Inicio Circuitos integrados de gestión de baterías Protectores de baterías
Inicio
Circuitos integrados de gestión de baterías
Protectores de baterías

BQ24300

ACTIVO

CI de protección frontal del cargador con 30 V máx. Vin y salida 5,5 V LDO

Haga su pedido ahora
Hoja de datos

BQ24300

ACTIVO
Hoja de datos Haga su pedido ahora

Detalles del producto

Rating Catalog Number of series cells (max) 1 Number of series cells (min) 1 Features LDO output, Overcurrent protection, Overvoltage Function Charger Front-End Protection Operating current (typ) (µA) 340 Vin (max) (V) 30 Overvoltage protection 10.5 Operating temperature range (°C) 0 to 125 Battery overvoltage protection (min) (V) 4.35 Battery overvoltage protection (max) (V) 4.35
Rating Catalog Number of series cells (max) 1 Number of series cells (min) 1 Features LDO output, Overcurrent protection, Overvoltage Function Charger Front-End Protection Operating current (typ) (µA) 340 Vin (max) (V) 30 Overvoltage protection 10.5 Operating temperature range (°C) 0 to 125 Battery overvoltage protection (min) (V) 4.35 Battery overvoltage protection (max) (V) 4.35
WSON (DSG) 8 4 mm² (2 mm × 2 mm)
  • Provides Protection for Three Variables:
    • Input Overvoltage
    • Input Overcurrent with Current Limiting
    • Battery Overvoltage
  • 30V Maximum Input Voltage
  • Optional Input Reverse Polarity Protection
  • High Immunity Against False Triggering Due to Voltage Spikes
  • Robust Against False Triggering Due to Current Transients
  • Thermal Shutdown
  • Enable Function
  • Small 2 mm × 2 mm 8-Pin SON Package
  • LDO Mode Voltage Regulation Options:
    • 5.5V on bq24300
    • 4.5V on bq24304
    • 5.0V on bq24305
  • APPLICATIONS
    • Bluetooth Headsets
    • Low-Power Handheld Devices
  • Provides Protection for Three Variables:
    • Input Overvoltage
    • Input Overcurrent with Current Limiting
    • Battery Overvoltage
  • 30V Maximum Input Voltage
  • Optional Input Reverse Polarity Protection
  • High Immunity Against False Triggering Due to Voltage Spikes
  • Robust Against False Triggering Due to Current Transients
  • Thermal Shutdown
  • Enable Function
  • Small 2 mm × 2 mm 8-Pin SON Package
  • LDO Mode Voltage Regulation Options:
    • 5.5V on bq24300
    • 4.5V on bq24304
    • 5.0V on bq24305
  • APPLICATIONS
    • Bluetooth Headsets
    • Low-Power Handheld Devices

The bq24300 and bq24304 are highly integrated circuits designed to provide protection to Li-ion batteries from failures of the charging circuit. The IC continuously monitors the input voltage, the input current, and the battery voltage. The device operates like a linear regulator: for voltages up to the Input Overvoltage threshold, the output is held at 5.5V (bq24300), 5.0V (bq24305) or 4.5V (bq24304). In case of an input overvoltage condition, if the overvoltage condition persists for more than a few microseconds, the IC removes power from the charging circuit by turning off an internal switch. In the case of an overcurrent condition, it limits the current to a safe value for a blanking duration before turning the switch off. Additionally, the IC also monitors its own die temperature and switches off if it becomes too hot.

The IC also offers optional protection against reverse voltage at the input with an external P-channel MOSFET.

The bq24300 and bq24304 are highly integrated circuits designed to provide protection to Li-ion batteries from failures of the charging circuit. The IC continuously monitors the input voltage, the input current, and the battery voltage. The device operates like a linear regulator: for voltages up to the Input Overvoltage threshold, the output is held at 5.5V (bq24300), 5.0V (bq24305) or 4.5V (bq24304). In case of an input overvoltage condition, if the overvoltage condition persists for more than a few microseconds, the IC removes power from the charging circuit by turning off an internal switch. In the case of an overcurrent condition, it limits the current to a safe value for a blanking duration before turning the switch off. Additionally, the IC also monitors its own die temperature and switches off if it becomes too hot.

The IC also offers optional protection against reverse voltage at the input with an external P-channel MOSFET.
filter Buscar otro/a Protectores de baterías
Descargar Ver vídeo con transcripción Video

Documentación técnica

No se encontraron resultados. Borre su búsqueda y vuelva a intentarlo.
Ver todo 4
Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos Overvoltage and Overcurrent Protection IC & Li+ Charger Front-End Protection IC datasheet (Rev. C) 4/12/2009
Analog Design Journal Battery-charger front-end IC improves charging-system safety 16/05/2008
Nota sobre la aplicación How to Meet 24V Hot Plug-In Test for Charge Front-End bq243xx 2/01/2008
Nota sobre la aplicación High Voltage Pulse Transient Safety Design fro bq243xx 4/12/2007

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Diseño de referencia

TIDA-00034 — Diseño de referencia de IC de protección contra la sobretensión y la sobrecorriente e IC de protecci

This reference design, using bq24300 and bq24304, is a highly integrated design that provides protection to Li-ion batteries from failures of the charging circuit. The IC continuously monitors the input voltage, the input current, and the battery voltage. The design operates like a linear (...)

Productos y hardware compatibles
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
WSON (DSG) 8 Ultra Librarian
Se aplican los Términos y condiciones estándar de TI para los elementos de evaluación.

Pedidos y calidad

Los productos recomendados pueden tener parámetros, módulos de evaluación o diseños de referencia relacionados con este producto de TI.

Soporte y capacitación

Foros de TI E2E™ con asistencia técnica de los ingenieros de TI

Ver todos los temas del foro en inglés

El contenido lo proporcionan “tal como está” TI y los colaboradores de la comunidad y no constituye especificaciones de TI. Consulte los términos de uso.

Si tiene alguna pregunta sobre calidad, encapsulados o pedido de productos de TI, consulte el servicio de asistencia de TI. ​​​​​​​​​​​​​​

Videos