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LM2852YMXAX-2.5 Equivalent & Substitute Parts Reference
Part Overview
The Texas Instruments LM2852YMXAX-2.5 is a Power Management IC (PMIC) configured as a buck (step-down) switching regulator. It provides a fixed 2.5V output at up to 2A and is housed in a 14-PowerTSSOP package. This component is classified as obsolete, making it necessary to evaluate alternative models for continued design support, maintenance, and compatibility in applications requiring the same electrical and mechanical characteristics.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | LM2852YMXAX-2.5 |
| Manufacturer | Texas Instruments |
| Category | Power Management (PMIC) |
| Description | IC REG BUCK 2.5V 2A 14HTSSOP |
| Output Type | Fixed |
| Function | Step-Down |
| Topology | Buck |
| Output Configuration | Positive |
| Voltage - Input (Min) | 2.85V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 2.5V |
| Current - Output | 2A |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | Yes |
| Number of Outputs | 1 |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 14-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 14-HTSSOP |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8542.39.0060 |
| Part Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for LM2852YMXAX-2.5 are grouped based on strict matching of critical electrical and mechanical parameters specified for this power management IC. These parameters include identical input voltage range (2.85V–5.5V), fixed output voltage (2.5V), output current capability (2A), topology (buck/step-down), synchronous rectification, switching frequency (500kHz), number of outputs (1), package type (14-PowerTSSOP and 14-HTSSOP), operating temperature range, and surface mount compatibility. The compliance and MSL attributes are also directly matched.
Parameter Comparison
| Parameter | LM2852YMXAX-2.5 | LM2852YMXAX-2.5/NOPB |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | Power Management (PMIC) | Power Management (PMIC) |
| Description | IC REG BUCK 2.5V 2A 14HTSSOP | IC REG BUCK 2.5V 2A 14HTSSOP |
| Series | SIMPLE SWITCHER® | SIMPLE SWITCHER® |
| Product Status / Part Status | Obsolete | Active |
| Function | Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck | Buck |
| Output Type | Fixed | Fixed |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 2.85V | 2.85V |
| Voltage - Input (Max) | 5.5V | 5.5V |
| Voltage - Output (Min/Fixed) | 2.5V | 2.5V |
| Current - Output | 2A | 2A |
| Frequency - Switching | 500kHz | 500kHz |
| Synchronous Rectifier | Yes | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 14-PowerTSSOP (0.173", 4.40mm Width) | 14-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 14-HTSSOP | 14-HTSSOP |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
Engineering Selection Recommendations
The LM2852YMXAX-2.5 is obsolete. LM2852YMXAX-2.5/NOPB is active, RoHS-compliant, and maintains full parameter equivalence based on the input data. The main distinction is their RoHS status and product lifecycle designation, with LM2852YMXAX-2.5/NOPB being ROHS3 compliant and currently available. Selection between these parts can be based on compliance requirements and stock status without further technical differentiation.
Frequently Asked Questions (FAQ)
Q1: What are the critical parameters for substituting LM2852YMXAX-2.5?
A1: Electrical and mechanical compatibility is established through matching values for input voltage range, fixed output voltage, output current, switching frequency, topology (buck), synchronous rectification, package/case, and mounting method.
Q2: Is the LM2852YMXAX-2.5/NOPB a direct equivalent for all applications?
A2: LM2852YMXAX-2.5/NOPB matches all provided parameters for the LM2852YMXAX-2.5, including electrical, mechanical, and compliance fields.
Q3: What is the difference in compliance between the two parts?
A3: LM2852YMXAX-2.5 is RoHS non-compliant. LM2852YMXAX-2.5/NOPB is ROHS3 compliant. Both are REACH unaffected and have MSL 1 rating.
Q4: Are the package dimensions and mounting requirements identical?
A4: Both LM2852YMXAX-2.5 and LM2852YMXAX-2.5/NOPB share the 14-PowerTSSOP package (0.173", 4.40mm width) and are suitable for surface mount applications.
Q5: Does product status affect immediate substitution?
A5: Yes, LM2852YMXAX-2.5 is obsolete, while LM2852YMXAX-2.5/NOPB is active and available for production and design-in continuity.
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