MAX712CPE+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Charger Controller

Characteristics: - High efficiency - Low power consumption - Fast charging capability - Overvoltage protection - Temperature compensation

Package: DIP-16 (Dual In-line Package)

Essence: The MAX712CPE+ is a battery charger controller IC designed for fast and efficient charging of rechargeable batteries.

Packaging/Quantity: The MAX712CPE+ is available in tubes or reels, with 25 pieces per tube/reel.

Specifications

• Input Voltage Range: 4.5V to 10V
• Charging Current Range: 100mA to 3000mA
• Operating Temperature Range: -40°C to +85°C
• Output Voltage Accuracy: ±1%
• Charge Termination Threshold: Programmable
• Reverse Battery Protection: Yes
• Battery Temperature Monitoring: Yes

Pin Configuration

The MAX712CPE+ has a total of 16 pins, which are assigned specific functions as follows:

1. VCC - Positive supply voltage input
2. GND - Ground reference
3. BAT - Battery positive terminal
4. TS - Battery temperature sense input
5. PROG - Programming pin for charge termination threshold
6. CT - Capacitor connected to ground for timing purposes
7. ISET - Current limit programming pin
8. VREF - Reference voltage output
9. STAT - Status output indicating charging status
10. CE - Chip enable input
11. SRN - Sense resistor negative terminal
12. SRP - Sense resistor positive terminal
13. VDD - Positive supply voltage input for internal circuitry
14. RST - Reset input
15. THM - Thermal shutdown output
16. VSS - Negative supply voltage input for internal circuitry

Functional Features

• Constant current/constant voltage charging
• Automatic charge termination based on programmable threshold
• Temperature compensation for optimal charging in varying conditions
• Reverse battery protection to prevent damage
• Status output for monitoring charging progress
• Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages: - High charging efficiency - Fast charging capability - Wide input voltage range - Programmable charge termination threshold - Temperature compensation for optimal charging - Reverse battery protection

Disadvantages: - Limited maximum charging current (up to 3A) - Requires external components for complete battery charger implementation

Working Principles

The MAX712CPE+ operates by regulating the charging current and voltage supplied to the battery. It uses a constant current/constant voltage charging algorithm to ensure efficient and safe charging. The charge termination threshold can be programmed to suit different battery types. Temperature compensation is applied to adjust the charging parameters according to the battery temperature, ensuring optimal charging performance in various environments.

Detailed Application Field Plans

The MAX712CPE+ is commonly used in various applications that require battery charging, such as: - Portable electronic devices - Power tools - Electric vehicles - Solar-powered systems - Industrial equipment

Detailed and Complete Alternative Models

1. MAX713CPE+: Similar to MAX712CPE+, but with additional features like trickle charging and battery pack thermistor monitoring.
2. MAX745CPE+: Battery charger controller with higher charging current capability (up to 5A) and adjustable charge termination threshold.
3. MAX846AEE+: Integrated battery charger IC with built-in power MOSFETs for simplified design and higher charging efficiency.

These alternative models offer different features and specifications to cater to specific application requirements.

Word count: 389 words