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MIC2526-2BM
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Product Detailed Parameters
- Description：DUAL USB POWER CONTROL SWITCH
- Series：-
- Mfr：Micrel Inc.
- Package：Bulk
- Switch Type：USB Switch
- Number of Outputs：2
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：N-Channel
- Interface：On/Off
- Voltage - Load：3V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：500mA
- Rds On (Typ)：100mOhm
- Input Type：Non-Inverting
- Features：Status Flag
- Fault Protection：Current Limiting (Fixed), Over Temperature, UVLO
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOP
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Grade：-
- Qualification：-
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Overview
The MIC2526-2BM is a dual integrated high-side power switch designed for USB applications. It features two independent switches with input voltage range of 3V to 5.5V and 140mΩ maximum on-resistance. Each port supports 500mA continuous load current and 1.25A short circuit limit. The device includes individual open-drain fault flag pins, thermal shutdown, and 1ms soft-start. Typical supply currents are 110µA in on-state and 1µA in off-state. It operates within -40°C to +85°C temperature range and is available in 8-pin SOIC packages.
Feature Summary
- Dual independent high-side power switches optimized for USB compliance
- Integrated thermal shutdown and undervoltage lockout protection
- Individual open-drain fault flag outputs for status monitoring
- Soft-start functionality with 1ms turn-on time
Applications
- USB host controllers
- Self-powered USB hubs
- Bus-powered USB hubs
- Hot plug-in power supplies
Procurement Notes
Verify the specific suffix 'BM' indicates the SOIC package variant when sourcing. Confirm that the component meets current USB specifications if used in new designs, as some Micrel USB switch families have been marked as not recommended for new designs. Ensure compatibility with active-high or active-low enable requirements based on system logic levels.
Selection Notes
Select this component for dual-port USB power management requiring independent control. The 140mΩ on-resistance minimizes power loss compared to higher resistance alternatives. Consider the 500mA per-port limit for downstream device support. The integrated fault flags simplify system diagnostics without external comparators.
Part Context
The MIC2526 series belongs to Micrel's portfolio of USB power control switches. This dual-switch variant provides compact integration for portable electronics. The brand transition from Micrel to Microchip does not alter the functional specifications documented in original datasheets.
Replacement Considerations
MIC2524 series devices offer quad switch configurations but are noted as not recommended for new designs. Verify pinout compatibility if substituting with other dual-channel USB switches from different manufacturers.
