Cantara/qualcomm
.claude/skills/manufacturers/qualcomm/SKILL.md
Qualcomm MPN encoding patterns, suffix decoding, and handler guidance. Use when working with Qualcomm mobile SoCs, RF front-end, WiFi/Bluetooth, modems, or power management ICs.
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SKILL.md
- name:
- qualcomm
- description:
- Qualcomm MPN encoding patterns, suffix decoding, and handler guidance. Use when working with Qualcomm mobile SoCs, RF front-end, WiFi/Bluetooth, modems, or power management ICs.
Qualcomm Manufacturer Skill
Company Overview
Qualcomm is a leading fabless semiconductor company specializing in:
- Mobile SoCs: Snapdragon mobile platforms (SM, SD, QSD, MSM series)
- IoT/Embedded: QCS/QCM IoT platforms, APQ application processors, IPQ network processors
- RF Front-End: RF modules (QM), power modules (QPM), antenna tuners (QAT), envelope trackers (QET)
- Wireless Connectivity: WiFi/Bluetooth (QCA, WCN), cellular modems (MDM), small cell (FSM)
- Power Management: PMICs (PM, PMI), battery charging (SMB)
- Audio: Audio codecs (WCD), smart amplifiers (WSA)
MPN Structure
Qualcomm MPNs follow this general structure:
[PREFIX][SERIES][-PACKAGE]
│ │ │
│ │ └── Optional: Package suffix (BGA, CSP, QFN, etc.)
│ └── Numeric series (3-4 digits)
└── Product family prefix (SM, QCA, PM, etc.)
Example Decoding
SM8550-AB
│ │ │
│ │ └── AB = Package/variant designation
│ └── 8550 = Snapdragon 8 Gen 2 series
└── SM = Snapdragon Mobile platform
QCA6390-FCBGA
│ │ │
│ │ └── FCBGA = Flip-Chip BGA package
│ └── 6390 = Wi-Fi 6E / Bluetooth 5.2 combo chip
└── QCA = Qualcomm Connectivity/Atheros (Wi-Fi/BT)
PM8550
│ │
│ └── 8550 = Power management IC for SM8550 platform
└── PM = Power Management IC
Product Family Prefixes
Mobile Platforms (Snapdragon)
| Prefix | Category | Examples | Notes | |--------|----------|----------|-------| | SM | Snapdragon Mobile | SM8550, SM8450, SM8350 | Current flagship naming | | SD | Snapdragon | SD888, SD865, SD855 | Legacy flagship naming | | QSD | Snapdragon (original) | QSD8250, QSD8650 | First-gen Snapdragon | | MSM | Mobile Station Modem | MSM8996, MSM8953 | Integrated modem SoCs |
IoT/Embedded Platforms
| Prefix | Category | Examples | Notes | |--------|----------|----------|-------| | QCS | IoT Platform | QCS400, QCS603, QCS610 | Smart speaker, camera, etc. | | QCM | IoT Module | QCM2150, QCM6490 | Complete system modules | | APQ | Application Processor | APQ8064, APQ8084 | No integrated modem | | IPQ | Network Processor | IPQ8074, IPQ6018 | Routers, networking |
RF Front-End
| Prefix | Category | Examples | Notes | |--------|----------|----------|-------| | QM | RF Module | QM42195, QM78207 | Integrated RF front-end | | QPM | Power Module | QPM2630, QPM5677 | PA power modules | | QAT | Antenna Tuner | QAT3516, QAT3555 | Impedance tuning | | QET | Envelope Tracker | QET5100, QET6100 | Power efficiency |
Wireless Connectivity
| Prefix | Category | Examples | Notes | |--------|----------|----------|-------| | QCA | Wi-Fi/Bluetooth | QCA6390, QCA9377, QCA6174 | Atheros heritage | | WCN | Wireless Connectivity | WCN3990, WCN6855 | Combo chips | | MDM | Modem | MDM9206, MDM9650 | Standalone modems | | FSM | Small Cell | FSM9955, FSM9900 | Base station |
Power Management
| Prefix | Category | Examples | Notes | |--------|----------|----------|-------| | PM | PMIC | PM8550, PM8350, PM8150 | Main PMICs | | PMI | Power Management IC | PMI8998, PMI632 | Alternate PMIC series | | SMB | Battery Charger | SMB1360, SMB1350 | Charging ICs |
Audio
| Prefix | Category | Examples | Notes | |--------|----------|----------|-------| | WCD | Audio Codec | WCD9380, WCD9340 | Audio CODEC ICs | | WSA | Smart Amplifier | WSA8810, WSA8815 | Speaker amplifiers |
Package Codes
Package codes appear after a hyphen in the MPN.
