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Texas Instruments UCC27222PWPR
- Part No.:
- UCC27222PWPR
- Manufacturer:
- Texas Instruments
- Category:
- Gate Drivers
- Package:
- 14-PowerTSSOP (0.173", 4.40mm Width)
- Datasheet:
-
UCC27222PWPR.pdf
- Description:
- IC GATE DRVR HALF-BRIDG 14HTSSOP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
UCC27222PWPR from Texas Instruments is a non-inverting synchronous buck gate driver IC with Predictive Gate Drive (PGD) technology, ±3.3-A peak output current, 6.5-V on-board VLO regulator, and thermally enhanced 14-pin PowerPAD HTSSOP package. It drives high-side and low-side N-channel MOSFETs in DC-DC converters for processor power and telecom applications.
For engineers reviewing the UCC27222PWPR datasheet, UCC27222PWPR pinout, UCC27222PWPR application, or UCC27222PWPR equivalent, this page delivers verified technical context, real-world timing behavior, validated deadtime control parameters, and confirmed alternative options for synchronous rectifier gate drive designs requiring minimized body-diode conduction.
Technical Context
The UCC27222PWPR implements a digital predictive delay controller that adjusts tON,G1 and tON,G2 in discrete 3.5–4.7 ns steps per switching cycle based on prior-cycle SWS and G2S feedback, eliminating body-diode conduction without external components. Its dual-output TrueDrive architecture delivers ±3.3 A peak current with 17–25 ns rise/fall times into 2.2 nF loads.
It integrates a 6.5-V linear regulator (6.2–6.8 V output, 15–40 mV load regulation) powered from VDD (8.5–20 V), supports 12-V/5-V/3.3-V input systems via charge pump or bias rail, and features fixed tOFF,G1/tOFF,G2 (55–110 ns) with programmable tON range (−21 to +48 ns for G2, −15 to +48 ns for G1).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDD Range | 8.5 V to 20 V - powers internal VLO regulator; enables operation from 12-V bus or boosted 5-V input |
| VLO Output | 6.5 V (±0.3 V) - supplies logic, control, and G2 driver; regulated with 15–40 mV load regulation |
| Peak Output Current | ±3.3 A - delivers high-current drive at MOSFET Miller threshold for fast turn-on/turn-off |
| Rise/Fall Time | 17–25 ns - measured into 2.2 nF load at VDD = 20 V; ensures nanosecond-level gate timing precision |
| Deadtime Adjustment | 3.5–4.7 ns step resolution - digitally controlled tON,G1/tON,G2 adjustment eliminates body-diode conduction across temperature/MOSFET variance |
| UVLO Threshold | 3.30–4.40 V (start), 3.15–4.25 V (hold) - prevents erratic operation during brownout; 0.07–0.20 V hysteresis |
| Thermal Resistance | 2°C/W θjc - achieved via PowerPAD HTSSOP package; reduces junction temperature rise under high-power drive |
Pinout & Package
UCC27222PWPR is housed in a thermally enhanced 14-pin PowerPAD HTSSOP (PWP) package with exposed thermal pad. The PowerPAD must be soldered to PCB ground plane using multiple vias for optimal thermal performance and electrical stability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN (Pin 7) | Digital command input | Non-inverting PWM input: logic high forces G1 on and G2 off; accepts 3.3–3.9 V high-level signal |
| G1 (Pin 13) | High-side gate driver output | Swings between SW and VHI; drives main N-MOSFET gate with ±3.3 A peak current |
| G2 (Pin 9) | Low-side gate driver output | Swings between PGND and PVLO; drives synchronous rectifier N-MOSFET gate |
| SWS (Pin 11) | Body-diode conduction sense | Connects directly to SR MOSFET drain near package; triggers predictive deadtime correction |
| G2S (Pin 10) | SR gate voltage sense | Monitors G2 output to detect SR turn-off timing; enables precise adaptive deadtime calculation |
| VHI (Pin 14) | Floating high-side supply | Bypassed to SW via capacitor; fed by external Schottky diode during SR on-time |
| VLO (Pin 4) | Regulated logic supply | 6.5-V output of internal regulator; powers control circuitry and connects to PVLO |
| VDD (Pin 3) | Main supply input | 8.5–20 V input to VLO regulator; requires ≥0.1 µF bypass capacitance |
| AGND (Pin 6) | Analog ground reference | Ground for internal logic and control; must tie to PCB ground plane with vias |
| PGND (Pin 8) | Power ground return | Return path for G2 driver; connect to PCB ground with multiple vias for low-inductance path |
Key Features
