(Hong Kong)
Product Summary
The BQ24120RHLR is a highly integrated Li-ion and Li-polymer switch-mode charge management IC targeted at a wide range of portable applications. The BQ24120RHLR 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 BQ24120RHLR include Handheld Products, Portable Media Players, Industrial and Medical Equipment, Portable Equipment, Portable DVD Players.
Parametrics
BQ24120RHLR 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
BQ24120RHLR 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
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 BQ24120RHLR |
Texas Instruments |
Battery Management synch Sw-Mode 1-cell Li-Ion Charger |
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BQ24120RHLRG4 |
Texas Instruments |
Battery Management synch Sw-Mode 1-cell Li-Ion Charger |
Data Sheet |
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