Texas Instruments BQ25618YFFT
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.22 | $4.22 |
| 15+ | $4.08 | $61.20 |
| 25+ | $4.00 | $100.00 |
| 50+ | $3.77 | $188.50 |
| 100+ | $3.33 | $333.00 |
| N+ | $0.67 | 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, Timer, Voltage |
| Fault Protection | Over Current, Over Voltage |
| Charge Current - Max | 1.5A |
| Battery Pack Voltage | 4.52V (Max) |
| Voltage - Supply (Max) | 13.5V |
| Interface | I2C |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 30-UFBGA, DSBGA |
| Supplier Device Package | 30-DSBGA |
| ROHS |
The Texas Instruments BQ25618YFFT is a compact linear battery charger for single-cell Lithium Ion/Polymer batteries. It delivers up to 1.5A charge current with a maximum battery voltage of 4.52V. The I2C interface allows precise control of charging parameters. Integrated over current and over voltage protection ensures safe operation. Packaged in a tiny 30-UFBGA (DSBGA), it operates from -40°C to 85°C, making it ideal for wearables, earbuds, and other space-constrained portable devices.
- Ultra-Compact Design: 30-UFBGA package is ideal for miniaturized wearable and hearable products.
- High-Voltage Cell Support: Supports up to 4.52V battery voltage, enabling higher energy density cells.
- Low-Power I2C Control: Allows fine-grained charge management for extended battery life.
- Essential Safety: Over current and over voltage protection prevent damage to small batteries.
True Wireless Earbuds
The ultra-compact 30-UFBGA package and 1.5A charge current make it perfect for charging cases and tiny Li-Polymer cells in TWS earbuds.
Smartwatches and Fitness Bands
Its small footprint and support for high-voltage Li-Polymer cells (up to 4.52V) enable longer battery life in wearable devices.
Medical Wearables
The industrial temperature range (-40°C to 85°C) ensures reliable charging in continuous-use health monitoring patches.
Portable IoT Sensors
With I2C control and low quiescent current, it is ideal for battery-powered IoT devices that require precise charge management.
Hearing Aids
The tiny DSBGA package and safe over voltage protection make it suitable for compact, high-density hearing aid batteries.
- Q: What battery chemistry is supported?
- A: It supports Lithium Ion/Polymer batteries.
- Q: How many cells can it charge?
- A: It is designed for a single-cell (1s) configuration.
- Q: What is the maximum charge current?
- A: The maximum charge current is 1.5A.
- Q: What is the maximum battery voltage?
- A: The maximum battery regulation voltage is 4.52V.
- Q: What protections are included?
- A: It includes Over Current and Over Voltage protection.
- Q: What interface does it use?
- A: It uses an I2C interface.
- Q: What battery chemistry is supported?
- A: It supports Lithium Ion/Polymer batteries.
- Q: How many cells can it charge?
- A: It is designed for a single-cell (1s) configuration.
- Q: What is the maximum charge current?
- A: The maximum charge current is 1.5A.
- Q: What is the maximum battery voltage?
- A: The maximum battery regulation voltage is 4.52V.
- Q: What protections are included?
- A: It includes Over Current and Over Voltage protection.
- Q: What interface does it use?
- A: It uses an I2C interface.

BQ25618YFFT.pdf