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LP3470M5X-2.93 Equivalent & Substitute Parts
Part Overview
The LP3470M5X-2.93 is a single-channel supervisor IC in SOT-23-5 surface mount packaging, designed for power-on reset and simple reset applications. This component monitors a single voltage threshold at 2.93V with an active-low reset output and 1ms minimum reset timeout. The main part number is currently marked as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Power Management (PMIC) |
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Voltage Threshold | 2.93V |
| Output Type | Open Drain or Open Collector |
| Reset Logic | Active Low |
| Reset Timeout | 1ms Minimum |
| Operating Temperature Range | -20°C ~ 85°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the LP3470M5X-2.93 is determined by strict equivalence across the following critical parameters:
- Single voltage monitoring channel
- 2.93V threshold voltage
- Open drain or open collector output configuration
- Active-low reset logic
- 1ms minimum reset timeout
- SOT-23-5 package compatibility
- Surface mount capability
- Operating temperature range of -20°C to 85°C
The substitute parts identified maintain identical electrical specifications and mechanical compatibility. Packaging variations (Cut Tape, Tape & Reel) represent different supply formats of the same component and do not affect functional equivalence.
Parameter Comparison
| Parameter | LP3470M5X-2.93 | LP3470M5X-2.93/NOPB | LP3470M5-2.93/NOPB |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Type | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 | 1 | 1 |
| Voltage Threshold | 2.93V | 2.93V | 2.93V |
| Output Type | Open Drain or Open Collector | Open Drain or Open Collector | Open Drain or Open Collector |
| Reset Logic | Active Low | Active Low | Active Low |
| Reset Timeout | 1ms Minimum | 1ms Minimum | 1ms Minimum |
| Operating Temperature | -20°C ~ 85°C (TJ) | -20°C ~ 85°C (TJ) | -20°C ~ 85°C (TJ) |
| Package / Case | SC-74A, SOT-753 | SC-74A, SOT-753 | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 | SOT-23-5 | SOT-23-5 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Not For New Designs | Not For New Designs |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
LP3470M5X-2.93/NOPB is the direct manufacturer equivalent with identical electrical and mechanical specifications. This part carries ROHS3 compliance and is available in Cut Tape and Digi-Reel packaging formats, making it suitable for both production and maintenance applications where the original part is no longer available.
LP3470M5-2.93/NOPB is a parametric equivalent available in Tape & Reel format. This part maintains all critical electrical parameters and package compatibility while offering ROHS3 compliance. Selection between the two substitutes depends on packaging requirements and supply chain availability.
Both substitute parts are marked as "Not For New Designs," indicating they remain available for legacy system support and replacement applications but are not recommended for new product development. For new designs requiring supervisor functionality with 2.93V threshold monitoring, consultation with Texas Instruments for current-generation alternatives is advised.
Frequently Asked Questions (FAQ)
Q: Can LP3470M5X-2.93/NOPB be used as a direct replacement for LP3470M5X-2.93?
A: Yes. Both parts are electrically and mechanically identical, with the primary difference being packaging format and RoHS compliance status. The /NOPB variant is ROHS3 compliant.
Q: What is the difference between LP3470M5X-2.93/NOPB and LP3470M5-2.93/NOPB?
A: Both parts are parametric equivalents with identical electrical specifications and SOT-23-5 package compatibility. The difference lies in supply packaging: LP3470M5X-2.93/NOPB is available in Cut Tape and Digi-Reel formats, while LP3470M5-2.93/NOPB is supplied in Tape & Reel format.
Q: Are these parts suitable for new product designs?
A: No. All three parts carry "Obsolete" or "Not For New Designs" status. They are appropriate for legacy system maintenance and replacement applications only.
Q: Does the SOT-23-5 package remain consistent across all substitute parts?
A: Yes. All substitute parts use the SC-74A, SOT-753 package designation with SOT-23-5 supplier device package, ensuring PCB layout and assembly compatibility.
Q: What compliance certifications apply to the substitute parts?
A: LP3470M5X-2.93/NOPB and LP3470M5-2.93/NOPB are both ROHS3 compliant. All parts carry REACH Unaffected status and EAR99 ECCN classification.
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