- MP62550
MP62550
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Description
MP62550/MP62551 Power Distribution Switch is designed for precision current limiting and provides up to 1.5A continuous output current. It offers programmable current limit between 60mA and 1.7A (typ) with ±10% accuracy by an external resistor. The switch includes an 88mΩ N-channel Power MOSFET and operates from 2.5V to 5.5V input voltage. The device has built-in protection for both over current and increased thermal stress. For over current, the device will limit the current by changing to a constant current mode. It will shutdown when its internal temperature reaches unsafe levels and recover once the device temperature reduces approx 10C. It provides built-in soft-start which controls the rise and fall times of the output voltage to limit the initial inrush current and voltage surges. The reverse-voltage protection feature turns off the MOSFET to protect the device. The FLAG output will report a fail mode (low level) when over current or over temperature is encountered. The FLAG will not change states when the input UVLO is triggered. The MP62550/MP62551 is available in space saving 6-pin TQFN 2x2mm package and TSOT23-6 package.
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Features & Benefits
- Up to 1.5A Continuous Output Current
- ±10% Current-Limit Accuracy
- Adjustable Current-Limit, 60mA -1700mA (typ)
- Fast Over-current Response 2μs (typ)
- 2.5V to 5.5V Supply Range
- 88mΩ MOSFET (TQFN Package)
- 1.5μA Maximum Standby Supply Current
- Reverse Input-Output Voltage Protection
- Built-in Soft-Start
- Thermal-Shutdown Protection
- Automatic-on after Fault Removed
- Under-Voltage Lockout
- Deglitched Fault Report
- FLAG Will Not Change State at Input UVLO Transition
- Bidirectional Fault Deglitch Time
- Active Low & Active High Options
Active Part Numbers:
MP62550DGT-LF-P MP62550DGT-LF-Z MP62550DJ-LF-P MP62550DJ-LF-Z
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z 
MP62550 Resources
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PRODUCT
MP5046PRODUCT60V, 5A E-Fuse with Configurable Current Limit and Reverse Current Protection
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