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BQ24313DSGT
Texas Instruments
IC BATT PROTECTION LI-ION 8WSON
5060 Pcs New Original In Stock
Battery Battery Protection IC Lithium Ion 8-WSON (2x2)
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5.0 / 5.0
- (77 Ratings)
BQ24313DSGT
Product Overview
1268630
DiGi Electronics Part Number
BQ24313DSGT-DGManufacturer
Texas Instruments
BQ24313DSGT
Description
IC BATT PROTECTION LI-ION 8WSONInventory
5060 Pcs New Original In Stock
Battery Battery Protection IC Lithium Ion 8-WSON (2x2)
Quantity
Minimum 1
Minimum 1
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BQ24313DSGT Technical Specifications
Category
Power Management (PMIC), Battery Management
Packaging
Cut Tape (CT) & Digi-Reel®
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
BQ24313
Datasheet & Documents
HTML Datasheet
BQ24313DSGT-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
296-23933-6
296-23933-1-NDR
296-23933-2-NDR
-296-23933-1-NDR
-BQ24313DSGT-NDR
TEXTISBQ24313DSGT
296-23933-6-NDR
296-23933-2
296-23933-1
-296-23933-1-DG
2156-BQ24313DSGT
Standard Package
250
Alternative Parts
PART 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
Ich bin begeistert von der schnellen Bearbeitungszeit bei DiGi Electronics.
de desembre 02, 2025
DiGi Electronics makes sure every customer feels valued with excellent after-sale service.
de desembre 02, 2025
Reliability is their hallmark—products keep performing well over time.
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Frequently Asked Questions (FAQ)
Can the BQ24313DSGT be safely used as a drop-in replacement for the BQ29700DSER in a single-cell Li-ion battery protection circuit without redesigning the PCB layout?
No, the BQ24313DSGT is not a direct drop-in replacement for the BQ29700DSER due to critical differences in pinout, package size, and protection architecture. The BQ29700DSER uses a 6-WSON (2x2) package with a different pin configuration, while the BQ24313DSGT is an 8-WSON (2x2) device with additional pins for enhanced fault detection and control. Additionally, the BQ24313DSGT integrates charger-side protection (including input overvoltage and overcurrent), whereas the BQ29700DSER is a standalone battery-side protector. A PCB redesign is required to accommodate the extra pins and ensure proper signal routing, especially for the CHG and DIS outputs. Attempting a direct swap without layout changes risks incorrect protection triggering or permanent damage to the IC or battery pack.
What are the key reliability risks when using the BQ24313DSGT in high-vibration industrial environments, and how can they be mitigated?
The BQ24313DSGT's 8-WSON (2x2) package with an exposed thermal pad is susceptible to solder joint fatigue under sustained high vibration, which can lead to intermittent connections or thermal runaway due to poor heat dissipation. To mitigate this, use a robust solder paste (e.g., SAC305 with no-clean flux), ensure full wetting of the exposed pad with multiple via-in-pad connections to the ground plane, and apply conformal coating to reduce mechanical stress on joints. Additionally, perform thermal cycling and vibration testing per IEC 60068-2-6 standards during qualification. Avoid placing the IC near high-stress flex points on the PCB, and consider underfill if the application exceeds 5G RMS vibration levels.
How does the BQ24313DSGT compare to the NCP345MFCT1G from onsemi in terms of overvoltage response time and false triggering in noisy automotive environments?
The BQ24313DSGT offers superior noise immunity and faster, more predictable overvoltage response (typically < 1 µs) compared to the NCP345MFCT1G, which has a slower reaction time (~5 µs) and is more prone to false triggers from voltage transients common in automotive 12V systems. The BQ24313DSGT includes built-in deglitching and hysteresis on its OV/UV thresholds, making it better suited for harsh EMI environments. However, the NCP345MFCT1G has a lower quiescent current, which may be preferable in ultra-low-power sleep modes. For automotive applications with frequent load dumps or alternator spikes, the BQ24313DSGT’s tighter threshold accuracy (±1.5%) and integrated charger fault detection provide a more reliable protection solution despite its slightly higher cost.
Can the BQ24313DSGT protect a 2S Li-ion battery pack, or is it strictly limited to single-cell applications despite not specifying a cell count in the datasheet?
The BQ24313DSGT is strictly designed for single-cell (1S) Li-ion protection and cannot be used for 2S configurations. Although the datasheet does not explicitly state '1S only,' the internal reference voltages, comparator thresholds, and charge/discharge control logic are calibrated for a single cell (2.5V to 4.35V range). Applying it to a 2S pack would expose the IC to voltages up to 8.7V, far exceeding its maximum rating of 6.5V on the VIN pin, risking immediate damage. For 2S protection, consider multi-cell protectors like the BQ77915 or TLV6013-based solutions. Attempting to cascade multiple BQ24313DSGT units introduces timing skew and coordination issues, making it an unreliable and non-compliant approach.
What design precautions are needed when placing the BQ24313DSGT near a high-frequency DC-DC converter to avoid false overcurrent tripping due to switching noise?
To prevent false overcurrent triggering in the BQ24313DSGT from high-frequency switching noise (e.g., from a 2 MHz buck converter), maintain at least 5 mm clearance between the IC and the converter’s inductor and switching nodes. Use a ground plane beneath the BQ24313DSGT but isolate it from noisy return paths with a moat or split plane if necessary. Add a low-ESR ceramic capacitor (100 nF to 1 µF, X7R) directly across the VIN and GND pins of the BQ24313DSGT, placed within 2 mm of the package. Route the sense lines (if used externally) as differential pairs with minimal loop area and avoid parallel routing with high di/dt traces. These measures reduce coupled noise that could exceed the IC’s internal current sense threshold and cause unintended disconnection of the load or charger.
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.
BQ24313DSGT CAD Models
Texas Instruments BQ24313DSGT PCB symbols & footprints
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