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DS2740BU+T&R;

Description
IC CURRENT GAUGE(15BIT) 8UMAX
Categorysemiconductor    Power management   
File Size215KB,16 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

DS2740BU+T&R; Overview

IC CURRENT GAUGE(15BIT) 8UMAX

DS2740BU+T&R; Parametric

Parameter NameAttribute value
FunctionGalvanometer (13 bits)
Sensing method-
Accuracy-
Voltage - input2.7 V ~ 5.5 V
Current - Output-
Operating temperature-40°C ~ 85°C
Installation typesurface mount
Package/casing8-TSSOP, 8-MSOP (0.118", 3.00mm wide)
Supplier device packaging8-uMAX
DS2740
High-Precision Coulomb Counter
www.maxim-ic.com
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 (R
SNS
)
156μA LSB and ±5.12A Dynamic
Range with External 10mΩ Sense
Resistor (R
SNS
)
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 (R
SNS
)
625μA LSB and ±5.12A Dynamic
Range with External 10mΩ Sense
Resistor (R
SNS
)
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
R
SNS
0.6250mAhr with External 10mΩ
R
SNS
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
1-Wire is a registered trademark of Dallas Semiconductor.
PIN CONFIGURATION
OVD
PIO
SNS
IS2
1
2
3
4
8
7
6
5
V
DD
DQ
V
SS
IS1
μMAX
(DS2740U, DS2740BU)
See Table 1 for Ordering Information.
See Table 2 for Detailed Pin Descriptions.
PIN DESCRIPTION
OVD - 1-Wire Bus Speed Select
PIO - Programmable I/O Pin
SNS - Sense Resistor Input
IS2 - Current-Sense Input
IS1 - Current-Sense Input
V
SS
- Device Ground, Current-Sense Resistor
Return
DQ - Data Input/Output
V
DD
- Power-Supply Input (2.7V to 5.5V)
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DS2740BU+T&R; Related Products

DS2740BU+T&R; DS2740BU+ DS2740U+ DS2740BU+T&R DS2740U+T&R;
Description IC CURRENT GAUGE(15BIT) 8UMAX battery management high-precision coulomb counter battery management high-precision coulomb counter battery management high-precision coulomb counter IC CURRENT GAUGE(15BIT) 8UMAX
Is it lead-free? - Lead free Lead free Lead free -
Is it Rohs certified? - conform to conform to conform to -
Maker - Maxim Maxim Maxim -
Parts packaging code - SOIC SOIC SOIC -
package instruction - TSSOP, TSSOP8,.19 TSSOP, TSSOP8,.19 TSSOP, TSSOP8,.19 -
Contacts - 8 8 8 -
Reach Compliance Code - compli compli compli -
ECCN code - EAR99 EAR99 EAR99 -
Factory Lead Time - 6 weeks 9 weeks 6 weeks -
Adjustable threshold - NO NO NO -
Analog Integrated Circuits - Other Types - POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT -
JESD-30 code - S-PDSO-G8 S-PDSO-G8 S-PDSO-G8 -
JESD-609 code - e3 e3 e3 -
length - 3 mm 3 mm 3 mm -
Humidity sensitivity level - 1 1 1 -
Number of channels - 1 1 1 -
Number of functions - 1 1 1 -
Number of terminals - 8 8 8 -
Maximum operating temperature - 85 °C 85 °C 85 °C -
Minimum operating temperature - -40 °C -40 °C -40 °C -
Package body material - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY -
encapsulated code - TSSOP TSSOP TSSOP -
Encapsulate equivalent code - TSSOP8,.19 TSSOP8,.19 TSSOP8,.19 -
Package shape - SQUARE SQUARE SQUARE -
Package form - SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH -
Peak Reflow Temperature (Celsius) - 260 260 260 -
power supply - 3/5 V 3/5 V 3/5 V -
Certification status - Not Qualified Not Qualified Not Qualified -
Maximum seat height - 1.1 mm 1.1 mm 1.1 mm -
Maximum supply current (Isup) - 0.085 mA 0.085 mA 0.085 mA -
Maximum supply voltage (Vsup) - 5.5 V 5.5 V 5.5 V -
Minimum supply voltage (Vsup) - 2.7 V 2.7 V 2.7 V -
Nominal supply voltage (Vsup) - 3.5 V 3.5 V 3.5 V -
surface mount - YES YES YES -
Temperature level - INDUSTRIAL INDUSTRIAL INDUSTRIAL -
Terminal surface - Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) -
Terminal form - GULL WING GULL WING GULL WING -
Terminal pitch - 0.65 mm 0.65 mm 0.65 mm -
Terminal location - DUAL DUAL DUAL -
Maximum time at peak reflow temperature - 30 30 30 -
width - 3 mm 3 mm 3 mm -
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