Key Selection Information
| Selection Parameter | Confirmed Information |
|---|---|
| Cell Count | 6 to 10 series cells |
| Exact Variant Interface | 7-bit I²C address 0x08 with CRC enabled |
| Exact Variant LDO | 3.3 V REGOUT option |
| Monitoring | Individual cell voltage, pack current, die temperature and external thermistors |
| Protection Hardware | OV, UV, overcurrent-in-discharge and short-circuit-in-discharge detection |
| Pack Control | Low-side N-channel charge/discharge FET drivers and integrated cell balancing FETs |
| Configuration | Variant settings factory-programmed in EEPROM and not field-modifiable |
| Exact Package / Packing | TSSOP (DBT), 30 pins; 2000-piece large tape and reel |
Product Overview
BQ7693003DBTR is an exact 6S-to-10S member of TI’s BQ769x0 battery-monitor family. It combines cell-voltage monitoring, pack-current coulomb counting, thermistor measurement, basic hardware protection, low-side CHG/DSG FET drive and passive balancing support for medium-series-count battery packs.
The final digits in BQ7693003 are electrically meaningful. TI’s device-comparison table identifies this option as the 6S-to-10S BQ76930 variant with 7-bit I²C address 0x08, a 3.3 V regulator output and CRC enabled. Those settings are programmed in EEPROM at the factory and cannot be changed by the application, so firmware and board power design must match the exact order code rather than only the BQ76930 family name.
The device is an analog front end, not a complete autonomous battery-management system. A host controller reads measurements, handles policy and commands the charge/discharge FET behavior around the AFE’s hardware protection and balancing functions.
For related devices, see HKEQGOO’s Battery Management category.
Technical Specifications
| Parameter | Verified Information |
|---|---|
| Manufacturer | Texas Instruments |
| Exact MPN | BQ7693003DBTR |
| Family Device | BQ76930 |
| Supported Cells | 6 to 10 series cells |
| I²C Address | 0x08, 7-bit |
| CRC | Enabled for this exact 0003 configuration |
| REGOUT | 3.3 V option |
| Cell Monitoring | Internal ADC with per-cell voltage measurement |
| Current Monitoring | Separate internal coulomb-counter ADC across SRP/SRN |
| Temperature | Die temperature plus external thermistor support |
| Protection | OV, UV, OCD, SCD and secondary-protector fault detection |
| Cell Balancing | Integrated balancing FET support |
| FET Drivers | Low-side N-channel CHG and DSG outputs |
| Package | TSSOP (DBT), 30 pins |
| Manufacturer Status | Active / Production |
| Part Marking | BQ7693003 |
Functional Highlights
The 0003 configuration is fixed silicon ordering data, not firmware setup
The BQ769x0 family uses multiple preconfigured order codes. For BQ7693003, CRC is enabled, REGOUT is 3.3 V and the I²C address is 0x08. Firmware written for a non-CRC variant or a different address can therefore fail even when the board is otherwise compatible with the BQ76930 family.
This makes exact-MPN control important in sourcing. Replacing BQ7693003DBTR with another BQ76930 suffix requires checking the comparison table instead of assuming suffixes only describe packing.
The AFE supplies measurements and hardware thresholds while the host owns pack policy
The device can detect several fast electrical faults in hardware and drive pack FETs, but higher-level decisions, communications, state tracking and system behavior remain with the companion controller. Host firmware availability and validation are part of the component-selection decision.
Integrated balancing reduces components but still needs thermal/current planning
The internal balancing paths can bypass cell current under host control. Balancing resistor values, duty cycle, board temperature and expected cell mismatch determine correction time and dissipation; the presence of integrated balance switches does not define a universal balancing current.
Design Considerations
- Lock firmware to the exact CRC/address variant. BQ7693003 requires CRC-capable communications at address 0x08.
- Use the 3.3 V REGOUT option consistently with the companion controller and pullups. Another BQ76930 suffix can have a different regulator configuration.
- Design SRP/SRN sensing and cell-input filters with low-noise routing. Both current protection and coulomb counting depend on the analog front end.
- Treat balancing as a thermal design. External resistor values and activation time determine bypass current and local heating.
- Maintain exact suffix control in procurement. The factory EEPROM options cannot be corrected by software after assembly.
Product Status and Exact Order Code
Manufacturer status: Active / Production
Texas Instruments lists BQ7693003DBTR in the 30-pin TSSOP DBT package as a 2000-piece large tape-and-reel order code with Level-2-260C-1 YEAR MSL classification, an operating-temperature listing of −40°C to +85°C, and part marking BQ7693003.
Related Engineering Resources
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