DC1496A-A Linear Technology, DC1496A-A Datasheet
DC1496A-A
Specifications of DC1496A-A
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DC1496A-A Summary of contents
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... The LTC2941 requires only a single low value external sense resistor to set the current range. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and ThinSOT and Bat-Track are trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. ...
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LTC2941 absoluTe maximum raTings (Notes Supply Voltage (SENSE ) ............................. –0. SCL, SDA, AL/CC ......................................... –0. – SENSE .................................. –0. Operating Ambient Temperature Range LTC2941C ................................................ 0°C to 70°C LTC2941I.............................................. –40°C ...
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T SYMBOL PARAMETER V Alert V Alert Threshold BAT BAT Digital Inputs and Digital Outputs V Logic Input Threshold, AL/CC, SCL, ITH SDA V Low Level Output Voltage, AL/CC, SDA I = ...
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LTC2941 Timing Diagram SDA t SU, DAT SCL t HD, STA START CONDITION Typical perFormance characTerisTics Total Charge Error vs Differential Sense Voltage –1 – 2.7V SENSE + V = 4.2V SENSE + –3 ...
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FuncTions + SENSE (Pin 1): Positive Current Sense Input and Power Supply. Connect to the load/charger side of the sense resistor. V operating range is 2.7V to 5.5V. SENSE + GND (Pin 2): Device Ground. Connect directly to the ...
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LTC2941 operaTion Overview The LTC2941 is a battery gas gauge device designed for use with single Li-Ion cells and other battery types with a terminal voltage between 2.7V and 5.5V. A precision coulomb counter integrates current through a sense resistor ...
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I C/SMBus Interface The LTC2941 communicates with a bus master using a 2 2-wire interface compatible with I C and SMBus. The 7-bit 2 hard-coded I C address of LTC2941 is 1100100. The LTC2941 is a slave-only ...
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LTC2941 applicaTions inFormaTion Bit A[5] is set if the LTC2941’s accumulated charge over- flows or underflows the combined total in registers C and D. Note that the counting process does not roll over, but simply stops at FFFFh or 0000h ...
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The value of the external sense resistor is determined by the maximum input range of V SENSE current of the application ≤ R SENSE I MAX The choice of the external sense resistor value influences the ...
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LTC2941 applicaTions inFormaTion be chosen for a given battery capacity Q resistor R as: SENSE Q R BAT SENSE M≥128 • • 16 50mΩ 2 • 0.085mAh M can be set …128 by programming B[5:3] ...
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SDA SCL ADDRESS START CONDITION START and STOP Conditions When the bus is idle, both SCL and SDA must be HIGH. A bus master signals the beginning of a transmission with ...
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LTC2941 applicaTions inFormaTion Alert Response Protocol In a system where several slaves share a common inter- rupt line, the master can use the alert response address (ARA) to determine which device initiated the interrupt (Figure 9). Figure 6. Writing F001h ...
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SDA pin to see if another device is sending an address at the same time 2 using standard I C bus arbitration. If the LTC2941 is send- ing a 1 ...
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LTC2941 package DescripTion 1.65 0.05 3.55 0.05 (2 SIDES) 2.15 0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS PIN 1 BAR TOP MARK (SEE NOTE 6) 0.200 REF DCB Package 6-Lead Plastic DFN (2mm × 3mm) (Reference LTC DWG # ...
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... Revised Exposed Pad description in the Pin Configuration and Pin Functions sections. Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... Operation, 1.5A Max Charge Current, 180mΩ Ideal Diode with <50mΩ Option, 3.3V/25mA Always-On LDO, 4mm × 3mm DFN-14 Package www.linear.com ● LOAD 0.1µ SENSE R SENSE 100m 6 – SENSE + 1-CELL Li-Ion 2 2941 TA02 ≤ 24V, 500kHz Frequency IN LT 0810 REV A • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 2010 2941fa ...