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DS2762AE-025 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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DS2762AE-025 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 25 page 1 of 25 REV: 111703 Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata. GENERAL DESCRIPTION The DS2762 high-precision Li+ battery monitor is a data-acquisition, information-storage, and safety- protection device tailored for cost-sensitive battery pack applications. This low-power device integrates precise temperature, voltage, and current measurement, nonvolatile (NV) data storage, and Li+ protection into the small footprint of either a TSSOP package or flip-chip package. The DS2762 is a key component in applications including remaining capacity estimation, safety monitoring, and battery- specific data storage. PIN CONFIGURATIONS FEATURES § Li+ Safety Circuit Overvoltage Protection Overcurrent/Short-Circuit Protection Undervoltage Protection § Host Alerted When Accumulated Current or Temperature Exceeds User-Selectable Limits § 0V Battery Recovery Charge § Available in Two Configurations: Internal 25m W Sense Resistor External User-Selectable Sense Resistor § Current Measurement 12-Bit Bidirectional Measurement Internal Sense Resistor Configuration: 0.625mA LSB and ±1.9A Dynamic Range External Sense Resistor Configuration: 15.625 mV LSB and ±64mV Dynamic Range § Current Accumulation: Internal Sense Resistor: 0.25mAhr LSB External Sense Resistor: 6.25 mVhr LSB § Voltage Measurement with 4.88mV Resolution § Temperature Measurement Using Integrated Sensor with 0.125°C Resolution § System Power Management and Control Feature Support § 32 Bytes of Lockable EEPROM § 16 Bytes of General-Purpose SRAM § Dallas 1-Wire ® Interface with Unique 64-Bit Device Address § Low-Power Consumption: Active Current: 60 mA typ, 90mA max Sleep Current: 1 mA typ, 2mA max APPLICATIONS PDAs Cell Phones/Smartphones Digital Cameras ORDERING INFORMATION PART TEMP RANGE PIN-PACKAGE DS2762BE -20°C to +70°C 16 TSSOP Selector Guide appears at end of data sheet, for additional options. DS2762 High-Precision Li+ Battery Monitor With Alerts www.maxim-ic.com TOP VIEW CC VIN VDD PIO VSS VSS VSS PS IS1 TSSOP IS2 SNS SNS 1 2 23 2 1 4 5 6 7 8 16 15 14 13 12 11 10 9 SNS DQ PLS DC 1-Wire is registered trademark of Dallas Semiconductor. FLIP CHIP (top view – bumps on bottom) PLS DC DQ CC IS2 VIN IS1 VDD PIO PS SNS VSS 1 2 3 4 A B C D E F SNS PROBE VSS PROBE |
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