Texas Instruments BQ25120AYFPR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.52 | $3.52 |
| 15+ | $3.41 | $51.15 |
| 25+ | $3.34 | $83.50 |
| 50+ | $3.15 | $157.50 |
| 100+ | $2.78 | $278.00 |
| N+ | $0.56 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current |
| Fault Protection | Over Temperature, Over Voltage, Short Circuit |
| Charge Current - Max | 300mA |
| Battery Pack Voltage | 4.2V |
| Voltage - Supply (Max) | 5.5V |
| Interface | I2C |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 25-XFBGA, DSBGA |
| Supplier Device Package | 25-DSBGA |
| ROHS |  |
The BQ25120AYFPR is an ultra-compact single-cell Lithium Ion/Polymer battery charger from Texas Instruments. It provides a maximum charge current of 300mA for a 4.2V battery, tailored for small-capacity cells in wearables and IoT devices. The I2C interface enables precise control and status monitoring. Integrated protections include Over Temperature, Over Voltage, and Short Circuit. With a wide operating temperature range of -40°C to 125°C, it performs reliably in demanding conditions. The 25-XFBGA/DSBGA package is among the smallest available for space-constrained designs.
- Ultra-Small Footprint: 25-XFBGA package is ideal for miniaturized wearable and IoT designs.
- Low-Current Precision: 300mA charge current is optimized for small-capacity batteries.
- Robust Protection: Over Temperature, Over Voltage, and Short Circuit protection enhance safety.
- Wide Temperature Range: -40°C to 125°C allows use in extreme environments.
Wearable Fitness Trackers
The BQ25120AYFPR's low 300mA charge current and ultra-small 25-XFBGA package make it perfect for fitness bands and smartwatches with small batteries.
Wireless Earbuds
Ideal for charging tiny Li-Ion cells in true wireless earbuds, where space is at a premium and low current is sufficient.
Smart Sensors
For IoT sensors and smart tags, this charger provides a safe, low-current charging solution with I2C control for power management.
Medical Patches
Its compact size and Over Temperature protection suit disposable or rechargeable medical patches that require reliable charging.
Portable Accessories
Small electronic accessories like smart pens and styluses benefit from the minimal footprint and efficient charging profile.
- Q: What battery chemistry does the BQ25120AYFPR support?
- A: It supports Lithium Ion/Polymer batteries.
- Q: How many cells can it charge?
- A: It is designed for a single cell (1 cell).
- Q: What is the maximum charge current?
- A: The maximum charge current is 300mA.
- Q: What is the battery voltage?
- A: The battery voltage is 4.2V.
- Q: What fault protections are included?
- A: It includes Over Temperature, Over Voltage, and Short Circuit protection.
- Q: What interface does it use?
- A: It uses an I2C interface.
BQ25120AYFPR.pdf
- Q: What battery chemistry does the BQ25120AYFPR support?
- A: It supports Lithium Ion/Polymer batteries.
- Q: How many cells can it charge?
- A: It is designed for a single cell (1 cell).
- Q: What is the maximum charge current?
- A: The maximum charge current is 300mA.
- Q: What is the battery voltage?
- A: The battery voltage is 4.2V.
- Q: What fault protections are included?
- A: It includes Over Temperature, Over Voltage, and Short Circuit protection.
- Q: What interface does it use?
- A: It uses an I2C interface.
