Спецификации
| Атрибут | Ценность |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Battery Protection |
| Battery Chemistry | Lithium Ion |
| Fault Protection | Over Current, Over Temperature, Over/Under Voltage |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Обзор
Description
The BQ24308DSGR is a highly integrated Li-ion battery charger front-end protection IC developed by Texas Instruments. It is designed to safeguard devices from overvoltage, overcurrent, and short-circuit conditions that can occur during charging processes. The IC operates within an input voltage range of 3.5V to 28V, but its typical usage involves input voltages up to 10V due to its overvoltage protection feature, which is set at 6.8V.
The BQ24308DSGR includes a robust set of features such as reverse current blocking, an overcurrent protection circuit, thermal shutdown, and an automatic recovery mechanism. These features are critical for prolonging battery life and ensuring reliable operation of the charging system.
The device is packaged in a small, space-saving 8-pin SON (Small Outline No-lead) package, making it suitable for portable electronic devices where space is at a premium. It is commonly used in applications like smartphones, tablets, digital cameras, and other handheld devices that require efficient and reliable battery charging solutions.
The BQ24308DSGR includes a robust set of features such as reverse current blocking, an overcurrent protection circuit, thermal shutdown, and an automatic recovery mechanism. These features are critical for prolonging battery life and ensuring reliable operation of the charging system.
The device is packaged in a small, space-saving 8-pin SON (Small Outline No-lead) package, making it suitable for portable electronic devices where space is at a premium. It is commonly used in applications like smartphones, tablets, digital cameras, and other handheld devices that require efficient and reliable battery charging solutions.
Equivalent
Equivalent products to the BQ24308DSGR chip, which is a USB charger front-end protection IC from Texas Instruments, could include similar protection ICs from other manufacturers. Some alternatives might be:
1. ON Semiconductor NCP380
2. Microchip Technology MCP73832
3. STMicroelectronics STBP120
Always verify specifications and performance characteristics to ensure compatibility with your specific application.
1. ON Semiconductor NCP380
2. Microchip Technology MCP73832
3. STMicroelectronics STBP120
Always verify specifications and performance characteristics to ensure compatibility with your specific application.
Features
The BQ24308DSGR is a robust battery charger front-end protection IC designed by Texas Instruments. Key features include:
1. Overvoltage Protection: Safeguards against input overvoltage conditions, with a threshold typically set at 6.8V.
2. Overcurrent Protection: Limits the input current to prevent damage to the downstream circuitry, with a precise current limit.
3. Thermal Shutdown: Automatically shuts down if the device temperature exceeds safe operating limits to prevent damage.
4. Reverse Voltage Protection: Protects the system if a reverse voltage is applied, ensuring no current flows back into the power source.
5. Power Good Indicator: Provides a signal indicating when the input voltage is within the safe operating range.
6. Low Quiescent Current: Ensures minimal power consumption when the device is in standby mode.
7. Small Package: Available in a compact 8-pin SON package, making it suitable for portable and space-constrained applications.
These features make the BQ24308DSGR ideal for portable electronics where efficient power management and protection are critical.
1. Overvoltage Protection: Safeguards against input overvoltage conditions, with a threshold typically set at 6.8V.
2. Overcurrent Protection: Limits the input current to prevent damage to the downstream circuitry, with a precise current limit.
3. Thermal Shutdown: Automatically shuts down if the device temperature exceeds safe operating limits to prevent damage.
4. Reverse Voltage Protection: Protects the system if a reverse voltage is applied, ensuring no current flows back into the power source.
5. Power Good Indicator: Provides a signal indicating when the input voltage is within the safe operating range.
6. Low Quiescent Current: Ensures minimal power consumption when the device is in standby mode.
7. Small Package: Available in a compact 8-pin SON package, making it suitable for portable and space-constrained applications.
These features make the BQ24308DSGR ideal for portable electronics where efficient power management and protection are critical.
Pinout
The BQ24308DSGR is a protection IC for lithium-ion batteries, typically used for over-voltage and over-current protection in portable devices. It is an 8-pin device, with its pins serving specific functions:
1. IN - Input voltage pin
2. OUT - Output voltage pin
3. GND - Ground pin
4. CE - Chip enable pin
5. OVP - Over-voltage protection
6. OCP - Over-current protection
7. NTC - Negative temperature coefficient, for temperature monitoring
8. NC - No connection (unused)
These pins are organized to ensure efficient control and safety features for battery charging applications by disconnecting the battery or load when unsafe conditions are detected.
1. IN - Input voltage pin
2. OUT - Output voltage pin
3. GND - Ground pin
4. CE - Chip enable pin
5. OVP - Over-voltage protection
6. OCP - Over-current protection
7. NTC - Negative temperature coefficient, for temperature monitoring
8. NC - No connection (unused)
These pins are organized to ensure efficient control and safety features for battery charging applications by disconnecting the battery or load when unsafe conditions are detected.
Manufacturer
The BQ24308DSGR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a wide range of electronic products, including integrated circuits and other semiconductor devices. TI serves various industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is known for its innovation in analog and embedded processing technologies, which are critical for modern electronic systems.
Application
The BQ24308DSGR is a battery charger protection integrated circuit (IC) designed for portable electronic devices. It is used in applications where over-voltage and over-current protection are crucial. Common application areas include:
1. Smartphones and tablets
2. Portable media players
3. Digital cameras and camcorders
4. Personal Digital Assistants (PDAs)
5. GPS devices
6. Power banks
7. Wearable devices
Its primary function is to safeguard the charging circuit by providing protection against faulty adapters and overloading conditions, ensuring the longevity and safety of the battery and the device.
1. Smartphones and tablets
2. Portable media players
3. Digital cameras and camcorders
4. Personal Digital Assistants (PDAs)
5. GPS devices
6. Power banks
7. Wearable devices
Its primary function is to safeguard the charging circuit by providing protection against faulty adapters and overloading conditions, ensuring the longevity and safety of the battery and the device.
Package
The BQ24308DSGR is a battery charger IC from Texas Instruments, and it is packaged in a WSON (Very Very Thin Small Outline No-Lead) package with 8 pins.
