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MIC284-0BMM-TR Equivalent & Substitute Parts
Part Overview
The MIC284-0BMM-TR is a digital temperature sensor manufactured by Microchip Technology, designed for local and remote temperature monitoring across a -55°C to 125°C range with I2C/SMBus output interface. This component is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing system support and new designs.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Sensor Type | Digital, Local/Remote |
| Sensing Temperature Range | -55°C ~ 125°C |
| Output Type | I2C/SMBus |
| Supply Voltage | 2.7V ~ 5.5V |
| Resolution | 7 bits |
| Accuracy | ±2°C (0°C ~ 100°C), ±3°C (-55°C ~ 125°C) |
| Package | 8-MSOP (0.118", 3.00mm Width) |
| Mounting Type | Surface Mount |
| Features | Output Switch, Programmable Limit, Shutdown Mode, Standby Mode |
Substitute Part Grouping Explanation
Substitution for the MIC284-0BMM-TR is determined by strict alignment of the following electrical and mechanical parameters:
Primary Substitution Criteria:
- Sensor type classification (Digital, Local/Remote)
- Temperature sensing range (-55°C ~ 125°C minimum)
- Output interface (I2C/SMBus protocol)
- Supply voltage compatibility (2.7V ~ 5.5V)
- Resolution (7 bits minimum)
- Accuracy specification (±2°C to ±3°C range)
- Package form factor (8-MSOP or equivalent footprint)
Direct Equivalent Identified: MIC284-0YMM-TR meets all substitution criteria as a direct functional equivalent from the same manufacturer and product series.
Non-Equivalent Part in Provided List: A6284KLPTR-T is classified as a Power Management IC (LED Driver) and does not meet the substitution criteria for temperature sensor applications. This part operates in a different functional category with incompatible output type, package configuration, and application domain.
Parameter Comparison
| Parameter | MIC284-0BMM-TR | MIC284-0YMM-TR | A6284KLPTR-T |
|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Allegro MicroSystems |
| Category | Temperature Sensors | Temperature Sensors | Power Management (PMIC) |
| Sensor Type | Digital, Local/Remote | Digital, Local/Remote | N/A |
| Temperature Range | -55°C ~ 125°C | -55°C ~ 125°C | -40°C ~ 150°C |
| Output Type | I2C/SMBus | I2C/SMBus | PWM |
| Supply Voltage | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 5V ~ 42V |
| Resolution | 7 bits | 7 bits | N/A |
| Accuracy | ±2°C (±3°C) | ±2°C (±3°C) | N/A |
| Package | 8-MSOP | 8-MSOP | 20-TSSOP-EP |
| Product Status | Discontinued | Active | Active |
| RoHS Status | Non-compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Recommended Substitute: MIC284-0YMM-TR
The MIC284-0YMM-TR is the appropriate substitute for the discontinued MIC284-0BMM-TR. Both components share identical electrical specifications, package configuration, and functional capabilities. The MIC284-0YMM-TR maintains active product status with ROHS3 compliance, providing improved regulatory alignment compared to the original part. Inventory availability (2827 units) supports production requirements.
Non-Recommended: A6284KLPTR-T
The A6284KLPTR-T is not suitable for substitution. This component functions as an LED driver IC with PWM output, fundamentally different from the temperature sensor application domain. Electrical parameters including supply voltage range (5V ~ 42V), output type (PWM), and package configuration (20-TSSOP-EP) are incompatible with MIC284-0BMM-TR requirements. Selection of this part would require complete circuit redesign and is not a valid equivalent.
Frequently Asked Questions (FAQ)
Q: Can MIC284-0YMM-TR directly replace MIC284-0BMM-TR in existing designs?
A: Yes. Both parts are from the same Microchip MIC284 series with identical electrical specifications, temperature range, I2C/SMBus interface, supply voltage requirements, and 8-MSOP package footprint. No circuit modifications are required.
Q: What is the difference between MIC284-0BMM-TR and MIC284-0YMM-TR?
A: The primary difference is product status and compliance. MIC284-0BMM-TR is discontinued and RoHS non-compliant. MIC284-0YMM-TR is active and ROHS3 compliant. Electrical and functional specifications are identical.
Q: Why is A6284KLPTR-T listed as a substitute if it cannot replace the MIC284-0BMM-TR?
A: A6284KLPTR-T is not a valid substitute. It is a Power Management IC (LED Driver) with fundamentally different function, output type, and package. This part was included in the provided data but does not meet substitution criteria for temperature sensor applications.
Q: Are there any package compatibility concerns with MIC284-0YMM-TR?
A: No. Both MIC284-0BMM-TR and MIC284-0YMM-TR use the 8-MSOP package with identical 0.118" (3.00mm) width specification. PCB footprints and land patterns are compatible.
Q: What supply voltage range should be used with MIC284-0YMM-TR?
A: The specified supply voltage range is 2.7V to 5.5V. Design implementations must remain within this range for proper sensor operation and accuracy specifications.
Q: Does MIC284-0YMM-TR support the same features as the original part?
A: Yes. Both components include Output Switch, Programmable Limit, Shutdown Mode, and Standby Mode features with identical functional implementation.
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