| Suffix | Package | Full Name | |--------|---------|-----------| | BGA | BGA | Ball Grid Array | | CSP | CSP | Chip Scale Package | | POP / PoP | Package-on-Package | Stacked package | | QFN | QFN | Quad Flat No-leads | | PQFN | Power QFN | Power-rated QFN | | LFCSP | Lead Frame CSP | Lead Frame Chip Scale | | WLCSP | Wafer Level CSP | Smallest footprint | | FCBGA | Flip-Chip BGA | Flip-chip interconnect |
Package Extraction Logic
The handler extracts package codes from the suffix after the last hyphen:
// Direct match
"BGA" -> "BGA"
"CSP" -> "CSP"
"POP" or "PoP" -> "Package-on-Package"
"QFN" -> "QFN"
"PQFN" -> "Power QFN"
"LFCSP" -> "Lead Frame CSP"
"WLCSP" -> "Wafer Level CSP"
"FCBGA" -> "Flip-Chip BGA"
// Contains check (fallback)
Contains "BGA" -> "BGA"
Contains "CSP" -> "CSP"
Contains "QFN" -> "QFN"
Series Extraction Logic
The handler extracts series by collecting letters and digits before any hyphen:
// Algorithm: collect alphanumerics until hyphen or end of letter+digit pattern
SM8550-AB → SM8550
QCA6390 → QCA6390
PM8550 → PM8550
MDM9650 → MDM9650
The extraction stops when:
- A hyphen is encountered
- Letters and digits have both been found, and a non-alphanumeric appears
Snapdragon Naming Evolution
Modern Naming (2021+)
| Series | Tier | Examples | |--------|------|----------| | SM8xxx | Flagship (8-series) | SM8550 (Gen 2), SM8650 (Gen 3) | | SM7xxx | Premium (7-series) | SM7550, SM7450 | | SM6xxx | Mainstream (6-series) | SM6350, SM6225 | | SM4xxx | Budget (4-series) | SM4350, SM4250 |
Legacy Naming
| Series | Year | Examples | |--------|------|----------| | SD8xx | 2017-2021 | SD888, SD865, SD855, SD845 | | SD7xx | 2018-2021 | SD780, SD765, SD750 | | SD6xx | 2017-2021 | SD695, SD680, SD660 | | SD4xx | 2016-2021 | SD480, SD460, SD450 | | MSM89xx | 2014-2017 | MSM8996, MSM8953 |
Performance Tiers (Suffix Keywords)
| Tier | Keyword | Description | |------|---------|-------------| | Elite | Elite | Highest performance | | Plus | Plus | Enhanced variant | | Pro | Pro | Professional variant | | Standard | (none) | Base variant |
Generation (Suffix Keywords)
| Generation | Keyword | Year | |------------|---------|------| | Gen 1 | Gen1 | 2021 | | Gen 2 | Gen2 | 2022 | | Gen 3 | Gen3 | 2023 |
Supported ComponentTypes
The handler registers all patterns under ComponentType.IC and declares:
getSupportedTypes() → { WIFI_IC_QUALCOMM }
Known Issue: The handler registers patterns for many IC categories (SoCs, modems, PMICs, etc.) but only declares WIFI_IC_QUALCOMM in getSupportedTypes(). Consider adding IC to getSupportedTypes() for completeness.
