TPS23525 TPS2352x -48 V High Performance Hot Swap and ORing Controller | TI.com

TPS23525 (ACTIVE)

TPS2352x -48 V High Performance Hot Swap and ORing Controller

TPS2352x -48 V High Performance Hot Swap and ORing Controller  - TPS23525
 

Description

The TPS23525 is an integrated hot swap and dual OR-ing controller 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 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 TPS23525 integrates a dual OR-ing controller, making it ideal for –48-V systems fed by two redundant supplies.

Features

  • –10-V to –80-V DC Operation, –200-V Absolute Maximum
  • Soft Start Cap Disconnect
  • 400-µA Gate Sourcing Current
  • Dual Current Limit (based on VDS)
    • 25 mV ±4% When Low VDS
    • 3 mV ±25% When High VDS
  • Programmable UV(±1.5%) and OV (±2%)
    • Programmable Hysteresis (±11%)
  • Integrated Dual OR-ing Controller
    • Regulation: 25 mV ±15 mV
    • Fast Turn off: –6 mV ±4 mV
  • Retries After Time Out
  • 16-Pin TSSOP

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Parametrics Compare all products in Hot Swap Controllers (Positive, -48V)

 
Vin (Min) (V)
Vin (Max) (V)
Vabsmax_cont (V)
Channel(s) Controlled (#)
Current Limit Threshold (Typ) (Ext FET=mV)
Current Limit Accuracy
Fault Response
Status Output
ON_OFF Control Input(s)
Design Support
FET Protection
Features
Current Limit Function Enabled
Rating
Operating Temperature Range (C)
Pin/Package
TPS23525 TPS23521 TPS23523
-10     -10     -10    
-80     -80     -80    
-200     -200     -200    
1     1     1    
25     25     25    
4%     5%     5%    
Auto Retry     Auto Retry     Auto Retry    
PG     PG     PG    
EN     EN     EN    
Calculation Tool
EVM    
Calculation Tool
EVM    
Calculation Tool
EVM    
SOA     SOA     SOA    
HV OVUV
dV/dT    
HV OVUV
dV/dT    
HV OVUV
dV/dT    
Always     Always     Always    
Catalog     Catalog     Catalog    
-40 to 125     -40 to 125     -40 to 125    
16TSSOP     16TSSOP     16TSSOP