仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Battery Chemistry | Lithium Ion |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Fault Protection | Over Temperature, Over Voltage |
| Charge Current - Max | 1A |
| Battery Pack Voltage | 4.2V |
| Voltage - Supply (Max) | 10.2V |
| Operating Temperature | 0°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
概要
Description
The BQ25050DQCR is a power management integrated circuit (PMIC) designed by Texas Instruments. It functions primarily as a linear battery charger for single-cell lithium-ion and lithium-polymer batteries. The device is optimized for portable and battery-powered applications, offering features that enhance battery life and overall power efficiency.
Key features include:
- Input Voltage Range: Compatible with USB and wall adapter inputs.
- Charge Termination: Automatic termination once the battery is fully charged, promoting battery health.
- Safety Features: Includes over-voltage, over-current, and thermal protection to ensure safe operation.
- Low Quiescent Current: Minimizes power consumption when the device is not active, extending battery life.
- Programmable Charge Current: Allows customization of charging speed based on application needs via external resistors.
The BQ25050DQCR is suitable for small electronic devices like smartphones, wearables, and other portable gadgets, providing efficient and reliable charging solutions while maintaining compact design requirements.
Key features include:
- Input Voltage Range: Compatible with USB and wall adapter inputs.
- Charge Termination: Automatic termination once the battery is fully charged, promoting battery health.
- Safety Features: Includes over-voltage, over-current, and thermal protection to ensure safe operation.
- Low Quiescent Current: Minimizes power consumption when the device is not active, extending battery life.
- Programmable Charge Current: Allows customization of charging speed based on application needs via external resistors.
The BQ25050DQCR is suitable for small electronic devices like smartphones, wearables, and other portable gadgets, providing efficient and reliable charging solutions while maintaining compact design requirements.
Equivalent
The BQ25050DQCR is a single-cell Li-Ion battery charger IC from Texas Instruments. Equivalent products from other manufacturers include:
1. MCP73831 from Microchip Technology
2. MAX1555/MAX1551 from Maxim Integrated
3. TP4056 from NanJing Top Power ASIC Corp
Each of these products offers similar functionalities for charging single-cell Li-Ion or Li-Polymer batteries with specific differences in features and specifications. Always compare datasheets for compatibility with your specific application requirements.
1. MCP73831 from Microchip Technology
2. MAX1555/MAX1551 from Maxim Integrated
3. TP4056 from NanJing Top Power ASIC Corp
Each of these products offers similar functionalities for charging single-cell Li-Ion or Li-Polymer batteries with specific differences in features and specifications. Always compare datasheets for compatibility with your specific application requirements.
Features
The BQ25050DQCR is a highly efficient, compact battery management integrated circuit (IC) designed for charging and power management of single-cell Li-Ion and Li-Polymer batteries. Key features of this device include:
1. High-Efficiency Charging: It supports high-efficiency battery charging with a power path management function to provide power to the system while charging the battery.
2. Input Voltage Range: The IC operates with an input voltage range suitable for USB or adapter sources.
3. Charge Termination: It includes programmable charge termination to stop charging when the battery reaches its full capacity.
4. Battery Monitoring: The device features battery monitoring to ensure safe and optimal charging conditions.
5. Small Form Factor: Designed in a compact package, it is ideal for portable applications where space is limited.
6. Protection Features: Includes over-voltage, over-current, and over-temperature protection to enhance safety and reliability.
7. Low Quiescent Current: It has a low quiescent current to maximize energy efficiency in battery-powered devices.
This IC is suitable for a range of portable applications, including smartphones, wearables, and other handheld devices.
1. High-Efficiency Charging: It supports high-efficiency battery charging with a power path management function to provide power to the system while charging the battery.
2. Input Voltage Range: The IC operates with an input voltage range suitable for USB or adapter sources.
3. Charge Termination: It includes programmable charge termination to stop charging when the battery reaches its full capacity.
4. Battery Monitoring: The device features battery monitoring to ensure safe and optimal charging conditions.
5. Small Form Factor: Designed in a compact package, it is ideal for portable applications where space is limited.
6. Protection Features: Includes over-voltage, over-current, and over-temperature protection to enhance safety and reliability.
7. Low Quiescent Current: It has a low quiescent current to maximize energy efficiency in battery-powered devices.
This IC is suitable for a range of portable applications, including smartphones, wearables, and other handheld devices.
Pinout
The BQ25050DQCR is a Li-Ion and Li-Polymer linear battery charger IC from Texas Instruments. It comes in an 8-pin HVSSOP (also known as a VSSOP) package. Here is a brief description of the pin functions:
1. VCC (Pin 1): Input power supply.
2. OUT (Pin 2): Charger output to the battery.
3. TS (Pin 3): Temperature sense input; monitors battery temperature for safety.
4. ISET (Pin 4): Determines charge current; connects to a resistor for setting the charge current.
5. GND (Pin 5): Ground reference for the IC.
6. PG (Pin 6): Power Good indicator; open-drain output that provides a valid indication if power is available.
7. CE (Pin 7): Charge Enable; active low input to enable or disable charging.
8. STAT (Pin 8): Status indication; open-drain output that indicates various charge states.
The BQ25050 is designed for portable devices and offers features such as power path management, battery temperature monitoring, and status indication to ensure efficient and safe charging.
1. VCC (Pin 1): Input power supply.
2. OUT (Pin 2): Charger output to the battery.
3. TS (Pin 3): Temperature sense input; monitors battery temperature for safety.
4. ISET (Pin 4): Determines charge current; connects to a resistor for setting the charge current.
5. GND (Pin 5): Ground reference for the IC.
6. PG (Pin 6): Power Good indicator; open-drain output that provides a valid indication if power is available.
7. CE (Pin 7): Charge Enable; active low input to enable or disable charging.
8. STAT (Pin 8): Status indication; open-drain output that indicates various charge states.
The BQ25050 is designed for portable devices and offers features such as power path management, battery temperature monitoring, and status indication to ensure efficient and safe charging.
Manufacturer
The BQ25050DQCR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It primarily focuses on the development of analog chips, embedded processors, and other related technologies. TI serves a wide range of industries, including automotive, industrial, consumer electronics, and communications. The company is known for its innovation in electronics and has a global presence, supplying components that are critical for various electronic devices and systems.
Application
The BQ25050DQCR is primarily used in applications requiring efficient battery management and charging solutions. Key application areas include:
1. Wearable Devices: It supports compact and efficient power management in fitness trackers and smartwatches.
2. Portable Electronics: Used in devices like wireless headphones and portable medical equipment for reliable charging.
3. IoT Devices: Powers and manages battery charging in various Internet of Things (IoT) gadgets.
4. Consumer Electronics: Facilitates power management in a wide range of small consumer electronic products.
5. Healthcare Devices: Utilized in portable healthcare and monitoring devices for efficient power management.
These applications benefit from its small footprint, low power consumption, and effective battery management capabilities.
1. Wearable Devices: It supports compact and efficient power management in fitness trackers and smartwatches.
2. Portable Electronics: Used in devices like wireless headphones and portable medical equipment for reliable charging.
3. IoT Devices: Powers and manages battery charging in various Internet of Things (IoT) gadgets.
4. Consumer Electronics: Facilitates power management in a wide range of small consumer electronic products.
5. Healthcare Devices: Utilized in portable healthcare and monitoring devices for efficient power management.
These applications benefit from its small footprint, low power consumption, and effective battery management capabilities.
Package
The BQ25050DQCR comes in a DSBGA (Die Size Ball Grid Array) package, specifically with a 12-ball configuration.