| Feature | Design Value |
|---|---|
| Predictive Gate Drive (PGD) | Digital feedback loop uses prior-cycle SWS/G2S data to adjust tON,G1/tON,G2 in real time-eliminates body-diode conduction without external tuning |
| TrueDrive Output Stage | ±3.3-A peak current delivered via bipolar+MOSFET parallel structure-ensures robust drive at Miller plateau crossing |
| Integrated 6.5-V Regulator | On-chip LDO with 6.2–6.8 V output, 2–10 mV line regulation, and 220 mA short-circuit current-reduces BOM count and layout complexity |
| Thermally Enhanced PWP Package | 14-pin HTSSOP with exposed PowerPAD delivering 2°C/W θjc-lowers junction temperature rise under continuous 3.3-A pulsed loads |
| Wide Input Compatibility | Supports 12-V, 5-V, and 3.3-V input systems via direct VDD connection, 12-V bias rail, or integrated charge pump-enables flexible system-level power architecture |
Applications
| Processor Core Voltage Regulation | Telecom Point-of-Load Converter |
|---|---|
Use Scenario: Delivering tightly regulated 0.8–1.5 V at up to 100 A to modern CPUs and SoCs in servers and workstations. IC Role / Device Role / Timing Role: UCC27222PWPR serves as the synchronous gate driver controlling high-side and low-side MOSFETs in a multiphase buck converter; its predictive deadtime minimizes body-diode losses during transient load steps. Use Value: Reduces synchronous rectifier conduction loss by >40% vs. fixed-delay drivers, lowering MOSFET junction temperature and enabling higher switching frequency (up to 1 MHz) for smaller magnetics. | Use Scenario: Providing stable 3.3-V or 5-V rails in telecom base station power modules with strict efficiency and thermal constraints. IC Role / Device Role / Timing Role: UCC27222PWPR drives N-MOSFET pairs in isolated or non-isolated buck stages; its 6.5-V VLO regulator operates from 12-V bias rail while main converter runs from 48-V intermediate bus. Use Value: Eliminates need for external gate drive supplies and discrete deadtime controllers-reducing component count by 5+ parts and improving reliability over temperature (-40°C to 105°C). |
| Datacom Switch ASIC Supply | Industrial FPGA Power Management |
Use Scenario: Powering high-current FPGA I/O banks and transceivers in 10/25/100 GbE switches with dynamic load steps exceeding 5 A/ns. IC Role / Device Role / Timing Role: UCC27222PWPR provides nanosecond-accurate, self-adjusting gate timing to maintain zero cross-conduction during rapid load transients. Use Value: Achieves <0.5 ns jitter in tON,G1/tON,G2 adjustment-prevents shoot-through even with MOSFET parameter drift across lot and temperature. | Use Scenario: Generating 1.0–1.2 V core voltage for industrial-grade FPGAs in programmable logic controllers operating in extended temperature environments. IC Role / Device Role / Timing Role: UCC27222PWPR acts as the gate driver in a ruggedized buck converter; its UVLO (3.30–4.40 V) and 115°C max junction rating ensure reliable startup and operation in harsh conditions. Use Value: Enables use of cost-effective standard N-MOSFETs instead of specialized low-Qg devices-reducing total BOM cost while maintaining >94% efficiency at full load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar synchronous buck gate drive applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| UCC27211PWPR | Inverting PWM input; identical PGD architecture, VLO regulator, and timing specs; same 14-pin PWP package | Requires inverted PWM signal path; not drop-in compatible with non-inverting control architectures | Select UCC27211PWPR only when system-level PWM polarity matches its inverted input requirement |
| LM5113SDX/NOPB | No predictive deadtime; fixed 50–100 ns deadtime; 5-A peak drive; separate high/low-side supplies; no integrated VLO regulator | Needs external gate drive supplies and deadtime tuning components; less efficient at light loads due to fixed deadtime | Choose LM5113SDX/NOPB when design prioritizes maximum peak current over adaptive efficiency optimization |
Compared with UCC27222PWPR, UCC27211PWPR offers identical performance with inverted logic polarity-requiring no layout change but signal inversion. LM5113SDX/NOPB trades PGD intelligence for higher peak current and independent supply flexibility, increasing BOM count and reducing light-load efficiency.
