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Summary

The Texas Instrument TPS7H2201-SP is a single channel load switch radiation hardened and suitable for space satellite power management and distribution.

With a programmable slew rate, configurable rise time is provided by the component to minimize the reverse current protection and inrush current.

The component features a P-Channel MOSFET capable operating over a range of input voltage. An on and off input (EN) controls the switch that interfaces directly with the low-voltage control signals.

The integrated thermal pad with the ceramic package of the component allows high power dissipation.

Applications

  • Space satellite power management and distribution
  • Radiation hardened and tolerant power tree applications
  • Available in military (–55°C to 125°C) temperature range

Orderable Part Numbers

Key features

  • Radiation performance:
    • Radiation hardness assurance (RHA) up to TID 100 krad(Si)
    • Single event latchup (SEL), single event burnout (SEB), and single event gate rupture (SEGR) immune to LET=75 MeV-cm2/mg
    • SEFI/SET characterized to
      LET=75 MeV-cm2/mg
  • Integrated single channel load switch
  • Input voltage range: 1.5 V to 7 V
  • Low on-resistance (RON) of 35-mΩ maximum at 25°C and VIN=5 V
  • 6-A maximum continuous switch current
  • Low control input threshold enables use of
    1.2-, 1.8-, 2.5-, and 3.3-V logic
  • Configurable rise time (soft start)
  • Reverse current protection
  • Programmable and internal current limiting
    (fast-trip)
  • Programmable fault timer (current limit and
    retry modes)
  • Thermal shutdown
  • Ceramic package with thermal pad

Reference designs

  • TIDA-070001 - 3- to 7-VIN, Space-grade point-of-load (POL) reference design with redundant eFuse inputs for OCP

Testing & qualification

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Last updated: 2021-12-21

TPS7H2201-SP

Radiation-hardness-assured (RHA), 1.5-V to 7-V input, 6-A load switch and eFuse

Downloads

Specs

input voltage
1.5 to 7 V
operating temperature
-55 to 125 C
RoHS compliance
yes
REACH compliance
yes
export control
EAR99

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