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MP5002DQ-LF-P
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 1:1 10QFN
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR)
- Switch Type：General Purpose
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：N-Channel
- Interface：On/Off
- Voltage - Load：10V ~ 18V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：3A
- Rds On (Typ)：44mOhm
- Input Type：Non-Inverting
- Features：Slew Rate Controlled, Status Flag
- Fault Protection：Current Limiting (Adjustable), Over Temperature, Over Voltage, UVLO
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：10-QFN (3x3)
- Package / Case：10-VFDFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The MP5002DQ-LF-P is a programmable current limit power switch IC from Monolithic Power Systems, designed for power distribution applications. It features a single output capable of delivering up to 3 A with a fixed current limit of 1.55 A. The device operates within a supply voltage range of 2.5 V to 4 V and exhibits a maximum on-resistance of 82 mΩ. It is housed in a QFN-10 surface-mount package and supports an operating temperature range from -40 °C to +85 °C.
Feature Summary
- Integrates a low on-resistance power FET for efficient power distribution
- Features programmable current limiting to protect downstream circuits
- Includes enable and fault reporting pins for system monitoring
Applications
- Portable electronic devices requiring protected power rails
- Peripheral interface power switching
- Battery-powered equipment load management
Procurement Notes
Verify the component status as NRND (Not Recommended for New Designs) before procurement. Confirm that the QFN-10 package dimensions match your PCB footprint requirements. Ensure the 2.5 V to 4 V input voltage range aligns with your system's power supply specifications. Check for RoHS compliance documentation if required by your manufacturing standards.
Selection Notes
Select this component when a single-channel power switch with integrated current limiting is required for low-voltage systems. The 82 mΩ on-resistance offers a balance between efficiency and cost for moderate current loads. Consider the QFN-10 package for compact designs where thermal performance is manageable within the specified temperature range.
Part Context
This part belongs to the MPS power switch IC family, specifically engineered for power distribution tasks. It serves as a protective element between the power source and the load, preventing damage from overcurrent conditions. The device integrates control logic with a high-side DMOS switch to provide reliable circuit protection in space-constrained applications.
Replacement Considerations
MP5001DQ-LF-Z is listed as an alternative for new designs, offering similar functionality with different voltage and current specifications.
