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Circuitos integrados de gestión de baterías
Circuitos integrados para cargadores de baterías

BQ24800

ACTIVO

Controlador de carga de batería reductor SMBus de 1-4 celdas compatible con el modo de potencia híbr

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BQ24800

ACTIVO
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Detalles del producto

Number of series cells 1, 2, 3, 4 Charge current (max) (A) 8.128 Vin (max) (V) 24 Cell chemistry Lead Acid, Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4, NiCd, NiMH Battery charge voltage (min) (V) 1.024 Battery charge voltage (max) (V) 19.2 Absolute max Vin (max) (V) 30 Control topology Switch-Mode Buck Control interface SMBus Features IC thermal regulation, Input OVP, Power Path, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 4.5 Rating Catalog Operating temperature range (°C) -40 to 85
Number of series cells 1, 2, 3, 4 Charge current (max) (A) 8.128 Vin (max) (V) 24 Cell chemistry Lead Acid, Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4, NiCd, NiMH Battery charge voltage (min) (V) 1.024 Battery charge voltage (max) (V) 19.2 Absolute max Vin (max) (V) 30 Control topology Switch-Mode Buck Control interface SMBus Features IC thermal regulation, Input OVP, Power Path, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 4.5 Rating Catalog Operating temperature range (°C) -40 to 85
WQFN (RUY) 28 16 mm² 4 x 4
  • Hybrid Power Boost Mode to power up system from adapter and battery together
    • Ultra-fast transient response of 150 µs to enter Hybrid Power Boost Mode
  • Battery Only Boost Mode to extend battery run time
  • Peak power two-level input current limit to maximize the power from adapter and minimize battery discharge
  • Charge 1- to 4-cell battery pack from 4.5- to 24-V adapter
  • High accuracy power and current monitoring for CPU throttling
    • Comprehensive PROCHOT profile
    • ± 2% Current monitor accuracy
    • ± 5% System Power Monitor Accuracy (PMON)
  • Automatic NMOS power source selection from adapter or battery
    • ACFET Fast turn on in 100 µs when exiting learn mode from battery removal
  • Programmable input current, charge voltage, charge and discharge current limit
    • ±0.4% Charge voltage (16-mV/step)
    • ±2% Input current (64-mA/step)
    • ±2% Charge current (64-mA/step)
    • ±2% Discharge current (512-mA/step)
  • High integration
    • Battery LEARN function
    • Battery present monitor
    • Boost Mode indicator
    • Loop compensation
    • BTST Diode
  • Enhanced safety features for over-voltage protection, over-current protection, battery, inductor, and MOSFET short-circuit protection
  • Switching frequency: 300 kHz, 400 kHz, 600 kHz, and 800 kHz
  • Realtime system control on ILIM pin to limit charge and discharge current
  • 0.65-mA Adapter standby quiescent current for Energy Star
  • Hybrid Power Boost Mode to power up system from adapter and battery together
    • Ultra-fast transient response of 150 µs to enter Hybrid Power Boost Mode
  • Battery Only Boost Mode to extend battery run time
  • Peak power two-level input current limit to maximize the power from adapter and minimize battery discharge
  • Charge 1- to 4-cell battery pack from 4.5- to 24-V adapter
  • High accuracy power and current monitoring for CPU throttling
    • Comprehensive PROCHOT profile
    • ± 2% Current monitor accuracy
    • ± 5% System Power Monitor Accuracy (PMON)
  • Automatic NMOS power source selection from adapter or battery
    • ACFET Fast turn on in 100 µs when exiting learn mode from battery removal
  • Programmable input current, charge voltage, charge and discharge current limit
    • ±0.4% Charge voltage (16-mV/step)
    • ±2% Input current (64-mA/step)
    • ±2% Charge current (64-mA/step)
    • ±2% Discharge current (512-mA/step)
  • High integration
    • Battery LEARN function
    • Battery present monitor
    • Boost Mode indicator
    • Loop compensation
    • BTST Diode
  • Enhanced safety features for over-voltage protection, over-current protection, battery, inductor, and MOSFET short-circuit protection
  • Switching frequency: 300 kHz, 400 kHz, 600 kHz, and 800 kHz
  • Realtime system control on ILIM pin to limit charge and discharge current
  • 0.65-mA Adapter standby quiescent current for Energy Star

The BQ24800 device is a high-efficiency, synchronous buck battery charger, offering low component count for space-constrained, multi-chemistry battery charging applications.

