Parameters |
Mounting Type |
Surface Mount |
Package / Case |
8-SOIC (0.154, 3.90mm Width) |
Surface Mount |
YES |
Weight |
72.603129mg |
Operating Temperature |
0°C~70°C |
Packaging |
Tube |
JESD-609 Code |
e4 |
Feature |
UVLO |
Pbfree Code |
yes |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
2 (1 Year) |
Number of Terminations |
8 |
ECCN Code |
EAR99 |
Type |
Hot Swap Controller |
Terminal Finish |
Nickel/Palladium/Gold (Ni/Pd/Au) |
Applications |
General Purpose |
Subcategory |
Power Management Circuits |
Technology |
BICMOS |
Voltage - Supply |
-48V |
Terminal Position |
DUAL |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
9.5V |
Base Part Number |
UCC3921 |
Pin Count |
8 |
JESD-30 Code |
R-PDSO-G8 |
Supply Voltage-Min (Vsup) |
9V |
Number of Channels |
1 |
Nominal Supply Current |
2mA |
Adjustable Threshold |
YES |
Current - Supply |
1mA |
Internal Switch(s) |
No |
Programmable Features |
Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault |
Feature Pins |
CT, IMAX, PL, SDFLTCH |
Length |
4.9mm |
Width |
3.9mm |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Contains Lead |
UCC3921D/81143G4 Overview
The 8-SOIC (0.154, 3.90mm Width) package includes it.Currently, 1 channels can be accessed.It's packaged in a Tube shape.8 terminations are present in total.Device DUAL is located at the terminal position.Total number of pins is 8.A supply voltage of 9.5V allows for high efficiency.There is a Surface Mount-like arrangement.Hot-swappable device is classified as a Hot Swap Controller electrical component.A reliable operation requires the temperature to be set to 0°C~70°C.Application General Purpose is available on the device.Hot-swappable device is featured in UVLO.Hot-swappable device should work if you use a -48VV power source.The UCC3921 family includes it.Power Management Circuits contains this gadget on its own.The programmable features of this device are Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault.Presently, 1mA is in short supply.For normal operation, the supply voltage (Vsup) should be kept above 9V in order to maintain a constant level of power.
UCC3921D/81143G4 Features
The terminal position of 8
Features of UVLO
Programmable features of Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault
UCC3921D/81143G4 Applications
There are a lot of Texas Instruments UCC3921D/81143G4 hot swap controllers applications.
- Loads
- Raid
- Thermal limitation
- Power supply hotswap & inrush control
- Temperature monitor output
- Redundant-array-of-independent-disk (RAID) storage
- Limitting the inrush current
- Overcurrent protection
- Servers
- Board or blade insertion into live backplanes