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BQ2022A
- 1024 bits of one-time programmable (OTP) EPROM for storage of user-programmable configuration data
- Factory-programmed unique 64-bit identification number
- Single-wire interface to reduce circuit board routing
- Synchronous communication reduces host interrupt overhead
- 15-KV IEC 61000-4-2 ESD compliance on data pin
- No standby power required
- Available in a 3-pin SOT-23 package and TO-92 package
The BQ2022A is a 1-Kbit serial EPROM containing a factory-programmed, unique 48-bit identification number, 8-bit CRC generation, and the 8-bit family code (09h). A 64-bit status register controls write protection and page redirection.
The BQ2022A SDQ™ interface requires only a single connection and a ground return. The DATA pin is also the sole power source for the BQ2022A.
The small surface-mount package options saves printed-circuit-board space, while the low cost makes it ideal for applications such as battery pack configuration parameters, record maintenance, asset tracking, product-revision status, and access-code security.
技術文件
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檢視所有 4 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | BQ2022A 1-Kbit Serial EPROM with SDQ Interface datasheet (Rev. F) | PDF | HTML | 2022年 1月 31日 |
| User guide | BQ2022A Evaluation Software (Rev. C) | 2021年 2月 5日 | ||
| Application note | Battery Authentication and Security Schemes (Rev. A) | 2014年 7月 17日 | ||
| Analog Design Journal | Improving Battery Safety, Charging, and Fuel Gauging in Portable Media Apps | 2009年 3月 11日 |
設計與開發
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開發板
BQ2022AEVM-001 — BQ2022A 評估模組
The bq2022A is a 1 K-bit serial EPROM containing a factory-programmed, unique 48-bit identification number, 8-bit CRC generation, and an 8-bit family code. A 64-bit status register controls write protection and page redirection. The purpose of the evaluation software is to demonstrate the (...)
使用指南: PDF
| 封裝 | 引腳 | 下載 |
|---|---|---|
| SOT-23 (DBZ) | 3 | 檢視選項 |
| TO-92 (LP) | 3 | 檢視選項 |
訂購與品質
內含資訊：
- 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
- 資格摘要
- 進行中可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點