TPS2121RUXR Description
The TPS2121RUXR are Dual-Input, Single-Output (DISO) Power Multiplexer (MUX) that are well suited for a variety of systems having multiple power sources. The devices will Automatically Detect, Select, and Seamlessly Transition between available inputs.
The TPS2121RUXR are available in WCSP and small VQFN-HR package options characterized for operation for a temperature range of –40°C to 125°C.
TPS2121RUXR Features
– Absolute maximum input voltage of 24 V
– TPS2120: 62 mΩ (typical)
– TPS2121: 56 mΩ (typical)
– Accuracy < ±5%
– Accuracy < ±5%
TPS2121 supports external voltage reference
(CP2) with an accuracy of <1%
Output current limit (ILM):
– TPS2120: 1 A – 3 A
– TPS2121: 1 A – 4.5 A
Channel status indication (ST)
Adjustable input settling time (SS)
Adjustable output soft-start time (SS)
TPS2121 Fast output switchover (tSW): 5 μs (typical)
Low Iq from enabled input: 200 μA (typical)
Low Iq from disabled input: 10 μA (Typical)
Manual input source selection (OVx)
Over-temperature protection (OTP)
TPS2121RUXR Applications
Backup and standby power
Input source selection
Multiple battery management
EPOS and barcode scanners
Building automation and surveillance
Tracking and telematics
