Overview
The TPS2330IPWRG4, produced by Texas Instruments, is a single-channel hot-swap controller designed to manage power in various applications. This device utilizes external N-channel MOSFETs as high-side switches, providing essential features such as overcurrent protection (OCP), inrush-current control, and output-power status reporting. The TPS2330IPWRG4 is particularly suited for hot-swap, plug, and dock power management scenarios, ensuring smooth power transitions and protecting against faults and transients.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Input Voltage | Operating voltage range | 3 V to 13 V |
| Package | Package type | 14-Pin SOIC and TSSOP |
| Ambient Temperature Range | Operating temperature range | –40°C to 85°C |
| Standby Supply Current | Maximum standby current | 5 μA |
| Enable Input | Type of enable input | Active-low (TPS2330), Active-high (TPS2331) |
| Gate Drive Voltage | Voltage generated by the charge pump | 9 V–12 V |
| Overcurrent Protection | Threshold adjustment | Programmable with ISET resistor |
| Power-Good Reporting | Voltage sense input | VSENSE with internal reference (1.225 V ±2%) |
| Transient Timer | Adjustable deglitch time | Set by capacitor on TIMER pin |
Key Features
- Overcurrent Protection (OCP): Programmable overcurrent threshold with a timer function to discriminate between load transients and faults.
- Inrush Current Control: Output dV/dt control limits inrush current during power-up.
- Power-Good Reporting: Power-good sense input (VSENSE) with transient filter to report the status of the output voltage rails.
- Circuit Breaker Functionality: Combines overcurrent sensing with a timer to latch off the power switch during sustained overcurrent conditions.
- Undervoltage Lockout (UVLO): Monitors the voltage on the VREG pin to disable the external MOSFET during undervoltage conditions.
- Low Quiescent Current: Less than 5 μA in standby mode.
- Electrostatic Discharge Protection: Built-in protection against electrostatic discharge.
- CMOS- and TTL-Compatible Enable Input: Active-low (TPS2330) or active-high (TPS2331) enable input.
Applications
- Hot-Swap/Plug/Dock Power Management: Ideal for managing power in hot-swap, plug, and dock applications.
- Hot-Plug PCI, Device Bay: Suitable for hot-plug PCI and device bay applications requiring dV/dt control.
- Electronic Circuit Breaker: Functions as an electronic circuit breaker with programmable overcurrent threshold and transient timer.
Q & A
- What is the input voltage range of the TPS2330IPWRG4?
The input voltage range is 3 V to 13 V.
- What type of package is the TPS2330IPWRG4 available in?
The device is available in 14-Pin SOIC and TSSOP packages.
- What is the operating temperature range of the TPS2330IPWRG4?
The operating temperature range is –40°C to 85°C.
- How does the TPS2330IPWRG4 manage inrush current?
The device controls inrush current through output dV/dt control.
- What is the purpose of the VSENSE pin on the TPS2330IPWRG4?
The VSENSE pin is used to detect undervoltage conditions on external circuitry and report the status of the output voltage rails.
- How does the TPS2330IPWRG4 handle overcurrent conditions?
The device has programmable overcurrent protection with a timer function to discriminate between load transients and faults.
- What is the standby supply current of the TPS2330IPWRG4?
The maximum standby supply current is 5 μA.
- Is the TPS2330IPWRG4 protected against electrostatic discharge?
Yes, the device has built-in electrostatic discharge protection.
- What types of applications is the TPS2330IPWRG4 suited for?
The device is suited for hot-swap, plug, dock power management, hot-plug PCI, device bay, and electronic circuit breaker applications.
- How does the TPS2330IPWRG4 ensure power-good reporting?
The device uses the VSENSE pin to detect undervoltage conditions and report the status of the output voltage rails through the PWRGD pin.
