Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
BQ25898DYFFR
Texas Instruments
IC BATT CHG LI-ION 1CELL 42DSBGA
16912 Pcs New Original In Stock
Charger IC Lithium Ion/Polymer 42-DSBGA (2.8x2.5)
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (232 Ratings)
BQ25898DYFFR
Product Overview
1258017
DiGi Electronics Part Number
BQ25898DYFFR-DGManufacturer
Texas Instruments
BQ25898DYFFR
Description
IC BATT CHG LI-ION 1CELL 42DSBGAInventory
16912 Pcs New Original In Stock
Charger IC Lithium Ion/Polymer 42-DSBGA (2.8x2.5)
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
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
BQ25898DYFFR Technical Specifications
Category
Power Management (PMIC), Battery Chargers
Packaging
-
Series
MaxCharge™
Product Status
Active
Battery Chemistry
Lithium Ion/Polymer
Number of Cells
1
Current - Charging
-
Programmable Features
-
Fault Protection
Over Current, Over Temperature
Charge Current - Max
4A
Battery Pack Voltage
-
Voltage - Supply (Max)
14V
Interface
I2C, USB
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Package / Case
42-UFBGA, DSBGA
Supplier Device Package
42-DSBGA (2.8x2.5)
Base Product Number
BQ25898
Datasheet & Documents
Manufacturer Product Page
BQ25898DYFFR Specifications
HTML Datasheet
BQ25898DYFFR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
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
DiGi Electronics est une valeur sûre pour des prix accessibles et un emballage écologique.
de desembre 02, 2025
Der After-Sales-Support war schnell und sehr freundlich. Ich kann diesen Service nur loben.
de desembre 02, 2025
Support staff was attentive and handled my concerns professionally.
de desembre 02, 2025
The diversity in offerings ensures that DiGi Electronics can cater to both small-scale and large-scale needs.
de desembre 02, 2025
I've been impressed with how quickly DiGi Electronics processes and ships orders, plus the products are built to last even with heavy usage.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
What are the key design risks when replacing the BQ25898DYFFR with the RT9467GQW in a compact wearable device, and how can I mitigate them?
The BQ25898DYFFR and RT9467GQW both support 4A charging and I2C control, but the RT9467GQW uses a larger 40-WLCSP package (2.4x2.8mm) compared to the BQ25898DYFFR’s ultra-compact 42-DSBGA (2.8x2.5mm), which may complicate layout in space-constrained wearables. Additionally, the RT9467GQW lacks the BQ25898DYFFR’s integrated input current optimizer (ICO), which dynamically adjusts input current based on adapter capability—critical when using low-cost or variable USB power sources. To mitigate risk, verify PCB real estate compatibility, re-evaluate input current sensing circuitry, and implement firmware-based current limiting if ICO functionality is required. Always validate thermal performance under worst-case charging conditions due to differing thermal pad designs.
Can the BQ25898DYFFR safely handle intermittent high-power USB-PD input sources without damaging downstream components?
Yes, the BQ25898DYFFR is designed to manage variable input sources up to 14V, including USB Power Delivery (PD) adapters, thanks to its wide input voltage range and integrated overvoltage protection. However, its internal FETs and control loop assume stable input negotiation; frequent plug/unplug events or poorly regulated PD contracts can cause transient voltage spikes. To ensure reliability, add a 10µF ceramic capacitor close to the IN pin and consider an external TVS diode rated for 15V clamping if using non-certified chargers. Also, leverage the I2C interface to monitor VBUS voltage in real time and throttle charge current proactively during unstable input conditions.
How does the BQ25898DYFFR’s lack of battery temperature monitoring affect safety in consumer IoT devices, and what external circuitry is needed to comply with IEC 62133?
The BQ25898DYFFR does not include an internal NTC thermistor input, so battery temperature monitoring must be implemented externally to meet IEC 62133 safety requirements. You must add a discrete NTC thermistor in the battery pack and connect it to a host MCU’s ADC, then use the MCU to disable charging via the BQ25898DYFFR’s CE (Charge Enable) pin or I2C commands when temperature thresholds are exceeded. This introduces firmware dependency and increases BOM complexity. For robust compliance, implement dual-layer protection: hardware-based cutoff using a comparator circuit as a fail-safe, and software-based monitoring with periodic self-tests to detect sensor faults.
Is it safe to operate the BQ25898DYFFR at its maximum 4A charge current in a sealed enclosure with limited airflow, and what thermal derating should be applied?
Operating the BQ25898DYFFR at 4A continuously in a sealed enclosure poses significant thermal risk due to power dissipation in the DSBGA package. Even with MSL 1 rating, sustained junction temperatures above 100°C can reduce long-term reliability. TI’s thermal models show that at 4A with a 3.7V battery, power loss can exceed 1.2W, requiring careful thermal via placement under the package and a copper pour on the top layer. In enclosed designs, derate charge current by 25–30% (to ~2.8–3A) unless you can guarantee ambient temperature stays below 50°C and provide adequate thermal relief. Use the I2C interface to monitor die temperature and implement dynamic current scaling based on real-time thermal feedback.
What are the critical differences between the BQ25898DYFFR and its alternate part BQ25898YFFR, and can they be used interchangeably in a high-volume production design?
The BQ25898DYFFR and BQ25898YFFR are functionally identical in electrical performance and pinout, but they differ in packaging: the DYFFR uses a 42-DSBGA with a 0.4mm ball pitch, while the YFFR variant may refer to a different reel or tape configuration or minor assembly revision. However, the DYFFR is specified with tighter placement tolerances for high-density PCBs. Interchangeability is generally acceptable, but you must verify solder paste stencil design and reflow profile compatibility, especially since both are MSL 1. For high-volume production, stick to one part number to avoid line-change validation delays. Always cross-check the latest TI errata and confirm moisture sensitivity handling—though both are MSL 1, assembly line protocols should still treat them as moisture-sensitive until proven otherwise.
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.
BQ25898DYFFR CAD Models
Texas Instruments BQ25898DYFFR PCB symbols & footprints
productDetail
