BQ29419PWR

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Not For New Designs
Moisture Sensitivity Level (MSL):	--
Function:	Battery Protection
Battery Chemistry:	Lithium-Ion
Number of Cells:	2 ~ 4
Fault Protection:	Over Voltage
Interface:	--
Operating Temperature:	-40°C ~ 110°C (TA)
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	8-TSSOP
Base Part Number:	BQ29419

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction to PMIC - Battery Management

Power Management Integrated Circuits (PMICs) are designed to help manage and control power in a device. PMICs are used in a variety of applications and market segments, including mobile and home appliances, medical, automotive, industrial, aerospace, and even military operations. Generally, PMICs are designed to optimize system performance while ensuring stability, while providing a reliable, easy-to-implement solution.Among different types of PMICs, Battery Management PMICs play a critical role in managing battery current and voltage. Battery Management PMICs can analyze the battery charge and discharge cycles, detect safety issues, control charging process, and reduce power consumption. They provide essential safety protection including regulating the voltage and current to ensure safe and reliable battery operation.PMICs, in general, provide the building blocks for any complete power management system. Battery Management PMICs specifically ensure that the battery is maintained in a safe condition and that system performance is optimized.

BQ29419PWR Application Field and Working Principle

The BQ29419PWR is a Battery Management PMIC designed to protect and manage Lithium-ion and Lithium Iron Phosphate (LiFePO4) battery packs. It is used in a variety of applications, including medical, automotive, energy storage, and portable electronic devices. The BQ29419PWR offers an advanced system design that provides a complete solution for managing a battery pack.BQ29419PWR features an integrated linear charger and fuel gauge, as well as support for stackable battery cells. It also offers an integrated buck-boost controller, high-side and low-side FETs, and a watchdog timer for safety and reliability.The BQ29419PWR supports multiple charging protocols, including safety protocols such as overcharge, over-temperature, overcurrent, and short-circuit protection. It also offers a host of current and voltage monitoring, voltage output selection, and power management features. The wide input voltage range allows for the use of legacy and new technologies, such as USB-PD, USB Type-C, and wireless charging.The BQ29419PWR\'s charging section is optimized for high performance, with a fast-charge current that can exceed 4A. It also offers accurate current control over a precise range of currents and protection against overcurrent and short-circuit events. The BQ29419PWR provides advanced system design and feature flexibility to facilitate integration into user-defined applications. It supports various battery types, multiple charging protocols, and features an adjustable power-on delay time, charge complete time, and other safety features. The fuel gauge feature offers support for multiple types of stacks, such as a cascaded stack and a stack with different charge timing and termination levels. This ensures the accurate monitoring and long-term reliability of the battery pack.Overall, the BQ29419PWR provides an ideal solution for managing and protecting lithium-based and LiFePO4 battery packs in a variety of applications. It offers a complete system design and protection with its integrated charger, fuel gauge, and safety protection features. The BQ29419PWR is a powerful Battery Management PMIC that provides reliable power and protection for a variety of applications.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description