Replacement Compatibility Logic
The handler implements sophisticated replacement checking via isOfficialReplacement():
Compatible Series Pairs
| Series 1 | Series 2 | Category | |----------|----------|----------| | SD8xx | SD8xx | Snapdragon flagship | | SM8xx | SM8xx | Snapdragon mobile | | QCS4xx | QCS4xx | IoT platform | | QCM2xx | QCM2xx | IoT module | | QM4xx | QM4xx | RF module | | QCA6xx | QCA6xx | Wi-Fi/Bluetooth | | WCN3xx | WCN3xx | Wireless connectivity |
Category-Specific Checks
Snapdragon SoCs (SM, SD, QSD, MSM):
- Generation compatibility (higher gen can replace lower)
- Performance tier compatibility (Elite > Plus > Pro > Standard)
Wireless Modules (QCA, WCN, MDM, FSM):
- Wi-Fi version compatibility (WiFi-6 > WiFi-5 > WiFi-4)
- Bluetooth version compatibility (5.2 > 5.1 > 5.0 > 4.2)
Power Management (PM, PMI, SMB):
- Voltage rating compatibility (within 5% tolerance)
- Current rating compatibility (higher can replace lower)
Example MPNs
Mobile SoCs
| MPN | Description | |-----|-------------| | SM8550-AB | Snapdragon 8 Gen 2 flagship SoC | | SM8450-3-AB | Snapdragon 8 Gen 1 SoC | | SD888 | Snapdragon 888 flagship (legacy naming) | | MSM8996 | Snapdragon 820/821 SoC | | QSD8250 | First-gen Snapdragon |
IoT Platforms
| MPN | Description | |-----|-------------| | QCS603 | Vision Intelligence Platform | | QCM6490 | IoT module with 5G | | APQ8064 | Application processor (no modem) | | IPQ8074 | Networking processor for routers |
RF Front-End
| MPN | Description | |-----|-------------| | QM42195 | RF front-end module | | QPM5677 | Power amplifier module | | QAT3555 | Antenna tuner | | QET6100 | Envelope tracking module |
Wireless Connectivity
| MPN | Description | |-----|-------------| | QCA6390 | Wi-Fi 6E / Bluetooth 5.2 | | QCA6174A-3-FCBGA | Wi-Fi 5 / BT 4.2, FCBGA package | | WCN6855 | Wi-Fi 6E combo chip | | MDM9650 | LTE Cat-9 modem |
Power Management
| MPN | Description | |-----|-------------| | PM8550 | Main PMIC for SM8550 | | PMI8998 | Power management IC | | SMB1360-1-BGA | Battery charging IC, BGA package |
Audio
| MPN | Description | |-----|-------------| | WCD9380 | Audio codec | | WSA8810 | Smart speaker amplifier |
Handler Implementation Notes
Pattern Matching
All patterns are registered under ComponentType.IC:
// Mobile Platforms
"^SM[0-9]{3}.*" // SM8550, SM7450
"^SD[0-9]{3}.*" // SD888, SD865
"^QSD[0-9]{4}.*" // QSD8250
"^MSM[0-9]{4}.*" // MSM8996
// IoT/Embedded
"^QCS[0-9]{3}.*" // QCS603
"^QCM[0-9]{3}.*" // QCM2150
"^APQ[0-9]{4}.*" // APQ8064
"^IPQ[0-9]{4}.*" // IPQ8074
// RF Front-End
"^QM[0-9]{4}.*" // QM42195
"^QPM[0-9]{4}.*" // QPM5677
"^QAT[0-9]{4}.*" // QAT3555
"^QET[0-9]{4}.*" // QET6100
// Wireless
"^QCA[0-9]{4}.*" // QCA6390
"^WCN[0-9]{4}.*" // WCN6855
"^MDM[0-9]{4}.*" // MDM9650
"^FSM[0-9]{4}.*" // FSM9955
// Power Management
"^PM[0-9]{4}.*" // PM8550
"^PMI[0-9]{4}.*" // PMI8998
"^SMB[0-9]{3}.*" // SMB1360
// Audio
"^WCD[0-9]{4}.*" // WCD9380
"^WSA[0-9]{4}.*" // WSA8810
Known Issues
- HashSet in getSupportedTypes(): Uses
HashSetinstead ofSet.of()- should be updated for consistency - IC type not in getSupportedTypes(): Handler registers patterns for
ComponentType.ICbut only declaresWIFI_IC_QUALCOMM- may causematches()to return true but type not in supported set - Commented-out code: Line 54 has commented-out
WIFI_ICtype
Related Files
- Handler:
manufacturers/QualcommHandler.java - Component types:
WIFI_IC_QUALCOMM - Tests: (None currently - handler needs test coverage)
Learnings & Quirks
- PMIC naming convention: PM/PMI part numbers often match the SoC they're designed for (PM8550 pairs with SM8550)
- Atheros heritage: QCA prefix comes from Qualcomm Atheros acquisition (2011) - Wi-Fi/Bluetooth expertise
- Package suffix variability: Many Qualcomm parts are sold without explicit package suffix in MPN
- Generation extraction: The handler extracts generation from 3-digit numeric portions (first digit = generation, second digit = tier)
- Wi-Fi capability keywords: Some MPNs include "ax", "ac", "n" to indicate Wi-Fi version
- BT version in MPN: Bluetooth version may appear as "BT5.2", "BT5.1", etc. in some variants
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