BQ294502DRVR Battery Protection IC Equivalent & Substitute Parts

Part Overview

The BQ294502DRVR is an active battery protection integrated circuit manufactured by Texas Instruments, designed for lithium-ion battery packs with 2 to 3 cells. This Power Management (PMIC) device provides over-voltage fault protection in a 6-WSON (2x2) surface-mount package. The part is currently in active product status with 52,400 units in stock. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, inventory optimization, or packaging format changes while maintaining functional compatibility within the specified electrical and mechanical parameters.

Key Parameters

Parameter	Value
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 Range	-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 BQ294502DRVR are qualified based on the following criteria:

Electrical Compatibility:

Identical function: Battery Protection
Identical battery chemistry: Lithium Ion
Identical cell count range: 2 ~ 3 cells
Identical fault protection type: Over Voltage
Identical operating temperature range: -40°C ~ 110°C (TA)

Mechanical Compatibility:

Identical mounting type: Surface Mount
Identical package / case: 6-WDFN Exposed Pad
Identical supplier device package: 6-WSON (2x2)

Regulatory & Compliance:

ROHS3 Compliant
REACH Unaffected
Active product status

Packaging Format Variations: Substitutes include both Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® packaging formats, which are interchangeable for component procurement purposes.

Moisture Sensitivity Variations: MSL ratings of 1 (Unlimited) and MSL 2 (1 Year) are both acceptable substitutes, as MSL 2 represents a more conservative moisture handling requirement and is compatible with standard assembly processes.

Parameter Comparison

Part Number	Manufacturer	Base Product	Function	Battery Chemistry	Cell Count	Fault Protection	Operating Temp	Package	Packaging Format	MSL	Inventory (Pcs)	Product Status
BQ294502DRVR	Texas Instruments	BQ294502	Battery Protection	Lithium Ion	2 ~ 3	Over Voltage	-40°C ~ 110°C	6-WDFN Exposed Pad	Tape & Reel (TR)	1 (Unlimited)	52,400	Active
BQ294502DRVT	Texas Instruments	BQ294502	Battery Protection	Lithium Ion	2 ~ 3	Over Voltage	-40°C ~ 110°C	6-WDFN Exposed Pad	Tape & Reel (TR)	1 (Unlimited)	1,735	Active
BQ294504DRVR	Texas Instruments	BQ294504	Battery Protection	Lithium Ion	2 ~ 3	Over Voltage	-40°C ~ 110°C	6-WDFN Exposed Pad	Tape & Reel (TR)	1 (Unlimited)	3,793	Active
BQ294504DRVT	Texas Instruments	BQ294504	Battery Protection	Lithium Ion	2 ~ 3	Over Voltage	-40°C ~ 110°C	6-WDFN Exposed Pad	Tape & Reel (TR)	1 (Unlimited)	1,942	Active
BQ294512DRVR	Texas Instruments	BQ294512	Battery Protection	Lithium Ion	2 ~ 3	Over Voltage	-40°C ~ 110°C	6-WDFN Exposed Pad	Tape & Reel (TR)	2 (1 Year)	71,300	Active
BQ294512DRVT	Texas Instruments	BQ294512	Battery Protection	Lithium Ion	2 ~ 3	Over Voltage	-40°C ~ 110°C	6-WDFN Exposed Pad	Tape & Reel (TR)	2 (1 Year)	1,317	Active
BQ294522DRVR	Texas Instruments	BQ294522	Battery Protection	Lithium Ion	2 ~ 3	Over Voltage	-40°C ~ 110°C	6-WDFN Exposed Pad	Tape & Reel (TR)	2 (1 Year)	59,300	Active
BQ294522DRVT	Texas Instruments	BQ294522	Battery Protection	Lithium Ion	2 ~ 3	Over Voltage	-40°C ~ 110°C	6-WDFN Exposed Pad	Tape & Reel (TR)	2 (1 Year)	1,733	Active
BQ294524DRVT	Texas Instruments	BQ294524	Battery Protection	Lithium Ion	2 ~ 3	Over Voltage	-40°C ~ 110°C	6-WDFN Exposed Pad	Tape & Reel (TR)	1 (Unlimited)	2,351	Active
BQ294532DRVR	Texas Instruments	BQ294532	Battery Protection	Lithium Ion	2 ~ 3	Over Voltage	-40°C ~ 110°C	6-WDFN Exposed Pad	Cut Tape (CT) & Digi-Reel®	2 (1 Year)	16,137	Active
BQ294532DRVT	Texas Instruments	BQ294532	Battery Protection	Lithium Ion	2 ~ 3	Over Voltage	-40°C ~ 110°C	6-WDFN Exposed Pad	Tape & Reel (TR)	1 (Unlimited)	4,400	Active

