Mobile Phone IC – BQ24196 Original
Product Specification Table
| Specification Category | Details |
|---|---|
| Product Name | Mobile Phone IC – BQ24196 Original |
| IC Model Number | BQ24196 |
| IC Category | Battery Charger IC / Power Management IC |
| Manufacturer | Texas Instruments |
| Application Segment | Smartphones, tablets, power banks, and portable electronic devices |
| Primary Function | Single-cell Li-ion / Li-polymer battery charging and system power path management |
| Supported Battery Type | Single-cell Li-ion / Li-polymer rechargeable batteries |
| Usage Type | Replacement IC for mobile phone motherboard repair |
| Condition | Original (brand-new, unused, factory-grade component) |
| Mounting Technology | Surface Mount Device (SMD) |
| Package Type | QFN / VQFN (lead-less package) |
| Package Profile | Low-profile, compact design optimized for smartphone PCBs |
| Pin Configuration | Fine-pitch multi-pin configuration |
| Pin Count | Typically 24-pin (package variant dependent) |
| Package Material | Epoxy-molded compound with exposed thermal pad |
| Input Power Source | USB, wall adapter, or charging port input |
| Input Voltage Range | Approx. 4.5 V to 17 V |
| Maximum Charge Current | Up to ~4.5 A (configurable via external resistors and I²C control) |
| Charging Architecture | High-efficiency switch-mode charger with integrated power path |
| Charging Modes | Pre-charge, constant current (CC), constant voltage (CV), termination |
| Power Path Management | Yes – supports system operation while charging |
| Battery Regulation Voltage | Typically 4.2 V (configurable for battery chemistry) |
| Charge Efficiency | High efficiency to minimize heat generation |
| Control Interface | I²C serial communication interface |
| System Integration | Works alongside application processor and PMIC |
| Thermal Regulation | Automatic thermal regulation to limit junction temperature |
| Over-Voltage Protection | Integrated input and battery over-voltage protection |
| Over-Current Protection | Integrated charging and input current protection |
| Short-Circuit Protection | Built-in protection mechanisms |
| Battery Temperature Monitoring | Supports external NTC thermistor |
| Safety Timers | Integrated charge safety timers |
| USB Compliance Support | Supports USB BC1.2 and adapter detection |
| ESD Protection | On-chip ESD protection suitable for handheld electronics |
| Operating Temperature Range | –40 °C to +85 °C |
| Storage Temperature Range | –65 °C to +150 °C |
| Quiescent Current | Ultra-low quiescent current in standby mode |
| Power Dissipation | Optimized for smartphone thermal limits |
| Reflow Soldering Method | Hot-air station or IR reflow station |
| Recommended Solder Alloy | Lead-free solder (SAC305 or equivalent) |
| Flux Compatibility | No-clean flux, RMA flux |
| Reballing Requirement | Not applicable (QFN package, no solder balls) |
| Repair Level | Intermediate to advanced chip-level repair |
| Typical Failure Symptoms | No charging, slow charging, overheating, phone not powering on |
| Replacement Requirement | Exact model match (BQ24196 only) |
| Original IC Identification | Clear laser marking, uniform font, clean package edges |
| Quality Grade | OEM / original quality |
| Packaging for Sale | Anti-static ESD-safe tape or tray |
| Unit Quantity | Sold per piece |
| Country of Manufacture | Semiconductor fabrication facilities in Asia / Americas |
| Compliance | RoHS compliant (lead-free manufacturing) |
| Warranty | Seller-dependent (manufacturing defect only) |
| Target Users | Mobile repair technicians and service centers |
| Skill Level Required | Intermediate |
| Installation Tools Required | Hot-air station, microscope, flux, precision tweezers |
| Post-Installation Testing | Charging current test, voltage monitoring, thermal inspection |
| Shelf Life | Long shelf life when stored properly |
| Storage Recommendation | Dry, ESD-safe environment at room temperature |
| Handling Precautions | Use ESD protection; avoid overheating during installation |
| Substitute Availability | No direct substitute recommended |
| Seller Notes | Verify motherboard compatibility before installation |
🔍 Technical Explanation & Practical Notes
1. What Is the BQ24196 IC?
The BQ24196 is a high-efficiency, switch-mode battery charger IC designed by Texas Instruments. It is widely used in smartphones and portable devices to manage safe battery charging, power path control, and system power delivery from USB or adapter sources.
2. Importance in Smartphones
The BQ24196 is responsible for:
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Fast and controlled battery charging
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Powering the system while charging
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Reducing heat during high-current charging
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Extending battery lifespan through intelligent regulation
When faulty, devices often exhibit charging failure, slow charging, overheating, or no-power issues.
3. Why Use Original BQ24196
Using an original BQ24196 IC ensures:
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Correct charging current and voltage regulation
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Reliable thermal protection
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Proper communication with the system processor
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Long-term device safety and stability
Non-original or low-quality ICs may cause battery damage or motherboard failure.
4. Installation Guidelines
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Remove the defective IC carefully to avoid PCB damage
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Clean pads thoroughly before placing the new IC
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Align precisely and apply controlled heat
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Inspect solder joints under a microscope
5. Storage & Handling
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Store in anti-static packaging
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Avoid moisture and dust exposure
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Handle only with ESD-safe tools
