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 I2C 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 I2C 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 器件提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。
All trademarks are the property of their respective owners.
Part number | 立即下单 | 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) | Package Group | Package size: mm2:W x L (PKG) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
BQ28Z610 |
|
1-2 Cells | Li-Ion/Li-Polymer | 14000 | I2C | 100 | None | Pack | Impedance Track |
External
Internal |
Battery Management Unit | -40 to 85 | SON | 12 | 12SON: 10 mm2: 2.5 x 4 (SON | 12) |
BQ27750 |
|
Single Cell |
Li-Ion/Li-Polymer
LiFePO4 |
14000 | I2C | 100 | None | Pack | Impedance Track | Battery Management Unit | -40 to 85 | SON | 12 | 12SON: 10 mm2: 2.5 x 4 (SON | 12) | |
BQ4050 |
|
2-4 Cells
Single Cell |
Li-Ion/Li-Polymer
LiFePO4 |
29000 | SMBus | 500 | LED | Pack | CEDV |
External
Internal |
CEDV | -40 to 85 | VQFN | 32 | 32VQFN: 16 mm2: 4 x 4 (VQFN | 32) |
BQ40Z50-R1 |
|
2-4 Cells
Single Cell |
Li-Ion/Li-Polymer
LiFePO4 |
29000 | SMBus | 100 | LED | Pack | Impedance Track |
External
Internal |
Cell Balancing
Integrated Protector SHA-1 Authentication Turbo Mode |
-40 to 85 | VQFN | 32 | 32VQFN: 16 mm2: 4 x 4 (VQFN | 32) |
BQ40Z50-R2 |
|
2-4 Cells
Single Cell |
Li-Ion/Li-Polymer
LiFePO4 |
29000 | SMBus | 100 | LED | Pack | Impedance Track |
External
Internal |
Cell Balancing
Integrated Protector SHA-1 Authentication Turbo Mode |
-40 to 85 | VQFN | 32 | 32VQFN: 16 mm2: 4 x 4 (VQFN | 32) |
BQ40Z60 | 无样片 | 2-4 Cells |
Li-Ion/Li-Polymer
LiFePO4 |
29000 | SMBus | 100 | LED |
Pack
System |
Impedance Track |
External
Internal |
Battery Management Unit
Cell Balancing Integrated Protector SHA-1 Authentication Turbo Mode |
-40 to 85 | VQFN | 32 | 32VQFN: 25 mm2: 5 x 5 (VQFN | 32) |
BQ78Z100 |
|
1-2 Cells | Li-Ion/Li-Polymer | 14000 | HDQ | 100 | None | Pack | Impedance Track |
External
Internal |
Cell Balancing
Integrated Protector SHA-1 Authentication |
-40 to 85 | SON | 12 | 12SON: 10 mm2: 2.5 x 4 (SON | 12) |