Overview
The TPS2002CDRCR is a dual-channel, current-limited power switch produced by Texas Instruments. This device is designed to manage power distribution in various electronic systems, particularly where high reliability and protection against overcurrent conditions are crucial. The TPS2002CDRCR features a high-side N-channel MOSFET with a low on-resistance, making it suitable for applications requiring efficient power switching.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage (VIN) | 4.5 | - | 5.5 | V |
| Continuous Output Current (IOUTx) | - | - | 2 | A |
| On-Resistance (rDS(on)) | 70 | 84 | 95 | mΩ |
| Current Limit (IOS) | 2.55 | 3.15 | 3.77 | A |
| Short-Circuit Response Time (tIOS) | - | 2 | - | µs |
| Operating Junction Temperature (TJ) | -40 | - | 125 | °C |
| Supply Current (ISD), Switch Disabled | 0.01 | - | 1 | µA |
| Supply Current (IS1E), Single Switch Enabled | 60 | - | 75 | µA |
| Supply Current (IS2E), Both Switches Enabled | 100 | - | 120 | µA |
Key Features
- Accurate ±20% Current Limit Tolerance: Ensures predictable fault current under all conditions.
- Fast Overcurrent Response – 2 µs (Typical): Quickly responds to overcurrent conditions to protect the system.
- 70-mΩ (Typical) High-Side N-Channel MOSFET: Low on-resistance for efficient power switching.
- Operating Range: 4.5 V to 5.5 V: Suitable for a variety of power supply voltages.
- Deglitched Fault Reporting (FLTx): Provides reliable fault reporting without false triggers.
- Reverse Current Blocking: Prevents backflow of current, enhancing system safety.
- Built-in Softstart: Reduces current surges during turn-on.
- Output Discharge: Active-low output discharge capability for safe shutdown.
Applications
- USB Power Distribution: Ideal for managing power in USB ports where heavy capacitive loads and short-circuits may occur.
- Industrial Automation: Suitable for power management in industrial control systems requiring high reliability.
- Consumer Electronics: Used in various consumer electronics for efficient and safe power distribution.
- Medical Devices: Applicable in medical devices where precise power control and safety are critical.
Q & A
- What is the maximum continuous output current of the TPS2002CDRCR?
The maximum continuous output current is 2 A.
- What is the typical on-resistance of the TPS2002CDRCR?
The typical on-resistance is 84 mΩ.
- What is the short-circuit response time of the TPS2002CDRCR?
The short-circuit response time is typically 2 µs.
- What is the operating voltage range of the TPS2002CDRCR?
The operating voltage range is from 4.5 V to 5.5 V.
- Does the TPS2002CDRCR have built-in fault reporting?
Yes, it features deglitched fault reporting (FLTx).
- Is the TPS2002CDRCR protected against reverse current?
Yes, it has reverse current blocking capability.
- What is the purpose of the built-in softstart feature?
The built-in softstart reduces current surges during turn-on.
- Does the TPS2002CDRCR support output discharge?
Yes, it has active-low output discharge capability.
- What are some common applications of the TPS2002CDRCR?
Common applications include USB power distribution, industrial automation, consumer electronics, and medical devices.
- What is the operating junction temperature range of the TPS2002CDRCR?
The operating junction temperature range is from -40°C to 125°C.
