Overview
The BQ7693007DBTR is a battery monitor IC manufactured by Texas Instruments, designed for lithium-ion and lithium-phosphate battery management systems. This model is part of the bq769x0 series, which serves as a robust analog front-end (AFE) solution for monitoring and protecting high-power battery systems. It is specifically tailored for applications requiring monitoring of 6 to 10 series cells, making it suitable for a wide range of industrial and consumer electronics. Its key selling points include low power consumption, integrated cell balancing, and comprehensive protection features, making it a competitive choice for next-generation battery management systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Series | bq769x0 | - | Part of the bq769x0 family |
| Battery Type | Li-Ion, Li-Phosphate | - | Supports multiple chemistries |
| Number of Cells | 6 ~ 10 | - | Supports up to 10 series cells |
| Interface | I²C | - | Compatible with CRC option |
| Protection Features | OCD, SCD, OV, UV | - | Overcurrent, short circuit, over/undervoltage |
| Operating Temperature | -40°C ~ 85°C | °C | Wide temperature range |
| Package | TSSOP-30 | - | Surface mount type |
| Supply Voltage | 6 V to 25 V | V | Wide operating range |
| Output Voltage | 3.3 V | V | Integrated regulator |
| Current Consumption | 40 µA | µA | Low power operation |
Key Features
- Integrated cell balancing FETs for efficient battery management.
- Comprehensive hardware protection features including overcurrent, short circuit, and over/undervoltage detection.
- Low power consumption with sub-block control and SHIP mode for ultra-low power states.
- Direct support for up to three thermistors for temperature monitoring.
- Simple I²C interface with CRC option for reliable communication.
Applications
The BQ7693007DBTR is widely used in applications requiring robust battery management systems. Typical use cases include:
- Light Electric Vehicles (LEV): eBikes, eScooters, and pedal-assist bicycles.
- Power Tools: Cordless drills, saws, and gardening equipment.
- Uninterruptible Power Supplies (UPS): Backup systems for critical infrastructure.
- Battery Packs: 12V, 18V, 24V, 36V, and 48V configurations.
Q & A
1. What is the maximum number of cells supported by BQ7693007DBTR?
The BQ7693007DBTR supports up to 10 series cells.
2. What battery chemistries are compatible with this IC?
It is compatible with lithium-ion (Li-Ion) and lithium-phosphate (Li-Phosphate) batteries.
3. What protection features are included?
It includes overcurrent (OCD), short circuit (SCD), overvoltage (OV), and undervoltage (UV) protection.
4. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
5. What is the package type?
The IC is available in a TSSOP-30 surface mount package.
6. What is the supply voltage range?
The supply voltage range is 6 V to 25 V.
7. Does it support cell balancing?
Yes, it includes integrated cell balancing FETs.
8. What is the output voltage of the integrated regulator?
The output voltage is 3.3 V.
9. What is the typical current consumption?
The typical current consumption is 40 µA.
10. What communication interface is used?
It uses an I²C interface with an optional CRC for enhanced reliability.
