Overview
The TPS2065DBVT is a power-distribution switch from Texas Instruments, designed for applications where heavy capacitive loads and short circuits are common. This device is part of the TPS206x family and is particularly suited for use in USB ports, laptops, desktops, high-definition digital TVs, and set-top boxes. The TPS2065DBVT features a 70mΩ high-side N-channel MOSFET power switch, enabling it to handle continuous currents up to 1 A. It includes built-in protection mechanisms such as thermal and short-circuit protection, accurate current limiting, and undervoltage lockout, ensuring reliable operation under various conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 2.7 | 5.5 | V | |
| Continuous Output Current | 1 | A | ||
| On-State Resistance (RDS(on)) | 96 | 110 | 130 | mΩ |
| Current Limit (IOS) | 1.3 | 1.55 | 1.8 | A |
| Supply Current (ISD), Switch Disabled | 0.01 | 1 | μA | |
| Supply Current (ISE), Switch Enabled | 60 | 70 | 85 | μA |
| Ambient Temperature Range | -40 | 85 | °C | |
| Rise Time | 0.6 | ms | ||
| Overcurrent Response Time | 2 | μs |
Key Features
- 70mΩ high-side N-channel MOSFET power switch
- Continuous output current up to 1 A
- Thermal and short-circuit protection
- Accurate current limit (1.1A min, 1.9A max)
- Operating range: 2.7V to 5.5V
- 0.6ms typical rise time
- Undervoltage lockout
- Deglitched fault report (OC)
- No OC glitch during power up
- 1μA maximum standby supply current
- Bidirectional switch
- Ambient temperature range: -40°C to 85°C
- Built-in soft-start
- UL listed - file no. E169910
Applications
- USB ports and hubs
- Laptops and desktops
- High-definition digital TVs
- Set-top boxes
- Short circuit protection
- Heavy capacitive loads
Q & A
- What is the maximum continuous output current of the TPS2065DBVT?
The TPS2065DBVT can continuously deliver up to 1 A output current.
- What is the operating voltage range of the TPS2065DBVT?
The device operates within a voltage range of 2.7V to 5.5V.
- What kind of protection mechanisms does the TPS2065DBVT have?
The device features thermal and short-circuit protection, accurate current limiting, and undervoltage lockout.
- What is the typical rise time of the TPS2065DBVT?
The typical rise time is 0.6 ms.
- Does the TPS2065DBVT have built-in soft-start capability?
- What is the ambient temperature range for the TPS2065DBVT?
The ambient temperature range is -40°C to 85°C.
- Is the TPS2065DBVT UL listed?
- What type of MOSFET does the TPS2065DBVT use?
The device uses a 70mΩ high-side N-channel MOSFET power switch.
- How does the TPS2065DBVT handle overcurrent conditions?
The device has a fast overcurrent response time of 2 μs and provides deglitched fault reporting.
- What is the standby supply current of the TPS2065DBVT?
The maximum standby supply current is 1 μA.
