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PS30MG-G LED Driver IC Equivalent & Substitute Parts
Part Overview
The PS30MG-G is an AC DC offline switcher LED driver IC manufactured by Microchip Technology, designed for lighting applications with support for Flyback, Step-Down (Buck), and Step-Up (Boost) topologies. The device operates across a wide temperature range of -40°C to 150°C and is packaged in a 10-MSOP form factor. However, this part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | PS30MG-G |
| Manufacturer | Microchip Technology |
| Category | Power Management (PMIC) |
| Type | AC DC Offline Switcher |
| Topology | Flyback, Step-Down (Buck), Step-Up (Boost) |
| Number of Outputs | 1 |
| Frequency | 67 kHz |
| Operating Temperature | -40°C to 150°C (TJ) |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the PS30MG-G is determined by the following critical parameters:
Primary Substitution Criteria:
- Type: AC DC Offline Switcher
- Number of Outputs: 1
- Applications: Lighting
- RoHS Compliance: ROHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
- Operating Temperature Range: Minimum -40°C, ideally supporting up to 150°C or higher
- Mounting Type: Surface Mount
Secondary Compatibility Factors:
- Topology compatibility (Flyback, Buck, or Boost)
- Package form factor (SOIC or MSOP variants acceptable for PCB redesign)
- Dimming capability (Triac, PWM, or standard)
- Internal switch presence (Yes or No)
The substitute parts listed below meet the core functional requirements for AC DC offline LED driver applications and maintain compliance with RoHS3 and MSL-1 standards. All substitutes are currently in active production status, ensuring long-term availability.
Parameter Comparison
| Part Number | Manufacturer | Type | Topology | Number of Outputs | Operating Temperature (TJ) | Package / Case | Product Status | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|
| PS30MG-G | Microchip Technology | AC DC Offline Switcher | Flyback, Buck, Boost | 1 | -40°C to 150°C | 10-MSOP | Obsolete | ROHS3 | 1 |
| LM3447MTE/NOPB | Texas Instruments | AC DC Offline Switcher | Flyback | 1 | -40°C to 125°C | 14-TSSOP | Active | ROHS3 | 1 |
| LT3799EMSE-1#PBF | Analog Devices Inc. | AC DC Offline Switcher | Flyback | 1 | -40°C to 125°C | 16-MSOP-EP | Active | ROHS3 | 1 |
| LYT1604D-TL | Power Integrations | AC DC Offline Switcher | Step-Down (Buck) | 1 | -40°C to 125°C | 8-SOIC | Active | RoHS | 1 |
| LYT2003D-TL | Power Integrations | Offline Switcher | Flyback | 1 | -40°C to 150°C | 8-SOIC | Active | RoHS | 1 |
| LYT2005E | Power Integrations | Offline Switcher | Flyback | 1 | -40°C to 150°C | 8-SOIC | Active | RoHS | 1 |
| MP4032-2GS-Z | Monolithic Power Systems Inc. | AC DC Offline Switcher | Buck, Boost | 1 | -40°C to 125°C | 8-SOIC-7A | Active | ROHS3 | 2 |
| MXHV9910BETR | Littelfuse | AC DC Offline Switcher | Step-Down (Buck) | 1 | -40°C to 85°C | 8-SOIC-EP | Active | ROHS3 | 1 |
| NCL30060BDR2G | onsemi | AC DC Offline Switcher | Flyback, Buck | 1 | -40°C to 105°C | 7-SOIC | Active | ROHS3 | 1 |
| TPS92210D | Texas Instruments | AC DC Offline Switcher | Flyback | 1 | -40°C to 125°C | 8-SOIC | Active | ROHS3 | 1 |
Engineering Selection Recommendations
Primary Substitutes (Highest Compatibility):
LYT2003D-TL and LYT2005E from Power Integrations are the most suitable direct replacements. Both devices maintain the full operating temperature range of -40°C to 150°C, matching the PS30MG-G specification. They employ Flyback topology with integrated switches and are available in 8-SOIC packaging. LYT2003D-TL supports 7W applications, while LYT2005E supports 12W applications. Both are RoHS compliant with MSL-1 rating and active product status.
