Weltrend | Products

Supervisor ICs

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℃

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