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BQ21061

AKTIV

Linearer Lader mit einer 500-mA-Zelle und 10-nA-Transportmodus, Stromversorgungspfad, geregelter

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BQ21061

AKTIV
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Produktdetails

Vin (min) (V) 3.15 Vin (max) (V) 5.5 Absolute max Vin (max) (V) 20 Charge current (max) (A) 0.5 Control topology Linear Number of series cells 1 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Rating Catalog Features BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Input OVP, Integrated LDO, Power Path, VINDPM (Input voltage threshold to maximize adaptor power) Battery charge voltage (min) (V) 3.6 Battery charge voltage (max) (V) 4.6 Control interface I2C Operating temperature range (°C) -40 to 85
Vin (min) (V) 3.15 Vin (max) (V) 5.5 Absolute max Vin (max) (V) 20 Charge current (max) (A) 0.5 Control topology Linear Number of series cells 1 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 Rating Catalog Features BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, Input OVP, Integrated LDO, Power Path, VINDPM (Input voltage threshold to maximize adaptor power) Battery charge voltage (min) (V) 3.6 Battery charge voltage (max) (V) 4.6 Control interface I2C Operating temperature range (°C) -40 to 85
DSBGA (YFP) 20 3.96 mm² 1.8 x 2.2
  • Linear battery charger with 1.25-mA to 500-mA fast charge current range
    • 0.5% Accurate I 2C programmable battery regulation voltage ranging from 3.6 V to 4.6 V in 10-mV steps
    • Configurable termination current supporting down to 0.5 mA
    • 20-V Tolerant input with typical 3.4-V to 5.5-V input voltage operating range
    • Programmable thermal charging profile, fully configurable hot, warm, cool and cold thresholds
  • Power Path management for powering system and charging battery
    • I 2C Programmable regulated system voltage (PMID) ranging from 4.4V to 4.9V in addition to battery voltage tracking and Input pass-though options
    • Dynamic power path management optimizes charging from weak adapters
    • Advanced I 2C control allows host to disconnect the battery or adapter as needed
  • I 2C Configurable load switch or up to 150-mA LDO output
    • Programmable range from 0.6 V to 3.7 V in 100-mV steps
  • Ultra low Iddq for extended battery life
    • 10-nA Ship mode battery Iq
    • 400-nA Iq While powering the system (PMID and VDD on)
  • One push-button wake-up and reset input with adjustable timers
    • Supports system power cycle and HW reset
  • Safety-Related Certifications
    • TUV IEC 62368 Certification
  • 20-Pin 2-mm x 1.6-mm CSP package
  • 11-mm 2 Total solution size
  • Linear battery charger with 1.25-mA to 500-mA fast charge current range
    • 0.5% Accurate I 2C programmable battery regulation voltage ranging from 3.6 V to 4.6 V in 10-mV steps
    • Configurable termination current supporting down to 0.5 mA
    • 20-V Tolerant input with typical 3.4-V to 5.5-V input voltage operating range
    • Programmable thermal charging profile, fully configurable hot, warm, cool and cold thresholds
  • Power Path management for powering system and charging battery
    • I 2C Programmable regulated system voltage (PMID) ranging from 4.4V to 4.9V in addition to battery voltage tracking and Input pass-though options
    • Dynamic power path management optimizes charging from weak adapters
    • Advanced I 2C control allows host to disconnect the battery or adapter as needed
  • I 2C Configurable load switch or up to 150-mA LDO output
    • Programmable range from 0.6 V to 3.7 V in 100-mV steps
  • Ultra low Iddq for extended battery life
    • 10-nA Ship mode battery Iq
    • 400-nA Iq While powering the system (PMID and VDD on)
  • One push-button wake-up and reset input with adjustable timers
    • Supports system power cycle and HW reset
  • Safety-Related Certifications
    • TUV IEC 62368 Certification
  • 20-Pin 2-mm x 1.6-mm CSP package
  • 11-mm 2 Total solution size

The BQ21061 is a highly integrated battery charge management IC that integrates the most common functions for wearable, portable and small medical devices, namely a charger, a regulated output voltage rail for system power, a LDO, and push-button controller.

The BQ21061 IC integrates a linear charger with Power Path that enables quick and accurate charging for small batteries while providing a regulated voltage to the system. The regulated system voltage (PMID) output may be configured through I 2C based on the recommended operating condition of downstream IC’s and system loads for optimal system operation.

The BQ21061 is a highly integrated battery charge management IC that integrates the most common functions for wearable, portable and small medical devices, namely a charger, a regulated output voltage rail for system power, a LDO, and push-button controller.

The BQ21061 IC integrates a linear charger with Power Path that enables quick and accurate charging for small batteries while providing a regulated voltage to the system. The regulated system voltage (PMID) output may be configured through I 2C based on the recommended operating condition of downstream IC’s and system loads for optimal system operation.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet BQ21061 I2C Controlled 1-Cell 500-mA Linear Battery Charger With 10-nA Ship Mode, Power Path With Regulated System (PMID) Voltage, And LDO datasheet (Rev. A) PDF | HTML 01 Aug 2023
Technical article 3 quiescent-current (Iq) specifications you need to understand PDF | HTML 12 Nov 2021
Application note State of Charge Estimation Using Smart Battery Charger PDF | HTML 11 Okt 2021
Technical article Benefits of rechargeable batteries in real-time location system trackers PDF | HTML 10 Aug 2020
Technical article Accelerate your electric mask design PDF | HTML 01 Jul 2020
Application note BQ21061 Two Layer Small Form Factor Design For Cost Optimized PCB 18 Dez 2019
EVM User's guide BQ21061EVM Evaluation Module User's Guide 17 Okt 2019
Application note Battery Discharge Implementation in Warm or Hot Temperatures 02 Jul 2019
Technical article Pull the tab: How to implement ship mode in your lithium-ion battery design PDF | HTML 20 Feb 2019

Design und Entwicklung

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Evaluierungsplatine

BQ21061EVM — Evaluierungsmodul für PowerPath-Linearakkulader mit I2C geregelten 1 Zellen und 500 mA mit LDO

The BQ21061 evaluation module (EVM) is an integrated I2C controlled 1-cell 500-mA PowerPath linear battery charger with LDO and low IQ to maximize battery life. The device supports charge currents from 1.25 mA to 500 mA. The input current limit, charge current, LDO,  regulated output and other (...)

Benutzerhandbuch: PDF
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Support-Software

SLUC683 — BQ21061 Setup Guide Tool

Unterstützte Produkte und Hardware

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Produkte
Batterielader-ICs
BQ21061 — Linearer Lader mit einer 500-mA-Zelle und 10-nA-Transportmodus, Stromversorgungspfad, geregelter
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
DSBGA (YFP) 20 Ultra Librarian
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