Overview
The TPS2066CDGN-2 is a dual-channel power distribution switch from Texas Instruments, designed for applications where reliable power management is crucial, such as in USB ports, hubs, laptops, and other devices that may encounter heavy capacitive loads and short-circuits. This device is part of the TPS20xxC and TPS20xxC-2 family, which offers multiple devices with fixed current-limit thresholds ranging from 0.5 A to 2 A. The TPS2066CDGN-2 specifically supports a continuous current of 1 A and operates within a voltage range of 4.5 V to 5.5 V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Product Category | Power Switch ICs - Power Distribution | |
| Number of Outputs | 2 | |
| Output Current | 1 | A |
| Current Limit | 1.61 | A |
| On Resistance - Max | 70 | mΩ |
| Operating Supply Voltage | 4.5 to 5.5 | V |
| Minimum Operating Temperature | -40 | °C |
| Maximum Operating Temperature | 125 | °C |
| Mounting Style | SMD/SMT | |
| Package / Case | HVSSOP (DGN)-8 | |
| Enable | Active High | |
| Current Limit Accuracy at 1 A | ±20% |
Key Features
- MOSFET Driver with Softstart and Overcurrent Protection
- Fault Tolerant Logic and Error Reporting
- Digital Power Management Control and Alerting
- Error Detection and Signaling with LED Indication
- Automated Power Cycling and Recovery with Thermal Shutdown
- Pulse Width Modulation with Overcurrent Protection and Softstart
- Dual Power Switch Family with 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
- Reverse Current Blocking
- Built-in Softstart
- Deglitched Fault Reporting (FLTx)
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 TPS2066CDGN-2 used for?
The TPS2066CDGN-2 is used for power distribution in applications such as USB ports, laptops, and other devices that may encounter heavy capacitive loads and short-circuits.
- What is the operating voltage range of the TPS2066CDGN-2?
The operating voltage range of the TPS2066CDGN-2 is from 4.5 V to 5.5 V.
- What is the maximum output current of the TPS2066CDGN-2?
The maximum output current of the TPS2066CDGN-2 is 1 A.
- What is the current limit accuracy of the TPS2066CDGN-2?
The current limit accuracy of the TPS2066CDGN-2 is ±20%.
- How does the TPS2066CDGN-2 handle overcurrent conditions?
The TPS2066CDGN-2 limits the output current to a safe level by operating in a constant-current mode when the output load exceeds the current-limit threshold, and it has a fast overcurrent response time of 2 µs (Typical).
- What is the on-resistance of the TPS2066CDGN-2?
The on-resistance of the TPS2066CDGN-2 is 70 mΩ (Typical).
- Does the TPS2066CDGN-2 have built-in softstart and thermal shutdown?
Yes, the TPS2066CDGN-2 has built-in softstart and thermal shutdown features.
- What is the package type of the TPS2066CDGN-2?
The TPS2066CDGN-2 comes in an HVSSOP (DGN) package with 8 pins.
- What is the operating temperature range of the TPS2066CDGN-2?
The operating temperature range of the TPS2066CDGN-2 is from -40°C to 125°C.
- Does the TPS2066CDGN-2 support reverse current blocking?
Yes, the TPS2066CDGN-2 supports reverse current blocking.
- How does the TPS2066CDGN-2 handle fault reporting?
The TPS2066CDGN-2 features deglitched fault reporting (FLTx) and error detection with LED indication.
