Overview
The TPS2556DRBR is a power distribution switch produced by Texas Instruments, designed to provide precise current limiting and overcurrent protection in electronic systems. This compact and efficient device is part of Texas Instruments' portfolio of power management solutions, targeting applications in consumer electronics, industrial automation, and portable devices. Its unique selling points include adjustable current limit, low quiescent current, and robust thermal protection, making it a competitive choice for modern power distribution needs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2.7 to 5.5 | V | |
| Continuous Current Limit | Adjustable, up to 2.5 | A | |
| Quiescent Current | 40 | µA | Typical |
| Operating Temperature Range | -40 to 85 | °C | |
| Package | SON-8 | DRB (2mm x 2mm) | |
| Enable Threshold | 1.5 | V | Typical |
| Reverse Current Blocking | Yes | ||
| Thermal Shutdown | Yes |
Key Features
- Adjustable Current Limit: Allows precise control over current thresholds to protect downstream components.
- Low Quiescent Current: Ensures minimal power consumption during standby or idle modes.
- Thermal Shutdown Protection: Prevents damage from overheating by disabling the switch during excessive temperature conditions.
- Reverse Current Blocking: Protects the system from damage due to reverse current flow.
- Compact Package: The SON-8 package (2mm x 2mm) is ideal for space-constrained designs.
Applications
The TPS2556DRBR is widely used in various applications, including:
- Portable Devices: Provides reliable power distribution in smartphones, tablets, and wearables.
- Industrial Automation: Ensures safe and efficient power management in control systems and sensors.
- Consumer Electronics: Protects USB ports, peripherals, and other sensitive components from overcurrent conditions.
- Automotive Electronics: Supports power distribution in infotainment systems and other automotive applications.
Q & A
1. What is the input voltage range of the TPS2556DRBR?
The input voltage range is 2.7V to 5.5V.
2. Can the current limit be adjusted?
Yes, the current limit is adjustable up to 2.5A.
3. Does the TPS2556DRBR support reverse current blocking?
Yes, it includes reverse current blocking to protect the system.
4. What is the quiescent current of the device?
The typical quiescent current is 40µA.
5. What package does the TPS2556DRBR use?
It uses a SON-8 package (2mm x 2mm).
6. Is thermal shutdown protection included?
Yes, thermal shutdown protection is integrated to prevent overheating.
7. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
8. Can the TPS2556DRBR be used in automotive applications?
Yes, it is suitable for automotive electronics, such as infotainment systems.
9. What is the enable threshold voltage?
The typical enable threshold voltage is 1.5V.
10. Is the TPS2556DRBR suitable for portable devices?
Yes, it is ideal for portable devices like smartphones and wearables due to its compact size and low power consumption.
