Yingxinyuan Int'l(Group) Ltd.
YingXinYuan Electronic Technology Co., Ltd.
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NPN PNP Transistor Texas Instruments/TI BQ26100DRPR
| ECAD Module | Build or Request PCB Footprint or Symbol |
| Supply and Demand Status | Balance |
| Fake Threat In the Open Market | 54 pct. |
| Popularity | High |
| Is this a common-used part? | Yes |
| Win Source Part Number | 011972-BQ26100DRPR |
| Case / Package | 6-VSON Exposed Pad (3x3) |
| Temperature Range - Operating | -40°C to 85°C (TA) |
| Status | Active |
| Packaging | Reel - TR |
| Manufacturer | Texas Instruments |
| Categories | Integrated Circuits |
| Purpose | Battery Authorization |
The bq26100 deviceprovides a method to authenticate battery packs, ensuring that only packs manufactured byauthorized sub-contractors are used in the end application. The security is achieved using theSHA-1 hash function inside the widely adopted keyed-hash message authentication code (HMAC)construction. A unique 128-bit key is stored in each bq26100 device, allowing the host to authenticate eachpack.
The bq26100 devicecommunicates to the system over a simple one-wire bi-directional serial interface. The 5-kbits/sSDQ bus interface reduces communications overhead in the external microcontroller. Thebq26100 device also derivespower over the SDQ bus line via an external capacitor.