BQ24070RHLR

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BQ24070RHLR

IC BATT CHG LI-ION 1CELL 20VQFN

  • Manufacturer
  • Mfr. Part #BQ24070RHLR
  • Package VQFN20
  • Datasheet
  • In Stock4742

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
BatteryChemistry Lithium Ion/Polymer
NumberofCells 1
Current-Charging Constant - Programmable
ProgrammableFeatures Current, Timer
FaultProtection Over Temperature, Reverse Current, Short Circuit
ChargeCurrent-Max 1.5A
BatteryPackVoltage 4.2V
Voltage-Supply(Max) 16V
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 20-VFQFN Exposed Pad

Overview

Description

The BQ24070RHLR is a highly integrated, single-cell Li-Ion and Li-Polymer battery charger from Texas Instruments. It is designed for portable applications with requirements for precise charge control, minimal external components, and high efficiency. The device operates from either a USB port or an AC adapter, supporting an input voltage range of 4.35V to 6.4V. It features dynamic power path management (DPPM) which allows the system to be powered directly from the input source while charging the battery. This ensures that power is efficiently distributed between the system and the battery based on demand.
The BQ24070RHLR provides a regulated output for charging with selectable current settings, thermal regulation, and safety timers. It includes features like charge status indication, power-good signal, and battery detection, enhancing system flexibility and safety. The device’s compact QFN package facilitates integration into space-constrained designs. Overall, the BQ24070RHLR is well-suited for portable electronic devices where efficient, reliable battery charging and management are crucial.

Features

The BQ24070RHLR is a highly efficient linear battery charger IC designed for single-cell Li-Ion and Li-Polymer batteries. Key features include:
1. Input Voltage Range: It supports a wide input voltage range from 4.35V to 6.5V.

2. Single-Cell Charging: Optimized for single-cell applications with a charge current of up to 1.5A.
3. Power Path Management: Allows simultaneous battery charging and system load management, ensuring uninterrupted power to the load.
4. Dynamic Power Management (DPM): Dynamically adjusts charge current based on input source capacity to prevent overloading.
5. Status Indication: Features LED indicators for charge status and fault conditions.
6. Thermal Regulation: Includes thermal regulation to manage heat dissipation during high power operations.
7. Safety Features: Integrated over-voltage, over-current, short-circuit, and thermal protection mechanisms.
8. Small Package: Comes in a compact 20-pin QFN package, making it suitable for space-constrained applications.
9. USB Compatibility: Compliant with USB power specifications, making it suitable for charging via USB ports.
These features make the BQ24070RHLR ideal for portable devices, smartphones, and similar applications requiring efficient battery management.

Package

The BQ24070RHLR is packaged in a 20-pin VQFN (Very Thin Quad Flat No-Lead) package, specifically the RHL package type, which typically measures 3.5 mm x 3.5 mm.

Pinout

The BQ24070RHLR is a single-cell Li-Ion and Li-Polymer battery charger integrated circuit from Texas Instruments. It comes in a 20-pin, 3.50 mm x 4.50 mm (VQFN) package. This IC is designed for portable applications with both USB and adapter inputs, providing dynamic power-path management.
Key functions of the BQ24070 include:
1. Charger Management: Efficiently manages the charging process, supporting up to 1.5A charging current.
2. Dynamic Power-Path Management: Simultaneously powers the system and charges the battery while preventing over-discharge.
3. Temperature Regulation: Ensures safe operation by adjusting the charge rate according to the battery temperature.
4. Input Source Detection: Detects and configures charging from USB or AC adapter inputs.
5. Safety Features: Includes over-voltage, under-voltage, over-current, and short-circuit protections.
This IC is suitable for applications requiring intelligent power management and high integration, such as smartphones, portable media players, and other battery-powered devices.

Manufacturer

The BQ24070RHLR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. The company is a leader in the electronics industry, providing technologies that are essential for advanced electronics across a variety of applications including industrial, automotive, personal electronics, and communications. TI is known for its innovation in semiconductors and is a major supplier to electronics manufacturers worldwide.

Application

The BQ24070RHLR is a highly integrated lithium-ion and lithium-polymer linear battery charger. It is commonly used in applications such as portable electronics, wearable devices, medical instruments, and handheld equipment. It offers features like power path management, USB compatibility, and thermal regulation, making it ideal for devices requiring efficient power management and reliable battery charging in compact and space-constrained designs.

Equivalent

The BQ24070RHLR is a single-cell Li-Ion battery charger IC from Texas Instruments. Equivalent products could include:
1. MCP73831 from Microchip Technology
2. MAX1811 from Maxim Integrated
3. LT4054 from Analog Devices (formerly Linear Technology)
4. TP4056 from NanJing Top Power ASIC Corp.
These alternatives vary in features and specifications, so it's essential to verify compatibility with your specific requirements.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

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3. Wire Transfer