DS2740U+ by Analog Devices
High-Precision Coulomb Counter
| Status: | Active |
|---|---|
| Series: | DS2740 |
| RoHS: | Unknown |
Features
| 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) |
| 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) |
| 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 |
| 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) |
| Unique 64-Bit Device Address |
| Standard and Overdrive Timings (OVD) |
| Low Power Consumption: Active Current: 65µA max Sleep Current: 1µA max |
| Active Current: 65µA max |
| Sleep Current: 1µA max |
Specifications
| Functions | Fuel Gauge |
|---|---|
| Battery Type | 1 Cell Li-Ion3-Cell NiMH |
| Interface | 1-Wire |
| Parameters Measured | Current |
| End Equipment | Pack |
| VSUPPLY (V) (min) | 2.7 |
| VSUPPLY (V) (max) | 5.5 |
| Package/Pins | UMAX/8 |
| Oper. Temp. (°C) | -40 to +85 |
| BudgetaryPrice (See Notes) | 2.19 |
DS2740U+ Semiconductors - ICs by Analog Devices
COULOMB COUNTER 15BIT UMAX-8
| Status: | Unknown |
|---|---|
| Series: | - |
| RoHS: | Unknown |
Specifications
| Battery Type | - |
|---|---|
| IC Interface Type | Serial |
| No. of Batteries | 1 |
| Supply Voltage Min | 2.7V |
| Supply Voltage Max | 5.5V |
| Battery IC Case Style | µMAX |
| No. of Pins | 8Pins |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | To Be Advised |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (15-Jan-2018) |
Alternative Descriptions
| High-Precision Coulomb Counter | Analog Devices |
| COULOMB COUNTER, 15BIT, UMAX-8 | element14 |
| Coulomb Counter, 15Bit, Umax-8 | Newark Electronics |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a DS2740U+ ?
Additional datasheets, footprints and schematics for DS2740U+ are listed on our Part Details page. You can also find images and similar parts to DS2740U+ on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for DS2740U+ on our Product Comparison page. Access via the 'View Pricing & Stock' button to view DS2740U+ price breaks, MOQs, lead times, inventory and SKUs from distributors.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the DS2740U+ you can contact the distributor directly for product support, shipping queries etc.
Is the DS2740U+ RoHS compliant?
This part has not been flagged as RoHS Compliant.
Which authorised distributors for DS2740U+ have stock available?
Authorised distributors including Analog Devices, element14, Farnell, RS and Newark Electronics have stock available or on a lead time for DS2740U+ .
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for DS2740U+ often in real-time on the comparison pages.
What if I can't find stock of DS2740U+ ?
You can fill out our help required form which you can use to request a quote for DS2740U+ from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.