Overview
The BQ28550DRZR-R1 is a single-cell Li-Ion battery gas gauge and protection IC manufactured by Texas Instruments. This component integrates all essential functions for battery management, including current and voltage measurement, and protection features. However, it is important to note that the BQ28550DRZR-R1 is no longer recommended for new designs (NRND) and is obsolete, with recommended substitutes available.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | 12-SON |
| Operating Temperature | -40°C to 85°C |
| Battery Type | Single Cell Li-Ion |
| Communication Interface | I2C / SMBus |
| Status | Obsolete, NRND |
Key Features
- Integrates battery gas gauge and protection functions into a single IC.
- Provides accurate current and voltage measurements.
- Supports I2C and SMBus communication interfaces.
- Includes non-volatile memory for data and instruction storage.
- Programmable via .senc files and Flashstream method.
Applications
The BQ28550DRZR-R1 is designed for use in single-cell Li-Ion battery management systems, particularly in portable electronic devices such as smartphones, tablets, and other handheld electronics. However, due to its obsolete status, it is recommended to use newer alternatives like the bq27742-G1 for new designs.
Q & A
- What is the BQ28550DRZR-R1?
The BQ28550DRZR-R1 is a single-cell Li-Ion battery gas gauge and protection IC manufactured by Texas Instruments.
- Why is the BQ28550DRZR-R1 no longer recommended?
The BQ28550DRZR-R1 is no longer recommended for new designs (NRND) and is obsolete, with recommended substitutes available.
- What are the key features of the BQ28550DRZR-R1?
It integrates battery gas gauge and protection functions, provides current and voltage measurements, and supports I2C and SMBus communication.
- How is the BQ28550DRZR-R1 programmed?
The device is programmed via I2C/SMBus using .senc files and the Flashstream method.
- What is the operating temperature range of the BQ28550DRZR-R1?
The operating temperature range is -40°C to 85°C.
- What package type does the BQ28550DRZR-R1 come in?
The BQ28550DRZR-R1 comes in a 12-SON package.
- What are some recommended substitutes for the BQ28550DRZR-R1?
Recommended substitutes include the bq27742-G1, which combines fuel gauge and protector functions into one IC.
- What types of devices typically use the BQ28550DRZR-R1?
It is typically used in portable electronic devices such as smartphones and tablets.
- Is the BQ28550DRZR-R1 still available for purchase?
No, the BQ28550DRZR-R1 is obsolete and no longer manufactured.
- Where can I find detailed programming specifications for the BQ28550DRZR-R1?
Detailed programming specifications can be found in the technical reference manual and additional documents provided by Texas Instruments, such as those related to the Flashstream method.