The BQ24800 device supports hybrid power boost mode. Hybrid power boost mode boosts the battery up to the system voltage in order to supplement the adapter when system power demand is temporarily higher than the adapter is able to provide. The ultra-fast transition from battery charging to battery discharging prevents adapter crash from overloading condition.

The BQ24800 device also supports battery only boost mode when no adapter is present. When the battery voltage is above the minimum system operation voltage, the battery is directly connected to the system supply rail through BATFET. Once the battery voltage goes below the minimum system operation voltage, BQ24800 will turn on the boost mode to regulate the system supply rail, extending the system run time.

The BQ24800 device uses two charge pumps to separately drive N-channel MOSFETs (ACFET, RBFET, and BATFET) for automatic system power source selection.

Through SMBus, a system power management microcontroller programs input current, charge current, discharge current, and charge voltage DACs with high regulation accuracies.

The BQ24800 device monitors adapter current (IADP), battery discharge current (IDCHG), and system power (PMON) for host to throttle back CPU speed or reduce system power when needed.

The BQ24800 device charges 1-, 2-, 3-, or 4-series Li+ cells.

The BQ24800 device is a high-efficiency, synchronous buck battery charger, offering low component count for space-constrained, multi-chemistry battery charging applications.

The BQ24800 device supports hybrid power boost mode. Hybrid power boost mode boosts the battery up to the system voltage in order to supplement the adapter when system power demand is temporarily higher than the adapter is able to provide. The ultra-fast transition from battery charging to battery discharging prevents adapter crash from overloading condition.

The BQ24800 device also supports battery only boost mode when no adapter is present. When the battery voltage is above the minimum system operation voltage, the battery is directly connected to the system supply rail through BATFET. Once the battery voltage goes below the minimum system operation voltage, BQ24800 will turn on the boost mode to regulate the system supply rail, extending the system run time.

The BQ24800 device uses two charge pumps to separately drive N-channel MOSFETs (ACFET, RBFET, and BATFET) for automatic system power source selection.

Through SMBus, a system power management microcontroller programs input current, charge current, discharge current, and charge voltage DACs with high regulation accuracies.

The BQ24800 device monitors adapter current (IADP), battery discharge current (IDCHG), and system power (PMON) for host to throttle back CPU speed or reduce system power when needed.

The BQ24800 device charges 1-, 2-, 3-, or 4-series Li+ cells.
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Documentación técnica

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Tipo Título Fecha
* Data sheet BQ24800 SMBus 1- to 4-Cell Buck Battery Charge Controller With Peak Power, Hybrid Power Boost and Battery Only Boost Modes datasheet PDF | HTML 28 feb 2020
Application note Autonomous Smart Battery Guide PDF | HTML 15 oct 2021
EVM User's guide BQ24800 EVM User's Guide 12 feb 2020

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.

Placa de evaluación

BQ24800EVM — Módulo de evaluación de controlador de carga de batería de modo de sobrealimentación híbrida SMBus d

The BQ24800EVM evaluation module (EVM) is an SMBus 2-cell to 4-cell hybrid power boost mode battery charge controller with hybrid boost and processor hot monitoring. The input voltage range is between 4.5 V and 24 V, with a programmable output of 2–4 cells charge voltage and 128-mA to (...)
Guía del usuario: PDF
No disponible en TI.com
Software de aplicación y estructura

BQSTUDIO-STABLE — Battery Management Studio (bqStudio) Software – stable version downloads for bq series of TI battery fuel gauges

Battery Management Studio (bqStudio) offers a full suite of robust tools to assist with the process of evaluating, designing with, configuring, testing, or otherwise utilizing TI Battery management products. This includes features that provide full access to registers and data memory including (...)

lock = Requiere aprobación de exportación (1 minuto)
Productos y hardware compatibles

