Overview
The TPS27082LDDCR is a high-performance power switch from Texas Instruments, designed for reliable power management in various applications. This device integrates a Power PFET and a control circuit in a compact TSOT-23 package. It is optimized for low ON-state quiescent current and low OFF-state leakage, enhancing system power efficiency. The TPS27082LDDCR features a configurable turn-on and turn-off slew rate, fast transient isolation, and a robust logic interface with hysteresis, making it suitable for applications requiring precise voltage regulation and protection.
Key Specifications
| Parameter | Value |
|---|---|
| Number of channels | 1 |
| VIN (min) (V) | 1.2 |
| VIN (max) (V) | 8 |
| IMAX (A) | 3 |
| RON (typ) (mΩ) | 32-155 (dependent on VGS) |
| Shutdown current (ISD) (typ) (µA) | 0.15 |
| Soft start | Adjustable Rise Time |
| Current limit type | None |
| Operating temperature range (°C) | -40 to 125 |
| Package | SOT-23-6 Thin (TSOT-23-6) |
Key Features
- High Voltage Tolerance up to 8 V: Provides robust voltage regulation and protection in high-voltage applications.
- Fast Turn-Off Time for Reduced EMI: Minimizes electromagnetic interference (EMI) and ensures reliable operation in noisy environments.
- Low Input Current Drain for Power Savings: Reduces power consumption and minimizes heat generation, making it suitable for battery-powered applications.
- Robust Gate Control with Hysteresis: Offers precise control over the output voltage and ensures stable operation in varying input conditions.
- Excellent Surge Immunity Against ESD: Fully protected against ESD (HBM 2000 V, CDM 500 V).
- Ultra-Low ON-State Quiescent Current: Down to 1.2 µA, optimizing system power efficiency.
- Configurable Turn-On and Turn-Off Slew Rate: Helps reduce or eliminate power supply droop due to large inrush currents.
- Fast Transient Isolation: Prevents PMOS from turning ON during fast transients at the VIN pin when the load switch is in the OFF-state.
Applications
- Industrial Control Systems: Suitable for applications requiring precise voltage regulation and protection.
- Battery Chargers and Power Supplies: Ideal for power management in battery-powered devices.
- Automotive Systems: Suitable for use in automotive systems where high-performance power management and robust voltage regulation are required.
- Medical Devices: Used in medical devices where reliable and efficient power management is critical.
- Power Sequencing and Controls: Used in applications requiring multiple voltage inputs to be applied simultaneously or in a certain sequence.
- Portable Power Switches: Suitable for applications where low power consumption and high reliability are essential.
Q & A
- Q: What is the maximum input voltage tolerance of the TPS27082LDDCR?
A: The TPS27082LDDCR has a maximum input voltage tolerance of 8 V.
- Q: Can the TPS27082LDDCR be used in automotive systems?
A: Yes, the TPS27082LDDCR is suitable for use in automotive systems where high-performance power management and robust voltage regulation are required.
- Q: What is the typical ON-state resistance of the TPS27082LDDCR?
A: The typical ON-state resistance (RON) of the TPS27082LDDCR varies from 32 mΩ to 155 mΩ depending on the VGS.
- Q: How does the TPS27082LDDCR handle fast transients at the VIN pin?
A: The TPS27082LDDCR features a novel OFF isolation circuit that prevents PMOS from turning ON during fast transients at the VIN pin when the load switch is in the OFF-state.
- Q: What is the operating temperature range of the TPS27082LDDCR?
A: The operating temperature range of the TPS27082LDDCR is -40°C to 125°C.
- Q: How does the TPS27082LDDCR support power sequencing?
A: The TPS27082LDDCR can be configured to delay the rise time of the output voltage, allowing for power sequencing in applications where multiple voltage inputs need to be applied in a specific order.
- Q: What is the package type of the TPS27082LDDCR?
A: The TPS27082LDDCR comes in a SOT-23-6 Thin (TSOT-23-6) package.
- Q: Does the TPS27082LDDCR have ESD protection?
A: Yes, the TPS27082LDDCR is fully protected against ESD (HBM 2000 V, CDM 500 V).
- Q: How does the TPS27082LDDCR interface with low voltage GPIOs?
A: The TPS27082LDDCR supports direct interfacing to low voltage GPIOs down to 1 V and level shifts the ON/OFF logic signal to VIN levels without requiring an external level shifter.
- Q: What is the typical shutdown current of the TPS27082LDDCR?
A: The typical shutdown current (ISD) of the TPS27082LDDCR is 0.15 µA.
