Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current, Voltage |
| Charge Current - Max | 1.45A |
| Battery Pack Voltage | 4.5V |
| Voltage - Supply (Max) | 6V |
| Interface | I²C, USB |
| Operating Temperature | -30°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Overview
Description
The FAN54005UCX is a highly integrated, switch-mode charger designed for single-cell lithium-ion or lithium-polymer batteries. It is often used in portable devices due to its efficiency and compact design. The charger supports USB and AC adapter inputs, allowing for versatile charging options. One of its key features is its ability to operate in a variety of charging modes, including pre-charge, constant current, and constant voltage, optimizing the charging process for safety and efficiency.
The FAN54005UCX includes several safety mechanisms, such as over-voltage, over-current, and thermal protection, ensuring reliable operation. It also features a dynamic power path management system, which allows the device to power the system and charge the battery simultaneously. This chip is controlled via an I2C interface, providing flexibility in programming and monitoring charging parameters. With its small package size, the FAN54005UCX is ideal for space-constrained applications, offering a robust solution for efficient battery management in modern electronic devices.
The FAN54005UCX includes several safety mechanisms, such as over-voltage, over-current, and thermal protection, ensuring reliable operation. It also features a dynamic power path management system, which allows the device to power the system and charge the battery simultaneously. This chip is controlled via an I2C interface, providing flexibility in programming and monitoring charging parameters. With its small package size, the FAN54005UCX is ideal for space-constrained applications, offering a robust solution for efficient battery management in modern electronic devices.
Equivalent
The FAN54005UCX is a USB-compliant single-cell Li-ion battery charger. Equivalent products include the bq24195 from Texas Instruments, MAX14690 from Maxim Integrated, and MCP73871 from Microchip Technology. These alternatives offer similar features such as charge management, power path control, and USB compatibility. However, always consult the manufacturer's datasheets to ensure compatibility with your specific application requirements.
Features
The FAN54005UCX is a highly integrated switch-mode charger designed for single-cell Li-Ion and Li-Pol battery applications. Key features include:
1. High Efficiency: It offers high efficiency, reducing heat generation and improving battery life.
2. Wide Input Voltage Range: Operates over a broad input voltage range, allowing compatibility with various power sources.
3. Programmable Charging: Users can program the charging current, voltage, and safety timer to optimize charging cycles.
4. Fast Charging: Supports fast charging modes, enhancing speed without compromising battery health.
5. Protection Features: Includes over-voltage, over-current, and thermal protection to ensure safety and reliability.
6. Small Package: Comes in a compact package suitable for space-constrained applications.
7. I²C Interface: Features an I²C interface for communication and control, allowing for easy integration and customization.
8. LED Indicator: Supports status indication for easy monitoring of charging status.
These features make the FAN54005UCX ideal for portable electronic devices requiring efficient and safe battery charging solutions.
1. High Efficiency: It offers high efficiency, reducing heat generation and improving battery life.
2. Wide Input Voltage Range: Operates over a broad input voltage range, allowing compatibility with various power sources.
3. Programmable Charging: Users can program the charging current, voltage, and safety timer to optimize charging cycles.
4. Fast Charging: Supports fast charging modes, enhancing speed without compromising battery health.
5. Protection Features: Includes over-voltage, over-current, and thermal protection to ensure safety and reliability.
6. Small Package: Comes in a compact package suitable for space-constrained applications.
7. I²C Interface: Features an I²C interface for communication and control, allowing for easy integration and customization.
8. LED Indicator: Supports status indication for easy monitoring of charging status.
These features make the FAN54005UCX ideal for portable electronic devices requiring efficient and safe battery charging solutions.
