Overview
The LTC4368IMS-2#TRPBF, manufactured by Analog Devices Inc., is a versatile power protection controller designed to safeguard applications from a wide range of power supply anomalies. This device protects against overvoltage, undervoltage, reverse voltage, and overcurrent faults, ensuring the reliability and safety of the system. It is particularly suited for automotive, industrial, and portable instrumentation applications due to its robust protection features and wide operating voltage range.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Operating Voltage Range | 2.5V to 60V | |
| Overvoltage Protection | Up to 100V | |
| Undervoltage Protection | Adjustable 1.5% threshold | Using external resistive divider |
| Reverse Supply Protection | Up to 40V | |
| Forward Sense Threshold | +50mV | |
| Reverse Sense Threshold | 3mV (LTC4368-2) | |
| Operating Current | 80µA | |
| Shutdown Current | 5µA | |
| Package Type | 10-Lead Plastic MSOP | |
| Operating Temperature Range | -40°C to 125°C (H-grade) |
Key Features
- Bidirectional Electronic Circuit Breaker: Controls the gate voltage of external N-channel MOSFETs to ensure the load is connected to the input supply only when there are no voltage or current faults
- Adjustable Overvoltage and Undervoltage Thresholds: Using an external resistive divider
- Low Operating Current: 80µA, and low shutdown current of 5µA
- Hot Swappable Supply Input: With a 32ms turn-on delay to debounce live supply input connections and block 50Hz and 60Hz AC power
- Pin-Selectable Overcurrent Auto-Retry Timer or Latchoff: Allows for user-adjustable recovery strategies after faults
- AEC-Q100 Qualified for Automotive Applications: Ensures reliability and quality for automotive use
Applications
- Automotive Systems: For reverse battery protection and surge protection
- Industrial Power Systems: To protect against various power supply anomalies
- Portable Instrumentation: Ensuring reliable power supply in portable devices
- Energy Storage Systems: Protecting battery systems from overvoltage, undervoltage, and reverse voltage conditions
Q & A
- What is the operating voltage range of the LTC4368IMS-2#TRPBF?
The operating voltage range is from 2.5V to 60V
- How does the LTC4368IMS-2#TRPBF protect against reverse polarity?
It protects against reverse polarity by controlling the gate voltage of external N-channel MOSFETs, ensuring the load is not connected when there is a reverse voltage condition
- What is the purpose of the 32ms turn-on delay in the LTC4368IMS-2#TRPBF?
The 32ms turn-on delay debounces live supply input connections and blocks 50Hz and 60Hz AC power
- Can the overvoltage and undervoltage thresholds be adjusted?
- What is the operating current of the LTC4368IMS-2#TRPBF?
The operating current is 80µA, and the shutdown current is 5µA
- What package types are available for the LTC4368IMS-2#TRPBF?
The device is available in a 10-Lead Plastic MSOP package
- Is the LTC4368IMS-2#TRPBF qualified for automotive applications?
- How does the LTC4368IMS-2#TRPBF handle overcurrent faults?
It controls the gate voltage of external MOSFETs to disconnect the load during overcurrent faults and can either latch off or retry after a user-adjustable delay
- What is the typical application scenario for the LTC4368IMS-2#TRPBF?
A typical application includes protecting a 24V system with a 10A circuit breaker from reverse and overvoltage conditions
- Can the LTC4368IMS-2#TRPBF be used in hot swap applications?
