Product Summary

The BQ24123RHLR is highly integrated Li-ion and Li-polymer switch-mode charge management IC targeted at a wide range of portable applications. The BQ24123RHLR offers integrated synchronous PWM controller and power FETs, high-accuracy current and voltage regulation, charge preconditioning, charge status, and charge termination, in a small, thermally enhanced QFN package. The applications of the BQ24123RHLR include Handheld Products, Portable Media Players, Industrial and Medical Equipment, Portable Equipment, Portable DVD Players.

Parametrics

BQ24123RHLR absolute maximum ratings: (1)Supply voltage range (with respect to VSS): 20 V; (2)Input voltage range (with respect to VSS and PGND): STAT1, STAT2, PG, CE, CELLS, SNS, BAT: –0.3 V to 20 V, OUT –0.7 V to 20 V, TS, TTC: 7 V, VTSB: 3.6 V, ISET1, ISET2: 3.3 V; (3)Voltage difference between SNS and BAT inputs (VSNS - VBAT): ±1 V; (4)Output sink: STAT1, STAT2, PG: 10 mA; (5)Output current (average): 2.2 A; (6)Operating free-air temperature range: –40℃ to 85℃; (7)Junction temperature range: –40℃ to 125℃; (8)Storage temperature: –65℃ to 150℃; (9)Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: 300℃.

Features

BQ24123RHLR features: (1)Enhanced EMI Performance; (2)Integrated Power FETs For Up To 2-A Charge Rate; (3)Ideal For Highly Efficient Charger Designs For Single-Cell or Two-Cell Li-Ion and Li-Polymer Battery Packs; (4)Synchronous Fixed-Frequency PWM Controller Operating at 1.1 MHz With 0% to 100% Duty Cycle; (5)High-Accuracy Voltage and Current Regulation; (6)20-V Absolute Maximum Voltage Rating on IN and OUT Pins; (7)Accurate High-Side Battery Current Sensing.

Diagrams

BQ24123RHLRRHL package

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
BQ24123RHLR
BQ24123RHLR

Texas Instruments

Battery Management synch Sw-Mode 2-cell Li-Ion Charger

Data Sheet

0-2225: $1.62
2225-3000: $1.56
BQ24123RHLRG4
BQ24123RHLRG4

Texas Instruments

Battery Management synch Sw-Mode 2-cell Li-Ion Charger

Data Sheet

0-2355: $1.53
2355-3000: $1.51