Overview
The TPS2066CDGN is a dual-channel, current-limited power-distribution switch from Texas Instruments. This component is part of the TPS20xxC family, designed to handle heavy capacitive loads and short-circuits, making it ideal for applications such as USB ports, hubs, laptops, and desktops. The device operates within a voltage range of 4.5 V to 5.5 V and features a high-side N-channel MOSFET with a typical on-resistance of 70 mΩ. It is packaged in an 8-pin HVSSOP (DGN) package, ensuring compact and efficient integration into various electronic systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Continuous Current (Max) | 1.0 | A |
| Current Limit Topology | Constant-Current | |
| Enable | Active High | |
| Number of Switches | 2 | |
| Operating Temperature Range | -40 to 85 | °C |
| Package Type | HVSSOP (DGN) | |
| Package Size | 3 mm x 3 mm | |
| Pin Count | 8 | |
| On-Resistance (rDS(on)) | 70 mΩ | |
| Vin (Max) | 5.5 V | |
| Vin (Min) | 4.5 V |
Key Features
- Dual Power Switch Family
- Rated Currents of 0.5 A, 1 A, 1.5 A, 2 A
- Accurate ±20% Current Limit Tolerance
- Fast Overcurrent Response (2 µs Typical)
- 70-mΩ (Typical) High-Side N-Channel MOSFET
- Deglitched Fault Reporting (FLTx)
- Reverse Current Blocking
- Built-in Softstart
- Pin for Pin Compatibility with Existing Devices
- Ambient Temperature Range: -40°C to 85°C
Applications
- USB Ports or Hubs
- Laptops and Desktops
- High-Definition Digital TVs
- Set Top Boxes
- Short Circuit Protection in various electronic devices
Q & A
- What is the operating voltage range of the TPS2066CDGN?
The operating voltage range is 4.5 V to 5.5 V. - How many channels does the TPS2066CDGN have?
The device has two channels. - What is the typical on-resistance of the TPS2066CDGN?
The typical on-resistance is 70 mΩ. - What is the maximum continuous current for the TPS2066CDGN?
The maximum continuous current is 1.0 A. - What type of package does the TPS2066CDGN use?
The device is packaged in an 8-pin HVSSOP (DGN) package. - Is the TPS2066CDGN RoHS compliant?
Yes, the TPS2066CDGN is RoHS compliant. - What is the operating temperature range of the TPS2066CDGN?
The operating temperature range is -40°C to 85°C. - Does the TPS2066CDGN have built-in overcurrent protection?
Yes, it has fast overcurrent response and operates in a constant-current mode when the output load exceeds the current-limit threshold. - What is the purpose of the FLT pins on the TPS2066CDGN?
The FLT pins are used for deglitched fault reporting, indicating overcurrent or overtemperature conditions. - Is the TPS2066CDGN recommended for new designs?
Yes, it is recommended for new designs and has an active lifecycle status.