Productos y hardware compatibles

Productos
Monitores y equilibradores de batería
BQ76942 — Monitor y protector de batería multicelda de serie 3 a 10 BQ76952 — Monitor y protector de batería de alta precisión 3s a 16s para iones de litio, polímero de litio y L
Circuitos integrados para cargadores de baterías
BQ24800 — Controlador de carga de batería reductor SMBus de 1-4 celdas compatible con el modo de potencia híbr BQ25720 — Controlador de carga de batería reductor-elevador NVDC SMBus de 1 a 4 celdas con ruta de alimentació BQ25723 — Controlador de carga de batería reductor-elevador NVDC I²C de 1 a 4 celdas con ruta de alimentación BQ25731 — Controlador de carga de batería reductor-elevador NVDC de I2C, 1-5 celdas con soporte USB tipo C PD BQ25790 — Cargador de batería de impulso reductor de modo conmutado de 5 A integrado, NVDC, de 1 a 4 celdas BQ25792 — Cargador reductor-elevador controlado por I2C, 5 A, 1 a 4 celdas con selector de entrada doble y sal
Medidores de carga de baterías
BQ27220 — Medidor de combustible de batería (gas) CEDV de sistema con paquete de una sola celda con perfiles q BQ27320 — Indicador de combustible (gas) de batería CEDV de un solo paquete de celdas del lado del sistema BQ27425-G1 — Indicador de combustible del lado del sistema Impedance Track™ con conexión directa a la batería I b BQ27425-G2A — Impedance Track™ del lado del sistema con indicador de combustible para batería LiCoO2 BQ27425-G2B — Impedance Track™ del lado del sistema con indicador de combustible para batería LiMn2O4 BQ27520-G4 — Indicador de combustible Impedance Track™ del lado del sistema con LDO integrado. BQ27530-G1 — Indicador de combustible (gas) del lado del sistema Impedance-Track con conexión directa a la baterí BQ27531-G1 — Indicador de combustible (gas) de la unidad de gestión de la batería Impedance Track™ para controlad BQ27532-G1 — Indicador de combustible de la unidad de gestión de la batería Impedance Track™ para cargador bq2425 BQ27545-G1 — Indicador de combustible, celda única, lado del paquete, Impedance Track™ BQ27546-G1 — Indicador de combustible del lado del paquete de una celda Impedance Track™ con paquete DSBGA BQ27621-G1 — Indicador de combustible del lado del sistema con correlación de tensión dinámica y indicador de gas BQ27741-G1 — Indicador de combustible (gas) del lado del paquete Impedance Track™(tm) con protector integrado BQ27742-G1 — Indicador de combustible de batería de iones de litio de una celda con protección integrada | indica BQ27Z561 — Solución para el medidor de gas de circuito integrado Impedance Track™ para serie 1 BQ28Z610 — Indicador de combustible de batería con protector integrado para paquetes de serie 1-2 BQ34110 — Medidor de combustible de batería de recuento, celda alta para multiquímica con módulo integrado par BQ34210-Q1 — Indicador de combustible CEDV del lado del sistema y una celda apto para automoción BQ34Z100-G1 — Medidor de combustible independiente para multiquímica Impedance Track™ | indicador de gas de baterí BQ35100 — Indicador de combustible de batería para baterías no recargables (litio primario) y monitor de fin d BQ4050 — Medidor de combustible (gas) de batería CEDV serie 1-4 BQ40Z50 — Administrador de baterías de iones de litio serie 1-4 | indicador de combustible de la batería (gas) BQ40Z50-R1 — Administrador de baterías de iones de litio serie 1-4 compatible con Turbo Mode 1.0 BQ40Z50-R2 — Administrador de baterías de iones de litio serie 1-4 compatible con Turbo Mode 2.0 BQ40Z60 — Gestor completo de baterías multi-celda | indicador de combustible de batería (gas) BQ40Z80 — Gestor de baterías de 2-s a 6-s con medición de gas Impedance Track™ BQ78350 — Controlador de gestión de batería de indicador de combustible CEDV complementario para la familia de BQ78350-R1 — Medidor de gas de iones de litio CEDV y controlador de gestión de la batería BQ78Z100 — Medidor de combustible de batería (gas) Impedance Track™ para serie 1 a 2
Opciones de descarga
Software de aplicación y estructura

BQSTUDIO-TEST — Battery Management Studio (bqStudio) Software – Beta version downloads

Battery Management Studio (bqStudio) offers a full suite of robust tools to assist with the process of evaluating, designing with, configuring, testing, or otherwise utilizing TI Battery management products. This includes features that provide full access to registers and data memory including (...)

lock = Requiere aprobación de exportación (1 minuto)
Productos y hardware compatibles