Secondary Substitutes (Topology-Specific):
LT3799EMSE-1#PBF (Analog Devices) provides Flyback topology in a 16-MSOP-EP package with active status and extensive frequency range (25 kHz to 300 kHz). MP4032-2GS-Z (Monolithic Power Systems) offers Buck and Boost topologies in 8-SOIC-7A packaging with Triac dimming capability and ROHS3 compliance, though MSL rating is 2 (1 Year).
Temperature-Constrained Applications:
For applications requiring the full -40°C to 150°C range, LYT2003D-TL and LYT2005E are mandatory selections. All other substitutes operate to maximum 125°C or lower, which may be insufficient for high-temperature environments.
Package Considerations:
PCB redesign may be required when transitioning from 10-MSOP to alternative packages (8-SOIC, 14-TSSOP, or 16-MSOP-EP). All listed substitutes are surface-mount devices suitable for automated assembly.
Compliance and Availability:
All substitute parts maintain ROHS3 compliance and MSL-1 rating (except MP4032-2GS-Z at MSL-2). All are currently in active production with substantial inventory availability, ensuring supply chain continuity.
Frequently Asked Questions (FAQ)
Q: Can I directly replace PS30MG-G with any of these substitutes without PCB modification?
A: Direct pin-for-pin replacement is not possible due to package differences. The PS30MG-G uses 10-MSOP packaging, while most substitutes employ 8-SOIC or alternative MSOP variants. PCB layout redesign is required for any substitution.
Q: Which substitute best matches the PS30MG-G operating temperature range?
A: LYT2003D-TL and LYT2005E both support -40°C to 150°C (TJ), identical to the PS30MG-G. All other substitutes are limited to 125°C or lower maximum junction temperature.
Q: What is the difference between LYT2003D-TL and LYT2005E?
A: Both are Power Integrations LYTSwitch-2 series Flyback converters with identical electrical specifications and temperature range. The primary difference is power rating: LYT2003D-TL supports 7W applications, while LYT2005E supports 12W applications. Both use 8-SOIC packaging and are available in active production status.
Q: Are all substitutes RoHS3 compliant?
A: Most substitutes are ROHS3 compliant. LYT1604D-TL and LYT2003D-TL/LYT2005E are RoHS compliant (not explicitly ROHS3). Verify specific RoHS certification requirements for your application before final selection.
Q: What does MSL-1 vs MSL-2 mean for component handling?
A: MSL (Moisture Sensitivity Level) indicates moisture absorption risk during storage. MSL-1 (Unlimited) allows indefinite shelf life under controlled conditions. MSL-2 (1 Year) requires baking before reflow if the component has been exposed to moisture for more than one year. MP4032-2GS-Z carries MSL-2 rating; all others are MSL-1.
Q: Can I use MXHV9910BETR as a substitute if my application operates above 85°C?
A: No. MXHV9910BETR is limited to -40°C to 85°C (TA) ambient temperature, making it unsuitable for high-temperature applications. Select LYT2003D-TL, LYT2005E, or NCL30060BDR2G for extended temperature requirements.
Q: What topology differences should I consider when selecting a substitute?
A: The PS30MG-G supports Flyback, Buck, and Boost topologies. Substitutes vary: LYT2003D-TL and LYT2005E support Flyback only; MP4032-2GS-Z supports Buck and Boost; NCL30060BDR2G supports Flyback and Buck. Select based on your circuit topology requirements and power conversion needs.
Q: Are all substitutes available in high volume?
A: Yes. All listed substitutes are in active production with inventory ranging from 719 to 35,400 pieces. LT3799EMSE-1#PBF has the highest inventory (25,400 pcs), ensuring supply availability for volume production.
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