HomedatasheetBQ2057WSNTR

BQ2057WSNTR Datasheet

Battery Management
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Description

The BENCHMARQ BQ2057WSNTR series advanced Lithium-Ion (Li-Ion) and Lithium-Polymer (Li-Pol) linear charge-management ICs are designed for costsensitive and compact portable electronics. They combine high-accuracy current and voltage regulation,battery conditioning, temperature monitoring, charge termination, charge-status indication, and AutoComp charge-rate compensation in a single 8-pin IC. MSOP,TSSOP, and SOIC package options are offered to fit a wide range of end applications. BQ2057WSNTR Features • Ideal for Single (4.1 V or 4.2 V) and Dual-Cell (8.2 V or 8.4 V) Li-Ion or Li-Pol Packs• Requires Small Number of External Components• 0.3 V Dropout Voltage for Minimizing Heat Dissipation• Better Than ±1% Voltage Regulation Accuracy With Preset Voltages• AutoComp Dynamic Compensation of Battery Pack’s Internal Impedance to Reduce Charge Time• Optional Cell-Temperature Monitoring Before and During Charge• Integrated Voltage and Current Regulation With Programmable Charge-Current and Highor Low-Side Current Sensing• Integrated Cell Conditioning for Reviving Deeply Discharged Cells and Minimizing Heat Dissipation During Initial Stage Of Charge• Charge Status Output for Single or Dual Led or Host Processor Interface• Automatic Battery-Recharge Feature• Charge Termination by Minimum Current• Automatic Low-Power Sleep Mode When VCC Is Removed• EVMs Available for Quick Evaluation• Packaging: 8-Pin SOIC, 8-Pin TSSOP, 8-Pin MSOP
Features

Parameters

[{"Name":"Battery Type","Value":"Li-Ion, Li-Poly "},{"Name":"Output Voltage ","Value":"8.4 V"},{"Name":"Output Current","Value":"40 mA "},{"Name":"Operating Supply Voltage","Value":"4.5 V to 15 V "},{"Name":"Maximum Operating Temperature","Value":"+ 70 C "},{"Name":"Minimum Operating Temperature","Value":"- 20 C "},{"Name":"Package / Case","Value":"SOIC-8 "},{"Name":"Packaging","Value":"Reel "}]

Manufacturer information

DIODES INCORPORATED

Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.


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