Precision Adjustable Current-Limited Power-Distribution Switches, SGM40642 Replace TPS2553DRVR.
SGM40642
SGM40642.pdf
SGM40642.pdfFEATURES
• 2.5V to 6.5V Operation
• 55mΩ Internal Switch (High-side MOSFET)
• Up to 2.5A Continuous Load Current
• Up to 20V Input Over-Voltage Tolerance
• Output Shutoff at 7.6V Input Over-Voltage
• 100ns Over-Voltage Lockout (OVLO) Response
• 3.5μs Short Circuit Response
• Reverse Current Blocking while Disabled
• Built-In Soft-Start
• Pin-to-Pin Compatible with SGM2553
• -40℃ to +125℃ Operating Temperature Range
• Available in a Green TDFN-2×2-6AL Package
PIN CONFIGUTION
CROSS
FEATURES
• Up to 1.5-A Maximum Load Current
• ±6% Current-Limit Accuracy at 1.7 A (Typical)
• Meets USB Current-Limiting Requirements
• Backwards Compatible With TPS2550 and
TPS2551
• Adjustable Current Limit: 75 mA to 1700 mA
(Typical)
• Constant-Current (TPS255x) and Latch-Off
(TPS255x-1) Versions
• Fast Overcurrent Response - 2 μs (Typical)
• 85-mΩ High-Side MOSFET (DBV Package)
• Reverse Input-Output Voltage Protection
• Operating Range: 2.5 V to 6.5 V
• Built-In Soft Start
• 15-kV ESD Protection per IEC 61000-4-2 (With
External Capacitance)
• UL Listed – File No. E169910 and NEMKO
IEC60950-1-am1 ed2.0
• See the TI Switch Portfolio
PIN CONFIGUTION