Pinout
The FAN54005UCX is a USB-compliant single-cell Li-ion switching charger IC. It comes in a 20-lead WLCSP (Wafer Level Chip Scale Package), with the following pin functions:
1. IN: Input power supply.
2. SDA: I²C-compatible data input/output.
3. SCL: I²C-compatible clock input.
4. INT: Interrupt output.
5. STAT: Status indicator.
6. TS: Temperature sense input.
7. PGND: Power ground.
8. AGND: Analog ground.
9. BAT: Battery connection.
10. VSYS: System output.
11. OTG: On-the-go enable.
12. CE: Charge enable.
13. ILIM: Input current limit programming.
14. ISET: Charge current programming.
15. VREG: Regulation voltage programming.
16. SW: Switching node.
17. VDD: Digital power supply.
18. NC: No internal connection (generally not used).
19. CHG: Charge status indicator.
20. THERM: Thermal regulation.
This IC is designed for efficient battery charging, providing various programmable settings via an I²C interface, essential for portable devices.
1. IN: Input power supply.
2. SDA: I²C-compatible data input/output.
3. SCL: I²C-compatible clock input.
4. INT: Interrupt output.
5. STAT: Status indicator.
6. TS: Temperature sense input.
7. PGND: Power ground.
8. AGND: Analog ground.
9. BAT: Battery connection.
10. VSYS: System output.
11. OTG: On-the-go enable.
12. CE: Charge enable.
13. ILIM: Input current limit programming.
14. ISET: Charge current programming.
15. VREG: Regulation voltage programming.
16. SW: Switching node.
17. VDD: Digital power supply.
18. NC: No internal connection (generally not used).
19. CHG: Charge status indicator.
20. THERM: Thermal regulation.
This IC is designed for efficient battery charging, providing various programmable settings via an I²C interface, essential for portable devices.
Manufacturer
The FAN54005UCX is manufactured by ON Semiconductor, a leading semiconductor company. ON Semiconductor, now known as onsemi, is a prominent global supplier of semiconductor-based solutions. The company specializes in designing, manufacturing, and marketing a wide range of products, including power and signal management, logic, discrete, and custom devices for various applications. These applications span automotive, communications, computing, consumer electronics, industrial, and medical sectors.
onsemi focuses on energy-efficient innovations and provides advanced technology solutions that help reduce global energy consumption. The company's offerings are aimed at enabling smart technology across key sectors, contributing to more sustainable and efficient solutions. As an industry leader, onsemi is dedicated to ensuring reliable performance and quality across its product lines, which include integrated circuits (ICs), sensors, and other semiconductor devices.
onsemi focuses on energy-efficient innovations and provides advanced technology solutions that help reduce global energy consumption. The company's offerings are aimed at enabling smart technology across key sectors, contributing to more sustainable and efficient solutions. As an industry leader, onsemi is dedicated to ensuring reliable performance and quality across its product lines, which include integrated circuits (ICs), sensors, and other semiconductor devices.
Application
The FAN54005UCX is a highly integrated USB-compliant single-cell lithium-ion switching charger. It is primarily used in portable electronic devices that require efficient battery charging with USB power sources. Key application areas include:
1. Smartphones and Tablets: For efficient battery management and fast charging.
2. Wearable Devices: Ensures compact design and energy efficiency.
3. Digital Cameras and Camcorders: Provides seamless charging operations.
4. Bluetooth Devices: Supports extended usage times with efficient charging.
5. Power Banks: Ensures rapid recharging and energy management.
6. Portable Media Players: Offers consistent performance with battery longevity.
The device is ideal for applications needing compact size and high-efficiency power management.
1. Smartphones and Tablets: For efficient battery management and fast charging.
2. Wearable Devices: Ensures compact design and energy efficiency.
3. Digital Cameras and Camcorders: Provides seamless charging operations.
4. Bluetooth Devices: Supports extended usage times with efficient charging.
5. Power Banks: Ensures rapid recharging and energy management.
6. Portable Media Players: Offers consistent performance with battery longevity.
The device is ideal for applications needing compact size and high-efficiency power management.
Package
The FAN54005UCX is typically available in a WLCSP (Wafer Level Chip Scale Package) package type, which is designed for compact applications requiring efficient power management solutions.