Startseite Batteriemanagement-ICs Batterielader-ICs
Startseite
Batteriemanagement-ICs
Batterielader-ICs

BQ25185

AKTIV

Eigenständiges lineares 1-Zellen-Ladegerät (1 A) mit Stromversorgungspfad und Unterstützung für den

Jetzt bestellen
Datenblatt

BQ25185

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Number of series cells 1 Charge current (max) (A) 1 Vin (max) (V) 25 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Battery charge voltage (min) (V) 3.6 Battery charge voltage (max) (V) 4.65 Absolute max Vin (max) (V) 25 Control topology Linear Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, IINDPM (Input current limit), Input OVP, Power Path, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3 Rating Catalog Operating temperature range (°C) -40 to 125
Number of series cells 1 Charge current (max) (A) 1 Vin (max) (V) 25 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Battery charge voltage (min) (V) 3.6 Battery charge voltage (max) (V) 4.65 Absolute max Vin (max) (V) 25 Control topology Linear Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, IINDPM (Input current limit), Input OVP, Power Path, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 3 Rating Catalog Operating temperature range (°C) -40 to 125
WSON (DLH) 10 4.4 mm² 2.2 x 2
  • 1-A linear battery charger
    • 3.0-V to 18-V input voltage operating range
    • 25-V tolerant input voltage
    • External resistor programmable operation:
      • ILIM/VSET sets battery regulation voltage to 3.6V, 3.65 V, 4.02 V, 4.1V, 4.2 V, 4.35 V, or 4.4 V
      • ILIM/VSET sets input current limit to 100 mA, 500 mA, or 1100 mA
      • ISET to set charge current from 5 mA to 1 A
    • Li-ion, Li-Poly, and LiFePO4 chemistries support
    • 115-mΩ battery FET ON resistance
    • Up to 3.125-A discharge current to support high system loads
  • Power path management for powering the system and charging the battery
    • Regulated system voltage (SYS) at 4.5 V
    • Configurable input current limit
    • USB Suspend mode supported
    • Battery Tracking input voltage dynamic power management (VINDPM) for high impedance input sources
    • Dynamic power path management optimizes charging from weak adapters
  • Ultra low quiescent current
    • 4-µA in Battery Only mode
    • 30-µA Input adapter Iq in sleep mode
    • 3.2-µA Battery discharge current in Factory Mode
  • Integrated fault protection
    • Input overvoltage protection (VIN_OVP)
    • Battery undervoltage protection (BUVLO)
    • Battery short protection (BATSC)
    • Battery overcurrent protection (BATOCP)
    • Input current limit protection (ILIM)
    • Thermal regulation (TREG) and thermal shutdown (TSHUT)
    • Battery thermal fault protection (TS)
    • Safety timer fault
    • ISET and ILIM/VSET pin short/open protection.
  • 1-A linear battery charger
    • 3.0-V to 18-V input voltage operating range
    • 25-V tolerant input voltage
    • External resistor programmable operation:
      • ILIM/VSET sets battery regulation voltage to 3.6V, 3.65 V, 4.02 V, 4.1V, 4.2 V, 4.35 V, or 4.4 V
      • ILIM/VSET sets input current limit to 100 mA, 500 mA, or 1100 mA
      • ISET to set charge current from 5 mA to 1 A
    • Li-ion, Li-Poly, and LiFePO4 chemistries support
    • 115-mΩ battery FET ON resistance
    • Up to 3.125-A discharge current to support high system loads
  • Power path management for powering the system and charging the battery
    • Regulated system voltage (SYS) at 4.5 V
    • Configurable input current limit
    • USB Suspend mode supported
    • Battery Tracking input voltage dynamic power management (VINDPM) for high impedance input sources
    • Dynamic power path management optimizes charging from weak adapters
  • Ultra low quiescent current
    • 4-µA in Battery Only mode
    • 30-µA Input adapter Iq in sleep mode
    • 3.2-µA Battery discharge current in Factory Mode
  • Integrated fault protection
    • Input overvoltage protection (VIN_OVP)
    • Battery undervoltage protection (BUVLO)
    • Battery short protection (BATSC)
    • Battery overcurrent protection (BATOCP)
    • Input current limit protection (ILIM)
    • Thermal regulation (TREG) and thermal shutdown (TSHUT)
    • Battery thermal fault protection (TS)
    • Safety timer fault
    • ISET and ILIM/VSET pin short/open protection.

