LP3921SQ Texas Instruments Integrated Circuit (Other) In Stock
LP3921SQ is a Texas Instruments integrated battery charger management and regulator unit for Li-Ion cells. It integrates a linear battery charger, LDO regulators, and power management functions in a 32-pin QFN package. Ideal for portable consumer electronics, handheld devices, and battery-powered applications requiring compact power management.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 33
- Lifecycle
- OBSOLETE
- Datasheet
- LP3921SQ Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LP3921SQ?
- Integrated linear battery charger for single-cell Li-Ion/Li-Polymer batteries
- Multiple integrated LDO regulators for system power rail management
- Compact 32-pin QFN (5x5mm) package for space-constrained designs
- Single-chip power management solution reduces BOM and board area
- JESD-609 e3 compliant for RoHS and environmental standards
What is LP3921SQ used for?
The LP3921SQ is well-suited for portable consumer electronics such as smartphones, tablets, and handheld gaming devices that require integrated battery charging and power regulation. It is also used in wearable devices, Bluetooth accessories, and IoT sensor nodes where compact, single-chip power management is essential. Its combination of battery charger and LDO regulators makes it ideal for any battery-powered product needing reliable and efficient power supply management.
What are the specifications of LP3921SQ?
| Reach Compliance Code | Compliant |
| YTEOL | 0 |
| Adjustable Threshold | NO |
| Analog IC - Other Type | LINEAR BATTERY CHARGER |
| JESD-30 Code | S-XQCC-N32 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC32,.2SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 3V |
| Supply Voltage-Nom (Vsup) | 3.6V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the LP3921SQ datasheet?
LP3921SQ Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LP3921SQ?
Compatible alternatives and drop-in replacements for LP3921SQ:
Frequently Asked Questions
What type of battery does the LP3921SQ charge?
The LP3921SQ is designed to charge single-cell Lithium-Ion (Li-Ion) and Lithium-Polymer (Li-Poly) batteries. It includes an integrated linear battery charger that manages the full charge cycle, making it suitable for portable devices requiring safe and efficient battery management.
What package does the LP3921SQ come in?
The LP3921SQ is available in a 32-pin QFN (Quad Flat No-lead) package with a 5x5mm body size (JESD-30 code: S-XQCC-N32). This compact surface-mount package is ideal for space-constrained PCB designs in portable and wearable electronics.
What are the typical applications for the LP3921SQ?
The LP3921SQ is commonly used in smartphones, tablets, handheld gaming consoles, Bluetooth headsets, wearable devices, and IoT sensor modules. Its integrated battery charger and multiple LDO regulators allow it to serve as a complete power management IC for battery-powered consumer and industrial products.
Is the LP3921SQ RoHS compliant?
Yes, the LP3921SQ carries a JESD-609 Code of e3, indicating it is lead-free and RoHS compliant. It also meets Reach compliance requirements, making it suitable for environmentally conscious designs and markets with strict regulatory requirements.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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