Richtek Technology Manufacturer Skill

MPN Structure

Richtek MPNs follow this general structure:

[PREFIX][SERIES][VARIANT][PACKAGE][SUFFIX]
   |       |        |        |       |
   |       |        |        |       +-- Optional: -TR (Tape/Reel), -E (RoHS)
   |       |        |        +-- Package code (2-3 letters): GQW, GSP, GB
   |       |        +-- Optional variant or voltage code
   |       +-- 4-digit series number (e.g., 8059, 9013)
   +-- RT or RTQ (automotive grade)

Example Decoding

RT8059GQW
||  | |||
||  | ||+-- W = Part of QFN suffix
||  | |+-- Q = QFN package indicator
||  | +-- G = Package code start
||  +-- 8059 = DC-DC converter series
|+-- RT = Richtek prefix
+-- Standard industrial grade

RT9013-33GB
||  | || ||
||  | || |+-- B = SOT-23-5 package suffix
||  | || +-- G = Package code start
||  | |+-- 33 = 3.3V voltage code
||  | +-- Hyphen separates voltage
||  +-- 9013 = LDO series
|+-- RT = Richtek prefix
+-- Standard grade

RTQ2106GQW
|||  | |||
|||  | ||+-- W = Part of QFN suffix
|||  | |+-- Q = QFN indicator
|||  | +-- G = Package start
|||  +-- 2106 = Part number
||+-- Q = Automotive grade (AEC-Q100)
|+-- RT = Richtek
+-- Automotive qualified

---

Package Codes

QFN Packages

Code	Package	Notes
GQW	QFN	Standard QFN
PQW	QFN	QFN variant
GQ	QFN	Compact QFN
GW	QFN	QFN variant

WLCSP Packages

Code	Package	Notes
GSP	WLCSP	Wafer-level chip scale
GS	WLCSP	WLCSP variant

SOT-23 Packages

Code	Package	Notes
GB	SOT-23-5	5-pin SOT-23
GE	SOT-23-6	6-pin SOT-23
GT	SOT-23-3	3-pin SOT-23

DFN Packages

Code	Package	Notes
GD	DFN	Standard DFN
GF	DFN	DFN variant

SOP/SOIC Packages

Code	Package	Notes
SP	SOP-8	8-pin SOP
SA	SOIC-8	8-pin SOIC
SE	SOIC-8	SOIC variant

TSSOP Packages

Code	Package	Notes
TP	TSSOP	Standard TSSOP
TS	TSSOP	TSSOP variant

MSOP Packages

Code	Package	Notes
MS	MSOP	Standard MSOP
MF	MSOP-8	8-pin MSOP

---

Product Lines

RT4xxx - LED Drivers / Backlight Controllers

Series	Description	Application
RT4831	LED Backlight Driver	LCD panel backlighting
RT4801	LED Driver	Display backlighting
RT4xxx	General LED drivers	LED lighting control

RT5xxx - DC-DC Converters

Series	Description	Output
RT5785	Step-down DC-DC	Various
RT5749	Buck converter	Various

RT6xxx - High-Efficiency DC-DC Converters

Series	Description	Efficiency
RT6150	High-efficiency buck	>90%
RT6160	Synchronous buck	High efficiency

RT8xxx - DC-DC Converters / LED Drivers

Subseries	Type	Notes
RT80xx-RT83xx	DC-DC converters	Step-down
RT84xx	LED drivers	Backlight
RT85xx	LED drivers	Display
RT86xx-RT89xx	DC-DC converters	Various

RT9xxx - LDO / Linear Regulators

Series	Description	Features
RT9013	500mA LDO	Ultra-low noise
RT9193	300mA LDO	Low dropout
RT9058	LDO	General purpose
RT945x	Battery chargers	Li-ion/Li-Po
RT946x	Battery chargers	Fast charging

RTQ Series - Automotive Grade

Series	Description	Qualification
RTQxxxx	Automotive versions	AEC-Q100 qualified
RTQ2106	Automotive DC-DC	Extended temp
RTQ6360	Automotive buck	-40C to +125C

---

Handler Implementation Notes

Package Code Extraction

// Richtek package codes are typically 2-3 letters after the part number
// Pattern: RT[Q]?[0-9]{4}[package-letters]...
// Examples: RT8059GQW -> GQW -> QFN
//           RT9013-33GB -> GB -> SOT-23-5

// Handle voltage code in middle (e.g., RT9013-33GB)
// Pattern: RT[0-9]{4}-[0-9]{2}[package]
Pattern voltagePattern = Pattern.compile("^RT[0-9]{4}-[0-9]{2}([A-Z]{2,3})$");

Series Extraction

// RTQ series returns "RTQ"
// Standard RT[4-9]xxx returns "RT4", "RT5", "RT6", "RT8", "RT9"
if (upperMpn.startsWith("RTQ")) {
    return "RTQ";
}
if (upperMpn.matches("^RT[4-9][0-9]{3}.*")) {
    return upperMpn.substring(0, 3);  // RT4, RT5, RT6, RT8, RT9
}

LED Driver vs Voltage Regulator Detection

// LED Drivers: RT4xxx, RT84xx, RT85xx
// Voltage Regulators: RT5xxx, RT6xxx, RT8[0-367-9]xx, RT9xxx

private boolean isLEDDriver(String mpn) {
    return mpn.matches("^RT4[0-9]{3}.*") ||      // RT4xxx
           mpn.matches("^RT8[45][0-9]{2}.*") ||   // RT84xx, RT85xx
           mpn.matches("^RTQ4[0-9]{3}.*") ||      // RTQ4xxx
           mpn.matches("^RTQ8[45][0-9]{2}.*");    // RTQ84xx, RTQ85xx
}

Automotive Grade Detection

// RTQ prefix indicates AEC-Q100 automotive qualification
// Also check for -AEC suffix
public boolean isAutomotiveGrade(String mpn) {
    String upper = mpn.toUpperCase();
    return upper.startsWith("RTQ") || upper.contains("-AEC");
}

Automotive Equivalents

// RTQ6150 is automotive version of RT6150
// Check for equivalent parts with/without Q
private boolean areEquivalentParts(String mpn1, String mpn2) {
    // RTQ6150 <-> RT6150
    if (mpn1.startsWith("RTQ") && mpn2.startsWith("RT") && !mpn2.startsWith("RTQ")) {
        String num1 = mpn1.substring(3, 7);  // 4-digit from RTQxxxx
        String num2 = mpn2.substring(2, 6);  // 4-digit from RTxxxx
        return num1.equals(num2);
    }
}

---

Related Files

• Handler:

  manufacturers/RichtekHandler.java

• Component types:

  IC

  ,

  VOLTAGE_REGULATOR

  ,

  LED_DRIVER

• Test file:

  handlers/RichtekHandlerTest.java

---

Learnings & Edge Cases

• RT84xx/RT85xx are LED drivers, not DC-DC converters like other RT8xxx parts
• RTQ prefix indicates AEC-Q100 automotive qualification - same part number with RTQ vs RT are equivalent except for temperature rating
• Voltage code in MPN: Parts like RT9013-33GB have voltage (33=3.3V) embedded between part number and package
• Battery chargers: RT945x and RT946x are battery charger ICs, classified as voltage regulators
• Package suffix structure: Package codes start with G, P, S, M, T followed by package-specific letters
• Tape and reel suffixes: -TR, -E, -RL, -REEL should be stripped before package extraction

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