The TPS23523 is
an integrated hot swap and
that enables high power telecom systems to comply with stringent transient requirements. The 200-V
absolute maximum rating makes it easier to survive lightning surge tests (IEC61000-4-5). The soft
start cap disconnect allows for the use of smaller hot swap FETs by limiting the inrush current,
without hurting the transient response. The dual hot swap gate
driver saves space and BOM cost in high power applications that require multiple hot swap
FETs.The 400-µA sourcing current allows fast recovery, which helps to avoid system resets
during lightning surge tests. The dual current limit makes it easier to pass brown outs and input
steps such as required by the ATIS 0600315.2013. Finally, it offers accurate undervoltage and
overvoltage protection with programmable thresholds and hysteresis.
The TPS23523 integrates an OR-ing controller, making it ideal for
–48-V systems that require reverse hook-up protection and reverse-current protection. The OR-ing
controller protects the output when the input drops avoiding system resets.
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