LTC2937CUHE#PBF

Product Overview

Category

LTC2937CUHE#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management and control.

Characteristics

• LTC2937CUHE#PBF is a highly efficient and versatile power management IC.
• It offers advanced features for precise voltage monitoring, sequencing, and reset generation.
• The device operates over a wide input voltage range, making it suitable for various applications.
• It provides multiple programmable outputs, enabling flexible power control options.

Package

LTC2937CUHE#PBF comes in a compact and durable package, ensuring easy integration into electronic systems.

Essence

The essence of LTC2937CUHE#PBF lies in its ability to provide reliable and efficient power management solutions for electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per package.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage Range: 0.6V to 5.5V
• Number of Programmable Outputs: 4
• Operating Temperature Range: -40°C to 85°C
• Package Type: QFN-32

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. VIN: Input voltage
4. VOUT1: Programmable output voltage 1
5. VOUT2: Programmable output voltage 2
6. VOUT3: Programmable output voltage 3
7. VOUT4: Programmable output voltage 4
8. EN: Enable pin
9. FLT: Fault indicator
10. PG: Power good indicator
11. SDA: I2C data input/output
12. SCL: I2C clock input
13. RST: Reset pin
14. REF: Reference voltage output
15. FB1: Feedback pin 1
16. FB2: Feedback pin 2
17. FB3: Feedback pin 3
18. FB4: Feedback pin 4
19. SS1: Soft-start pin 1
20. SS2: Soft-start pin 2
21. SS3: Soft-start pin 3
22. SS4: Soft-start pin 4
23. PGD: Power good output
24. FLT1: Fault output 1
25. FLT2: Fault output 2
26. FLT3: Fault output 3
27. FLT4: Fault output 4
28. VCCSENSE: Voltage sense input for VCC
29. VINSENSE: Voltage sense input for VIN
30. GNDSENSE: Ground sense input
31. TEMP: Temperature sense input
32. NC: No connection

Functional Features

• Precise voltage monitoring and sequencing capabilities ensure reliable power management.
• Programmable outputs allow flexible control of power supply voltages.
• Integrated fault detection and reporting enhance system reliability.
• Power good and fault indicators provide real-time status information.
• I2C interface enables easy configuration and monitoring of the device.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Multiple programmable outputs offer flexibility in power supply design.
• Advanced fault detection enhances system reliability.
• Compact package ensures easy integration into electronic systems.
• I2C interface simplifies device configuration and monitoring.

Disadvantages

• Limited number of programmable outputs may not meet the requirements of complex power supply designs.
• Operating temperature range may not be suitable for extreme environments.

Working Principles

LTC2937CUHE#PBF operates based on a combination of voltage monitoring, sequencing, and reset generation techniques. It continuously monitors input and output voltages, ensuring they remain within specified limits. The device also allows for precise sequencing of power supply outputs to ensure proper startup and shutdown sequences. In case of faults or abnormal conditions, the LTC2937CUHE#PBF generates reset signals to initiate system recovery.

Detailed Application Field Plans

LTC2937CUHE#PBF finds applications in various electronic devices that require efficient power management and control. Some potential application fields include:

1. Industrial Control Systems: The device can be used in industrial control systems to manage power supply voltages for sensors, actuators, and communication modules.

2. Telecommunications Equipment: LTC2937CUHE#PBF can be employed in telecommunications equipment to regulate power supply voltages for network interfaces, signal processing units, and data storage components.

3. Consumer Electronics: This product is suitable for consumer electronics such as smartphones, tablets, and wearable devices, where it can efficiently manage power supply voltages for different subsystems.

4. Automotive