Precision Adjustable Current-Limited Power-Distribution Switches, SGM40642 Replace TPS2553DRVR.
SGM40642
SGM40642.pdf
FEATURES
? 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

優勢替代
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
