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BQ24125RHLR
Texas Instruments
IC BATT CHG LI-ION 1-3CEL 20VQFN
3535 Pcs New Original In Stock
Charger IC Lithium Ion/Polymer 20-VQFN (3.5x4.5)
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (475 Ratings)
BQ24125RHLR
Product Overview
1258420
DiGi Electronics Part Number
BQ24125RHLR-DGManufacturer
Texas Instruments
BQ24125RHLR
Description
IC BATT CHG LI-ION 1-3CEL 20VQFNInventory
3535 Pcs New Original In Stock
Charger IC Lithium Ion/Polymer 20-VQFN (3.5x4.5)
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
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BQ24125RHLR Technical Specifications
Category
Power Management (PMIC), Battery Chargers
Packaging
Cut Tape (CT) & Digi-Reel®
Series
bqSWITCHER™
Product Status
Active
Battery Chemistry
Lithium Ion/Polymer
Number of Cells
1 ~ 3
Current - Charging
Constant - Programmable
Programmable Features
Current, Timer
Fault Protection
Over Temperature
Charge Current - Max
2A
Battery Pack Voltage
8.4V
Voltage - Supply (Max)
16V
Interface
-
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Package / Case
20-VFQFN Exposed Pad
Supplier Device Package
20-VQFN (3.5x4.5)
Base Product Number
BQ24125
Datasheet & Documents
HTML Datasheet
BQ24125RHLR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
2 (1 Year)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
-BQ24125RHLR-NDR
-296-22881-1-DG
-296-22881-1-NDR
296-22881-6-NDR
-BQ24125RHLRG4
296-22881-2-NDR
TEXTISBQ24125RHLR
2156-BQ24125RHLR
296-22881-1
-296-22881-1
-BQ24125RHLRG4-NDR
296-22881-2
296-22881-1-NDR
296-22881-6
Standard Package
3,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
J’apprécie leur sérieux et la qualité durable de leurs produits.
de desembre 02, 2025
トラブル時の対応が素早く、いつも助かっています。物流とアフターサービスが抜群です。
de desembre 02, 2025
Logistics were expertly managed, ensuring my order was shipped rapidly and securely.
de desembre 02, 2025
Their after-sales support continues to impress me every time.
de desembre 02, 2025
Shopping at DiGi Electronics is worry-free thanks to their quick shipment and prompt support.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the BQ24125RHLR in a high-temperature industrial environment near its 85°C operating limit?
When designing the BQ24125RHLR into high-temperature industrial applications near its 85°C TA limit, thermal runaway due to inadequate PCB heat dissipation is a key risk. The BQ24125RHLR includes over-temperature protection, but repeated triggering can disrupt charging cycles. To mitigate this, ensure the exposed pad is properly soldered to a sufficient copper pour with thermal vias to inner layers. Additionally, derate the maximum charge current—especially above 70°C—to account for reduced thermal headroom and avoid prolonged high-input-voltage operation that increases internal power dissipation.
How does the BQ24125RHLR compare to the BQ24123RHLT in terms of charge current programming flexibility and system compatibility?
The BQ24125RHLR offers programmable constant charge current up to 2A via external resistors, while the BQ24123RHLT is fixed at 1.5A, making the BQ24125RHLR more suitable for higher-capacity battery stacks needing faster charging. However, the BQ24123RHLT integrates slightly lower quiescent current, which may benefit low-power standby systems. When replacing the BQ24123RHLT with the BQ24125RHLR, verify input voltage compatibility—both support up to 16V—but update charge current programming resistors and ensure the system can handle increased thermal load during fast charging.
What are the critical layout considerations for minimizing EMI when integrating the BQ24125RHLR in a noise-sensitive portable medical device?
When integrating the BQ24125RHLR into noise-sensitive applications like portable medical devices, EMI can interfere with analog front-ends or wireless communication. Key layout practices include minimizing switching loop area with tight placement of input capacitors close to the VIN and PGND pins, using a solid ground plane under the BQ24125RHLR’s exposed pad, and shielding sensitive traces. Avoid routing high-speed or analog signals underneath the BQ24125RHLR. Use low-ESR ceramic capacitors on all supply pins to dampen high-frequency transients and reduce conducted emissions.
Can the BQ24125RHLR safely charge a 3S lithium-ion battery pack with a 12.6V full-charge voltage from a 12V solar input under varying light conditions?
The BQ24125RHLR can support charging a 3S Li-ion pack (12.6V) only if the input source exceeds the battery voltage by sufficient headroom for its buck-boost or buck regulation—whichever topology is implemented. However, the BQ24125RHLR is a buck charger with a 16V max input, not boost-capable. A 12V nominal solar panel may drop below 12.6V under low irradiance, preventing full charging. Designers must either use a higher-voltage solar array (e.g., 15-18V open-circuit) or consider a hybrid topology IC. Also, ensure MPPT regulation upstream prevents input collapse under load when using the BQ24125RHLR.
What reliability risks arise when substituting the BQ24125RHLR for the BQ24125RHLT, and how can they be mitigated in high-volume production?
The BQ24125RHLR and BQ24125RHLT are functionally identical but differ in packaging: RHLR is tape-and-reel (Digi-Reel®), while RHLT is cut tape. In high-volume production, the BQ24125RHLR is optimized for automated pick-and-place and avoids cut-tape feeding issues like component misalignment or static damage. However, storing the BQ24125RHLR outside humidity-controlled conditions risks MSL2 moisture absorption. Mitigate by baking if out of dry pack beyond 1 year, using first-in-first-out inventory, and strictly following JEDEC reflow profiles to prevent popcorning in the 20-VQFN package.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
BQ24125RHLR CAD Models
Texas Instruments BQ24125RHLR PCB symbols & footprints
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