Overview
The TPS2003C, produced by Texas Instruments, is a dual-channel, 2A current-limited power switch designed for USB ports and other high-current applications. This device features active-high enable, output discharge when disabled, and reverse blocking to prevent backflow of current. It is suitable for a wide range of applications including USB hubs, laptops, desktops, and other consumer electronics.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Voltage Range on IN, OUTx, ENx | -0.3 | 6 | V | |
| Maximum Junction Temperature, TJ | Internally Limited | °C | ||
| Storage Temperature, Tstg | -65 | 150 | °C | |
| On-Resistance (rDS(on)) | 70 | 84 | 95 | mΩ |
| Current Limit (IOS) | 2.55 | 3.15 | 3.77 | A |
| Supply Current (ISD), Switch Disabled | 0.01 | 1 | µA | |
| Supply Current (IS1E), Single Switch Enabled | 60 | 75 | µA | |
| Turnon Time | 1.4 | 1.9 | 2.4 | ms |
| Turnoff Time | 1.95 | 2.60 | 3.25 | ms |
Key Features
- Active-high enable for easy integration into existing designs.
- Output discharge when disabled to prevent voltage from being trapped in the load.
- Reverse blocking to prevent backflow of current.
- Short-circuit protection with current limiting.
- Low on-resistance (rDS(on)) of 70 mΩ to 95 mΩ.
- Operating temperature range from -40°C to 85°C.
- Available in various packages including SON-10, MSOP-8, and SOIC-8.
Applications
- USB ports and hubs.
- Laptops and desktops.
- High-definition digital TVs.
- Set-top boxes.
- Other consumer electronics requiring high-current power switching.
Q & A
- What is the TPS2003C used for? The TPS2003C is used as a dual-channel power switch for high-current applications such as USB ports, laptops, and other consumer electronics.
- What are the key features of the TPS2003C? Key features include active-high enable, output discharge when disabled, reverse blocking, short-circuit protection, and low on-resistance.
- What is the current limit of the TPS2003C? The current limit of the TPS2003C is 2.55 A to 3.77 A.
- What are the operating temperature ranges for the TPS2003C? The operating temperature range is from -40°C to 85°C.
- What packages is the TPS2003C available in? The TPS2003C is available in SON-10, MSOP-8, and SOIC-8 packages.
- How does the TPS2003C protect against short circuits? The TPS2003C features short-circuit protection with current limiting to prevent damage from overcurrent conditions.
- What is the on-resistance of the TPS2003C? The on-resistance (rDS(on)) of the TPS2003C is 70 mΩ to 95 mΩ.
- Can the TPS2003C be used in safety-critical applications? It is important to consult the datasheet and relevant documentation to ensure the device meets the requirements for safety-critical applications.
- How do I enable and disable the TPS2003C? The TPS2003C is enabled with an active-high signal on the ENx pin and disabled when the ENx pin is low.
- What is the turnon and turnoff time of the TPS2003C? The turnon time is 1.4 ms to 2.4 ms, and the turnoff time is 1.95 ms to 3.25 ms.
