TPS1663 60V, 6A Power Limiting eFuse | TI.com

TPS1663 (ACTIVE) 60V, 6A Power Limiting eFuse

 

Description

The TPS1663x is an easy to use, positive 60 V, 6-A eFuse with a 31-mΩ integrated FET. Protection for the load, source and eFuse itself are provided along with adjustable features such as accurate overcurrent protection, fast short circuit protection, output slew rate control, overvoltage protection and undervoltage lockout. The TPS16332 device integrates adjustable output power limiting (PLIM) functionality that simplifies and enables compliance to standards such as IEC61010-1 and UL1310. The device also includes adjustable overcurrent functionality. PGOOD can be used for enable and disable control of the downstream DC-DC converters.

A shutdown pin provides external control for enabling and disabling the internal FET as well as placing the device in a low current shutdown mode. For system status monitoring and downstream load control, the device provides fault and a precise current monitor output. The MODE pin allows flexibility to configure the device between the two current-limiting fault responses (latch off and auto-retry).

The devices are available in a 4-mm × 4-mm 24-pin VQFN package and are specified over a –40°C to +125°C temperature range.

Features

  • 4.5-V to 60-V Operating voltage,
    62-V absolute maximum
  • Integrated 60-V, 31-mΩ RON Hot-Swap FET
  • 0.6-A to 6-A Adjustable current limit (± 7%)
  • Low Quiescent current, 21-µA in shutdown
  • Adjustable output power limiting (TPS16632 only) (± 10%)
  • Adjustable UVLO and OVP cut off with ± 2% accuracy
    • Fixed 39-V maximum overvoltage clamp (TPS16632 only)
  • Adjustable output slew rate control for inrush current limiting
    • Charges large and unknown capacitive loads through thermal regulation during device power up
  • Power Good Output (PGOOD)
  • Selectable overcurrent fault response options between Auto-Retry and Latch Off (MODE)
  • Analog current monitor (IMON) output (± 6%)
  • UL 2367 and UL 60950 recognition pending
  • Available in easy-to-use 24- Pin VQFN package

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Parametrics

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Part number Order FET Vin (Min) (V) Vin (Max) (V) Vabsmax_cont (V) Current limit (Min) (A) Current limit (Max) (A) Features Overcurrent response Current limit type UL recognition Fault response Current limit function enabled Ron (Typ) (mOhm) Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG)
TPS1663 Order now Internal     4.5     60     62     0.6     6     Analog Current Monitor
Fault Output
Overvoltage Cutoff
Soft-Start
Thermal Shutdown    
Current Limiting
Circuit Breaker with Auto Retry    
Adjustable     Yes     Auto Retry
Latch Off    
Always     31     Catalog     -40 to 125     VQFN | 24     24VQFN: 16 mm2: 4 x 4 (VQFN | 24)