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数据: bq28z610 用于 1-2 节串联锂离子电池组的Impedance Track™ 电量监测计和保护解决方案 数据表 (Rev. C)
德州仪器(TI)的bq28z610器件是一款高度集成且精密的1-2节串联电池电量监测计和保护解决方案,具备自主充电器控制和电量均衡功能。
bq28z610器件可通过对充电电流和电压信息进行主模式I 2 C广播来实现自主充电控制,从而减少通常在系统主控制器中产生的软件开销。
bq28z610器件提供了一套基于电池组的全集成解决方案,其具有闪存可编程的定制精简指令集CPU(RISC),安全保护以及认证功能,适用于1-2节锂离子和锂聚合物电池组。
bq28z610电量监测计通过I 2 C兼容接口进行通信,并将超低功耗的高速德州仪器(TI)bqBMP处理器,高精度模拟测量功能,集成闪存,大量的外设和通信端口,N沟道FET驱动器以及SHA-1认证转换响应器完美融合于一套完整的高性能电池管理解决方案。
bq28z610器件供有大量的电池和系统安全功能,其中包括针对电池的放电过流,充电短路和放电短路功能,针对N沟道FET的FET保护,内部AFE看门狗以及电池均衡功能。该器件可通过固件添加更多保护特性,例如过压,欠压,过热等。
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 |
BQ28Z610 | BQ27542-G1 | BQ27750 | BQ4050 | BQ40Z50-R1 | BQ40Z50-R2 | BQ78Z100 |
---|---|---|---|---|---|---|
1-2 Cells | Single Cell | Single Cell | 2-4 Cells Single Cell | 2-4 Cells Single Cell | 2-4 Cells Single Cell | 1-2 Cells |
Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer LiFePO4 | Li-Ion/Li-Polymer LiFePO4 | Li-Ion/Li-Polymer LiFePO4 | Li-Ion/Li-Polymer LiFePO4 | Li-Ion/Li-Polymer |
14000 | 32000 | 14000 | 29000 | 29000 | 29000 | 14000 |
I2C | HDQ I2C | I2C | SMBus | SMBus | SMBus | HDQ |
100 | 100 | 100 | 500 | 100 | 500 | 100 |
None | None | None | LED | LED | LED | None |
Pack | Pack | Pack | Pack | Pack | Pack | Pack |
Impedance Track | Impedance Track | Impedance Track | CEDV | Impedance Track | Impedance Track | Impedance Track |
External Internal | N/A | N/A | External Internal | External Internal | External Internal | External Internal |
Battery Management Unit Cell Balancing Integrated Protector SHA-1 Authentication | SHA-1 Authentication | Accumulated Coulomb Count Battery Management Unit Integrated Protector SHA-1 Authentication | 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 |
12SON | 12SON | 12SON | 32VQFN | 32VQFN | 32VQFN | 12SON |