Introduction
1
Introduction
The TPS25921XEVM allows reference circuit evaluation of TI's TPS25921X devices. The TPS25921X
devices are available with both latching and auto-retry operation.
1.1
EVM Features
•
General TPS25921XEVM features include:
–
4.5-V to 18.0-V (TYP) operation
•
CH1 Rising input voltage turn-on threshold – 4.5 V (TYP)
•
CH1 rising input voltage turn-off threshold (OVP) – 17 V (TYP)
•
CH1 Falling Input voltage turn-off threshold (UVLO) –4.2 V (TYP)
•
CH2 Rising Input voltage turn-on threshold – 4.5 V (TYP)
•
CH2 Rising Input voltage turn-off threshold (OVP) – 17 V (TYP)
•
CH2 Falling Input voltage turn-off threshold (UVLO) – 4.2 V (TYP)
–
0.5-A to 1.5-A programmable current limit
–
Programmable undervoltage lockout/overvoltage
–
Programmable VOUT slew rate
–
Latched-off TPS25921LD
–
Auto-retry TPS25921AD
•
Push button RESET signal
•
On-board transorb is for overvoltage input protection
•
Common diode at output prevents a negative spike when the load is removed
1.2
EVM Applications
•
Set-top boxes, DVD and Blu-ray™ units
•
HDD and SSD drives
•
Thunderbolt host ports
•
Hot-swap boards
•
PCI/PCIe cards
•
White goods/appliances
•
Servers
Blu-ray is a trademark of Blu-ray Disc Association.
All other trademarks are the property of their respective owners.
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TPS25921X-637EVM: Evaluation Module for TPS25921X
SLUUB50 – August 2014
Copyright © 2014, Texas Instruments Incorporated