transient rating per VDE V 0884-11 |
| Output Drive | 1.5-A source / 2-A sink peak current enables fast turn-on/turn-off of 600-V IGBTs and 1200-V SiC MOSFETs |
| Propagation Delay | Max 105 ns ensures precise timing control in >100-kHz PWM systems like solar inverters and motor drives |
| CMTI | ≥150 kV/μs minimum prevents false triggering in noisy high-dV/dt environments (e.g., SiC-based converters) |
| UVLO Threshold | 12.5-V rising (UCC23511) or 8.5-V rising (UCC23511B) ensures robust gate drive only when output supply is within safe operating range |
| Operating Temperature | –40°C to +150°C junction range supports compact thermal design in sealed industrial enclosures |
| Package Creepage/Clearance | >8.5 mm meets reinforced insulation requirements for 1000-VAC mains-connected equipment |
Pinout & Package
UCC23511DWY is housed in a stretched SO-6 package (7.5 mm × 4.68 mm) with >8.5-mm creepage and clearance, mold compound Group I (CTI >600 V), and reinforced isolation barrier life exceeding 50 years.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ANODE (Pin 1) | Input anode terminal | Forward-biased to initiate gate drive; accepts 7–16 mA IF with 2.1-V typical VF; reverse tolerant to –13 V for interlock use |
| NC (Pin 2) | No internal connection | May be left floating or tied to GND; no electrical function or signal path |
| CATHODE (Pin 3) | Input cathode terminal | Reference for e-diode input; forms opto-compatible interface with external current-limiting resistor |
| VEE (Pin 4) | Negative output supply rail | Sinks output current; supports bipolar gate drive (e.g., –8 V for IGBTs) or GND for unipolar operation |
| VOUT (Pin 5) | Gate-drive output | Rail-to-rail output referenced to VEE/VCC; drives gate capacitance directly with 1.5-A/2-A peak capability |
| VCC (Pin 6) | Positive output supply rail | Accepts 14–33 V; powers output stage and UVLO circuit; 12-V UVLO threshold ensures reliable startup |
Key Features
| Feature | Design Value |
|---|---|
| e-Diode input stage | Eliminates LED aging, enables 125°C ambient operation and stable forward current across temperature (ΔVF/ΔT ≤1.35 mV/°C) |
| Dual-series SiO₂ capacitive barrier | Provides reinforced isolation, >150 kV/μs CMTI, and <25 ns part-to-part skew for synchronized multi-channel systems |
| Rail-to-rail output | Ensures full VCC-to-VEE swing for optimal gate overdrive and Miller immunity in high-speed SiC switching |
| Stretched SO-6 package | Delivers >8.5-mm creepage/clearance in standard footprint, simplifying PCB layout for reinforced insulation compliance |
| Interlock-capable input | Withstands –13-V reverse polarity on ANODE/CATHODE, enabling direct integration into hardware interlock safety circuits |
Applications
| Industrial Motor Drives | Solar Inverters |
|---|---|
Use Scenario: Three-phase inverter driving permanent magnet synchronous motors in HVAC compressors and industrial pumps. IC Role / Device Role / Timing Role: High-side and low-side isolated gate driver for 650-V IGBTs, providing precise dead-time control and noise-immune switching. Use Value: 105-ns max propagation delay and ≤35-ns pulse width distortion enable accurate PWM fidelity at 20 kHz, reducing torque ripple and acoustic noise. | Use Scenario: DC-AC stage of string inverters converting 1000-V DC input to grid-synchronized 230-V AC output. IC Role / Device Role / Timing Role: Isolated gate driver for 1200-V SiC MOSFET half-bridges, managing high dV/dt transients during hard-switching. Use Value: ≥150 kV/μs CMTI prevents false turn-on during 50-kV/μs common-mode events, ensuring system reliability under partial shading or fault conditions. |
| Industrial UPS Systems | Induction Heating |
Use Scenario: Online double-conversion UPS with bidirectional IGBT-based rectifier/inverter stages handling 400-V DC bus. IC Role / Device Role / Timing Role: Reinforced-isolated driver for high-frequency IGBT switching in PFC and inverter legs, supporting seamless transfer between utility and battery modes. Use Value: 33-V max VCC allows bipolar ±15-V gate drive, suppressing Miller-induced shoot-through during rapid load transitions. | Use Scenario: Resonant half-bridge in solid-state induction cooktops operating at 20–100 kHz with 600-V IGBTs. IC Role / Device Role / Timing Role: Low-propagation-delay isolated driver synchronizing complementary switches in zero-voltage switching (ZVS) topology. Use Value: ≤25-ns part-to-part skew ensures matched turn-on timing across bridge legs, minimizing circulating current losses and thermal stress. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar isolated gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Si8271BD-IS | 1.0-A source / 1.5-A sink; 5-kVRMS isolation; 120-ns max tPD; uses transformer-based isolation | Limited to ≤125°C ambient; lower CMTI (100 kV/μs); requires external DC-DC for isolated supply | Preferred where transformer-based isolation is mandated by legacy system architecture or EMI constraints |
| ADUM4135BRWZ | 4-A source / 6-A sink; 5-kVRMS isolation; 100-ns max tPD; integrated Miller clamp and DESAT detection | Higher drive strength suits 1700-V IGBTs; extra protection features increase BOM count but reduce external component need | Selected when active protection (DESAT, Miller clamp) and higher peak current are required for high-power traction inverters |
Compared with Si8271BD-IS and ADUM4135BRWZ, the UCC23511DWY offers superior long-term reliability via e-diode input, highest CMTI, and longest certified isolation lifetime (>50 years), making it optimal for cost-sensitive, high-volume industrial inverters where field failure risk must be minimized.
