UCC2808AQDR-2G4Q1 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The UCC2808AQDR-2G4Q1 is a current-mode PWM switching controller IC in an 8-SOIC package, operating from 4.3 V to 15 V input supply, designed for automotive-grade isolated and non-isolated DC-DC converter designs requiring precise duty-cycle control.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- UCC2808AQDR-2G4Q1 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UCC2808AQDR-2G4Q1?
- Current-mode PWM control for inherent cycle-by-cycle overcurrent limiting
- Input supply range 4.3 V to 15 V with 10 V nominal operation
- AEC-Q100 automotive-grade qualification for harsh environments
- 8-SOIC package enabling compact power supply designs
- Pulse-width modulation control technique with accurate frequency setting
- RoHS-compliant Pb-free e4 JESD-609 code
What is UCC2808AQDR-2G4Q1 used for?
The UCC2808AQDR-2G4Q1 is used in automotive DC-DC converters, isolated flyback supplies, and forward converters within hybrid electric vehicle subsystems and body electronics modules. Its AEC-Q100 qualification makes it suitable for ADAS power rails, instrument cluster supplies, and 12 V battery-referenced regulators operating over wide temperature ranges.
What are the specifications of UCC2808AQDR-2G4Q1?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 15V |
| Input Voltage-Min | 4.3V |
| Input Voltage-Nom | 10V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 1A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Screening Level | AEC-Q100 |
| Supply Current-Max (Isup) | 20mA |
| Supply Voltage-Max (Vsup) | 14V |
| Supply Voltage-Min (Vsup) | 5V |
| Surface Mount | YES |
| Switcher Configuration | PUSH-PULL |
| Switching Frequency-Max | 213kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the UCC2808AQDR-2G4Q1 datasheet?
UCC2808AQDR-2G4Q1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UCC2808AQDR-2G4Q1?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What supply voltage range does UCC2808AQDR-2G4Q1 support and how does that fit automotive 12 V systems?
The UCC2808AQDR-2G4Q1 operates from a minimum of 4.3 V to a maximum of 15 V input supply, with a nominal design point of 10 V. This range accommodates the regulated 12 V bus found in automotive body electronics, tolerating cold-crank dips down to approximately 5 V without losing regulation.
How does current-mode PWM control in UCC2808AQDR-2G4Q1 protect downstream components during overload events?
Current-mode control senses the switch current on a cycle-by-cycle basis, allowing the controller to limit the peak inductor current to a programmed threshold every switching cycle. This limits power switch stress to safe levels within 1 µs of an overload, protecting output capacitors and FETs from destructive current spikes.
Is UCC2808AQDR-2G4Q1 AEC-Q100 qualified and what temperature grade does it cover?
Yes, the G4Q1 suffix denotes AEC-Q100 automotive qualification. The device covers an operating junction temperature range of -40°C to +125°C, meeting the thermal stress requirements of underhood and passenger compartment automotive environments where reliability over a 15-year vehicle lifespan is mandatory.
Which isolated converter topologies can be built with UCC2808AQDR-2G4Q1?
The controller supports flyback, forward, and other single-ended isolated topologies operating up to several hundred kilohertz switching frequency. Its current-mode architecture simplifies compensation design and allows maximum duty cycles up to 50% in forward converters, supporting output voltages from 3.3 V to 48 V depending on transformer turns ratio.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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