Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
BQ24312DSGR
Texas Instruments
IC BATT PROTECTION LI-ION 8WSON
11994 Pcs New Original In Stock
Battery Battery Protection IC Lithium Ion 8-WSON (2x2)
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (228 Ratings)
BQ24312DSGR
Product Overview
1259409
DiGi Electronics Part Number
BQ24312DSGR-DGManufacturer
Texas Instruments
BQ24312DSGR
Description
IC BATT PROTECTION LI-ION 8WSONInventory
11994 Pcs New Original In Stock
Battery Battery Protection IC Lithium Ion 8-WSON (2x2)
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
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
BQ24312DSGR Technical Specifications
Category
Power Management (PMIC), Battery Management
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Function
Battery Protection
Battery Chemistry
Lithium Ion
Number of Cells
-
Fault Protection
Over Current, Over Temperature, Over/Under Voltage
Interface
-
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
8-WFDFN Exposed Pad
Supplier Device Package
8-WSON (2x2)
Base Product Number
BQ24312
Datasheet & Documents
HTML Datasheet
BQ24312DSGR-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
BQ24312DSGR-DG
296-BQ24312DSGRTR
296-BQ24312DSGRDKR
296-BQ24312DSGRCT
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
물품이 약속한 시간 안에 안전하게 도착했고, 추적 정보도 상세하게 제공되었어요.
de desembre 02, 2025
DiGi Electronics的物流速度真的很快，幾乎是當日出貨，次日到貨，讓我非常滿意！
de desembre 02, 2025
I feel valued as a customer thanks to DiGi's attentive after-sales service.
de desembre 02, 2025
DiGi Electronics has built a reputation for reliable shipping and excellent customer care.
de desembre 02, 2025
Customer service responded promptly to my inquiries, providing helpful and professional assistance.
de desembre 02, 2025
DiGi Electronics offers excellent customer care that makes shopping a pleasure.
de desembre 02, 2025
Their post-purchase assistance is reliable and professional, enhancing overall customer satisfaction.
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 integrating the BQ24312DSGR into a compact Li-ion battery protection circuit with high-temperature operation?
When integrating the BQ24312DSGR in compact, thermally constrained designs, a key risk is false overtemperature triggering due to inadequate PCB thermal relief or proximity to heat-generating components. Since the BQ24312DSGR monitors junction temperature up to 125°C, ensure at least 2-second thermal time constant isolation from adjacent power FETs or chargers. Use thermal vias under the exposed pad and limit copper pour between the IC and power traces to avoid thermal coupling. Additionally, validate protection thresholds under real-world pulsed load conditions, as rapid temperature transients may challenge the device’s internal thermal sensing accuracy.
How does the BQ24312DSGR compare to the BQ24308DSGR in overvoltage protection response time for Li-ion cells in noisy power environments?
The BQ24312DSGR offers faster overvoltage protection (OVP) response compared to the BQ24308DSGR—typically 150μs vs. 500μs—making it more suitable for electrically noisy environments where transient spikes could risk cell damage. This makes the BQ24312DSGR a better choice in automotive or industrial applications where load dumps or ESD events are common. However, the faster response increases sensitivity to PCB layout noise; therefore, use a tightly routed VSENSE differential pair with guard ring grounding to prevent false triggering. Avoid shared return paths with high-current lines when connecting to the battery sense inputs.
Can the BQ24312DSGR be used as a direct replacement for the BQ24314ADSGT in an existing wearable device design, and what layout adjustments are needed?
The BQ24312DSGR is functionally similar to the BQ24314ADSGT but not a pin-for-pin or threshold-compatible replacement. The BQ24312DSGR has tighter voltage monitoring tolerances but lacks the BQ24314ADSGT’s dedicated nFAULT open-drain delay output, requiring an external timer IC if fault hold time is critical. Additionally, the BQ24312DSGR uses a different default delay timing on overcurrent events (fixed internal timer vs. capacitor-settable on BQ24314ADSGT). To replace safely, modify the protection timing circuit and confirm that the undervoltage lockout (UVLO) threshold (1.8V typ) of the BQ24312DSGR supports your system’s start-up behavior under brown-out conditions.
What are the reliability concerns when using the BQ24312DSGR in a high-cycle-life battery pack with frequent overcurrent events?
Repeated overcurrent events, even within the BQ24312DSGR’s current-limiting threshold, can degrade the accuracy of the integrated sense comparator over time due to thermal stress on the internal reference. The BQ24312DSGR clears faults only on power cycle or battery removal, which in high-cycling applications can lead to unintended system downtime. For improved reliability, pair the BQ24312DSGR with an external circuit breaker or MCU-controlled FET that allows programmable retry logic. Monitor the device’s long-term performance via periodic end-of-line testing of OCP and UVP thresholds, especially in field-deployed systems where mission profiles exceed 500 fault events.
What are the critical PCB layout practices to avoid false triggering of under-voltage protection on the BQ24312DSGR in multi-cell battery packs?
To prevent false under-voltage protection (UVP) triggering with the BQ24312DSGR in multi-cell or high-impedance battery systems, ensure the VSENSE+ and VSENSE- traces are routed differentially and kept shorter than 10mm with a solid ground plane underneath. Avoid routing near switching nodes or inductive loads to minimize coupled noise that could distort the battery voltage reading. Also, add a 100nF ceramic capacitor close to the BQ24312DSGR’s VDD pin and a 1μF capacitor across the battery input to dampen transient spikes. If your battery pack has high ESR, verify that the voltage sag during load steps doesn’t dip below the BQ24312DSGR’s UVP threshold (2.3V typ) momentarily, causing unnecessary shutdowns.
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.
BQ24312DSGR CAD Models
Texas Instruments BQ24312DSGR PCB symbols & footprints
productDetail