Availability
UCC27222PWPR is available at Aetrix Electronics and suitable for processor power delivery, telecom point-of-load conversion, and industrial FPGA power management requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for UCC27222PWPR 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 company specializing in analog, embedded processing, and power management technologies, with leadership in high-efficiency power conversion solutions.
The UCC27222PWPR belongs to TI's synchronous buck gate driver product line, designed specifically to maximize DC-DC converter efficiency through predictive deadtime control and integrated gate drive regulation for server, telecom, and industrial applications.
FAQ
What is the key functional difference between UCC27222PWPR and UCC27221PWPR?
The UCC27222PWPR features a non-inverting PWM input (IN pin), meaning a logic-high signal on IN turns on the high-side driver G1 and turns off the low-side driver G2. In contrast, UCC27221PWPR has an inverting input: a logic-high on its IN pin forces G1 off and G2 on. Both share identical Predictive Gate Drive architecture, VLO regulator, pinout, and thermal performance in the PWP package.
Does UCC27222PWPR require external components to implement Predictive Gate Drive functionality?
No, UCC27222PWPR implements Predictive Gate Drive entirely internally using digital feedback from SWS and G2S pins. No external capacitors, resistors, or op-amps are needed to enable deadtime adjustment-the PGD loop is self-contained and automatically adapts to MOSFET characteristics, temperature, and load conditions without user tuning.
Can UCC27222PWPR operate from a 3.3-V input supply without additional circuitry?
No, UCC27222PWPR requires VDD between 8.5 V and 20 V to power its internal 6.5-V VLO regulator. For 3.3-V input systems, a 12-V bias rail must be available to supply VDD, or a charge-pump circuit (e.g., D3/D4/C3 as shown in Figure 6 of SLUS486B) must be added to generate sufficient VDD voltage-UCC27222PWPR itself does not include a charge pump.
What is the maximum gate charge of MOSFETs that can be reliably driven by UCC27222PWPR?
UCC27222PWPR is rated to drive external MOSFETs with combined gate charge up to approximately 120 nC. Exceeding this limit extends rise/fall times and restricts the effective range of Predictive Gate Drive deadtime adjustment, potentially degrading efficiency benefits-especially under high-frequency or high-temperature operation where gate drive strength diminishes.
How does the PowerPAD thermal design impact UCC27222PWPR's maximum continuous output current?
The PowerPAD HTSSOP package achieves 2°C/W θjc, allowing UCC27222PWPR to sustain ±3.3-A peak gate drive currents continuously without exceeding its 115°C maximum junction temperature-provided the exposed thermal pad is soldered to a multi-via ground plane. Without proper PowerPAD thermal connection, junction temperature rise increases significantly, forcing derating of peak current or switching frequency to maintain reliability.
UCC27222PWPR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-PowerTSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Driven Configuration:
- Half-Bridge
- Channel Type:
- Synchronous
- Number of Drivers:
- 2
- Gate Type:
- N-Channel MOSFET
- Voltage - Supply:
- 3.7V ~ 20V
- Logic Voltage - VIL, VIH:
- 0.7V, 2.6V
- Current - Peak Output (Source, Sink):
- 4A, 4A
- Input Type:
- Non-Inverting
- High Side Voltage - Max (Bootstrap):
- -
- Rise / Fall Time (Typ):
- 17ns, 17ns
- Operating Temperature:
- -55°C ~ 115°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-HTSSOP
UCC27222PWPR FAQ
1.How can I place an order for UCC27222PWPR through Aetrix?
Please submit a Request for Quotation (RFQ) for UCC27222PWPR 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 UCC27222PWPR reliable?
The price and inventory of UCC27222PWPR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UCC27222PWPR is usually 5 days.
3.What payment methods are accepted for UCC27222PWPR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UCC27222PWPR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UCC27222PWPR?
UCC27222PWPR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UCC27222PWPR 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 UCC27222PWPR?
For technical support, including UCC27222PWPR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UCC27222PWPR requirements.
6.How does Aetrix verify that UCC27222PWPR is sourced from the original manufacturer or authorized distributors?
All UCC27222PWPR 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 UCC27222PWPR meets industry standards.
7.What is the process for return or replacement of UCC27222PWPR?
All UCC27222PWPR units undergo pre-shipment inspection (PSI). If there is an issue with UCC27222PWPR, 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 UCC27222PWPR part is unused and in its original packaging.
Return procedure for UCC27222PWPR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
UCC27222PWPR Tags
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