LP3917RL-M/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, low power consumption
• Package: QFN (Quad Flat No-Lead)
• Essence: Regulator and Charger IC
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 4.5V
• Maximum Output Current: 1.5A
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Quiescent Current: 50µA (typical)

Pin Configuration

The LP3917RL-M/NOPB has a total of 20 pins. The pin configuration is as follows:

1. VBAT
2. VBUS
3. EN
4. PG
5. STAT
6. ISET
7. TMR
8. INT
9. SDA
10. SCL
11. VOUT1
12. VOUT2
13. VOUT3
14. VOUT4
15. VOUT5
16. VOUT6
17. VOUT7
18. VOUT8
19. GND
20. VIN

Functional Features

• Integrated regulator and charger functions
• Multiple output voltage options
• Overvoltage and overcurrent protection
• Thermal shutdown protection
• Programmable current limit
• I2C interface for control and monitoring

Advantages and Disadvantages

Advantages: - High efficiency resulting in lower power consumption - Compact package size - Wide input voltage range - Multiple output voltage options - Comprehensive protection features

Disadvantages: - Limited maximum output current (1.5A) - Requires external components for complete power management solution

Working Principles

The LP3917RL-M/NOPB is a regulator and charger IC designed for power management applications. It integrates multiple functions into a single chip, including voltage regulation and battery charging. The IC operates within an input voltage range of 2.7V to 5.5V and provides an output voltage range of 0.6V to 4.5V.

The device utilizes a high-efficiency architecture, resulting in lower power consumption and reduced heat dissipation. It incorporates various protection features such as overvoltage and overcurrent protection, as well as thermal shutdown protection.

The LP3917RL-M/NOPB can be controlled and monitored through an I2C interface, allowing for programmable current limits and status monitoring. This enables flexible configuration and optimization of the power management system.

Detailed Application Field Plans

The LP3917RL-M/NOPB is suitable for a wide range of applications that require efficient power management and battery charging. Some potential application fields include:

1. Portable electronic devices: Smartphones, tablets, portable gaming consoles.
2. Wearable devices: Smartwatches, fitness trackers, wireless earbuds.
3. IoT devices: Home automation systems, smart sensors, connected appliances.
4. Industrial equipment: Handheld instruments, data loggers, measurement devices.
5. Automotive electronics: Infotainment systems, navigation devices, dashboard displays.

Detailed and Complete Alternative Models

1. LP3919RL-M/NOPB
2. LP3921RL-M/NOPB
3. LP3923RL-M/NOPB
4. LP3925RL-M/NOPB
5. LP3927RL-M/NOPB

These alternative models offer similar functionality and features, providing options for different power management requirements.

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