TPS22986
- 2.8 V to 19.8 V Input
- Auto Selects 3.3 V supply
- >10mA Low Power Switch
- >500mA High Power Switch
- Reverse Current Blocking from OUT to VDD
- Wake on UART Input Activity
- UART RX and TX Buffers
The TPS22986 is a supply selection device for active Thunderbolt™ cables. The device selects a 3.3V input from two available supplies and connects the chosen input to two outputs, OUTA and OUTB. When a 3.3V supply is not present, the outputs become high impedance.
The TPS22986 has two modes of operation, Normal and Control. In Normal Mode, OUTA is always on when a valid supply is present. OUTB is connected to a valid supply when the ENB input is high.
In Control Mode, OUTA behaves the same as Normal Mode and OUTB is controlled by a combination of monitored inputs and valid supplies on VDD1 and VDD2. When a valid VDD is available, the device waits for a rising input on ENB and then disconnects OUTB until the next falling RXH transition. Once the next falling RXH transition occurs, the device reconnects OUTB.
In either mode, when a valid VDD is not available, the TPS22986 opens all switches and the outputs OUTA and OUTB become high impedance. When the connected VDD exceeds 3.6V, it is disconnected from the outputs.
The TPS22986 is available in a 1.6mm x 1.6mm WCSP package.
技术文档
| 顶层文档 | 类型 | 标题 | 格式选项 | 下载最新的英语版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 数据表 | Thunderbolt Supply Selection IC, TPS22986 数据表 (Rev. A) | 2013-12-18 | |||
| 应用手册 | Load Switch Thermal Considerations (Rev. A) | 2018-10-11 | ||||
| 应用手册 | Selecting a Load Switch to Replace a Discrete Solution | 2017-4-30 | ||||
| 应用手册 | Timing of Load Switches | 2017-4-27 | ||||
| 应用手册 | Managing Inrush Current (Rev. A) | 2015-5-28 |
设计与开发
如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。
| 封装 | 引脚 | CAD 符号、封装和 3D 模型 |
|---|---|---|
| DSBGA (YFP) | 16 | Ultra Librarian |
订购和质量
推荐产品可能包含与 TI 此产品相关的参数、评估模块或参考设计。