The SGM860 is a family of supply voltage supervisors (SVSs). It has four channels and each one can monitor a power rail with a high threshold accuracy of 0.35% (TYP). It also features very low quiescent current of 6μA (TYP).
Among the supply voltage supervisor (SVS-x, x = 1, 2, 3, 4) circuits, four power rails are higher than 0.4V and one power rail is less than 0.4V (even with negative voltage). Once the SENSEy (y = 1, 2, 3, 4L, 4H) input voltage goes down below the configurable threshold, a nRESETx signal can be asserted by each SVS-x. The threshold of each SVS-x can be configured by the external resistors.
A delay can be configured for each SVS-x before nRESETx is released. The delay time for each SVS can be set independently between 1.45ms and 10s via the CTx pin connection. Only SVS-1 has a manual reset signal (nMR) that the nRESETx is activated by a logic low of nMR. SVS-4 has two comparators to monitor the threshold window and the extra comparator can be used as a fifth SVS to monitor the negative voltage based on the voltage reference VREF.
The SGM860 is available in a Green TQFN-4×4-20BL package. It operates over a junction temperature range of -40℃ to +125℃.
Four Separate Voltage Supervisors
Channel 1:
Adjustable Threshold Down to 0.4V
Manual Reset (nMR) Input
Channels 2, 3:
Adjustable Threshold Down to 0.4V
Channel 4:
Adjustable Positive or Negative Threshold
Window Comparator
Adjustable Delay Time: 1.45ms to 10s
Threshold Accuracy: 0.35% (TYP)
Low Quiescent Current: 6μA (TYP)
Dedicated Output for Watchdog Timer
Well-Controlled Output during Power-Up
Output Options:
SGM860A: Open-Drain nRESETx Output
SGM860B: Push-Pull nRESETx Output
Available in a Green TQFN-4×4-20BL Package
Applications with DSP and Microcontroller
Applications with FPGA and ASIC
Telecom and Wireless Infrastructure
Industrial Equipment
Analog Sequencing
Part Number | Status | Package | Pins | Pd-Free | RoHS | REACH | Green | MSL Rating | Operating Temperature Range | Material Content | Reliability Report | Unit Resale Price* (Volume Range: in USD) | Lead Time** (Volume Range: Days) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SGM860AXTUJ20G/TR | Active | TQFN-4×4-20BL | 20 | Yes | Yes | Yes | Yes | MSL2 | -40℃ to +125℃ | View | View | 1-24 units : $2.24/unit 25-99 units : $1.92/unit 100-249 units : $1.6/unit 250-499 units : $1.28/unit 500-999 units : $1.12/unit 1000-9999 units : $0.832/unit | 3K-9K : 14 days 10K-99K : 28 days 100K-999K : 70 days 1000K and above : 98 days | |
SGM860BXTUJ20G/TR | Active | TQFN-4×4-20BL | 20 | Yes | Yes | Yes | Yes | MSL2 | -40℃ to +125℃ | View | View | 1-24 units : $2.24/unit 25-99 units : $1.92/unit 100-249 units : $1.6/unit 250-499 units : $1.28/unit 500-999 units : $1.12/unit 1000-9999 units : $0.832/unit | 3K-9K : 14 days 10K-99K : 28 days 100K-999K : 70 days 1000K and above : 112 days |
* The unit resale price is for reference purposes only. Please contact our distributors for a formal quotation.
** The lead time provided is for reference purposes only and is subject to change based on different circumstances.
