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TPS70918DRVR Equivalent & Substitute Parts
Part Overview
The TPS70918DRVR is a linear voltage regulator IC from Texas Instruments designed for power management applications. It delivers a fixed 1.8V output at 150mA with a 6-WSON (2x2) package footprint. The device is actively produced and widely stocked, with 126,400 units available in inventory. The primary reason to identify substitute parts is to accommodate different packaging formats (Cut Tape versus Tape & Reel) or to address supply chain availability while maintaining identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Power Management (PMIC) |
| Output Voltage (Fixed) | 1.8V |
| Output Current | 150mA |
| Input Voltage (Max) | 30V |
| Package / Case | 6-WDFN Exposed Pad |
| Supplier Device Package | 6-WSON (2x2) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40°C ~ 125°C |
| Product Status | Active |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
The TPS70918DRVR has one parametric equivalent substitute: TPS70918DRVT. Both parts share identical electrical specifications and mechanical characteristics. The substitution is valid based on the following criteria:
- Identical output voltage: 1.8V fixed
- Identical output current rating: 150mA
- Identical maximum input voltage: 30V
- Identical package type: 6-WDFN Exposed Pad / 6-WSON (2x2)
- Identical mounting type: Surface Mount
- Identical operating temperature range: -40°C ~ 125°C
- Identical protection features: Over Current, Over Temperature, Reverse Current, Under Voltage Lockout (UVLO)
- Identical control features: Enable
- Identical compliance: ROHS3 Compliant, REACH Unaffected
The only difference between these parts is the packaging format: TPS70918DRVR is supplied in Cut Tape (CT) & Digi-Reel® format, while TPS70918DRVT is supplied in Tape & Reel (TR) format. This distinction affects procurement and assembly processes but does not impact electrical or mechanical performance.
Parameter Comparison
| Parameter | TPS70918DRVR | TPS70918DRVT |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | Power Management (PMIC) | Power Management (PMIC) |
| Output Voltage (Fixed) | 1.8V | 1.8V |
| Output Current | 150mA | 150mA |
| Input Voltage (Max) | 30V | 30V |
| Quiescent Current (Iq) | 2.05 µA | 2.05 µA |
| Supply Current (Max) | 350 µA | 350 µA |
| PSRR | 80dB ~ 52dB (10Hz ~ 1kHz) | 80dB ~ 52dB (10Hz ~ 1kHz) |
| Package / Case | 6-WDFN Exposed Pad | 6-WDFN Exposed Pad |
| Supplier Device Package | 6-WSON (2x2) | 6-WSON (2x2) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range | -40°C ~ 125°C | -40°C ~ 125°C |
| Product Status | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| Packaging Format | Cut Tape (CT) & Digi-Reel® | Tape & Reel (TR) |
| Inventory | 126,400 Pcs | 4,700 Pcs |
Engineering Selection Recommendations
Both TPS70918DRVR and TPS70918DRVT are active products from Texas Instruments with full ROHS3 compliance and REACH unaffected status. Selection between these parts should be based on packaging and supply chain requirements:
- TPS70918DRVR is recommended for applications requiring Cut Tape or Digi-Reel® packaging formats, with significantly higher inventory availability (126,400 units).
- TPS70918DRVT is suitable for high-volume production environments utilizing standard Tape & Reel assembly processes.
Both parts are electrically and mechanically interchangeable and will perform identically in circuit applications. The choice between them does not affect circuit design, PCB layout, or thermal management considerations.
Frequently Asked Questions (FAQ)
Q: Can TPS70918DRVT be used as a direct replacement for TPS70918DRVR?
A: Yes. Both parts are parametric equivalents with identical electrical specifications, output voltage, current rating, package dimensions, and mounting type. The only difference is the packaging format (Cut Tape versus Tape & Reel).
Q: What is the difference between Cut Tape and Tape & Reel packaging?
A: Cut Tape (CT) & Digi-Reel® format supplies individual components on tape that can be cut to length, suitable for smaller orders or mixed component picking. Tape & Reel (TR) format provides components on continuous reels optimized for automated assembly equipment in high-volume production.
Q: Are there any PCB layout or soldering differences between these parts?
A: No. Both parts use the identical 6-WSON (2x2) package with 6-WDFN Exposed Pad configuration. PCB footprints, solder pad dimensions, and thermal management approaches are identical.
Q: Do both parts have the same protection features?
A: Yes. Both TPS70918DRVR and TPS70918DRVT include Over Current, Over Temperature, Reverse Current, and Under Voltage Lockout (UVLO) protection, plus Enable control functionality.
Q: What is the operating temperature range for both parts?
A: Both parts operate across -40°C to 125°C, suitable for industrial and commercial applications.
Q: Are both parts RoHS compliant?
A: Yes. Both parts are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for electronics manufacturing.
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