Engineering Selection Recommendations

All substitute parts listed maintain active product status with Texas Instruments and comply with ROHS3 and REACH requirements. Selection among equivalent parts should be based on:

Inventory Availability: BQ294512DRVR offers the highest inventory level (71,300 units), followed by BQ294522DRVR (59,300 units) and BQ294532DRVR (16,137 units), providing supply chain flexibility for high-volume applications.

Moisture Sensitivity Considerations: Parts with MSL 1 (Unlimited) rating—BQ294502DRVR, BQ294502DRVT, BQ294504DRVR, BQ294504DRVT, BQ294524DRVT, and BQ294532DRVT—are suitable for applications with extended storage or high-humidity environments. Parts with MSL 2 (1 Year) rating require standard moisture control during storage and assembly.

Packaging Format: BQ294532DRVR is available in Cut Tape (CT) & Digi-Reel® format, while all other substitutes are supplied in Tape & Reel (TR) format. Both formats are compatible with standard pick-and-place assembly equipment.

Base Product Variants: The BQ294502, BQ294504, BQ294512, BQ294522, BQ294524, and BQ294532 base products represent different device variants within the Texas Instruments battery protection IC family. All variants maintain identical electrical specifications for the parameters listed and are functionally interchangeable within the defined scope.

Frequently Asked Questions (FAQ)

Q: Can BQ294512DRVR be used as a direct replacement for BQ294502DRVR?

A: Yes. Both parts share identical electrical parameters: lithium-ion battery protection for 2–3 cells, over-voltage fault protection, -40°C to 110°C operating temperature range, and 6-WDFN Exposed Pad package in 6-WSON (2x2) configuration. The primary difference is MSL rating (BQ294512DRVR is MSL 2 versus BQ294502DRVR MSL 1) and base product variant. MSL 2 is compatible with standard assembly processes.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® packaging?

A: Both are surface-mount packaging formats suitable for automated assembly. Tape & Reel (TR) is the standard continuous reel format for high-volume production. Cut Tape (CT) & Digi-Reel® provides flexibility for lower-volume orders or mixed-component procurement. The component itself and electrical performance are identical.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed—BQ294502DRVR, BQ294502DRVT, BQ294504DRVR, BQ294504DRVT, BQ294512DRVR, BQ294512DRVT, BQ294522DRVR, BQ294522DRVT, BQ294524DRVT, BQ294532DRVR, and BQ294532DRVT—are ROHS3 compliant and REACH unaffected.

Q: What does MSL 1 (Unlimited) versus MSL 2 (1 Year) mean for component handling?

A: MSL (Moisture Sensitivity Level) indicates moisture absorption risk during storage. MSL 1 (Unlimited) parts have no time restriction on shelf storage under standard conditions. MSL 2 (1 Year) parts must be used within one year of the manufacturing date under controlled moisture conditions. Both ratings are compatible with standard assembly processes when proper handling procedures are followed.

Q: Can I substitute BQ294532DRVR (Cut Tape & Digi-Reel®) for BQ294502DRVR (Tape & Reel)?

A: Yes. Both parts are electrically and mechanically identical. The packaging format difference (Cut Tape & Digi-Reel® versus Tape & Reel) does not affect component performance or assembly compatibility. Format selection depends on procurement volume and assembly line requirements.

Q: Are there any functional differences between the BQ294502, BQ294504, BQ294512, BQ294522, BQ294524, and BQ294532 base products?

A: Within the scope of parameters provided, all base product variants maintain identical specifications for battery protection function, lithium-ion chemistry, 2–3 cell support, over-voltage fault protection, operating temperature range, and package configuration. Substitution is valid across all variants based on the electrical and mechanical parameters defined.

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