Texas Instruments BQ25121AYFPT
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.15 | $4.15 |
| 15+ | $4.02 | $60.30 |
| 25+ | $3.93 | $98.25 |
| 50+ | $3.71 | $185.50 |
| 100+ | $3.28 | $328.00 |
| N+ | $0.66 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Battery Chemistry | Multi-Chemistry |
| Number of Cells | 1 |
| Current - Charging | Constant |
| Programmable Features | Current, Timer, Voltage |
| Fault Protection | Over Current, Over Voltage, Short Circuit |
| Charge Current - Max | 300mA |
| Battery Pack Voltage | 4.65V |
| Voltage - Supply (Max) | 5.5V |
| Interface | I2C |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 25-XFBGA, DSBGA |
| Supplier Device Package | 25-DSBGA |
| ROHS |  |
The Texas Instruments BQ25121AYFPT is a multi-chemistry battery charger IC for single-cell applications. It provides a charge current up to 300mA and supports a battery voltage of 4.65V. The device includes Over Current, Over Voltage, and Short Circuit protection. Controlled via an I2C interface, it operates from -40°C to 85°C. Its 25-XFBGA package is designed for compact wearable and IoT devices.
- Multi-Chemistry Support: Flexible charging for various battery types in a single design.
- Precise Control: I2C interface enables fine-tuning of charging parameters.
- Comprehensive Protection: Over Current, Over Voltage, and Short Circuit safeguards enhance safety.
- Ultra-Compact: 25-XFBGA package is ideal for miniaturized electronics.
True Wireless Earbuds
Charge the small Li-Ion battery in charging cases and earbuds. The 300mA charge current is ideal for low-capacity cells, and the I2C interface allows precise control.
Wearable Fitness Trackers
Power charging circuits in smart bands and health monitors. The compact 25-XFBGA package fits tiny PCB layouts.
IoT Sensors
Support battery charging in wireless sensors and beacons. Multi-Chemistry support provides flexibility for different battery types.
Medical Patches
Enable safe charging for wearable medical devices. Over Current, Over Voltage, and Short Circuit protection ensure reliable operation.
Smart Accessories
Charge batteries in smart pens, styluses, and other accessories. The low charge current is well-suited for small battery capacities.
- Q: What battery chemistry does the BQ25121AYFPT support?
- A: It supports Multi-Chemistry batteries.
- Q: How many cells can it charge?
- A: It supports 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 4.65V.
- Q: What fault protection is included?
- A: It includes Over Current, Over Voltage, and Short Circuit protection.
- Q: What interface does it use?
- A: It uses an I2C interface.
BQ25121AYFPT.pdf
- Q: What battery chemistry does the BQ25121AYFPT support?
- A: It supports Multi-Chemistry batteries.
- Q: How many cells can it charge?
- A: It supports 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 4.65V.
- Q: What fault protection is included?
- A: It includes Over Current, Over Voltage, and Short Circuit protection.
- Q: What interface does it use?
- A: It uses an I2C interface.
