Texas Instruments BQ25155YFPT
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.76 | $3.76 |
| 15+ | $3.64 | $54.60 |
| 25+ | $3.56 | $89.00 |
| 50+ | $3.37 | $168.50 |
| 100+ | $2.97 | $297.00 |
| N+ | $0.59 | 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 |
| Programmable Features | Current, Voltage |
| Fault Protection | Over Current, Over Temperature, Over Voltage, Short Circuit |
| Charge Current - Max | 500mA |
| Battery Pack Voltage | 4.6V (Max) |
| Voltage - Supply (Max) | 5.25V |
| Interface | I2C |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-XFBGA, DSBGA |
| Supplier Device Package | 20-DSBGA |
| ROHS |
The Texas Instruments BQ25155YFPT is a highly integrated single-cell battery charger IC designed for Multi-Chemistry batteries. It delivers a programmable charge current up to 500mA and supports a maximum battery voltage of 4.6V. Housed in a compact 20-XFBGA package, it features comprehensive fault protection including overcurrent, overvoltage, and short-circuit safeguards. Its I2C interface enables precise control and monitoring, making it an excellent choice for portable and wearable electronics.
- Compact Solution: The 20-XFBGA package minimizes PCB footprint, ideal for space-limited portable designs.
- Multi-Chemistry Support: Offers design flexibility for various battery types without changing the charger IC.
- Comprehensive Safety: Integrated Over Current, Over Temperature, Over Voltage, and Short Circuit protection ensures reliable operation.
- Precise Control: The I2C interface allows for fine-tuning of charging parameters to match specific battery requirements.
Wearable Devices
The BQ25155YFPT's 500mA charge current and compact 20-XFBGA package make it ideal for space-constrained wearables like smartwatches and fitness bands, ensuring safe charging of single-cell multi-chemistry batteries.
Portable Medical Devices
With its robust fault protection (Over Current, Over Temperature, Over Voltage, Short Circuit), this charger is suitable for portable medical monitors that require reliable and safe battery management in a compact form factor.
IoT Sensors
For low-power IoT sensors deployed in commercial environments, the I2C interface allows precise control over the charging profile, optimizing battery life and performance.
Hearing Aids
The small DSBGA package and low charge current are perfect for hearing aids, where size and gentle charging are critical for the longevity of small batteries.
Smart Accessories
Smart pens, trackers, and other accessories benefit from the BQ25155YFPT's flexible multi-chemistry support and programmable I2C interface, enabling tailored charging solutions.
- Q: What battery chemistries does the BQ25155YFPT support?
- A: The BQ25155YFPT supports Multi-Chemistry batteries, offering flexibility for various battery types.
- Q: How many battery cells can this charger manage?
- A: It is designed for single-cell (1) battery configurations.
- Q: What is the maximum charge current?
- A: The maximum charge current is 500mA.
- Q: What is the maximum battery pack voltage?
- A: The maximum battery pack voltage is 4.6V.
- Q: What fault protection features are included?
- A: It includes Over Current, Over Temperature, Over Voltage, and Short Circuit protection.
- Q: What control interface does it use?
- A: It uses an I2C interface for control and monitoring.
- Q: What battery chemistries does the BQ25155YFPT support?
- A: The BQ25155YFPT supports Multi-Chemistry batteries, offering flexibility for various battery types.
- Q: How many battery cells can this charger manage?
- A: It is designed for single-cell (1) battery configurations.
- Q: What is the maximum charge current?
- A: The maximum charge current is 500mA.
- Q: What is the maximum battery pack voltage?
- A: The maximum battery pack voltage is 4.6V.
- Q: What fault protection features are included?
- A: It includes Over Current, Over Temperature, Over Voltage, and Short Circuit protection.
- Q: What control interface does it use?
- A: It uses an I2C interface for control and monitoring.

BQ25155YFPT.pdf