Maxim Integrated DS2740U+, Battery Fuel Gauge IC, 2.7 → 5.5 V 8-Pin, μMax

Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

15-Bit Bidirectional Current Measurement (DS2740U)
1.56μV LSB and ±51.2mV Dynamic Range
78μA LSB and ±2.56A Dynamic Range with External 20mΩ Sense Resistor (RSNS)
156μA LSB and ±5.12A Dynamic Range with External 10mΩ Sense Resistor (RSNS)
13-Bit Bidirectional Current Measurement (DS2740BU)
6.25μV LSB and ±51.2mV Dynamic Range
312μA LSB and ±2.56A Dynamic Range with External 20mΩ Sense Resistor (RSNS)
625μA LSB and ±5.12A Dynamic Range with External 10mΩ Sense Resistor (RSNS)
Analog Input Filter (IS1, IS2) Extends Dynamic Range for Pulse-Load Applications
Current Accumulation Register Resolution
6.25μVhr (Both DS2740U and DS2740BU)
0.3125mAhr with External 20mΩ RSNS
0.6250mAhr with External 10mΩ RSNS
Dallas 1-Wire Interface
Unique 64-Bit Device Address
Standard and Overdrive Timings (OVD)
Low Power Consumption:
Active Current: 65μA max
Sleep Current: 1μA max
Applications
Cell Phones
Digital Still Cameras
Portable Entertainment Devices
Smart Battery Packs/Chargers

Specifications
Attribute Value
Mounting Type Surface Mount
Package Type μMax
Pin Count 8
Length 3.1mm
Typical Operating Supply Voltage 2.7 → 5.5 V
Dimensions 3.1 x 3.1 x 0.95mm
Width 3.1mm
Height 0.95mm
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
748 In stock for delivery within 1 working days
Price Each (In a Pack of 2)
kr 32,67
(exc. VAT)
kr 40,84
(inc. VAT)
Units
Per unit
Per Pack*
2 - 8
kr 32,67
kr 65,34
10 +
kr 25,875
kr 51,75
*price indicative
Packaging Options:
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