text.skipToContent text.skipToNavigation


Push-pull, quad-supply voltage supervisors with programmable delay & watchdog timer

Inventory: 66,750

Quality information

RoHS Yes
Lead finish / Ball material NIPDAU
MSL rating / Peak reflow Level-2-260C-1 YEAR
Material content View
DPPM / MTBF / Fit rate View
Qualification summary View
Ongoing reliability monitoring View
Device marking View

Packaging information

Package | Pins Package qty | Carrier Operating temperature range (°C)
VQFN (RGP) | 20 250 | SMALL T&R
Q (-40 to 125)
Package | Pins VQFN (RGP) | 20
Package qty | Carrier 250 | SMALL T&R
Operating temperature range (°C) Q (-40 to 125)
View TI packaging information

Features for the TPS386040

  • Four Independent Voltage Supervisors
  • Channel 1:
    • Adjustable Threshold Down to 0.4 V
    • Manual Reset(MR) Input
  • Channels 2, 3:
    • Adjustable Threshold Down to 0.4 V
  • Channel 4:
    • Adjustable Threshold at Any Positive or NegativeVoltage
    • Window Comparator
  • Adjustable Delay Time: 1.4 ms to 10 s
  • Threshold Accuracy: 0.25% Typical
  • Very Low Quiescent Current: 11 µA Typical
  • Watchdog Timer With Dedicated Output
  • Well-Controlled Output During Power Up
  • TPS386000: Open-Drain RESETn and WDO
  • TPS386040: Push-Pull RESETn and WDO
  • Package: 4-mm × 4-mm, 20-Pin VQFN

All trademarks are the property of their respective owners.

Description for the TPS386040

The TPS3860x0 family of supply voltage supervisors (SVSs) can monitor four power railsthat are greater than 0.4 V and one power rail less than 0.4 V (including negative voltage) with a0.25% (typical) threshold accuracy. Each of the four supervisory circuits (SVS-n) assert aRESETn or RESETn output signal when the SENSEm input voltage drops below theprogrammed threshold. With external resistors, the threshold of each SVS-n can be programmed (wheren = 1, 2, 3, 4 and m = 1, 2,3, 4L, 4H).

Each SVS-n has a programmable delay before releasing RESETn orRESETn. The delay time can be set independently for each SVS from 1.4 ms to 10 s through the CTnpin connection. Only SVS-1 has an active-low manual reset (MR) input; alogic-low input to MR asserts RESET1 orRESET1.

SVS-4 monitors the threshold window using two comparators. The extra comparator can beconfigured as a fifth SVS to monitor negative voltage with voltage reference output VREF.

The TPS3860x0 has a very low quiescent current of 11 µA (typical) and is available in asmall, 4-mm x 4-mm, VQFN-20 package.


Qty Price (USD)
1-99 $1.943
100-249 $1.703
250-999 $1.194
1,000+ $0.962