The BQ25185 is a linear battery charger IC focusing on small solution size and low quiescent current for extending battery life. The device is available in a leadless, small package with a thermal pad giving thermal performance. The device can support up to 1-A charging and system loads of up to 3.125 A.

The battery is charged using a standard Li-ion or LiFePO4 charge profile with three phases: precharge, constant current and constant voltage. Thermal regulation provides the maximum charge current while managing the device temperature. The charger is also optimized for battery to battery charging with 3-V minimum input voltage operation and can withstand 25-V absolute maximum line transients. The device integrates a single push-button input to reduce the total solution footprint.

The BQ25185 is a linear battery charger IC focusing on small solution size and low quiescent current for extending battery life. The device is available in a leadless, small package with a thermal pad giving thermal performance. The device can support up to 1-A charging and system loads of up to 3.125 A.

The battery is charged using a standard Li-ion or LiFePO4 charge profile with three phases: precharge, constant current and constant voltage. Thermal regulation provides the maximum charge current while managing the device temperature. The charger is also optimized for battery to battery charging with 3-V minimum input voltage operation and can withstand 25-V absolute maximum line transients. The device integrates a single push-button input to reduce the total solution footprint.
filter Andere Batterielader-ICs suchen
Herunterladen Video mit Transkript ansehen Video

Ähnliche Produkte, die für Sie interessant sein könnten

open-in-new Alternativen vergleichen
Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung
BQ25180 AKTIV Programmierbares lineares Ladegerät, 1 A, Li-Ion und LiFePO4 I²C, mit geregeltem Strompfad, WCS BQ25180 comes in a CSP package and is I2C configurable.

Technische Dokumentation

star =Von TI ausgewählte Top-Empfehlungen für dieses Produkt
Keine Ergebnisse gefunden. Bitte geben Sie einen anderen Begriff ein und versuchen Sie es erneut.
Alle anzeigen 3
Typ Titel Datum
* Data sheet BQ25185 1-Cell, 1-A Standalone Linear Battery Charger with Power Path, Factory Mode, and Battery Tracking VINDPM datasheet PDF | HTML 23 Okt 2023
Certificate BQ25185EVM EU Declaration of Conformity (DoC) 26 Okt 2023
EVM User's guide BQ25185 EVM User's Guide PDF | HTML 20 Okt 2023

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

BQ25185EVM — BQ25185 evaluation module for 1-cell, 1-A stand-alone linear battery charger

The BQ25185 evaluation model (EVM) is designed to evaluate and test various operating modes of the BQ25185. The EVM is designed for a complete test friendly evaluation with visual indicators. The BQ25185 is an integrated battery charge management IC that integrates most common functions for solar (...)

Benutzerhandbuch: PDF | HTML
Nicht verfügbar auf TI.com
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
WSON (DLH) 10 Ultra Librarian
Es gelten die allgemeinen Geschäftsbedingungen von TI für Evaluierungsartikel.

Bestellen & Qualität

Beinhaltete Information:
  • RoHS
  • REACH
  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
Beinhaltete Information:
  • Werksstandort
  • Montagestandort

Empfohlene Produkte können Parameter, Evaluierungsmodule oder Referenzdesigns zu diesem TI-Produkt beinhalten.

Support und Schulungen

TI E2E™-Foren mit technischem Support von TI-Ingenieuren

Alle Forenthemen auf Englisch anzeigen

Inhalte werden ohne Gewähr von TI und der Community bereitgestellt. Sie stellen keine Spezifikationen von TI dar. Siehe Nutzungsbedingungen.

Bei Fragen zu den Themen Qualität, Gehäuse oder Bestellung von TI-Produkten siehe TI-Support. ​​​​​​​​​​​​​​

Videos