Texas Instruments UCG28828-2REZR
Manufacturer No:
UCG28828-2REZR
Manufacturer:
Texas Instruments
Package:
Description:
High Frequency QR Flyback Converter with integrated GaN power FET for up to 120W output with PFC
Quantity:
In Stock :9929
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Expected Shipping：Sun, May 31 - Mon, Jun 1, 2026
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Date Code：Within 2 Years
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UCG28828-2REZR Information
Texas Instruments UCG28828-2REZR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UCG28828-2REZR.
- Type
- Parameter
- Rating
- Catalog
- Topology
- Flyback
- Switch current limit (typ) (A)
- 3.5
- Features
- Adjustable current limit, Auxless-sense, High-voltage startup, Integrated GaN FET, Over Current Protection, Over Temperature Protection, Over Voltage Protection, Self-bias, Short circuit protection, USB C/PD compatible, Under Voltage Protection, X-cap discharge
- EMI features
- Frequency Dithering, Switching slew rate control, Valley hopping
- Control mode
- Peak current mode
- Switching frequency (min) (kHz)
- 25
- Switching frequency (max) (kHz)
- 500
- Operating temperature range (°C)
- -40 to 105
- Type
- Converter (Integrated Switch)
- Type
- Parameter
- Package
- VQFN (REZ)
- Pins
- 12
- Size
- 25 mm² 5 x 5
- REACH Status
- Yes
- RoHS Status
- RoHS Compliant
Download datasheets and manufacturer documentation for Texas Instruments UCG28828-2REZR.
Data sheet:
Certificate:
Application note:
UCG2882x is a high frequency, quasi-resonant flyback converter with built-in 750V GaN high electron mobility transistor (HEMT) with as low as 170mΩ Rds(on) for AC to DC power conversion. The UCG2882x is designed for high power density applications, such as cell phone fast chargers and notebook adapters. The key feature of this device is the self-bias and auxless sensing scheme which eliminates the need of the auxiliary winding and simplifies the system design with higher efficiency.
This device also features intelligent mode transition (CCM/QR/DCM) to enable high efficiency across wide power range and <30mW standby power consumption. In addition, UCG2882x includes a full list of protections such as brownin and brownout protection, SCP, OVP, OPP, LPS, OFB and OTP. The cycle-by-cycle current limit allows for fast response to the fault conditions to safeguard the system and improve the reliability. In a small 5×5mm package, the UCG2882x has dedicated configuration pins to offer more flexibility. Only resistors are needed to tune certain parameters for each system, enabling a platform design with a single device.
- Integrated 750V GaN with 170mΩ Rds(on) option
- Dynamic QR/DCM/CCM modes of operation
- High power density: up to 500kHz switching frequency
- Enable low BoM cost by integration
- Remove auxiliary winding with self bias
- Integrated input and output voltage sensing
- Integrated current sense
- Integrated HV start-up
- Integrated X-cap discharge
- High efficiency and low EMI performance
- Ultra-low standby power: <30mW
- Frequency foldback and burst mode
- Valley locking
- Frequency dithering
- Switching slew rate control
- Comprehensive protection features
- Overtemperature protection
- Overvoltage protection
- Short-circuit protection
- Cycle-by-cycle current limit
- Two-level over power protection with LPS
- Brownin and brownout protection
- Open feedback protection
- Flexible configurability through external resistors
- X-cap discharge and CCM mode disable
- Selectable switching slew rate
- Multiple clamping frequency settings
- Fault latch or auto-restart
- Maximum and minimum peak current ratio
- Dithering amplitude
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