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NCP380HMU20AATBG
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Product Detailed Parameters
- Description：IC PWR SWITCH P-CHAN 1:1 6UDFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Type：General Purpose
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：P-Channel
- Interface：On/Off
- Voltage - Load：2.5V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：2A
- Rds On (Typ)：55mOhm
- Input Type：Non-Inverting
- Features：Enable Input High, Slew Rate Controlled, Status Flag
- Fault Protection：Current Limiting (Fixed), UVLO
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：6-UDFN (2x2)
- Package / Case：6-UDFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The NCP380HMU20AATBG is a high-side power distribution switch from onsemi, featuring a single P-channel MOSFET output with a maximum continuous current of 2.1 A. It operates within a load voltage range of 2.5 V to 5.5 V and has a typical on-resistance of 55 mΩ. The device incorporates fixed overcurrent protection set at 2.0 A, along with undervoltage lockout (UVLO) for fault management. It supports controlled slew rates to minimize current ringing during switching events. The component is housed in a compact uDFN-6 package and is designed for surface-mount installation.
Feature Summary
- Integrates a P-channel MOSFET with fixed 2.0 A overcurrent protection threshold
- Features controlled slew rate capability to reduce switching noise and current ringing
- Includes internal reverse voltage detection to protect upstream circuitry
- Provides a status flag output indicating overcurrent, reverse voltage, or thermal faults
Applications
- Capacitive load applications requiring soft-start capabilities
- Short-circuit protected power distribution circuits
- Automotive electronic control units
- Industrial load driver systems
Procurement Notes
Verify the specific suffix '20' confirms the fixed 2.0 A current limit setting, as other variants in the NCP380 family offer adjustable thresholds via external resistors. Confirm that the uDFN-6 package dimensions align with the target PCB footprint. Ensure the operating temperature range meets the application requirements, noting that automotive-grade versions may differ in thermal specifications. Check RoHS compliance status if restricted substances are a concern for the final assembly.
Selection Notes
Select this model when a fixed 2.0 A current limit is sufficient, eliminating the need for external programming resistors used in adjustable variants. The integrated slew rate control makes it suitable for sensitive loads where rapid switching could cause electromagnetic interference. Compare against NCP380HMUJAATBG if an adjustable current limit between 500 mA and 2.1 A is required instead. Consider the uDFN-6 package size constraints relative to available board space and thermal dissipation needs.
Part Context
This component belongs to the NCP380 series of high-side power switches designed for robust power distribution. The series offers various packages including uDFN-6 and TSOP-5, with options for fixed or adjustable current limits. The NCP380HMU20AATBG specifically targets applications needing reliable short-circuit protection and controlled turn-on characteristics within a low-voltage domain.
Replacement Considerations
NCV380HMUAJAATBG provides similar functionality but features an adjustable current limit rather than a fixed 2.0 A setting. NCP380HMU10AATBG offers a lower fixed current limit of 1.0 A. Verify pin compatibility and thermal performance when substituting these alternatives.
