BQ32000
- Automatic Switchover to Backup Supply
- I2C Interface Supports Serial Clock up to 400 kHz
- Uses 32.768-kHz Crystal With –63-ppm to
+126-ppm Adjustment - Integrated Oscillator-Fail Detection
- 8-Pin SOIC Package
- –40°C to 85°C Ambient Operating Temperature
The bq32000 device is a compatible replacement for industry standard real-time clocks.
The bq32000 features an automatic backup supply with integrated trickle charger. The backup supply can be implemented using a capacitor or non-rechargeable battery. The bq32000 has a programmable calibration adjustment from –63 ppm to +126 ppm. The bq32000 registers include an OF (oscillator fail) flag indicating the status of the RTC oscillator, as well as a STOP bit that allows the host processor to disable the oscillator. The time registers are normally updated once per second, and all the registers are updated at the same time to prevent a timekeeping glitch. The bq32000 includes automatic leap-year compensation.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | bq32000 Real-Time Clock (RTC) datasheet (Rev. E) | PDF | HTML | 2015年 8月 31日 |
| Application note | BQ32002 APIs for Tiva | 2014年 1月 28日 |
設計與開發
如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。
BQ32KSW-LINUX — 適用於 BQ32K 的 Linux 驅動程式
Linux Mainline Status
Available in Linux Main line: Yes
Available through git.ti.com: N/A
- bq32000
The files associated (...)
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
TIDA-010253 — Battery control unit reference design for energy storage systems
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
- 晶圓廠位置
- 組裝地點
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。