MAX712CSE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Charger Controller
• Characteristics: High efficiency, compact size, low power consumption
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: Regulates and controls the charging process of batteries
• Packaging/Quantity: Available in reels or tubes, quantity varies based on supplier

Specifications

• Input Voltage Range: 4.5V to 25V
• Output Voltage Range: 1.25V to 28V
• Maximum Charging Current: 2A
• Operating Temperature Range: -40°C to +85°C
• Shutdown Current: <1µA

Pin Configuration

The MAX712CSE has a total of 16 pins. The pin configuration is as follows:

1. VCC: Power supply input
2. GND: Ground reference
3. BAT: Battery connection
4. TS: Temperature sense input
5. PROG: Programming pin for setting charging current
6. STAT1: Status output 1
7. STAT2: Status output 2
8. TIMER: Timer capacitor connection
9. CT: Charge termination control
10. ISET: Current set resistor connection
11. VREF: Reference voltage output
12. VBAT: Battery voltage monitor output
13. VDD: Digital supply voltage
14. CLK: Clock input
15. DATA: Data input/output
16. RESET: Reset input

Functional Features

• Constant-Current/Constant-Voltage (CC/CV) charging algorithm
• Automatic battery detection and initialization
• Overvoltage and overcurrent protection
• Thermal regulation for safe operation
• LED indicators for charging status
• Programmable charging current

Advantages and Disadvantages

Advantages: - High charging efficiency - Compact size suitable for portable devices - Low power consumption - Comprehensive protection features

Disadvantages: - Limited maximum charging current (2A) - Temperature range may not be suitable for extreme environments

Working Principles

The MAX712CSE is a battery charger controller IC that utilizes a CC/CV charging algorithm. It regulates the charging process by controlling the charging current and voltage to ensure safe and efficient charging of batteries. The IC automatically detects the battery type and adjusts the charging parameters accordingly. It provides overvoltage and overcurrent protection to prevent damage to the battery and the charging circuit. The thermal regulation feature ensures safe operation by monitoring the temperature and adjusting the charging current accordingly.

Detailed Application Field Plans

The MAX712CSE is commonly used in various applications, including: 1. Portable electronic devices such as smartphones, tablets, and digital cameras. 2. Battery-powered medical devices like portable monitors and infusion pumps. 3. Automotive applications for charging batteries in electric vehicles and hybrid cars. 4. Industrial equipment requiring battery charging, such as handheld tools and wireless sensors. 5. Renewable energy systems utilizing batteries, such as solar-powered lighting and off-grid power systems.

Detailed and Complete Alternative Models

1. MAX713CPE: Similar functionality with different package (DIP)
2. MAX745CSE: Enhanced version with additional features
3. MAX712ESA: Surface mount package variant
4. MAX716CPI: Higher charging current capability (up to 4A)

These alternative models provide similar functionality to the MAX712CSE but may have variations in package type, additional features, or higher charging current capabilities.

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