Texas Instruments BQ21061YFPR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.76 | $2.76 |
| 15+ | $2.67 | $40.05 |
| 25+ | $2.61 | $65.25 |
| 50+ | $2.47 | $123.50 |
| 100+ | $2.18 | $218.00 |
| N+ | $0.44 | 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 Current |
| Charge Current - Max | 500mA |
| Battery Pack Voltage | 2.4V ~ 4.6V |
| 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 BQ21061YFPR is a linear charger for single-cell Lithium Ion and Lithium Polymer batteries. It offers a charge current up to 500mA and supports a battery voltage range of 2.4V to 4.6V. The device is controlled via an I2C interface and includes Over Current protection. Its ultra-compact 20-XFBGA package is designed for space-constrained portable and wearable applications.
- Ultra-Small Footprint: The 20-XFBGA (DSBGA) package is ideal for miniaturized designs where space is at a premium.
- I2C Programmability: Provides flexible control over charging parameters via a standard I2C interface.
- Wide Voltage Support: Handles battery voltages from 2.4V to 4.6V, making it versatile for different cell types.
- Low Charge Current: The 500mA maximum current is perfect for small-capacity batteries, preventing stress and extending battery life.
Hearing Aids
The BQ21061YFPR's small footprint and low 500mA charge current are well-suited for the tiny batteries used in modern hearing aids, ensuring safe and gentle charging.
Smart Glasses
For augmented reality glasses, the I2C interface allows the system to optimize charging based on temperature and usage, while the compact package fits into the temple housing.
Portable Medical Devices
In compact glucose monitors or insulin pumps, the wide battery voltage range provides flexibility in cell selection, and the I2C interface enables precise charge management.
Wireless Sensors
Industrial wireless sensors can leverage the BQ21061YFPR for reliable charging from a small solar panel or vibration harvester, with I2C for charge monitoring.
Consumer Electronics Accessories
Devices like smart pens and presentation remotes benefit from the simple I2C control and small package, enabling a sleek and compact product design.
- Q: What battery chemistries are supported?
- A: It supports Lithium Ion and Lithium Polymer batteries.
- Q: How many cells can it charge?
- A: It is designed for 1 cell.
- Q: What is the maximum charge current?
- A: The maximum charge current is 500mA.
- Q: What is the battery voltage range?
- A: The battery voltage range is 2.4V to 4.6V.
- Q: What fault protection is included?
- A: It includes Over Current protection.
- Q: What control interface does it use?
- A: It uses an I2C interface.
BQ21061YFPR.pdf
- Q: What battery chemistries are supported?
- A: It supports Lithium Ion and Lithium Polymer batteries.
- Q: How many cells can it charge?
- A: It is designed for 1 cell.
- Q: What is the maximum charge current?
- A: The maximum charge current is 500mA.
- Q: What is the battery voltage range?
- A: The battery voltage range is 2.4V to 4.6V.
- Q: What fault protection is included?
- A: It includes Over Current protection.
- Q: What control interface does it use?
- A: It uses an I2C interface.
