Overview
The Texas Instruments BQ40Z60RHBR is a Programmable Battery Management Unit (BMU) designed to manage 2-series to 4-series Li-Ion or Li-Polymer battery packs. This device integrates comprehensive battery charging control, gas gauging, and protection features to ensure safe and efficient battery operation. It utilizes next-generation Impedance Track™ technology for accurate charge measurement and includes sophisticated charge algorithms, cell balancing, and a range of protection mechanisms such as overvoltage, undervoltage, overcurrent, and temperature protection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.2 to 26 | V |
| Operating Temperature | -40 to 85 | °C |
| Package Type | 32-Lead QFN | |
| Package Size | 5.00 mm × 5.00 mm | |
| Battery Charger Operation Range | 4 V to 25 V | |
| Charger Type | 1-MHz Synchronous Buck Controller | |
| Communication Interface | Two-Wire SMBus v2.0 | |
| Security Features | SHA-1 Hash Message Authentication Code (HMAC) | |
| Cell Balancing | Integrated cell balancing while charging or at rest | |
| Low Power Modes | LOW POWER, SLEEP |
Key Features
- Fully integrated 2-series to 4-series Li-Ion or Li-Polymer cell battery pack manager and protection.
- Next-generation Impedance Track™ technology for accurate charge measurement.
- High side N-CH protection FET drive.
- Integrated cell balancing while charging or at rest.
- Sophisticated charge algorithms, including JEITA, Enhanced Charging, and Adaptive Charging.
- Diagnostic lifetime data monitor and black box event recorder.
- Programmable protection features for voltage, current, temperature, and charge timeout.
- Support for two-wire SMBus v2.0 interface with accelerated 400-kHz programming option.
- SHA-1 authentication and secure memory for increased battery pack security.
Applications
- Notebooks, Ultrabooks, Netbooks, and Tablets.
- UMPCs (Ultra-Mobile PCs).
- Medical and test equipment.
- Portable instrumentation.
Q & A
- What is the primary function of the BQ40Z60RHBR?
The primary function is to manage 2-series to 4-series Li-Ion or Li-Polymer battery packs, integrating battery charging control, gas gauging, and protection features. - What technology does the BQ40Z60RHBR use for charge measurement?
It uses next-generation Impedance Track™ technology for accurate charge measurement. - What are the key protection features of the BQ40Z60RHBR?
The device includes protection features for overvoltage, undervoltage, overcurrent, short circuit in charge and discharge, and temperature protection. - What communication interface does the BQ40Z60RHBR support?
The device supports a two-wire SMBus v2.0 interface with accelerated 400-kHz programming option. - Does the BQ40Z60RHBR have security features?
Yes, it includes SHA-1 hash message authentication code (HMAC) and secure memory for increased battery pack security. - What are the low power modes available in the BQ40Z60RHBR?
The device has LOW POWER and SLEEP modes. - Can the BQ40Z60RHBR perform cell balancing?
Yes, it integrates cell balancing while charging or at rest. - What types of charge algorithms does the BQ40Z60RHBR support?
The device supports JEITA, Enhanced Charging, and Adaptive Charging algorithms. - What is the package type and size of the BQ40Z60RHBR?
The package type is 32-Lead QFN, and the size is 5.00 mm × 5.00 mm. - What are some common applications of the BQ40Z60RHBR?
Common applications include notebooks, ultrabooks, netbooks, tablets, UMPCs, medical and test equipment, and portable instrumentation.
