Overview
The TPS2066CDGNR-2 is a dual-channel, current-limited power-distribution switch produced by Texas Instruments. This device is part of the TPS20xxC and TPS20xxC-2 family, designed to handle heavy capacitive loads and short-circuits, making it ideal for applications such as USB power distribution. The TPS2066CDGNR-2 features a high-side N-channel MOSFET with a low on-resistance and fast overcurrent response, ensuring reliable and efficient power management.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 4.5 V to 5.5 V |
| Rated Current | 1 A |
| On-Resistance (Rds on) | 70 mΩ (Typical) |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | HVSSOP (DGN) with 8 pins |
| Turn-On Time | 2400 µs |
| Overcurrent Response Time | 2 µs (Typical) |
| Current Limit Tolerance | ±20% |
Key Features
- Dual Power Switch Family with rated currents of 0.5 A, 1 A, 1.5 A, and 2 A
- Accurate ±20% current limit tolerance
- Fast overcurrent response time of 2 µs (Typical)
- 70-mΩ (Typical) high-side N-channel MOSFET
- Deglitched fault reporting (FLTx)
- Reverse current blocking and built-in softstart
- Pin for pin compatibility with existing devices
- Configurable rise time and output discharge options
Applications
The TPS2066CDGNR-2 is designed for various power distribution applications, particularly where heavy capacitive loads and short-circuits may be encountered. Common applications include:
- USB power distribution
- Hot-swap and live insertion applications
- Power management in consumer electronics and industrial systems
- Protection against overcurrent and short-circuit conditions
Q & A
- What is the input voltage range of the TPS2066CDGNR-2?
The input voltage range is 4.5 V to 5.5 V. - What is the typical on-resistance of the TPS2066CDGNR-2?
The typical on-resistance is 70 mΩ. - What is the operating temperature range of the TPS2066CDGNR-2?
The operating temperature range is -40°C to 125°C. - What type of package does the TPS2066CDGNR-2 come in?
The device comes in an HVSSOP (DGN) package with 8 pins. - What is the turn-on time of the TPS2066CDGNR-2?
The turn-on time is 2400 µs. - Does the TPS2066CDGNR-2 have reverse current blocking?
Yes, it has reverse current blocking. - What is the overcurrent response time of the TPS2066CDGNR-2?
The overcurrent response time is 2 µs (Typical). - Is the TPS2066CDGNR-2 suitable for USB power distribution?
Yes, it is designed for USB power distribution among other applications. - Does the TPS2066CDGNR-2 have built-in softstart?
Yes, it has built-in softstart. - What is the current limit tolerance of the TPS2066CDGNR-2?
The current limit tolerance is ±20%.
