Si8250/1/2 is a digital power controller from Silicon Laboratories. It supports isolated and non-isolated power supplies. It has a built-in high-speed control path that updates every 100ns and provides pulse-by-pulse current limiting and over-current protection.
The Silicon Laboratories Si8250/1/2 is a single-chip, Flash-based digital power controller designed for isolated and non-isolated power supply applications. It provides all necessary control and protection functions to implement intelligent, fast-response power delivery systems. The device features an on-board processing capability that enables intelligent control optimization and serial connectivity via PMBus or UART.
| Supply Voltage | 2.25 to 2.75 V |
|---|---|
| Ambient Temperature | -55 to +135 °C |
| Supply Current (Enabled) | 26 mA |
| ADC0 Resolution | 12 bits |
| ADC1 Sampling Frequency | up to 10 Msps |
| DSP Filter Engine Resolution | 9 bits |
Yes, it is in-system Flash programmable for control and protection parameters.
The maximum supply voltage (VDD) with respect to GND is 4.0 V.