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TPS2549RTER
+物料清單IC PWR SWITCH N-CHAN 1:1 16WQFN
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製造商德州儀器
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製造商部分 #TPS2549RTER
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有存貨1884
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規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| SwitchType | USB Switch |
| NumberofOutputs | 1 |
| Ratio-Input:Output | 1:1 |
| OutputConfiguration | High Side |
| OutputType | N-Channel |
| Interface | On/Off |
| Voltage-Load | 4.5V ~ 6.5V |
| Voltage-Supply(Vcc/Vdd) | Not Required |
| Current-Output(Max) | 3A |
| RdsOn(Typ) | 47mOhm |
| InputType | Non-Inverting |
| Features | Load Discharge, Status Flag |
| FaultProtection | Current Limiting (Adjustable), Over Temperature, Over Voltage, UVLO |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 16-WQFN (3x3) |
概述
Description
Key features of the TPS2549RTER include adjustable current limits, a wide input voltage range, and integrated current-sensing capabilities. It also provides protection features such as over-current, over-temperature, and short-circuit protection, enhancing the reliability and safety of the application.
The device operates in multiple modes, including Dedicated Charging Port (DCP), Charging Downstream Port (CDP), and Standard Downstream Port (SDP), allowing flexibility in various applications. The TPS2549RTER is typically used in applications like automotive infotainment systems, consumer electronic chargers, and any product requiring USB power management. Its compact VQFN package makes it suitable for space-constrained designs.
Equivalent
1. TPS2546 - Also from TI, with similar functionalities.
2. Microchip's UCS1002 - Offers a comparable feature set for USB charging.
3. Diodes Incorporated's AP2521B - Serves as a USB power switch and charging port controller.
4. Fairchild's FAN3989 - Another potential alternative for USB charging applications.
These alternatives provide similar functionalities in managing power and data for USB ports.
Features
1. Intelligent Detection: Supports the USB Battery Charging Specification BC1.2, as well as Chinese Telecommunication Industry Standard YD/T 1591-2009, and other proprietary charging modes.
2. Adjustable Current Limit: Provides a programmable current limit up to 3.3 A, enhancing flexibility in various applications.
3. Dynamic Thermal Management: Offers thermal sensing and protection to prevent overheating.
4. Port Power Management (PPM): Optimizes power distribution to connected devices based on their requirements.
5. Power Switch: Integrates a power switch with low on-resistance.
6. SMBus/I2C Interface: Allows communication and programmability for enhanced control and monitoring.
7. Protection Features: Includes overcurrent, overtemperature, short-circuit, and reverse voltage protection to ensure device safety.
8. Energy Efficient: Supports low power consumption in standby mode.
These features make the TPS2549RTER suitable for efficiently managing power delivery and charging in various consumer electronics.
Pinout
Key functions of the TPS2549RTER include:
1. Dedicated Charging Port (DCP) Detection: Supports BC1.2, Apple, Samsung, and other proprietary charging schemes.
2. Power Switch: Controls power delivery to the USB port with a high-efficiency power switch.
3. Adjustable Current Limit: Allows setting the maximum current output.
4. Load Detection: Enables automatic port power management based on load presence.
5. Thermal Protection: Includes thermal shutdown features to prevent overheating.
6. Under-voltage Lockout (UVLO): Ensures the device operates only when the supply voltage is adequate.
The combination of these features allows the TPS2549RTER to effectively manage power and data protocols for USB charging applications, making it suitable for use in automotive infotainment systems, notebooks, and various consumer electronics.