ADM3307EARUZ

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management and Battery Charger
• Characteristics: Low power consumption, high efficiency
• Package: 24-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Voltage regulator and battery charger
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.8V to 4.2V
• Maximum Charging Current: 500mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VBAT: Battery voltage input
2. GND: Ground
3. VOUT: Regulated output voltage
4. EN: Enable pin
5. STAT: Status indicator
6. ISET: Charging current setting
7. TS: Thermal shutdown
8. PROG: Programming pin
9. SDA: Serial data input/output
10. SCL: Serial clock input
11. INT: Interrupt output
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection
17. NC: No connection
18. NC: No connection
19. NC: No connection
20. NC: No connection
21. NC: No connection
22. NC: No connection
23. NC: No connection
24. NC: No connection

Functional Features

• Integrated voltage regulator and battery charger in a single IC
• Low power consumption for extended battery life
• High charging efficiency for faster charging times
• Programmable charging current for flexibility
• Thermal shutdown protection to prevent overheating
• Status indicator for easy monitoring of charging process
• Interrupt output for system notification

Advantages and Disadvantages

Advantages

• Compact design saves board space
• High efficiency reduces power loss
• Programmable charging current allows customization
• Thermal shutdown protection ensures safety
• Status indicator provides visual feedback

Disadvantages

• Limited maximum charging current (500mA)
• Not suitable for high-power applications

Working Principles

The ADM3307EARUZ is a voltage regulator and battery charger IC designed to provide regulated power supply and charge batteries in portable electronic devices. It operates by converting the input voltage from the battery or external power source to a stable output voltage, which can be adjusted within a specified range. The charging current can also be programmed to suit different battery types and capacities.

The IC incorporates various protection features such as thermal shutdown, which prevents excessive heat buildup, and overvoltage/overcurrent protection to safeguard the connected devices and batteries. The status indicator provides visual feedback on the charging process, while the interrupt output can be used to notify the system when charging is complete or if any fault conditions occur.

Detailed Application Field Plans

The ADM3307EARUZ is widely used in various portable electronic devices that require power management and battery charging capabilities. Some common application fields include: - Smartphones and tablets - Portable gaming consoles - Wearable devices - Bluetooth headsets - GPS navigation systems - Portable medical devices - Handheld test equipment

Detailed and Complete Alternative Models

• ADM3307E: Similar functionality with different package options
• ADM3310E: Higher maximum charging current (1A)
• ADM3315E: Lower maximum charging current (300mA)
• ADM3318E: Adjustable output voltage range (1.2V to 4.2V)

Note: This is not an exhaustive list, and there may be other alternative models available from different manufacturers.

In conclusion, the ADM3307EARUZ is a versatile integrated circuit that combines voltage regulation and battery charging functions. Its compact design, low power consumption, and programmable features make it suitable for a wide range of portable electronic devices. While it has limitations in terms of maximum charging current, its advantages outweigh the disadvantages, making it a popular choice in the industry.