- 制造厂商:TI
- 产品类别:电源管理
- 技术类目:USB 电源开关和充电端口控制器
- 功能描述:具有输出放电功能的 USB 充电端口控制器和 2.5A 电源开关
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The TPS2540/40A and TPS2541/41A are a combination of current-limited USB port power switch with a USB 2.0 high-speed data line (D+/D-) switch and a USB charging port identification circuit. Applications include notebook PCs and other intelligent USB host devices. The wide bandwidth (2.6 GHz) data-line switch also features low capacitance and low on resistance, allowing signals to pass with minimum edge and phase distortion. The TPS2540/40A/41/41A monitors D+ and D-, providing the correct hand-shaking protocol with compliant client devices.
The TPS2540/40A/41/41A supports the following charging logic schemes:
- USB 2.0 BC1.2
- Chinese Telecom Standard YD/T 1591-2009
- Divider Mode, compliant with Apple devices such as iPod and iPhone
CTL1-CTL3 logic inputs are used to select one of the various charge modes provided by the TPS2540/40A and TPS2541/41A . These charge modes allow the host device to actively select between Dedicated Charging Port (DCP) (wall-adapter emulation), Charging Downstream Port (CDP) (active USB 2.0 data communications with 1.5-A support), or Standard Downstream Port (SDP) USB 2.0 Mode (active USB 2.0 data communications with 500-mA support). The TPS2540/40A/41/41A also integrates an auto-detect feature that supports both DCP schemes for Battery Charging Specification (BC1.2) and the Divider Mode without the need for outside user interaction.
The TPS2540A auto detect mode also has a longer detach detection time, so that it can support certain unique non-compliant devices. The TPS2540/40A/41/41A power-distribution switch is intended for applications where heavy capacitive loads and short-circuits are likely to be encountered, incorporating a 73-mΩ, N-channel MOSFET in a single package. Constant-current mode is used when the output load exceeds the current-limit threshold. ILIM_SEL logic input selects one of two current-limit thresholds, each one being individually adjustable via an external resistor. Additional USB switch features include a de-glitched output fault reporting (FAULT), and a logic-level enable EN (TPS2540/40A) or OUT discharge control DSC (TPS2541). With the TPS2540/40A, the mode “000” is used to force an output discharge.
- Meets Battery Charging Specification BC1.2 for DCP and CDP
- Meets Chinese Telecommunications Industry Standard YD/T 1591-2009
- Supports Sleep-Mode Charging for Most Available Apple Devices and/or BC1.2 Compliant Devices
- Compatible With USB 2.0 and 3.0 Power Switch Requirements
- 2.6-GHz Bandwidth USB 2.0 Data Switch
- 73-mΩ (typ.) High-Side MOSFET
- Adjustable Current Limit up to 2.8 A (typical)
- OUT Discharge Through CTLx=000 (TPS2540/40A) or DSC (TPS2541/41A) Input
- Longer Detach Detection Time (TPS2540A/41A) Supporting Additional Legacy Devices
- Available in 16-Pin QFN Package
- Vin (Min) (V)
- 4.5
- Vin (Max) (V)
- 5.5
- Continuous current (Max) (A)
- 2.5
- Current limit (A)
- 0.25 to 2.7
- Product type
- Charge port controller
- Operating temperature range (C)
- -40 to 85
- Enable
- Active High
- Number of switches
- 1
- Rating
- Catalog
TPS2541A的完整型号有:TPS2541ARTER、TPS2541ARTET,以下是这些产品的关键参数及官网采购报价:
TPS2541ARTER,工作温度:-40 to 85,封装:WQFN (RTE)-16,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS2541ARTER的批量USD价格:.634(1000+)
TPS2541ARTET,工作温度:-40 to 85,封装:WQFN (RTE)-16,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网TPS2541ARTET的批量USD价格:.761(1000+)
TPS2540EVM-623 — TPS254x USB 充电端口电源开关和控制器的评估模块
TPS2540EVM-623 是一块完全组装且经过测试的电路板,用于评估 TPS254x USB 充电端口电源开关和控制器。TUSB8040AEVM — TUSB8040A 评估模块
TUSB8040AEVM 板是用于四端口 SuperSpeed USB (USB 3.0) 集线器的独立式参考设计。它用于评估系统兼容性。要评估 SuperSpeed 数据传输,需要启用 SuperSpeed 的主机系统和电缆。TUSB8040AEVM 将作为 USB 2.0 集线器与 USB 2.0 主机系统结合使用。无需软件即可启用此器件。此电路板适用于任何内置 USB 集线器类支持的操作系统。