Resonant Power Supply Control IC
デザイン・ファイル
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GreenChip Dual LLC SR Switching Controller
The TEA2095T/TE is a high performance synchronous rectifier (SR) controller IC for switch mode power supplies.
This SR controller incorporates an adaptive gate drive method to save the maximum amount of energy at any load. To increase efficiency, the TEA2095T/TE can operate at 90μA with a -25 mV regulation level, which optimizes functionality for use with low-ohmic MOSFETs.
TEA2095T/TE’s undervoltage lockout (UVLO) protection allows devices to remain fully functional when supply voltage is below the minimum operating voltage and ensures the device stays off when voltage is below the UVLO threshold. This feature enhances overall system performance and increases efficiency.
Our product has two driver stages to drive SR MOSFETs, which rectify the outputs of the central tap secondary transformer windings. The two gate driver stages operate independently and come with differential inputs that sense the SR MOSFET’s drain and source voltages.
The TEA2095T/TE is optimally used in resonant power supplies for servers, PCs, TVs, adapters, and other switch mode power supplies.
製品詳細
Features
Efficiency features
- Adaptive gate drive for maximum efficiency at any load
- Supply current in energy save operation of typ. 90 μA
- Regulation level of −25 mV for driving low-ohmic MOSFETs
Application features
- Wide supply voltage range from 4.5 V to 38 V
- Dual synchronous rectification for LLC resonant
- Supports 5 V operation with logic level SR MOSFETs
- Differential inputs for sensing the drain and source voltages of each SR MOSFET
- Two package versions: SO8 and SO8 with exposed die pad
- Discharge of the output capacitor after mains disconnect
Control features
- SR control without minimum on-time
- Adaptive gate drive for fast turn-off at the end of conduction
- Undervoltage lockout (UVLO) protection with active gate pull-down
- Interlock function to prevent simultaneous conduction of the external MOSFETs
- Supports 1 MHz switching frequency
NXP GreenChip
- This product is part of the NXP GreenChip portfolio, this program optimizes for energy efficiency in mobile and computing applications, specializing in high-power density, safety and reliability.
Product Longevity Program
- This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The TEA2095 is included in the 10-year program
部品番号： TEA2095T, TEA2095TE.
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