This IP is an over-voltage detector with a selectable trip point. It was taped out on the CI2404 Efabless Chipalooza tapeout. The specifications below are target specifications. Check back for characterized numbers once the silicon is characterized.
| Pin name | Use | Domain | Notes |
|---|---|---|---|
| avdd | analog power | 3.3-5.5V | |
| dvdd | digital power | 1.8V | |
| avss | analog ground | ||
| dvss | digital ground | ||
| ena | enable | dvdd domain | |
| vbg | bandgap reference voltage | ||
| ibias | input bias current | ||
| ovout | alarm output | dvdd domain | |
| vtrip[3:0] | trip point select | dvdd domain |
| Parameter | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|
| Input Supply Voltage | 3 | 3.3 | 5.5 | V | Supply being measured. May or may not power the block. |
| Digital Supply Voltage | 1.65 | 1.8 | 1.97 | V | |
| Operating Temperature Range | -40 | 25 | 85 | °C | Commercial temperature range |
| Alarm Voltage Threshold | 3.3 | 3.6 | 5.5 | V | Threshold temperature for triggering the alarm |
| Hysteresis Voltage | 0.1 | 0.2 | 0.3 | V | To prevent rapid on/off around the threshold |
| Power Consumption | 5 | 10 | 20 | µA | Lower due to simpler circuitry |
| Output voltage | 0 | 1.8 | V | CMOS digital voltage level | |
| Response Time | 10 | 20 | 50 | µs | Time to trigger alarm after exceeding threshold |
| Quiescent Current | 0.5 | 2 | 5 | µA | Idle state consumption |
| Accuracy | -0.1 | 0.1 | V | At the alarm threshold |
EF_OVD
Vendor
Efabless
130nm
Skywater
Power Module
Open Source (Free)
EF Certified
Integrated