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MIC2040-1BMM-TR
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHAN 1:1 10MSOP
- Series：-
- Mfr：Microchip Technology
- 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：0.8V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：1.6V ~ 5.5V
- Current - Output (Max)：1.5A
- Rds On (Typ)：50mOhm
- Input Type：Non-Inverting
- Features：Status Flag
- Fault Protection：Current Limiting (Adjustable), Over Temperature, UVLO
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：10-MSOP
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
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Overview
The MIC2040-1BMM-TR is a single-channel high-side power distribution switch manufactured by Microchip Technology. It operates within an input voltage range of 0.8V to 5.5V and supports up to 500mA continuous output current with a programmable current limit reaching 1.5A. The device features a maximum on-resistance of 75mΩ, ensuring efficient power delivery. Integrated protections include thermal shutdown and short-circuit protection. It utilizes a TSSOP-10 surface-mount package and functions reliably across an operating temperature range of -40°C to +85°C.
Feature Summary
- Integrates soft-start circuitry to minimize inrush current for highly capacitive loads
- Provides fault status flag output to detect overcurrent and thermal shutdown conditions
- Includes reverse current flow block when disabled to prevent back-feeding
Applications
- General purpose power distribution requiring circuit protection
- Multi-port USB applications satisfying upstream/downstream power requirements
- Portable devices requiring low-voltage switching
Procurement Notes
Verify the specific suffix '1BMM-TR' against official Microchip documentation to confirm exact packaging quantity and tape-and-reel specifications. Ensure the selected variant matches the required operating temperature range and package dimensions for your PCB layout. Cross-reference the datasheet revision date to confirm compatibility with your design constraints.
Selection Notes
Select this component for applications requiring precise current limiting and thermal protection in low-voltage environments. The programmable current limit allows customization for different load profiles. Consider the 75mΩ on-resistance for efficiency calculations and ensure the TSSOP-10 footprint aligns with assembly capabilities. Evaluate the need for fault status monitoring if system diagnostics are required.
Part Context
This part belongs to the MIC2040/2041 family of single-channel low-voltage power distribution switches. While the MIC2041 offers auto-reset circuit breaker mode, the MIC2040 variant typically requires manual reset after a fault condition. Both share similar electrical characteristics but differ in recovery behavior upon overload events.
Replacement Considerations
Direct substitutes may include other single-channel high-side switches from Microchip or Micrel with comparable voltage ratings and current limits. Verify pinout compatibility and on-resistance values before substitution. Alternative packages such as MSOP or DFN may require schematic and layout modifications.
