Overview
The LM25069PMMX-1/NOPB is a hot swap controller designed by Texas Instruments. This component is essential for systems that require the hot swapping of circuit cards, ensuring safe and controlled power transitions. It features smart control mechanisms, programmable settings, and a compact design, making it a versatile and reliable choice for managing power supply transitions effectively. The LM25069PMMX-1/NOPB protects systems from voltage fluctuations and potential damage, allowing for seamless operation even in dynamic environments.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | 10-VSSOP |
| Supply Voltage Range | 2.9V to 17V |
| Operating Temperature | -40°C to 85°C |
| Supply Current | 1.6 mA |
| Number of Channels | 1 |
| Internal Switch(s) | No |
| Mounting Type | Surface Mount |
| Programmable Features | Current Limit, Fault Timeout, OVP, UVLO |
Key Features
- In-rush Current Limit: Ensures safe board insertion into live power sources.
- Programmable Maximum Power Dissipation: In the external pass device.
- Adjustable Current Limit: For flexible current management.
- Circuit Breaker Function: For severe over-current events.
- Internal High Side Charge Pump and Gate Driver: For external N-channel MOSFET.
- Adjustable Under-Voltage Lockout (UVLO) and Hysteresis: For robust voltage protection.
- Adjustable Over-Voltage Lockout (OVLO) and Hysteresis: For comprehensive voltage protection.
- Initial Insertion Timer: Allows ringing and transients to subside after system connection.
- Programmable Fault Timer: Avoids nuisance trips.
- Active High Open Drain POWER GOOD Output: Provides status indication.
- Latched Fault and Automatic Restart Versions: Available for different fault handling needs.
Applications
The LM25069PMMX-1/NOPB is designed for general-purpose hot swap applications, particularly in systems where circuit cards need to be swapped without disrupting the power supply. It is suitable for various power environments, including data centers, telecommunications equipment, and other systems requiring reliable and safe power management.
Q & A
- What is the primary function of the LM25069PMMX-1/NOPB?
The primary function is to act as a hot swap controller, enabling safe and controlled power transitions during the insertion or removal of circuit cards.
- What is the supply voltage range of the LM25069PMMX-1/NOPB?
The supply voltage range is from 2.9V to 17V.
- What type of package does the LM25069PMMX-1/NOPB come in?
The component comes in a 10-VSSOP package.
- Does the LM25069PMMX-1/NOPB have internal switches?
No, it does not have internal switches.
- What are some of the programmable features of the LM25069PMMX-1/NOPB?
Programmable features include current limit, fault timeout, over-voltage protection (OVP), and under-voltage lockout (UVLO).
- What is the purpose of the initial insertion timer in the LM25069PMMX-1/NOPB?
The initial insertion timer allows ringing and transients to subside after system connection.
- Does the LM25069PMMX-1/NOPB have a power good signal output?
Yes, it has an active high open drain POWER GOOD output.
- What are the available fault handling versions of the LM25069PMMX-1/NOPB?
It is available in latched fault and automatic restart versions.
- Is the LM25069PMMX-1/NOPB RoHS compliant?
Yes, it complies with the RoHS 3 Directive (2015/863/EU).
- What is the operating temperature range of the LM25069PMMX-1/NOPB?
The operating temperature range is from -40°C to 85°C.
