BQ24157SYFFT

$2.98

Description：IC BATT CHG LI-ION 1CELL 20DSBGA
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT),Bulk

SKU:36f6165d6318 Category: Battery Chargers Brand: Texas Instruments

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Product introduction

BQ24157SYFFT is listed in the Battery Chargers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC BATT CHG LI-ION 1CELL 20DSBGA. Review the specifications below when checking this part for your BOM.

Battery Chargers specifications for BQ24157SYFFT

Description：IC BATT CHG LI-ION 1CELL 20DSBGA
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT),Bulk
Battery Chemistry：Lithium Ion/Polymer
Voltage - Supply (Max)：6V
Operating Temperature：-30°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：20-UFBGA, DSBGA
Supplier Device Package：20-DSBGA
Number of Cells：1
Current - Charging：Constant - Programmable
Programmable Features：Current
Fault Protection：Over Temperature, Over Voltage
Charge Current - Max：1.25A
Battery Pack Voltage：4.44V (Max)
Interface：I2C
Grade：-
Qualification：-

Battery Chargers datasheet and documents for BQ24157SYFFT

BQ24157SYFFT

Battery Chargers Overview

The BQ24157SYFFT is a fully integrated switch-mode charger designed for single-cell lithium-ion and lithium-polymer batteries. It operates with an input voltage range of 4 V to 9 V and delivers up to 1.5 A output current. The device regulates the battery voltage to 4.2 V and functions within a temperature range of -40°C to +85°C. It utilizes a DSBGA-20 package for surface mount installation.

Battery Chargers Feature Summary

Integrates synchronous PWM controller, power MOSFETs, and input current sensing in a compact footprint
Supports USB compliance and USB-OTG functionality for portable applications
Features programmable charge parameters via I2C interface with high accuracy regulation
Includes dynamic power management and safety timers for robust protection

Battery Chargers Applications

Single-cell Li-Ion and Li-Polymer battery charging in portable devices
USB-powered consumer electronics requiring OTG support
Mobile phones and smartphones
Portable media players and handheld gadgets

Battery Chargers Procurement Notes

Verify component authenticity through authorized Texas Instruments distributors or certified suppliers. Confirm the specific suffix matches the required package and tape/reel specifications. Check for obsolescence status as availability may be limited. Ensure environmental compliance documentation aligns with project requirements before finalizing procurement orders.

Battery Chargers Selection Notes

Select this component for designs requiring a highly integrated solution for single-cell battery management. The I2C interface allows flexible configuration of charging profiles. Consider the DSBGA-20 package size constraints during PCB layout. Verify that the host system supports the necessary communication protocols for parameter programming.

Battery Chargers Part Context

This part belongs to the BQ2415xA family of fully integrated switch-mode chargers from Texas Instruments. These devices are engineered for high efficiency and small board space in portable applications. The family shares common features like USB compliance and integrated power switches, differing primarily in specific electrical ratings and package options.