Overview
The TPS2330IPWR, produced by Texas Instruments, is a single-channel high-side MOSFET driver designed for hot-swap power management applications. This device is part of the TPS2330 and TPS2331 family, which are highly versatile and feature-rich controllers. The TPS2330IPWR is specifically tailored for use in environments where precise control over power switching, overcurrent protection, and power-good reporting are critical. It operates with an input voltage range of 3 V to 13 V and is available in a 14-pin SOIC package.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|
| Input Voltage (VI) | 3 | - | 13 | V | Operating input voltage range |
| Enable Input Voltage (VIH/VIH) | 0.7 | - | 2 | V | High and low levels for enable input |
| Standby Supply Current | - | - | 5 | μA | Maximum standby supply current |
| Ambient Temperature Range | -40 | - | 85 | °C | Operating temperature range |
| Gate Voltage | 9 | - | 12 | V | Gate-to-source voltage across the external MOSFET |
| Discharge Current (DISCH) | 5 | 10 | - | mA | Discharge current when DISCH is active |
| Power-Good Output Leakage Current | - | - | 1 | μA | Leakage current of the power-good output |
Key Features
- Output dV/dt Control: Limits inrush current and reduces power transients during power-up and power-down.
- Circuit-Breaker Functionality: Programmable overcurrent threshold and transient timer to protect against overcurrent conditions.
- Power-Good Reporting: With transient filter to ensure accurate reporting of the output voltage status.
- CMOS- and TTL-Compatible Enable Input: Active-low (TPS2330) or active-high (TPS2331) enable input for flexible control.
- Low Standby Supply Current: Maximum of 5 μA to minimize power consumption in standby mode.
- Undervoltage Lockout (UVLO): Monitors the voltage on the VREG pin to prevent undervoltage operation.
- Internal Charge Pump: Generates gate-to-source voltages of 9 V to 12 V to fully enhance the N-channel MOSFETs.
- Electrostatic Discharge Protection: Built-in protection to safeguard the device against electrostatic discharge.
Applications
- Hot-Swap/Plug/Dock Power Management: Ideal for applications where power needs to be managed dynamically without disrupting the system.
- Hot-Plug PCI, Device Bay: Suitable for environments where devices are frequently inserted or removed, such as in PCI slots or device bays.
- Electronic Circuit Breaker: Used in designs that require automatic shutdown in case of overcurrent conditions to protect the system.
Q & A
- What is the input voltage range of the TPS2330IPWR?
The input voltage range is from 3 V to 13 V.
- What is the purpose of the internal charge pump in the TPS2330IPWR?
The internal charge pump generates gate-to-source voltages of 9 V to 12 V to fully enhance the N-channel MOSFETs.
- How does the circuit-breaker functionality work in the TPS2330IPWR?
The circuit-breaker functionality combines overcurrent sensing with a timer function, allowing the device to latch off in case of sustained overcurrent conditions.
- What is the standby supply current of the TPS2330IPWR?
The maximum standby supply current is 5 μA.
- What is the operating temperature range of the TPS2330IPWR?
The operating temperature range is from -40°C to 85°C.
- How does the power-good reporting feature work in the TPS2330IPWR?
The power-good reporting feature uses a transient filter to ensure accurate reporting of the output voltage status.
- What is the purpose of the undervoltage lockout (UVLO) feature in the TPS2330IPWR?
The UVLO feature monitors the voltage on the VREG pin to prevent undervoltage operation and ensures the external MOSFET remains off during undervoltage conditions.
- Can the TPS2330IPWR be used in hot-plug PCI applications?
Yes, it is suitable for hot-plug PCI and device bay applications where dynamic power management is required.
- How does the discharge function work in the TPS2330IPWR?
The discharge function is controlled by the DISCH pin, which discharges the load when the MOSFET transistor is disabled.
- What type of package is the TPS2330IPWR available in?
The TPS2330IPWR is available in a 14-pin SOIC package.
