Overview
The BQ20Z75DBTR is a highly integrated battery management IC manufactured by Texas Instruments. It is designed for use in lithium-ion (Li-Ion) and lithium-polymer (Li-Pol) battery systems, providing accurate fuel gauging and monitoring capabilities. This IC is part of the Impedance Track™ series, which is known for its precision in measuring battery state-of-charge (SOC) and health. The BQ20Z75DBTR is targeted at applications requiring reliable battery management, such as portable electronics, medical devices, and industrial equipment. Its key selling points include advanced battery tracking, overvoltage protection, and compatibility with a wide range of battery chemistries.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | PMIC - Battery Management | - | - |
| Function | Fuel Gauge, Monitor, Overvoltage Protection | - | - |
| Battery Chemistry | Li-Ion, Li-Pol | - | - |
| Supply Voltage | 4.5 - 25 | V | - |
| Operating Temperature | -40 - 85 | °C | - |
| Mounting Type | Surface Mount | - | - |
| Package/Case | 38-TFSOP | - | 0.173", 4.40mm wide |
Key Features
- Accurate battery state-of-charge (SOC) and health monitoring.
- Supports lithium-ion and lithium-polymer battery chemistries.
- Integrated overvoltage protection for enhanced safety.
- Wide supply voltage range (4.5V to 25V) for versatile applications.
- Compact 38-TFSOP package for space-constrained designs.
Applications
The BQ20Z75DBTR is widely used in applications requiring precise battery management. Common fields include:
- Portable Electronics: Smartphones, tablets, and laptops benefit from its accurate SOC measurement.
- Medical Devices: Ensures reliable battery performance in critical healthcare equipment.
- Industrial Equipment: Provides robust battery monitoring in harsh environments.
Q & A
1. What is the primary function of the BQ20Z75DBTR?
The BQ20Z75DBTR is a battery management IC that provides fuel gauging, monitoring, and overvoltage protection for lithium-ion and lithium-polymer batteries.
2. What battery chemistries does it support?
It supports lithium-ion (Li-Ion) and lithium-polymer (Li-Pol) battery chemistries.
3. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
4. What is the supply voltage range?
The supply voltage range is 4.5V to 25V.
5. What package does the BQ20Z75DBTR come in?
It comes in a 38-TFSOP package.
6. Is it suitable for portable electronics?
Yes, it is ideal for portable electronics such as smartphones, tablets, and laptops.
7. Does it include overvoltage protection?
Yes, it features integrated overvoltage protection.
8. Can it be used in medical devices?
Yes, it is suitable for medical devices requiring reliable battery management.
9. What is the Impedance Track™ technology?
Impedance Track™ is a Texas Instruments technology that provides accurate battery state-of-charge (SOC) and health monitoring.
10. Is the BQ20Z75DBTR compatible with surface mount technology (SMT)?
Yes, it is designed for surface mount applications.
