LP3919RLX-C/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-performance power management IC designed for various applications
• Package: RLQ-48
• Essence: Efficiently manages power distribution and control in electronic devices
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.6V
• Number of Outputs: 9
• Operating Temperature Range: -40°C to +85°C
• Switching Frequency: Up to 4MHz
• Protection Features: Overvoltage, undervoltage, overcurrent, and thermal protection

Detailed Pin Configuration

The LP3919RLX-C/NOPB has a total of 48 pins. Here is a detailed pin configuration:

1. VBAT: Battery Input Voltage
2. VBUS: USB Input Voltage
3. VDD: Digital Supply Voltage
4. GND: Ground
5. EN: Enable Control
6. INT: Interrupt Output
7. SDA: I2C Serial Data
8. SCL: I2C Serial Clock
9. VREF: Reference Voltage Output
10. VRTC: Real-Time Clock Supply Voltage
11. VIO: I/O Supply Voltage
12. VLED: LED Supply Voltage
13. VIBAT: Battery Input Voltage for Charger
14. VCHG: Charger Input Voltage
15. VOUT1: Output Voltage 1
16. VOUT2: Output Voltage 2
17. VOUT3: Output Voltage 3
18. VOUT4: Output Voltage 4
19. VOUT5: Output Voltage 5
20. VOUT6: Output Voltage 6
21. VOUT7: Output Voltage 7
22. VOUT8: Output Voltage 8
23. VOUT9: Output Voltage 9
24. PGND1: Power Ground for Output 1
25. PGND2: Power Ground for Output 2
26. PGND3: Power Ground for Output 3
27. PGND4: Power Ground for Output 4
28. PGND5: Power Ground for Output 5
29. PGND6: Power Ground for Output 6
30. PGND7: Power Ground for Output 7
31. PGND8: Power Ground for Output 8
32. PGND9: Power Ground for Output 9
33. SW1: Switching Node for Output 1
34. SW2: Switching Node for Output 2
35. SW3: Switching Node for Output 3
36. SW4: Switching Node for Output 4
37. SW5: Switching Node for Output 5
38. SW6: Switching Node for Output 6
39. SW7: Switching Node for Output 7
40. SW8: Switching Node for Output 8
41. SW9: Switching Node for Output 9
42. FB1: Feedback Node for Output 1
43. FB2: Feedback Node for Output 2
44. FB3: Feedback Node for Output 3
45. FB4: Feedback Node for Output 4
46. FB5: Feedback Node for Output 5
47. FB6: Feedback Node for Output 6
48. FB7: Feedback Node for Output 7

Functional Features

• Efficient power management for multiple outputs
• Integrated protection features for safe operation
• High switching frequency for improved efficiency
• Flexible control through I2C interface
• Real-time clock functionality

Advantages and Disadvantages

Advantages: - Efficient power distribution and control - Compact package size - Wide input voltage range - Multiple output voltage options - Integrated protection features

Disadvantages: - Requires knowledge of I2C communication protocol for advanced control - Limited number of outputs compared to some other power management ICs

Working Principles

The LP3919RLX-C/NOPB is a power management IC that efficiently manages power distribution and control in electronic devices. It operates by converting the input voltage from the battery or USB source to multiple output voltages required by various components within the device. The integrated switching regulators provide high efficiency by minimizing power losses during conversion.

The IC also incorporates protection features such as overvoltage, undervoltage, overcurrent, and thermal protection to ensure safe operation. These features help prevent damage to the device and connected components in case of abnormal operating conditions.

Control and configuration of the