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WT7681P
WT7681P is a digital housekeeping IC for switching power supply. It has up to 3 channels voltage and current detection, programmable OVP/UVP/OCP protection, flexible general purpose I/O, multi-channel ADC/DAC/CMP, and UART/SWRT communication interface. PSU supervisor functions can be easily implemented with rich peripherals by programming.
Features
- Operating voltage range from 5V to 24V
 
- Up to 3 channels over voltage protection, over current protection
 
- Programmable OVP/UVP/OCP level and delay time
 
- Up to 10 general purpose I/O 
 
 - - 5HV open drain output 
 - - 2 push pull output (GPIO2.GPIO9) 
 - - ADC for voltage and current meter, up to 6 channels. (GPIO2~GPIO6.GPIO8) 
 - - DAC and CMP for input voltage level detection, up to 5 channels. (GPIO2~GPIO6) 
 - - UART interface (GPIO1,GPIO6) 
 - - SWRT (Single-Wire-Receiver-Transmitter) interface (GPIO1) 
 - Package type: SOP16, SOP20
 
- Operation temperature: -20℃ to +85℃
 
 
- Operating voltage range from 5V to 24V
應用領域
 
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                         
                                                        