AS1917 Supervisor IC
Microprocessor supervisory circuits with manual reset and watchdog
Features
- No external components
- Integrated watchdog
Benefits
- Small BOM
- Blocks runaway code
Product parameters
| Supervised Voltages [V (IN1)] | 1.58 to 3.6 |
|---|---|
| - [V (IN2)] | |
| - [V (IN3)] | |
| - [V (IN4)] | |
| Inputs | 1 |
| Push/Pull Active Low | |
| Push/Pull Active High | Yes |
| Open-Drain | |
| Watchdog | Yes |
| Man. Reset | Yes |
| Supply Current [µA] | 5.5 |
| Supply Voltage [V] | 1.0 to 3.6 |
| Package | SOT23-5 |
General Description
The AS1917 (push-pull driver with active high reset) is a supervisor with manual reset and watchdog. Reset thresholds are factory programmable between 1.8V and 3.6V in steps of 100mV. The duration of the reset is fixed at 215ms, watchdog timeout is 1.5s. The device operates down to 1V.
Not Recommended for New Designs
ams AG is discontinuing production of this device. Final lifetime buy order must be placed by June 30, 2021. Please contact your local sales representative for further information.
This product suits for the following applications:
- Portable and battery-powered systems
- Embedded controllers
- Intelligent instruments
- Automotive systems
- Critical CPU monitoring
Technical Documents
| Type | Description | Language | ||
|---|---|---|---|---|
| Datasheet | Document version 1.04 | English |
Notifications
| Type | Description | Language | ||
|---|---|---|---|---|
| EoL Notification | AS1xxx, AS25xx, AS3xxx, AS73211, AS89020, SL900A, TMD4704 (issued 2020-Dec) | English |
Other Information
| Type | Description | Language | ||
|---|---|---|---|---|
| Block Diagram | AS1917 Block Diagram | English |