Productos y hardware compatibles

Productos
Battery monitors & balancers
BQ769142 — 3-s to 14-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4 battery BQ76942 — 3-series to 10-series multicell battery monitor and protector BQ76952 — 3-s to 16-s high-accuracy battery monitor and protector for Li-ion, Li-polymer and LiFePO4
Battery charger ICs
BQ24800 — SMBus 1-4 cell Buck battery charge controller to support hybrid power boost and battery boost mode BQ25720 — SMBus 1- to 4-cell NVDC buck-boost battery charge controller with power path and USB-C® PD OTG BQ25723 — I²C 1-4 cell NVDC buck-boost battery charge controller with power path and USB-C® PD OTG BQ25731 — I2C 1-5 cell NVDC buck-boost battery charge controller with USB type-C PD support BQ25756 — Regulador de carga bidireccional reductor-elevador de 70 V independiente o controlado por I²C con MP BQ25790 — Integrated, NVDC, 5-A 1-cell to 4-cell switch-mode buck-boost battery charger BQ25792 — I2C controlled, 5-A, 1-4 cell buck-boost charger with dual-input selector and USB PD 3.0 OTG output
Battery fuel gauges
BQ27220 — Single cell pack/system-side CEDV battery fuel (gas) gauge w/pre-programmed chemistry profiles BQ27320 — Single cell pack/System-side CEDV battery fuel (gas) gauge BQ27425-G1 — System-side Impedance Track™; fuel gauge with direct battery connection | gas gauge battery BQ27425-G2A — System-side Impedance Track™; fuel gauge for LiCoO2 battery BQ27425-G2B — System-side Impedance Track™; fuel gauge LiMn2O4 battery BQ27427 — Indicador de combustible de batería de celda única con química preprogramada y resistencia de sensor BQ27510-G3 — System-side Impedance-Track fuel gauge that provides 32 bytes of user-programmable data Flash memory BQ27520-G4 — System side Impedance Track™ fuel gauge with integrated LDO. BQ27530-G1 — System-side Impedance-Track fuel (gas) gauge with direct battery connection BQ27531-G1 — Battery management unit Impedance Track™ fuel (gas) gauge for bq2419x charger controller BQ27532-G1 — Battery management unit Impedance Track™ fuel gauge for bq2425x charger BQ27541-G1 — Pack-side Impedance Track™ battery fuel gauge with integrated LDO BQ27541-V200 — Single cell Li-ion battery fuel gauge for battery pack Integration; FW upgrade to BQ27541 BQ27542-G1 — Single cell Impedance Track™ pack side fuel gauge with SON package BQ27545-G1 — Single cell, pack side, Impedance Track™ fuel gauge BQ27546-G1 — Single cell Impedance Track™ pack side fuel gauge with DSBGA package BQ27621-G1 — System-side fuel gauge with Dynamic Voltage Correlation, battery gas gauge BQ27741-G1 — Pack-side Impedance Track™(tm) fuel (gas) gauge with integrated protector BQ27742-G1 — Single cell Li-ion battery fuel gauge with integrated protection | battery gas gauge BQ27Z561 — Impedance Track™ integrated circuit gas gauge solution for 1-series BQ27Z746 — Indicador de combustible del lado del paquete de una celda con tecnología Impedance Track™ y protect BQ28Z610 — Battery fuel gauge with integrated protector for 1-2 series packs BQ34110 — Multi-chemistry high-cell Count battery fuel gauge with integrated rarely discharged module BQ34210-Q1 — Automotive Qualified Single cell system-side CEDV fuel gauge BQ34Z100-G1 — Multi-chemistry Impedance Track™ standalone fuel gauge | battery gas gauge BQ35100 — Battery fuel gauge for non-rechargeable batteries (lithium primary) and end-of-service monitor BQ4050 — 1-4 series CEDV battery fuel (gas) gauge BQ40Z50 — 1-4 series Li-ion battery pack manager | battery fuel (gas) gauge BQ40Z50-R1 — 1-4 series Li-ion battery pack manager supporting Turbo Mode 1.0 BQ40Z50-R2 — 1-4 series Li-ion battery pack manager supporting Turbo Mode 2.0 BQ40Z60 — Complete multi-cell battery manager | battery fuel (gas) gauge BQ40Z80 — 2-s to 6-s battery pack manager with Impedance Track™ gas gauging BQ78350 — Companion CEDV Fuel Gauge Battery Management Controller for bq76940 Monitor Family BQ78350-R1 — CEDV li-ion gas gauge and battery management controller BQ78Z100 — Impedance Track™ battery fuel (gas) gauge for 1-series to 2-series
Desarrollo de hardware
MKST-3P-ALT-EV2300 — Alternativa de MKS Technology para el transceptor de comunicaciones EV2300
Opciones de descarga
Paquete Pasadores Descargar
WQFN (RUY) 28 Ver opciones
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  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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