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數(shù)據(jù): 用于 1-4 節(jié)串聯(lián)鋰離子電池組的 bq4050 CEDV 電量測量儀表和保護(hù)解決方案 數(shù)據(jù)表 (Rev. B)
德州儀器(TI)的bq4050器件采用補償放電終止電壓(CEDV)技術(shù),是一款高度集成的高精度1-4節(jié)電池電量
bq4050器件提供一個基于電池組的完全集成式解決方案,該解決方案具備閃存可編程的定制精簡指令集CPU(RISC),安全保護(hù)以及身份驗證,適用于鋰離子和鋰聚合物電池組。
bq4050電量測量儀表通過一個與SMBus兼容的接口進(jìn)行通信,并將超低功耗的高速TI bqBMP處理器,高精度模擬測量功能,集成式閃存存儲器,一組外設(shè)和通信端口,N通道FET驅(qū)動以及SHA-1身份驗證變換響應(yīng)器,融合為一個完整的高性能電池管理解決方案方案。
所有商標(biāo)均為其各自所有者的財產(chǎn)。
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Number of Series Cells |
Cell Chemistry |
Battery Capacity (Max) (mAh) |
Communication Interface |
Battery Capacity (Min) (mAh) |
External Capacity Indication |
Implementation |
Gas Gauge Algorithm |
Cell Balancing |
Features |
Operating Temperature Range (C) |
Pin/Package |
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BQ4050 | BQ27542-G1 | BQ27750 | BQ28Z610 | BQ40Z50-R1 | BQ40Z50-R2 | BQ78Z100 |
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2-4 Cells Single Cell ? ? | Single Cell ? ? | Single Cell ? ? | 1-2 Cells ? ? | 2-4 Cells Single Cell ? ? | 2-4 Cells Single Cell ? ? | 1-2 Cells ? ? |
Li-Ion/Li-Polymer LiFePO4 ? ? | Li-Ion/Li-Polymer ? ? | Li-Ion/Li-Polymer LiFePO4 ? ? | Li-Ion/Li-Polymer ? ? | Li-Ion/Li-Polymer LiFePO4 ? ? | Li-Ion/Li-Polymer LiFePO4 ? ? | Li-Ion/Li-Polymer ? ? |
29000 ? ? | 32000 ? ? | 14000 ? ? | 14000 ? ? | 29000 ? ? | 29000 ? ? | 14000 ? ? |
SMBus ? ? | HDQ I2C ? ? | I2C ? ? | I2C ? ? | SMBus ? ? | SMBus ? ? | HDQ ? ? |
500 ? ? | 100 ? ? | 100 ? ? | 100 ? ? | 100 ? ? | 500 ? ? | 100 ? ? |
LED ? ? | None ? ? | None ? ? | None ? ? | LED ? ? | LED ? ? | None ? ? |
Pack ? ? | Pack ? ? | Pack ? ? | Pack ? ? | Pack ? ? | Pack ? ? | Pack ? ? |
CEDV ? ? | Impedance Track ? ? | Impedance Track ? ? | Impedance Track ? ? | Impedance Track ? ? | Impedance Track ? ? | Impedance Track ? ? |
External Internal ? ? | N/A ? ? | N/A ? ? | External Internal ? ? | External Internal ? ? | External Internal ? ? | External Internal ? ? |
Cell Balancing Integrated Protector SHA-1 Authentication ? ? | SHA-1 Authentication ? ? | Accumulated Coulomb Count Battery Management Unit Integrated Protector SHA-1 Authentication ? ? | Battery Management Unit Cell Balancing Integrated Protector SHA-1 Authentication ? ? | Cell Balancing Integrated Protector SHA-1 Authentication Turbo Mode ? ? | Integrated Protector SHA-1 Authentication Turbo Mode ? ? | Cell Balancing Integrated Protector SHA-1 Authentication ? ? |
-40 to 85 ? ? | -40 to 85 ? ? | -40 to 85 ? ? | -40 to 85 ? ? | -40 to 85 ? ? | -40 to 85 ? ? | -40 to 85 ? ? |
32VQFN ? ? | 12SON ? ? | 12SON ? ? | 12SON ? ? | 32VQFN ? ? | 32VQFN ? ? | 12SON ? ? |