Overview
The Texas Instruments BQ20Z95DBT is a sophisticated battery management IC designed to provide accurate fuel gauging and protection for lithium-ion (Li-ion) and lithium-polymer (Li-Po) battery packs. This component is part of the BQ20Z95 series and is compliant with the System Management Bus (SMBus) 1.1 standard. It features Impedance Track technology, which enables precise battery state-of-charge estimation. The BQ20Z95DBT is housed in a 44-pin Thin Shrink Small Outline Package (TSSOP) and operates over a temperature range of -40°C to 85°C, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | BQ20Z95DBT |
| Package Type | 44-Pin TSSOP |
| Operating Temperature | -40°C to 85°C |
| Supply Voltage | 0V to 25V |
| Battery Type | Lithium-Ion (Li-ion), Lithium-Polymer (Li-Po) |
| Compliance | SBS 1.1, SMBus 1.1 |
| RoHS Compliance | Yes |
| Pin Count | 44 |
| Package Dimensions | 4.4 mm x 11 mm x 1 mm |
Key Features
- Impedance Track Technology: Provides accurate state-of-charge estimation for Li-ion and Li-Po batteries.
- SMBus 1.1 Compliance: Supports System Management Bus protocol for communication.
- Battery Protection: Includes protection features to safeguard the battery from overcharge, over-discharge, and short circuits.
- High Accuracy: Offers high accuracy in voltage, current, and temperature measurements.
- Multiple Cell Support: Supports 2-4 series cell configurations.
- Evaluation Module: Available with the BQ20Z95EVM-001 evaluation module for easy development and testing.
Applications
- Portable Electronics: Suitable for smartphones, tablets, and other portable devices.
- Medical Devices: Used in medical equipment that requires precise battery management.
- Industrial Systems: Applicable in various industrial applications requiring reliable battery monitoring.
- Automotive Systems: Can be used in automotive battery management systems for hybrid and electric vehicles.
Q & A
- What is the BQ20Z95DBT used for?
The BQ20Z95DBT is a battery management IC used for accurate fuel gauging and protection of Li-ion and Li-Po battery packs.
- What is the operating temperature range of the BQ20Z95DBT?
The operating temperature range is -40°C to 85°C.
- Is the BQ20Z95DBT RoHS compliant?
Yes, the BQ20Z95DBT is RoHS compliant.
- What communication protocol does the BQ20Z95DBT support?
The BQ20Z95DBT supports the SMBus 1.1 protocol.
- How many cells can the BQ20Z95DBT support?
The BQ20Z95DBT supports 2-4 series cell configurations.
- What is the package type of the BQ20Z95DBT?
The BQ20Z95DBT is housed in a 44-pin TSSOP package.
- Is the BQ20Z95DBT recommended for new designs?
No, the BQ20Z95DBT is marked as NRND (Not recommended for new designs).
- What evaluation module is available for the BQ20Z95DBT?
The BQ20Z95EVM-001 evaluation module is available for development and testing.
- What are some common applications of the BQ20Z95DBT?
Common applications include portable electronics, medical devices, industrial systems, and automotive systems.
- What is the maximum supply voltage for the BQ20Z95DBT?
The maximum supply voltage is 25V.
