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BQ25692-Q1

VORSCHAU

Eigenständiger oder I2C-gesteuerter bidirektionaler iFET-Abwärts-/Aufwärts-Batterielader für die

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BQ25692-Q1

VORSCHAU
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Produktdetails

Rating Automotive Number of series cells 1, 2, 3, 4, 5, 6, 7 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4, SuperCap Charge current (max) (A) 3 Features AEC-Q100 Automotive Qual, BAT temp thermistor monitoring (JEITA profile), BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, IINDPM (Input current limit), Input OVP, USB C/PD compatible, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 2.9 Vin (max) (V) 45 Absolute max Vin (max) (V) 45 Control topology Switch-Mode Buck-boost Battery charge voltage (min) (V) 0 Battery charge voltage (max) (V) 33 Control interface I2C, Standalone (RC-Settable) Operating temperature range (°C) -40 to 125
Rating Automotive Number of series cells 1, 2, 3, 4, 5, 6, 7 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4, SuperCap Charge current (max) (A) 3 Features AEC-Q100 Automotive Qual, BAT temp thermistor monitoring (JEITA profile), BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, IINDPM (Input current limit), Input OVP, USB C/PD compatible, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) Vin (min) (V) 2.9 Vin (max) (V) 45 Absolute max Vin (max) (V) 45 Control topology Switch-Mode Buck-boost Battery charge voltage (min) (V) 0 Battery charge voltage (max) (V) 33 Control interface I2C, Standalone (RC-Settable) Operating temperature range (°C) -40 to 125
WQFN-HR (RBA) 26 14 mm² 3.5 x 4
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C ≤ TA ≤ 125°C
  • High integration buck-boost forward (sink) mode charger for 1- to 7-cell Li-Ion batteries supporting USB PD profile with integrated switching MOSFETs and loop compensation
  • Highly efficient
    • Programmable switching frequency from 450kHz to 1.2MHz
    • Bypass mode for >98.5% efficiency USB-PD PPS direct battery charging at 20V, 3A
    • Selectable PFM with out-of-audio (OOA) operation for light load efficiency improvement
  • Supports a wide range of input sources with 2.5V to 36V operating range and 45V absolute maximum rating
    • Support VIN down to 2.5V with VBAT > 3.2V
    • USB-PD input
    • Input voltage dynamic power management (VINDPM) up to 36V to prevent input source overload
    • Optional input current dynamic power management (IINDPM) up-to 3.3A for maximum power limit
  • I2C controlled for optimal system performance with resistor-programmable option
    • Hardware selectable default cell count, charge voltage, input and charge current limits
    • 3A charging current with 20mA resolution
  • Reverse/OTG (source) mode powers input port from battery
    • 3.5V to 34V reverse output voltage with 20mV resolution to support USB-PD PPS
    • Up-to 3.3A reverse output current regulation with 20mA resolution to support USB-PD PPS
  • Low quiescent current
    • TBD µA for battery only operation
    • TBD µA for converter switching
  • High accuracy
    • TBD charge voltage regulation
    • TBD input/output current regulation
  • Safety
    • Input and battery OVP
    • Thermal regulation and thermal shutdown
    • Converter MOSFETs OCP
    • Charging safety timer
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C ≤ TA ≤ 125°C
  • High integration buck-boost forward (sink) mode charger for 1- to 7-cell Li-Ion batteries supporting USB PD profile with integrated switching MOSFETs and loop compensation
  • Highly efficient
    • Programmable switching frequency from 450kHz to 1.2MHz
    • Bypass mode for >98.5% efficiency USB-PD PPS direct battery charging at 20V, 3A
    • Selectable PFM with out-of-audio (OOA) operation for light load efficiency improvement
  • Supports a wide range of input sources with 2.5V to 36V operating range and 45V absolute maximum rating
    • Support VIN down to 2.5V with VBAT > 3.2V
    • USB-PD input
    • Input voltage dynamic power management (VINDPM) up to 36V to prevent input source overload
    • Optional input current dynamic power management (IINDPM) up-to 3.3A for maximum power limit
  • I2C controlled for optimal system performance with resistor-programmable option
    • Hardware selectable default cell count, charge voltage, input and charge current limits
    • 3A charging current with 20mA resolution
  • Reverse/OTG (source) mode powers input port from battery
    • 3.5V to 34V reverse output voltage with 20mV resolution to support USB-PD PPS
    • Up-to 3.3A reverse output current regulation with 20mA resolution to support USB-PD PPS
  • Low quiescent current
    • TBD µA for battery only operation
    • TBD µA for converter switching
  • High accuracy
    • TBD charge voltage regulation
    • TBD input/output current regulation
  • Safety
    • Input and battery OVP
    • Thermal regulation and thermal shutdown
    • Converter MOSFETs OCP
    • Charging safety timer

The BQ25692-Q1 is a fully integrated switch-mode buck-boost charger for 1- to 7cell Li-ion batteries, Li-polymer batteries. Wide input voltage range from 2.5V to 36V supports applications powered from battery, standard USB-PD adapters and high voltage dedicated DC adapters. The device integrates 4 switching MOSFETs and all the converter loop compensation for small solution size with simple design. The device also supports the full input (sink) and output (reverse or source mode) voltage ranges for USB Type-C and USB power delivery (USB-PD) applications.

The BQ25692-Q1 is a fully integrated switch-mode buck-boost charger for 1- to 7cell Li-ion batteries, Li-polymer batteries. Wide input voltage range from 2.5V to 36V supports applications powered from battery, standard USB-PD adapters and high voltage dedicated DC adapters. The device integrates 4 switching MOSFETs and all the converter loop compensation for small solution size with simple design. The device also supports the full input (sink) and output (reverse or source mode) voltage ranges for USB Type-C and USB power delivery (USB-PD) applications.
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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Datum
* Data sheet BQ25692-Q1: Standalone/I2 C Controlled, 1-7 Cell Li-Ion, 3A Buck-Boost Bidirectional Battery Charger with USB-PD 3.0 OTG Output datasheet PDF | HTML 16 Okt 2025
Certificate BQ25692-Q1EVM EU Declaration of Conformity (DoC) 09 Okt 2025

Design und Entwicklung

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Evaluierungsplatine

BQ25692-Q1EVM — BQ25692-Q1 – Evaluierungsmodul

Das Evaluierungsmodul BQ2569X/9X-Q1 (EVM) wird zur Evaluierung des integrierten Schaltkreises BQ2569X/9X-Q1 verwendet. Der BQ2569X/9X-Q1 ist ein integrierter Switchmode-Abwärts-/Aufwärts-Akkulademanagement-Baustein im HOTROD (QFN)-Gehäuse, der für Lithium-Ionen-Akkus mit Zellen der Serie 1 bis 7 (...)

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BQ2569X-DESIGN-CALC — BQ2569X design spreadsheet

Excel spreadsheet to help with BQ2569X battery charger designs
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