0
ACTIVE
Rating |
Catalog |
Number of supplies monitored |
3, 4 |
Threshold voltage 1 (typ) (V) |
0.4, 2.9 |
Features |
Manual reset capable, Reset time delay, Separate VDD & sense, Undervoltage monitor only |
Reset threshold accuracy (%) |
0.5 |
Iq (typ) (mA) |
0.007 |
Output driver type/reset output |
Active-low, Open-drain |
Time delay (ms) |
50 |
Watchdog timer WDI (s) |
None |
Supply voltage (min) (V) |
1.8 |
Supply voltage (max) (V) |
6.5 |
Operating temperature range (°C) |
-40 to 125 |
VSSOP (DGK)-8-14.7 mm² 3 x 4.9
The TPS386596 device monitors four power rails and asserts the RESET signal when any of the SENSE inputs drop below the respective thresholds. SVS-1 can be used to monitor a 3.3-V nominal power supply with no external components required. SVS-2, SVS-3, and SVS-4 are adjustable using external resistors and can be used to monitor any power-supply voltage higher than 0.4 V. All SENSE inputs have a threshold accuracy of 0.25% (typical). The TPS386596L33 also has an active-low manual reset (MR) that can assert the RESET signal as desired by the application. The open-drain, active-low RESET output deasserts after a fixed 50-ms delay.
The TPS386596 has a low quiescent current of 7 µA (typical) and is available in a space-saving, 8-pin MSOP package.
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