BQ25185DLHR

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BQ25185DLHR

1-CELL, 1-A STAND-ALONE LINEAR B

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Spécifications

Part Status Active
Battery Chemistry Multi-Chemistry
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Current, Timer, Voltage
Fault Protection Over Current, Over Temperature, Over-Under Voltage, Short Circuit
Charge Current - Max 1A
Battery Pack Voltage 3.6V, 3.65V, 4.02V, 4.1V, 4.2V, 4.35V, 4.4V
Voltage - Supply (Max) 18V
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 10-WFDFN Exposed Pad
Supplier Device Package 10-WSON (2.2x2)

Vue d'ensemble

Description

The BQ25185DLHR is a highly integrated battery management system designed for lithium-ion and lithium-polymer batteries. It is primarily used in portable devices such as wearables, IoT applications, and smartphones. Key features of the BQ25185 include a highly efficient battery charger, an integrated power path management system, and support for both USB and wall adapter charging.
This IC supports a wide input voltage range and offers programmable charging currents, allowing for flexible design customization. It includes features like low quiescent current, thermal regulation, and various safety protections, such as over-voltage and over-temperature protection, ensuring reliable operation. The device also supports I2C communication, enabling easy interaction with microcontrollers for monitoring and control.
With its compact size and versatility, the BQ25185DLHR is suitable for applications requiring efficient power management and charging solutions, making it an attractive choice for engineers and developers in the battery-powered device market.

Features

The BQ25185DLHR is a highly integrated battery charger from Texas Instruments designed for single-cell lithium-ion and lithium polymer batteries. Key features include:
1. Input Voltage Range: Supports a wide input voltage range (4.5V to 12V).
2. Charge Current Control: Programmable charge current up to 1.5A, adjustable via an external resistor.
3. Battery Voltage Regulation: Integrated voltage regulation for accurate charging, with a default setting of 4.2V.
4. Thermal Regulation: Includes thermal management to prevent overheating during charging.
5. Battery Protection: Features overvoltage, undervoltage, and overcurrent protection.
6. USB Compatibility: Supports USB and adapter charging, with automatic detection.
7. I2C Interface: Allows for configuration and monitoring through an I2C interface.
8. Status Indicators: LED indicators for charge status (charging, complete, fault).
9. Low Power Mode: Designed for low power consumption in idle states.
These features make the BQ25185DLHR suitable for portable applications requiring efficient battery management and charging.

Package

The BQ25185DLHR is packaged in a 16-pin HTQFN (Heat Sink Thin Quad Flat No-lead) package, which facilitates efficient thermal performance and space-saving designs for battery management applications.

Pinout

The BQ25185DLHR is a battery management IC from Texas Instruments, designed for Li-Ion and Li-Polymer battery charging applications. It features a 16-pin VQFN package.
Pin Count: 16
Key Functions:
1. Battery Charging: Supports various charging modes, including linear and switch-mode.
2. Input Voltage Regulation: Manages input voltage to ensure safe battery charging.
3. Battery Protection: Includes features for overvoltage, undervoltage, and overcurrent protection.
4. Thermal Regulation: Monitors temperature to prevent overheating during charging.
5. Status Indication: Provides status outputs that indicate charging conditions.
6. I2C Interface: Allows configuration and monitoring through a digital interface.
7. Power Path Management: Supports simultaneous battery charging and load operation.
8. Programmable Charge Current: Enables customization of charging profiles based on application needs.
This combination of features makes the BQ25185DLHR suitable for portable devices requiring efficient battery management.

Manufacturer

The BQ25185DLHR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of semiconductor products, including analog and embedded processing devices. The company is renowned for its innovations in various industries, including automotive, industrial, communications, and consumer electronics. TI offers solutions such as power management, signal processing, and microcontrollers, making it a key player in the electronics sector. Founded in 1930, Texas Instruments is headquartered in Dallas, Texas, and is recognized for its contributions to the development of integrated circuits and analog technology.

Application

The BQ25185DLHR is a highly integrated battery charger and power management IC designed for applications such as wearables, IoT devices, and portable electronics. It supports lithium-ion and lithium-polymer battery charging, enabling efficient power management, battery protection, and low quiescent current operation. Its compact size and features make it suitable for space-constrained applications where efficient charging and power delivery are critical.

Equivalent

Equivalent products for the BQ25185DLHR chip include the BQ25185, BQ25183, and BQ25182. These alternatives may have similar functionalities for battery management and charging applications, though specifications may vary. Always consult the datasheets for detailed comparisons.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

Payment Methods

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1. PayPal

2. Carte de crédit/débit

3. Transfert bancaire