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BQ294533DRVR Equivalent & Substitute Parts
Part Overview
The BQ294533DRVR is a Battery Protection IC for Lithium Ion applications, manufactured by Texas Instruments. This active product provides over-voltage fault protection for 2 to 3-cell lithium ion battery packs in a 6-WSON (2x2) surface mount package. Substitute parts are identified based on matching electrical function, battery chemistry compatibility, cell count range, fault protection capability, and identical package specifications.
Substiute Parts
Key Parameters
| Parameter | BQ294533DRVR |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Power Management (PMIC) |
| Function | Battery Protection |
| Battery Chemistry | Lithium Ion |
| Number of Cells | 2 ~ 3 |
| Fault Protection | Over Voltage |
| Operating Temperature | -40°C ~ 110°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 6-WDFN Exposed Pad |
| Supplier Device Package | 6-WSON (2x2) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitute parts for the BQ294533DRVR are qualified based on the following criteria:
Critical Matching Parameters:
- Manufacturer: Texas Instruments
- Function: Battery Protection
- Battery Chemistry: Lithium Ion
- Number of Cells: 2 ~ 3
- Fault Protection: Over Voltage
- Operating Temperature: -40°C ~ 110°C (TA)
- Mounting Type: Surface Mount
- Package / Case: 6-WDFN Exposed Pad
- Supplier Device Package: 6-WSON (2x2)
- RoHS Status: ROHS3 Compliant
- REACH Status: REACH Unaffected
All substitute parts listed maintain identical electrical function, thermal operating range, package footprint, and regulatory compliance. Variations in Moisture Sensitivity Level (MSL) and packaging format (Tape & Reel vs. Cut Tape) do not affect functional equivalence.
Parameter Comparison
| Part Number | Base Product | Function | Battery Chemistry | Cell Count | Fault Protection | Operating Temp | Package | MSL | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|
| BQ294533DRVR | BQ294533 | Battery Protection | Lithium Ion | 2 ~ 3 | Over Voltage | -40°C ~ 110°C | 6-WSON (2x2) | 1 (Unlimited) | 20152 |
| BQ294502DRVR | BQ294502 | Battery Protection | Lithium Ion | 2 ~ 3 | Over Voltage | -40°C ~ 110°C | 6-WSON (2x2) | 1 (Unlimited) | 52400 |
| BQ294502DRVT | BQ294502 | Battery Protection | Lithium Ion | 2 ~ 3 | Over Voltage | -40°C ~ 110°C | 6-WSON (2x2) | 1 (Unlimited) | 1735 |
| BQ294504DRVR | BQ294504 | Battery Protection | Lithium Ion | 2 ~ 3 | Over Voltage | -40°C ~ 110°C | 6-WSON (2x2) | 1 (Unlimited) | 3793 |
| BQ294504DRVT | BQ294504 | Battery Protection | Lithium Ion | 2 ~ 3 | Over Voltage | -40°C ~ 110°C | 6-WSON (2x2) | 1 (Unlimited) | 1942 |
| BQ294512DRVR | BQ294512 | Battery Protection | Lithium Ion | 2 ~ 3 | Over Voltage | -40°C ~ 110°C | 6-WSON (2x2) | 2 (1 Year) | 71300 |
| BQ294512DRVT | BQ294512 | Battery Protection | Lithium Ion | 2 ~ 3 | Over Voltage | -40°C ~ 110°C | 6-WSON (2x2) | 2 (1 Year) | 1317 |
| BQ294522DRVR | BQ294522 | Battery Protection | Lithium Ion | 2 ~ 3 | Over Voltage | -40°C ~ 110°C | 6-WSON (2x2) | 2 (1 Year) | 59300 |
| BQ294522DRVT | BQ294522 | Battery Protection | Lithium Ion | 2 ~ 3 | Over Voltage | -40°C ~ 110°C | 6-WSON (2x2) | 2 (1 Year) | 1733 |
| BQ294524DRVT | BQ294524 | Battery Protection | Lithium Ion | 2 ~ 3 | Over Voltage | -40°C ~ 110°C | 6-WSON (2x2) | 1 (Unlimited) | 2351 |
| BQ294532DRVR | BQ294532 | Battery Protection | Lithium Ion | 2 ~ 3 | Over Voltage | -40°C ~ 110°C | 6-WSON (2x2) | 2 (1 Year) | 16137 |
Engineering Selection Recommendations
All listed substitute parts maintain active product status and full ROHS3 compliance with REACH unaffected designation. Selection between BQ294533DRVR and substitute parts should be based on:
Moisture Sensitivity Level (MSL) Considerations: Parts with MSL 1 (Unlimited) include BQ294533DRVR, BQ294502DRVR, BQ294502DRVT, BQ294504DRVR, BQ294504DRVT, and BQ294524DRVT. These parts have no shelf-life restrictions for moisture exposure.
Parts with MSL 2 (1 Year) include BQ294512DRVR, BQ294512DRVT, BQ294522DRVR, BQ294522DRVT, and BQ294532DRVR. These parts require controlled storage conditions with a one-year shelf life from the date of manufacture.
Packaging Format: BQ294533DRVR is supplied in Tape & Reel (TR) format. BQ294532DRVR is supplied in Cut Tape (CT) & Digi-Reel® format. All other substitutes are supplied in Tape & Reel (TR) format.
Inventory Availability: BQ294512DRVR offers the highest inventory level at 71,300 pieces. BQ294522DRVR provides 59,300 pieces. BQ294502DRVR provides 52,400 pieces. Selection based on supply chain requirements and lead time considerations is appropriate.
Frequently Asked Questions (FAQ)
Q: Can BQ294512DRVR be used as a direct replacement for BQ294533DRVR?
A: Yes. Both parts are functionally equivalent battery protection ICs for 2 to 3-cell lithium ion applications with identical operating temperature range, package footprint, and fault protection capability. The primary difference is Moisture Sensitivity Level: BQ294533DRVR has MSL 1 (Unlimited), while BQ294512DRVR has MSL 2 (1 Year). This affects storage and handling requirements but not electrical function.
Q: What is the significance of the DRVR versus DRVT suffix?
A: The suffix indicates packaging format. DRVR denotes Tape & Reel (TR) packaging, while DRVT denotes Cut Tape (CT) or alternative reel format. Both formats contain identical die and electrical specifications. Selection depends on assembly equipment compatibility and volume requirements.
Q: Are all substitute parts in the same 6-WSON (2x2) package?
A: Yes. All listed substitute parts use the 6-WDFN Exposed Pad package with 6-WSON (2x2) supplier device package specification. This ensures identical PCB footprint and reflow soldering compatibility.
Q: What does MSL 1 (Unlimited) mean compared to MSL 2 (1 Year)?
A: MSL 1 (Unlimited) indicates the part has no shelf-life restriction due to moisture absorption. MSL 2 (1 Year) requires the part to be used within one year of the manufacturing date if stored in standard conditions. Parts with MSL 2 must be baked before reflow soldering if the shelf-life has expired or storage conditions were not controlled.
Q: Can I substitute BQ294502DRVR for BQ294533DRVR in a production design?
A: Yes. Both parts meet identical electrical and mechanical specifications for 2 to 3-cell lithium ion battery protection with over-voltage fault detection. The base product numbers differ (BQ294502 vs. BQ294533), but functional equivalence is maintained across all critical parameters including operating temperature, package, and protection function.
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