TEA2095T/1J

TEA2095T/1J is a GreenChip dual synchronous rectifier controller. This is a new synchronous rectifier (SR) controller IC for switched-mode power supplies. It incorporates an adaptive gate drive method for maximum efficiency at any load. It is a dedicated controller IC for synchronous rectification on the secondary side of resonant converters. It has two driver stages for driving the SR MOSFETs, which rectify the outputs of the central tap secondary transformer windings. It is optimized for efficient operation with very low-ohmic MOSFETs and switching at high frequencies. It is intended for resonant power supplies. In such applications, it can drive two external synchronous rectifier MOSFETs for the rectification of the voltages on the two secondary windings of the transformer. These MOSFETs replace diodes. It can be used in all power supplies requiring high efficiency: adapters, power supplies for desktop PC and all-in-one PC, power supplies for television, power supplies for servers.

• Adaptive gate drive for maximum efficiency at any load
• Supply current in energy save operation of 90μA
• Regulation level of -25mV for driving low-ohmic MOSFETs
• Wide supply voltage range from 4.5V to 38V
• Dual synchronous rectification for LLC resonant
• Supports 5V operation with logic level SR MOSFETs
• Differential inputs for sensing the drain and source voltages of each SR MOSFET
• Discharge of the output capacitor after mains disconnect
• Undervoltage lockout (UVLO) protection with active gate pull-down
• SO8 package, -40 to 150°C junction temperature range