MAX1556ETB/V+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Charger
• Characteristics: High Efficiency, Low Quiescent Current, Small Package Size
• Package: 10-pin TDFN (Thin Dual Flat No-Lead) Package
• Essence: Power Management IC for Lithium-Ion Battery Charging
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 28V
• Charge Voltage Range: 3.5V to 4.5V
• Maximum Charge Current: 1.2A
• Operating Temperature Range: -40°C to +85°C
• Standby Current: 15µA (typical)

Pin Configuration

The MAX1556ETB/V+T features a 10-pin TDFN package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. PROG: Charge Current Programming Pin
5. STAT: Status Output Pin
6. TS: Thermal Shutdown Pin
7. BAT: Battery Connection
8. VCC: Supply Voltage Output
9. PGND: Power Ground
10. CE: Charge Enable Pin

Functional Features

• Integrated Power FETs for Efficient Charging
• Programmable Charge Current via PROG Pin
• Thermal Shutdown Protection
• Charge Status Indication through STAT Pin
• Enable/Disable Charging via EN and CE Pins

Advantages and Disadvantages

Advantages: - High charging efficiency - Low standby current consumption - Compact package size for space-constrained applications

Disadvantages: - Limited maximum charge current (1.2A) - Restricted input voltage range (4.5V to 28V)

Working Principles

The MAX1556ETB/V+T is a power management IC specifically designed for lithium-ion battery charging. It utilizes integrated power FETs to achieve high charging efficiency. The charge current can be programmed using the PROG pin, allowing flexibility in charging different battery capacities. The IC also incorporates thermal shutdown protection to prevent overheating.

Detailed Application Field Plans

The MAX1556ETB/V+T is suitable for various applications that require lithium-ion battery charging. Some potential application fields include: - Portable electronic devices - Wireless communication devices - Handheld medical devices - Industrial equipment - Automotive systems

Detailed and Complete Alternative Models

1. MAX1557ETB/V+T: Similar to MAX1556ETB/V+T but with higher maximum charge current (2A).
2. MAX1558ETB/V+T: Enhanced version of MAX1556ETB/V+T with additional features such as battery temperature monitoring.
3. MAX1559ETB/V+T: Compact variant of MAX1556ETB/V+T with reduced package size for space-constrained applications.

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's datasheet for a complete list of alternatives.

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