Availability
UCC23511DWY is available at Aetrix Electronics and suitable for industrial motor-control drives, solar inverters, and induction heating systems requiring stable component supply, long-lifecycle assurance, and reinforced isolation compliance.
Supply support for UCC23511DWY 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, embedded processing, and high-reliability power management solutions.
The UCC23511DWY belongs to TI's reinforced isolated gate driver product line, engineered specifically for high-efficiency, high-density power conversion in industrial, renewable energy, and EV charging applications where safety certification, thermal resilience, and long-term reliability are non-negotiable.
FAQ
What is the maximum output supply voltage supported by the UCC23511DWY?
The UCC23511DWY supports a maximum output supply voltage (VCC – VEE) of 33 V. This enables bipolar gate drive configurations - such as +15 V / –8 V for IGBTs or +20 V / –5 V for SiC MOSFETs - improving Miller immunity and preventing unintended turn-on. Operation beyond 33 V risks permanent damage per absolute maximum ratings, and the device incorporates internal clamping to protect against transient overvoltage on VCC.
Does the UCC23511DWY require an isolated power supply for its input stage?
No, the UCC23511DWY does not require an isolated power supply for its input stage. Its emulated diode (e-diode) input operates solely on forward current (IF), with no input-side power or ground pins. A simple series resistor limits IF to 7–16 mA from a low-voltage logic or microcontroller source. This eliminates the need for isolated bias supplies, reducing system complexity and cost versus transformer- or capacitor-coupled alternatives.
What is the UVLO threshold for the UCC23511DWY, and how does it differ from UCC23511B?
The UCC23511DWY features a 12-V nominal UVLO threshold (rising), with 11–13.5 V range; the UCC23511B variant uses an 8-V nominal threshold (7.8–9.2 V). Both share 1-V hysteresis. The UCC23511DWY's higher UVLO ensures gate drive remains disabled until output rails stabilize above typical IGBT/SiC gate thresholds, preventing weak turn-on and excessive conduction loss during power-up sequences in high-voltage industrial systems.
Can the UCC23511DWY drive both high-side and low-side power devices?
Yes, the UCC23511DWY can drive both high-side and low-side power devices. Its isolated architecture decouples input and output grounds, allowing flexible placement in half-bridge, full-bridge, or three-phase inverter topologies. When used for high-side drive, VEE is referenced to the switch source/emitter, while VCC supplies the gate relative to that node - enabling robust control of floating switches without bootstrap complexity or timing limitations.
What safety certifications apply to the UCC23511DWY?
The UCC23511DWY is planned for certification to UL 1577 (5.7-kVRMS for 1 minute), DIN V VDE V 0884-11:2017-01 (reinforced, 8000-VPK), and GB4943.1-2011 (CQC). These cover dielectric withstand, transient overvoltage, and basic insulation requirements for end-equipment safety standards. Certification status is confirmed per TI's official documentation - no third-party or inferred claims are made - and applies specifically to the UCC23511DWY variant in its stretched SO-6 package.
UCC23511DWY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Last Time Buy
- Technology:
- Capacitive Coupling
- Number of Channels:
- 1
- Voltage - Isolation:
- 5700Vrms
- Common Mode Transient Immunity (Min):
- 150kV/µs
- Propagation Delay tpLH / tpHL (Max):
- 105ns, 105ns
- Pulse Width Distortion (Max):
- 35ns
- Rise / Fall Time (Typ):
- 28ns, 25ns
- Current - Output High, Low:
- 1.5A, 2A
- Current - Peak Output:
- 2A, 1.5A
- Voltage - Forward (Vf) (Typ):
- 2.1V
- Current - DC Forward (If) (Max):
- 16 mA
- Voltage - Output Supply:
- 14V ~ 33V
- Grade:
- -
- Qualification:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-SOIC
- Approval Agency:
- CQC, UL, VDE
UCC23511DWY FAQ
1.How can I place an order for UCC23511DWY through Aetrix?
Please submit a Request for Quotation (RFQ) for UCC23511DWY 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 UCC23511DWY reliable?
The price and inventory of UCC23511DWY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UCC23511DWY is usually 5 days.
3.What payment methods are accepted for UCC23511DWY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UCC23511DWY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UCC23511DWY?
UCC23511DWY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UCC23511DWY 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 UCC23511DWY?
For technical support, including UCC23511DWY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UCC23511DWY requirements.
6.How does Aetrix verify that UCC23511DWY is sourced from the original manufacturer or authorized distributors?
All UCC23511DWY 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 UCC23511DWY meets industry standards.
7.What is the process for return or replacement of UCC23511DWY?
All UCC23511DWY units undergo pre-shipment inspection (PSI). If there is an issue with UCC23511DWY, 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 UCC23511DWY part is unused and in its original packaging.
Return procedure for UCC23511DWY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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